Tag Archives: china screws

China HB-310 Full automatic thread rolling machines for set screws ball screw shaft hardness

Application: CZPT Pipe
Condition: New, New
Production Capacity: 30-40pcs/min
Showroom Location: Viet Nam, India
Video outgoing-inspection: Provided
Machinery Test Report: Provided
Marketing Type: Ordinary Product
Warranty of core components: 1 Year
Core Components: Engine, Motor, Gear
Voltage: 380V
Power: 2.2kw
Dimension(L*W*H): 1000*1450*750mm
Weight: 360
Warranty: 1 Year
Key Selling Points: Competitive Price
Applicable Industries: Manufacturing Plant
Product name: hydraulic thread rolling machine
After-sales Service Provided: No after-sales service
Color: Thread rolling machine
Name: screw thread rolling machine
Certification: ISO9001
Mould Life: According to the degree of use
After Warranty Service: Online support
Design software: AutoCAD Pro
Drawing Format: Dwg .step
Packaging Details: Machine with protective film, then pack with wooden box & pallet.
Port: HangZhou

HB-310 Full automatic thread rolling machines for set screws HB-310 two-axles rolling machine is a special roller for machine meter screw, stop screw, headless screw design, and the diagonal roller is a little bit compared with the flat type:1. The oblique roller is affected by gravity, the feed material is faster and more stable, and the processing speed is faster.2. Higher precision of inclined rolling machine;3. The feeding part is higher and the operation is more convenient!

Packaging & Shipping

Our Services
Training and Installation
1.Professional Technical Team
2.Training your engineer in our company.
3.3 years warranty. If the machine have the quality problem , we would renewal the parts for you during the warranty period. if you have any question, you can contact with us any time, Power Transmission Part One Way Backstop Clutch Bearing BS220 for Belt Conveyor we will solve your problems within 24 hours .
Certification and after service1. Match the technology standard, ISO producing certification 2. CE certification 3. 3years warranty since the delivery board. Our advantage: 1. Short delivery period. 2. Effective communication 3. Interface customized.

Installation and training:
1:If buyers visit our factory and check the machine, we will teach you how to install and use the machine, and also train your workers/technician face to face.
2:.Without visiting, we will send you user manual and video to teach you to install and operate.
3:.If buyer needs our technician to go to your local factory, please arrange airline ticket and board and lodging and other necessary things

1. What is MOQ?—1 set.2. What is the lead time of goods?—Generally speaking, goods can be sent within 45 days according to our production arrangment.
3. What kinds of payment terms are acceptable to you?—We usually accept L/C at sight and T/T(50% in advance and 50% before shipment. )4. Are your a direct manufacturer?–Yes, we are professional manufacturer, factory was founded in 2004, has designing department, production department, sales department, as well as the shipping department

Company Information
HangZhou HongBo Precision Machineery Manufacturing Co., Ltd. is a production,
design and sales professionals industry manufacturers. There are
screw machines, thread work tools, Four Bolt Flanges cast iron housing pillow block bearing UCFC205-16 for support shafts and couplings. lighting tube metal machinery,
four tungsten steel mold products.
The first screw machine: two-axis rolling machine(solid shaft only), Three-axis rolling machine(hollow tube only). Hydraulic thread rolling machine, automatic rolling machine, inside and outside the pipe threading machines, tapping machines.
The second thread tools: 2 rolling dies, 3 wheel roller
cone, straight, textured, NPT, wire tapping die.
The third category lighting tube metal machine: automatic cut tube machine, manual pipe cutting machine, chamfering machines, heading machines,bending machine, shrink tube machine, OEM Agriculture Machinery Farm Tractor Spare Parts cone machine,flower tube machine, throwing ray machine, trombone machine.
Tungsten steel mold fourth categroy: trombone model, garland die, heading mold, shrink tube mold, cone mold, expansion tube mold, different shaped mold, pulled up the mold.
The company has HongBo brand machine tolls, imported brands TQSG, Xihu (West Lake) Dis., CZPT brands cone. ZheJiang Xihu (West Lake) Dis.iyang is also rolling Machine agent, ZheJiang cone, universal Joints.

screwshaft

Screw Shaft Types

If you’re looking for a screw shaft, but aren’t sure which type to buy, you’re in luck. In this article, we’ll talk about the different types, including Threaded shank, Round head, and Machined. Once you’ve read it, you’ll know which type to buy. Then, you can decide whether you want a ball screw nut or a threaded shank.

Machined screw shafts

Besides the standard stainless steel shaft, manufacturers also provide a variety of other materials, such as titanium, bronze, and brass. In addition to stainless steel, manufacturers also provide a variety of top-coating options, including zinc, brass, and chromium. Aluminum screws are not particularly durable and are easily affected by weather. Most screw shafts feature self-locking mechanisms. They are especially useful in C-clamps, vises, and screw-top container lids.
For applications where accuracy is vital, a ball screw shaft needs to be annealed. A heat treatment can be performed on the ball screw shaft to ensure that both ends are heated evenly. In this process, the shaft will be more durable, while maintaining its high-precision properties. These screw shafts are a key component in computer-controlled motion-control systems, wire bonding, and other industries that require high-precision and high-quality performance.
Depending on the material used, screw shafts can be made of stainless steel or titanium. High-precision CNC machines and lathes are typically used to manufacture screw shafts. Various shapes and sizes are available, each with a specific application. Whether you need a small or large screw, you can find one to fit your needs. And since each size requires a different material, your choice of material is important as well.
In general, the materials used for machining screw shafts are steel, stainless steel, titanium, brass, bronze, and aluminum. Metals that resist corrosion are also commonly used. Other materials for screw shafts are Teflon, nylon, and nylon. You can also find threaded screw shafts in materials such as porcelain, glass, and ceramic. If you want to use your screws in a unique material, consider purchasing a customized one.

Ball screw nuts

If you have a screw shaft, the last thing you want to worry about is the ball nut slipping off. To prevent this, you can place a temporary stop in the shaft’s grooves to ensure that the ball nut does not slide off. When you remove the stop, you can then install the ball screw nut. But, before you can install the ball screw nut, you have to make sure that you have a good grip on the shaft.
When selecting ball screw nuts, it’s important to consider how much preload you need to apply to avoid excessive backlash. Preloading eliminates this problem by making the ball nut compact. It also prevents backlash, which is lost motion caused by clearance between the ball and nut. Backlash disrupts repeatability and accuracy. This is where spacer preloading comes in. You can insert a spacer between the two ball nuts to transmit the force to the nut. However, you should keep in mind that this method reduces the load capacity of the ball screw.
The critical speed of a screw is the maximum rotating speed before it whips. This critical speed is influenced by several factors, including the diameter of the screw shaft, the number of support elements, and the material. By adjusting these factors, you can reduce the number of components used and the amount of time it takes to assemble the screw shaft. In addition, you can also reduce the number of components and avoid stacking tolerances. However, the critical speed of plastic nuts is limited due to sliding friction.
The ball screw nut has several characteristics that make it unique. Its most prominent feature is the presence of ball bearings. These balls help reduce friction between the screw nut and the shaft. Without ball bearings, the friction would be too high to function properly. Another important characteristic is the groove profile of the nut and ball. These two features ensure that the ball and the nut meet at two points. You’ll be amazed by the results of the work of these ball screw nuts.
screwshaft

Threaded shank

Wood screws are usually not fully threaded because the shank has an unthreaded portion at the top. This shoulder part forces the screw to compress two pieces of wood, which prevents the screw from overheating and compromising the materials strength. As the screw is threaded partially up, it is not as difficult to remove as a fully threaded screw. However, it is important to note that a wood screw will not hold as tightly as one with a fully threaded shank.
In addition to being universal, screw threads can be of different sizes. For example, a M8 screw has a thread pitch of 1.25 mm. To avoid confusion, screw thread pitches are commonly given with a multiplication sign. For example, M8x1 means that the screw is eight mm in diameter but has a thread pitch of one mm per 360-degree rotation. Those who are not familiar with these dimensions may find it confusing.
The OD of the threaded portion of a bolt is generally smaller than the OD of the nut. If the shank is too deep for the nut to fit, the threads may bottom out. This is why it’s important to use a thread-cutting bit with a small thread diameter. You can use a micrometer or caliper to measure the thread diameter. This tool will also allow you to easily identify which screw size fits where and how well.
The metric system is the most widely used. Fasteners with DIN numbers are generally metric in size. This makes them very useful for industrial settings. You can find metric-sized screws anywhere, as long as you buy them from a reputable manufacturer. These fasteners also come with a dog point, which is used for safety wire. If the screw needs to be replaced, the shank can be drilled with a hole for a safety wire or for a dog-point.

Round head

A round head screw is the most common type used for machine screws. Other common types include truss head, flat head, and hexed head. Each has a different profile and are used for different purposes. A round head screw is typically wider than a flat or a hexed head, and has a slightly rounded surface. These screws are useful for projects involving sheet metal or sheet-metal parts. Round heads are usually slightly wider than a hex head screw, and they may also be used as a substitute for washers in certain applications. However, truss heads are not necessary for every project.
A wood screw has a smooth shank that protrudes above the surface of the material it is attaching. A metal screw has a threaded shaft that is fully threaded from head to point, and a fully threaded shaft provides more bite. Two common head styles are round head and pan head. If the task requires the screw to be flush or countersunk, the round head will be the best choice.
Another type is the Reed & Prince screw drive. These are similar to Phillips screws but have a 75-degree V shape. They are commonly used in marine hardware and are also known as BNAE NFL22-070. This type is also used for steel plate hangers. In addition to round head and pan head screws, there are a variety of other screw types. You can even get a head with a slotted head if you know where to look.
Screw diameters are specified according to the ISO 261 or ISO 262 standards. An M8 screw has a diameter of 8.25 mm. The M8 screw has a pitch of 1.25 mm, which is equivalent to one mm per 360 degrees. There are several other standard screw sizes and thread diameters available. You can find them all by consulting the relevant standards. But remember, the metric system is the most popular.
screwshaft

Self-locking mechanism

A self-locking mechanism for a screw shaft is a device that secures the screw to its supporting member in a failure position. The locking mechanism provides a positive connection between the screw shaft and the control surface during normal operation, and locks the screw to its supporting member when the screw fails. Previous attempts to solve this problem have typically used secondary nuts with free play on the screw, which were intentionally designed to jam when loaded. However, such a device can be unreliable, which is why the present invention offers a more robust and reliable locking mechanism.
The self-locking function of a screw depends on several factors, including its pitch angle and the coefficient of friction of the threads. The angle of friction must be less than the tangent of the material pairing to prevent untightening of the screw. Screws with self-locking mechanisms have an efficiency e lower than 50%, which is less than half. Self-locking screws also have the benefit of being less efficient than a standard screw.
Unlike a normal screw, a self-locking screw can be turned in either direction. The nut 22 rotates with the screw shaft, and the member 23 is translated in an axial direction. Regardless of the direction of the rotation of the screw, this axial translation will result in the opposite moment to that input moment. While screw self-locking mechanisms are typically less expensive, they are more reliable and durable.
Another important feature of self-locking screws is that they are not susceptible to independent loosening. The screw cannot rotate without a certain amount of torque. In addition, a self-locking screw shaft must have a small wedge with a smaller half-angle than the arctangent of the static friction. This means that the torque applied by the driver must be greater than the torque needed to overcome the friction.

China HB-310 Full automatic thread rolling machines for set screws     ball screw shaft hardnessChina HB-310 Full automatic thread rolling machines for set screws     ball screw shaft hardness
editor by czh 2023-07-03

China Factory Price High Precision Ground CNC Linear Ball Screws Nut Set with Nut Holder and Support set screw shaft collar

Condition: New
Warranty: 6 Months
Applicable Industries: Manufacturing Plant, Machinery Repair Shops, Food & Beverage Factory, Retail, Construction works , Industrial Machinery, CNC Machinery, Electronic Industry
Weight (KG): 3
Showroom Location: None
Video outgoing-inspection: Provided
Machinery Test Report: Provided
Marketing Type: New Product 2571
Warranty of core components: 6 Months
Core Components: Ball screw shaft, Ball screw nut
Manufacturing Process: Milled Thread
Material: Steel
Length: 1 EBS Truck Brake Parts For DAF SCANIA CZPT DFI etcFeatures1.high reliability 2.smooth operation 3.high rigidity and preload 4.circulation method 5.high durabilityCirculation Type and Characteristic1.Internal circulation type:Delicated diameter of screw takes only little space; Applicable to those with smaller lead/the outside diameter of the screw2.External circulation type: Economy; Applicable to larger lead and diameter; Applicable for high loading purpose3.End-caps circulation type: Suitable for high speed positioningDelivery Time10-30 days, according to the size and quantity Specification SFU type ball nut ball screw dimensions: Ball screws’ model number and the meaning of each number: 1. Nominal Model S: single nut; D: double nut; O: off set double nut F: with flange; C: without flange U Nut Type: NI, NU, H, A, NH, Y, V, U, M, K type nut2. Threading Direction R: right: L: left3. Nominal Diameter: Unit mm4. Lead: Unit mm5. Number of Turns (Turn-Row) Turn: T:1; A: 1.5(or 1.7/1.8); B: 2.5/2.8; C: 3.5; D: 4.8; E: 5.8 ; ex:(2.5*2=B2)6. Flange Type N: not cutting S: single cutting D: double cutting7. Product Code G: ground F: rolled8. Accuracy Grade C0, C1, C2, C3, C5, C7, C109. Overall Length of Shaft: Unit mm10. Axial Clearance and Preload Value P0, P1, CZPT Angular contact ball bearings DE 1813 PX1 90x121x28mm Excavator Bearings P2, P3, P411. Number of Nut (Leave blank if not nut is required) EX:install 2 nuts on a shaft B212. Nut Surface Treatment S: standard; B1: black oxidation; N1: hard chrome plating; P: phosphating; N3: nickel plating; N4: raydent; N5: chrome plating13. Shaft Surface Treatment S: standard; B1: black oxidation; N1: hard chrome plating; P: phosphating; N3: nickel plating; N4: raydent; N5: chrome plating Details Images ZheJiang OuNaiDa ball screws’ detail pictures End processing type Application & Packaging ZheJiang OuNaiDa Packing:Carefully and professional package to prevent the goods from damage,and sent the goods to you intactly.1. Plastic film wrapped ——-2. Put it in a carton box ——3. Pack the carton firmly

Application of Ball ScrewsBall screws application
CNC machineryCNC machine center, CNC lathe,CNC milling machine, CNC EDM, CNC grinder, wire cutting machine, boring machine, etc
Precision machine toolsmilling machine, grinder, EDM, tool grinder, gear manufacturing machine, drilling machine, planer, High quality bearing 6007-RZ 6007-RZC3 6007-2Z 6007-2ZC3 6007-Z 6007-ZC3 63007-2RS1 63007-2RS1C3 etc.
Industrial machineryprinting machine, paper-processing machine , automation machine, textile machine, drawing machine, special purpose machine, injection molding machine,etc
Electronic machineryRobot measuring instrument, X-Y table, medical equipment, surface mounting deice, semi-conductor equipment, factory automation equipment, etc
Transport machinerymaterial handling equipment, elevated actuator, etc
Aerospace industryaircraft flaps, thrust open-close reverser, airport loading equipment, fin actuator, etc.
Miscellaneousantenna leg actuator, value operator, etc
Company Profile ZheJiang OuNaiDa Transmissions Machinery Trading Co. Ltd. is specialized in manufacturing various kinds of standard and non-standard power transmission components, such as sprocket, gear, roller chain, gear rack, linear guideway, ball screw, screw support and related products. Our company owns advanced production equipments,first class technology and professional engineers.We can also produce according to our customers’ drawings or requirements.Our Main Product: 1. Gear and Rack 2. Ball Screw and Nut 3. Linear Xihu (West Lake) Dis. and Block 4. Sprocket and Roller Chain 5. Timing Pulley and Timing BeltOur Service: 1. Competitive price 2. High quality products 3. OEM service 4. 24 hours online service 5. Professional technical service 6. Sample available Our Main Products Recommend Products

screwshaft

Screw Shaft Types

If you’re looking for a screw shaft, but aren’t sure which type to buy, you’re in luck. In this article, we’ll talk about the different types, including Threaded shank, Round head, and Machined. Once you’ve read it, you’ll know which type to buy. Then, you can decide whether you want a ball screw nut or a threaded shank.

Machined screw shafts

Besides the standard stainless steel shaft, manufacturers also provide a variety of other materials, such as titanium, bronze, and brass. In addition to stainless steel, manufacturers also provide a variety of top-coating options, including zinc, brass, and chromium. Aluminum screws are not particularly durable and are easily affected by weather. Most screw shafts feature self-locking mechanisms. They are especially useful in C-clamps, vises, and screw-top container lids.
For applications where accuracy is vital, a ball screw shaft needs to be annealed. A heat treatment can be performed on the ball screw shaft to ensure that both ends are heated evenly. In this process, the shaft will be more durable, while maintaining its high-precision properties. These screw shafts are a key component in computer-controlled motion-control systems, wire bonding, and other industries that require high-precision and high-quality performance.
Depending on the material used, screw shafts can be made of stainless steel or titanium. High-precision CNC machines and lathes are typically used to manufacture screw shafts. Various shapes and sizes are available, each with a specific application. Whether you need a small or large screw, you can find one to fit your needs. And since each size requires a different material, your choice of material is important as well.
In general, the materials used for machining screw shafts are steel, stainless steel, titanium, brass, bronze, and aluminum. Metals that resist corrosion are also commonly used. Other materials for screw shafts are Teflon, nylon, and nylon. You can also find threaded screw shafts in materials such as porcelain, glass, and ceramic. If you want to use your screws in a unique material, consider purchasing a customized one.

Ball screw nuts

If you have a screw shaft, the last thing you want to worry about is the ball nut slipping off. To prevent this, you can place a temporary stop in the shaft’s grooves to ensure that the ball nut does not slide off. When you remove the stop, you can then install the ball screw nut. But, before you can install the ball screw nut, you have to make sure that you have a good grip on the shaft.
When selecting ball screw nuts, it’s important to consider how much preload you need to apply to avoid excessive backlash. Preloading eliminates this problem by making the ball nut compact. It also prevents backlash, which is lost motion caused by clearance between the ball and nut. Backlash disrupts repeatability and accuracy. This is where spacer preloading comes in. You can insert a spacer between the two ball nuts to transmit the force to the nut. However, you should keep in mind that this method reduces the load capacity of the ball screw.
The critical speed of a screw is the maximum rotating speed before it whips. This critical speed is influenced by several factors, including the diameter of the screw shaft, the number of support elements, and the material. By adjusting these factors, you can reduce the number of components used and the amount of time it takes to assemble the screw shaft. In addition, you can also reduce the number of components and avoid stacking tolerances. However, the critical speed of plastic nuts is limited due to sliding friction.
The ball screw nut has several characteristics that make it unique. Its most prominent feature is the presence of ball bearings. These balls help reduce friction between the screw nut and the shaft. Without ball bearings, the friction would be too high to function properly. Another important characteristic is the groove profile of the nut and ball. These two features ensure that the ball and the nut meet at two points. You’ll be amazed by the results of the work of these ball screw nuts.
screwshaft

Threaded shank

Wood screws are usually not fully threaded because the shank has an unthreaded portion at the top. This shoulder part forces the screw to compress two pieces of wood, which prevents the screw from overheating and compromising the materials strength. As the screw is threaded partially up, it is not as difficult to remove as a fully threaded screw. However, it is important to note that a wood screw will not hold as tightly as one with a fully threaded shank.
In addition to being universal, screw threads can be of different sizes. For example, a M8 screw has a thread pitch of 1.25 mm. To avoid confusion, screw thread pitches are commonly given with a multiplication sign. For example, M8x1 means that the screw is eight mm in diameter but has a thread pitch of one mm per 360-degree rotation. Those who are not familiar with these dimensions may find it confusing.
The OD of the threaded portion of a bolt is generally smaller than the OD of the nut. If the shank is too deep for the nut to fit, the threads may bottom out. This is why it’s important to use a thread-cutting bit with a small thread diameter. You can use a micrometer or caliper to measure the thread diameter. This tool will also allow you to easily identify which screw size fits where and how well.
The metric system is the most widely used. Fasteners with DIN numbers are generally metric in size. This makes them very useful for industrial settings. You can find metric-sized screws anywhere, as long as you buy them from a reputable manufacturer. These fasteners also come with a dog point, which is used for safety wire. If the screw needs to be replaced, the shank can be drilled with a hole for a safety wire or for a dog-point.

Round head

A round head screw is the most common type used for machine screws. Other common types include truss head, flat head, and hexed head. Each has a different profile and are used for different purposes. A round head screw is typically wider than a flat or a hexed head, and has a slightly rounded surface. These screws are useful for projects involving sheet metal or sheet-metal parts. Round heads are usually slightly wider than a hex head screw, and they may also be used as a substitute for washers in certain applications. However, truss heads are not necessary for every project.
A wood screw has a smooth shank that protrudes above the surface of the material it is attaching. A metal screw has a threaded shaft that is fully threaded from head to point, and a fully threaded shaft provides more bite. Two common head styles are round head and pan head. If the task requires the screw to be flush or countersunk, the round head will be the best choice.
Another type is the Reed & Prince screw drive. These are similar to Phillips screws but have a 75-degree V shape. They are commonly used in marine hardware and are also known as BNAE NFL22-070. This type is also used for steel plate hangers. In addition to round head and pan head screws, there are a variety of other screw types. You can even get a head with a slotted head if you know where to look.
Screw diameters are specified according to the ISO 261 or ISO 262 standards. An M8 screw has a diameter of 8.25 mm. The M8 screw has a pitch of 1.25 mm, which is equivalent to one mm per 360 degrees. There are several other standard screw sizes and thread diameters available. You can find them all by consulting the relevant standards. But remember, the metric system is the most popular.
screwshaft

Self-locking mechanism

A self-locking mechanism for a screw shaft is a device that secures the screw to its supporting member in a failure position. The locking mechanism provides a positive connection between the screw shaft and the control surface during normal operation, and locks the screw to its supporting member when the screw fails. Previous attempts to solve this problem have typically used secondary nuts with free play on the screw, which were intentionally designed to jam when loaded. However, such a device can be unreliable, which is why the present invention offers a more robust and reliable locking mechanism.
The self-locking function of a screw depends on several factors, including its pitch angle and the coefficient of friction of the threads. The angle of friction must be less than the tangent of the material pairing to prevent untightening of the screw. Screws with self-locking mechanisms have an efficiency e lower than 50%, which is less than half. Self-locking screws also have the benefit of being less efficient than a standard screw.
Unlike a normal screw, a self-locking screw can be turned in either direction. The nut 22 rotates with the screw shaft, and the member 23 is translated in an axial direction. Regardless of the direction of the rotation of the screw, this axial translation will result in the opposite moment to that input moment. While screw self-locking mechanisms are typically less expensive, they are more reliable and durable.
Another important feature of self-locking screws is that they are not susceptible to independent loosening. The screw cannot rotate without a certain amount of torque. In addition, a self-locking screw shaft must have a small wedge with a smaller half-angle than the arctangent of the static friction. This means that the torque applied by the driver must be greater than the torque needed to overcome the friction.

China Factory Price High Precision Ground CNC Linear Ball Screws Nut Set with Nut Holder and Support     set screw shaft collarChina Factory Price High Precision Ground CNC Linear Ball Screws Nut Set with Nut Holder and Support     set screw shaft collar
editor by czh 2023-07-03

China Custom Stainless Steel 304 300 12X12mm Flexible Coupling Shaft with Screws Mechanical Parts screw conveyor shaft design

Product Description

 

Product Description

Product name   Flexible Coupling Shaft 
Material carbon steel(cold rolled steel sheet,galvanized steel sheet),stainless steel,copper,brass,aluminum,etc
Surface treatment All kinds of surface treatment is anodizing, zinc plating, black oxide, chrome plating, powder coating, ect
Size According to customer’s design or samples
Color Customized Color

 

Product Parameters

Certifications

Packaging & Shipping

Company Profile

 

Our company was founded in 2000, specialized in customize springs, axles, screws, plastic/metal stamping parts, CNC machining parts and auto lathe parts. Our main production modes are designing and proofing based on drawings, concepts and samples provided by customers. We provide samples for customers for review, verification and confirmation and then put into production as follows:

 

Our company has 5,000 square meters of production workshops and more than 120 employees divided into 4 workshops – spring / stamping / screw / axle:

1) Spring Department: with 20 sets of 502 computer omnipotent machines, 12 sets of computerized compression spring machines and supporting heat treatment / projector / pull pressure test machines. Daily output: 300,000 pieces of profiled springs and 800,000 pieces of compression springs.
2) Stamping Department: with 25 sets of 10T-45T punches, 3 sets of wire cutting machines and a full set of hardware stamping mold equipment. Providing a full set of services, including proofing, molding, design and stamping. Daily output: 1,200,000 pieces of various types of metal stamping parts.
3) Screw Department: with 45 sets of 0# – 2.5# heading / roll machines. Daily output: 3,000,000 pieces of M1.2 ~ M8 3.5MM ~ 120MM plastic and alloy screws, tacks and rivets.
4) Axle Department: with 21 sets of semi-automatic / automatic toy axle machines. Daily output: 2,000,000 pieces of #1.0 ~ #8.0 various axes / rubbing spent axes.

Quality Control Product Technology
we stress the concept of “quality is the life of our enterprise”, using the first 3 pieces product inspection and the whole production inspection ways for strict quality control. Following the requests of RoHS and Heavy Element, we send products to the third party notarization institute for internationally recognized inspection, with complete inspection report. Our factory has our own salt spray machines and can test all kinds of metal surface treatment of anti-rust effect, in order to ensure the quality of our products. our factory has a group of professional engineering and technical personnel in the processes of design and production, providing professional advice, converting the concepts from guests into controlled products and helping customers to solve professional problems and reduce the production costs. Each department has a number of professional chefs, with the most advanced equipment in the industry, improving our efficiency, quality and stability to produce high quality and inexpensive products.

Processes Credibility
In the processes of following up samples / production, we have a number of sales personnel who will make all-out efforts and make quality / delivery / price / needs as per your requirements to meet your expectations as far as possible. In the terms of credibility, we guarantee the quality of our products, adhere to business ethics and keep commercial secrets.

 

FAQ

1. who are we?
We are based in ZheJiang , China, start from 2018,sell to North America(30.00%),Domestic Market(30.00%),Western Europe(10.00%),Northern Europe(9.00%),Oceania(5.00%),Southern Europe(5.00%),South America(4.00%),Southeast Asia(3.00%),Eastern Europe(00.00%),Africa(00.00%),Mid East(00.00%),Central America(00.00%). There are total about 51-100 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
Hardware Products (Stamping Part,Auto Lathe & CNC Turning Parts,CNC Milling Parts,Spring,Shaft,Fastener)

4. why should you buy from us not from other suppliers?
Our company was established in 2000, with over 18 years manufacture experience. We customize high precision metal fittings. Our specialities are: Metal/Plastic Stamping Parts CNC Machining Parts CNC Lathe Parts Springs ,nuts ,screw,bolts etc fasteners

5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,DDP,DDU,Express Delivery;
Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY;
Accepted Payment Type: T/T,L/C,D/P D/A,MoneyGram,Credit Card,PayPal,Western Union,Cash,Escrow;
Language Spoken:English,Chinese,Spanish,Japanese

 

After-sales Service: Custom
Warranty: Custom
Condition: New
Certification: ISO9001
Standard: DIN
Customized: Customized

###

Samples:
US$ 30/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Product name   Flexible Coupling Shaft  Custom Stainless Steel 304 300 12X12mm Flexible Coupling Shaft with Screws Mechanical Parts
Material carbon steel(cold rolled steel sheet,galvanized steel sheet),stainless steel,copper,brass,aluminum,etc
Surface treatment All kinds of surface treatment is anodizing, zinc plating, black oxide, chrome plating, powder coating, ect
Size According to customer’s design or samples
Color Customized Color

###

Our company was founded in 2000, specialized in customize springs, axles, screws, plastic/metal stamping parts, CNC machining parts and auto lathe parts. Our main production modes are designing and proofing based on drawings, concepts and samples provided by customers. We provide samples for customers for review, verification and confirmation and then put into production as follows:

###

Our company has 5,000 square meters of production workshops and more than 120 employees divided into four workshops – spring / stamping / screw / axle:

###

1) Spring Department: with 20 sets of 502 computer omnipotent machines, 12 sets of computerized compression spring machines and supporting heat treatment / projector / pull pressure test machines. Daily output: 300,000 pieces of profiled springs and 800,000 pieces of compression springs.
2) Stamping Department: with 25 sets of 10T-45T punches, 3 sets of wire cutting machines and a full set of hardware stamping mold equipment. Providing a full set of services, including proofing, molding, design and stamping. Daily output: 1,200,000 pieces of various types of metal stamping parts.
3) Screw Department: with 45 sets of 0# – 2.5# heading / roll machines. Daily output: 3,000,000 pieces of M1.2 ~ M8 3.5MM ~ 120MM plastic and alloy screws, tacks and rivets.
4) Axle Department: with 21 sets of semi-automatic / automatic toy axle machines. Daily output: 2,000,000 pieces of #1.0 ~ #8.0 various axes / rubbing spent axes.

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Quality Control Product Technology
Custom Stainless Steel 304 300 12X12mm Flexible Coupling Shaft with Screws Mechanical Parts
we stress t
he concept of "quality is the life of our enterprise", using the first three pieces product inspection and the whole production inspection ways for strict quality control. Following the requests of RoHS and Heavy Element, we send products to the third party notarization institute for internationally recognized inspection, with complete inspection report. Our factory has our own salt spray machines and can test all kinds of metal surface treatment of anti-rust effect, in order to ensure the quality of our products.
our factory has a group of professional engineering and technical personnel in the processes of design and production, providing professional advice, converting the concepts from guests into controlled products and helping customers to solve professional problems and reduce the production costs. Each department has a number of professional chefs, with the most advanced equipment in the industry, improving our efficiency, quality and stability to produce high quality and inexpensive products.
Custom Stainless Steel 304 300 12X12mm Flexible Coupling Shaft with Screws Mechanical Parts

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Processes Credibility
In the processes of following up samples / production, we have a number of sales personnel who will make all-out efforts and make quality / delivery / price / needs as per your requirements to meet your expectations as far as possible.
Custom Stainless Steel 304 300 12X12mm Flexible Coupling Shaft with Screws Mechanical Parts
In the terms of credibility, we guarantee the quality of our products, adhere to business ethics and keep commercial secrets.Custom Stainless Steel 304 300 12X12mm Flexible Coupling Shaft with Screws Mechanical Parts
After-sales Service: Custom
Warranty: Custom
Condition: New
Certification: ISO9001
Standard: DIN
Customized: Customized

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Samples:
US$ 30/Piece
1 Piece(Min.Order)

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Request Sample

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Customization:

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Product name   Flexible Coupling Shaft  Custom Stainless Steel 304 300 12X12mm Flexible Coupling Shaft with Screws Mechanical Parts
Material carbon steel(cold rolled steel sheet,galvanized steel sheet),stainless steel,copper,brass,aluminum,etc
Surface treatment All kinds of surface treatment is anodizing, zinc plating, black oxide, chrome plating, powder coating, ect
Size According to customer’s design or samples
Color Customized Color

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Our company was founded in 2000, specialized in customize springs, axles, screws, plastic/metal stamping parts, CNC machining parts and auto lathe parts. Our main production modes are designing and proofing based on drawings, concepts and samples provided by customers. We provide samples for customers for review, verification and confirmation and then put into production as follows:

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Our company has 5,000 square meters of production workshops and more than 120 employees divided into four workshops – spring / stamping / screw / axle:

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1) Spring Department: with 20 sets of 502 computer omnipotent machines, 12 sets of computerized compression spring machines and supporting heat treatment / projector / pull pressure test machines. Daily output: 300,000 pieces of profiled springs and 800,000 pieces of compression springs.
2) Stamping Department: with 25 sets of 10T-45T punches, 3 sets of wire cutting machines and a full set of hardware stamping mold equipment. Providing a full set of services, including proofing, molding, design and stamping. Daily output: 1,200,000 pieces of various types of metal stamping parts.
3) Screw Department: with 45 sets of 0# – 2.5# heading / roll machines. Daily output: 3,000,000 pieces of M1.2 ~ M8 3.5MM ~ 120MM plastic and alloy screws, tacks and rivets.
4) Axle Department: with 21 sets of semi-automatic / automatic toy axle machines. Daily output: 2,000,000 pieces of #1.0 ~ #8.0 various axes / rubbing spent axes.

###

Quality Control Product Technology
Custom Stainless Steel 304 300 12X12mm Flexible Coupling Shaft with Screws Mechanical Parts
we stress t
he concept of "quality is the life of our enterprise", using the first three pieces product inspection and the whole production inspection ways for strict quality control. Following the requests of RoHS and Heavy Element, we send products to the third party notarization institute for internationally recognized inspection, with complete inspection report. Our factory has our own salt spray machines and can test all kinds of metal surface treatment of anti-rust effect, in order to ensure the quality of our products.
our factory has a group of professional engineering and technical personnel in the processes of design and production, providing professional advice, converting the concepts from guests into controlled products and helping customers to solve professional problems and reduce the production costs. Each department has a number of professional chefs, with the most advanced equipment in the industry, improving our efficiency, quality and stability to produce high quality and inexpensive products.
Custom Stainless Steel 304 300 12X12mm Flexible Coupling Shaft with Screws Mechanical Parts

###

Processes Credibility
In the processes of following up samples / production, we have a number of sales personnel who will make all-out efforts and make quality / delivery / price / needs as per your requirements to meet your expectations as far as possible.
Custom Stainless Steel 304 300 12X12mm Flexible Coupling Shaft with Screws Mechanical Parts
In the terms of credibility, we guarantee the quality of our products, adhere to business ethics and keep commercial secrets.Custom Stainless Steel 304 300 12X12mm Flexible Coupling Shaft with Screws Mechanical Parts

Screw Shaft Types and Uses

Various uses for the screw shaft are numerous. Its major diameter is the most significant characteristic, while other aspects include material and function are important. Let us explore these topics in more detail. There are many different types of screw shafts, which include bronze, brass, titanium, and stainless steel. Read on to learn about the most common types. Listed below are some of the most common uses for a screw shaft. These include: C-clamps, screw jacks, vises, and more.
screwshaft

Major diameter of a screw shaft

A screw’s major diameter is measured in fractions of an inch. This measurement is commonly found on the screw label. A screw with a major diameter less than 1/4″ is labeled #0 to #14; those with a larger diameter are labeled fractions of an inch in a corresponding decimal scale. The length of a screw, also known as the shaft, is another measure used for the screw.
The major diameter of a screw shaft is the greater of its two outer diameters. When determining the major diameter of a screw, use a caliper, micrometer, or steel rule to make an accurate measurement. Generally, the first number in the thread designation refers to the major diameter. Therefore, if a screw has a thread of 1/2-10 Acme, the major diameter of the thread is.500 inches. The major diameter of the screw shaft will be smaller or larger than the original diameter, so it’s a good idea to measure the section of the screw that’s least used.
Another important measurement is the pitch. This measures the distance between one thread’s tip and the next thread’s corresponding point. Pitch is an important measurement because it refers to the distance a screw will advance in one turn. While lead and pitch are two separate concepts, they are often used interchangeably. As such, it’s important to know how to use them properly. This will make it easier to understand how to select the correct screw.
There are three different types of threads. The UTS and ISO metric threads are similar, but their common values for Dmaj and Pmaj are different. A screw’s major diameter is the largest diameter, while the minor diameter is the lowest. A nut’s major diameter, or the minor diameter, is also called the nut’s inside diameter. A bolt’s major diameter and minor diameter are measured with go/no-go gauges or by using an optical comparator.
The British Association and American Society of Mechanical Engineers standardized screw threads in the 1840s. A standard named “British Standard Whitworth” became a common standard for screw threads in the United States through the 1860s. In 1864, William Sellers proposed a new standard that simplified the Whitworth thread and had a 55 degree angle at the tip. Both standards were widely accepted. The major diameter of a screw shaft can vary from one manufacturer to another, so it’s important to know what size screw you’re looking for.
In addition to the thread angle, a screw’s major diameter determines the features it has and how it should be used. A screw’s point, or “thread”, is usually spiky and used to drill into an object. A flat tipped screw, on the other hand, is flat and requires a pre-drilled hole for installation. Finally, the diameter of a screw bolt is determined by the major and minor diameters.
screwshaft

Material of a screw shaft

A screw shaft is a piece of machine equipment used to move raw materials. The screw shaft typically comprises a raw material w. For a particular screw to function correctly, the raw material must be sized properly. In general, screw shafts should have an axial-direction length L equal to the moving amount k per 1/2 rotation of the screw. The screw shaft must also have a proper contact angle ph1 in order to prevent raw material from penetrating the screw shaft.
The material used for the shaft depends on its application. A screw with a ball bearing will work better with a steel shaft than one made of aluminum. Aluminum screw shafts are the most commonly used for this application. Other materials include titanium. Some manufacturers also prefer stainless steel. However, if you want a screw with a more modern appearance, a titanium shaft is the way to go. In addition to that, screws with a chromium finish have better wear resistance.
The material of a screw shaft is important for a variety of applications. It needs to have high precision threads and ridges to perform its function. Manufacturers often use high-precision CNC machines and lathes to create screw shafts. Different screw shafts can have varying sizes and shapes, and each one will have different applications. Listed below are the different materials used for screw shafts. If you’re looking for a high-quality screw shaft, you should shop around.
A lead screw has an inverse relationship between contact surface pressure and sliding velocity. For heavier axial loads, a reduced rotation speed is needed. This curve will vary depending on the material used for the screw shaft and its lubrication conditions. Another important factor is end fixity. The material of a screw shaft can be either fixed or free, so make sure to consider this factor when choosing the material of your screw. The latter can also influence the critical speed and rigidity of the screw.
A screw shaft’s major diameter is the distance between the outer edge of the thread and the inner smooth part. Screw shafts are typically between two and sixteen millimeters in diameter. They feature a cylindrical shape, a pointy tip, and a wider head and drive than the former. There are two basic types of screw heads: threaded and non-threaded. These have different properties and purposes.
Lead screws are a cost-effective alternative to ball screws, and are used for low power and light to medium-duty applications. They offer some advantages, but are not recommended for continuous power transmission. But lead screws are often quieter and smaller, which make them useful for many applications. Besides, they are often used in a kinematic pair with a nut object. They are also used to position objects.
screwshaft

Function of a screw shaft

When choosing a screw for a linear motion system, there are many factors that should be considered, such as the position of the actuator and the screw and nut selection. Other considerations include the overall length of travel, the fastest move profile, the duty cycle, and the repeatability of the system. As a result, screw technology plays a critical role in the overall performance of a system. Here are the key factors to consider when choosing a screw.
Screws are designed with an external threading that digs out material from a surface or object. Not all screw shafts have complete threading, however. These are known as partially threaded screws. Fully threaded screws feature complete external threading on the shaft and a pointed tip. In addition to their use as fasteners, they can be used to secure and tighten many different types of objects and appliances.
Another factor to consider is axial force. The higher the force, the bigger the screw needs to be. Moreover, screws are similar to columns that are subject to both tension and compression loads. During the compression load, bowing or deflection is not desirable, so the integrity of the screw is important. So, consider the design considerations of your screw shaft and choose accordingly. You can also increase the torque by using different shaft sizes.
Shaft collars are also an important consideration. These are used to secure and position components on the shaft. They also act as stroke limiters and to retain sprocket hubs, bearings, and shaft protectors. They are available in several different styles. In addition to single and double split shaft collars, they can be threaded or set screw. To ensure that a screw collar will fit tightly to the shaft, the cap must not be overtightened.
Screws can be cylindrical or conical and vary in length and diameter. They feature a thread that mates with a complementary helix in the material being screwed into. A self-tapping screw will create a complementary helix during driving, creating a complementary helix that allows the screw to work with the material. A screw head is also an essential part of a screw, providing gripping power and compression to the screw.
A screw’s pitch and lead are also important parameters to consider. The pitch of the screw is the distance between the crests of the threads, which increases mechanical advantage. If the pitch is too small, vibrations will occur. If the pitch is too small, the screw may cause excessive wear and tear on the machine and void its intended purpose. The screw will be useless if it can’t be adjusted. And if it can’t fit a shaft with the required diameter, then it isn’t a good choice.
Despite being the most common type, there are various types of screws that differ in their functions. For example, a machine screw has a round head, while a truss head has a lower-profile dome. An oval-its point screw is a good choice for situations where the screw needs to be adjusted frequently. Another type is a soft nylon tip, which looks like a Half-dog point. It is used to grip textured or curved surfaces.

China Custom Stainless Steel 304 300 12X12mm Flexible Coupling Shaft with Screws Mechanical Parts     screw conveyor shaft designChina Custom Stainless Steel 304 300 12X12mm Flexible Coupling Shaft with Screws Mechanical Parts     screw conveyor shaft design
editor by czh 2022-12-08