Tag Archives: hollow linear shaft

China Best Sales China Good High Precision Can Be Processed According to The Drawings Provided Linear Optical Shaft Hollow Shaft Linear Shaft with high quality

Product Description

Product Description

Straight line shaft is a product that can be made into straight line movement because of the guiding function of sliding bearing.

The necessary conditions of linear motion system are: simple design, optimal performance, low maintenance cost, durable materials, high-frequency heat treatment, accurate
Outside diameter size, roundness, true flatness and surface treatment, etc.
Model style: diameter 5- 607
The material of carbon steel
Hardness HRC60 ± 2
Hardening thickness
0.8 mm – 3 mm
Length 0-6000mm (if you need more than 6000mm, we can reverse connection for you)
Precision g6
The roughness is within 1.5μm
Straightness 1.5μm 100mm (Rmax)
Other straight shaft types solid shaft, hollow shaft, threaded shaft, stainless steel shaft
Other materials bearing steel GCr15, carbon steel 45#, SUS440C
We are a professional bearing manufacturer in China, high quality bearings can be customized according to OEM and according to your requirements

Range of application


1. The solid shaft

Generally applicable to industrial robots, as professional measuring instruments, medical instruments, precision machine tools, aircraft shafts, pneumatic mandrel moving parts.

2. The hollow shaft

With the advantages of reducing the weight and simplifying the structure of the equipment, the inner measuring wire, compressed air, and lubricating oil and hydraulic oil can be worn again.

3, stainless steel shaft

Generally suitable for chemicals, seawater and so on

Used as part of a measurement in the presence of a substance.

Special processing shaft after heat treatment finishing, all models are hard chrome plated automation equipment.

Special processing

1.The length of the

We can provide straight spools with diameters φ5mm-φ150mm. Maximum length up to 6000 mm.

When you have special requirements for length, we can meet your processing requirements of different lengths.

When you require more than 6000mm, we can reverse connection for you.

2. Special processing

When you have special requirements for processing. Such as thread, with the shaft hole drilling tapping, radial hole drilling tapping, shaft diameter diameter, etc., we can process for you, these special machines after heat treatment and hard chromium treatment, to ensure the accuracy of products.

Send your detailed sketches or blueprints to us for quotation and action, reply to us after you find our factory price ideal for processing.

Detailed Photos


Company Profile


ZHangZhoug HangZhou KaiYaDe bearing co., LTD. Is a have many years experience of linear motion products professional manufacturers. We specialized in the production of straight axis, linear guide, ball screw, linear bearings, linear guide, ball screw end support, linear guide, CAM follower and of good quality and competitive price. My company is located in HangZhou city, zHangZhoug province, close to HangZhou port and HangZhou city.
Products are widely used in precision machinery, fitness equipment, printing machinery, packaging machinery, medical machinery, food machinery, textile machinery and related equipment. Products sell well in North America, Western Europe, Australia, southeast Asia, the Middle East, South America and other regions.


1. Are you a factory or trading company?
We are the most competitive price and high quality professional manufacturers, has 12 years of experience.
2. What is your product range?
Specializing in the production of straight axis, linear bearings, linear guide, linear guide, ball screw, linear motion unit such as CAM follower.
3. Do you provide OEM&ODM service?
B: yes. Welcome OEM, ODM
4. How can I get some samples?
We are very honored to provide samples. You need to pay the freight and some sample fee.
5. How is the quality control of your factory?
We uphold the tenet of “quality is the future”, we have passed CE certification, we have strict quality control procedures.
6. How can I get quotation?
You can send below quotation or send email to us. You can contact us directly by TM or WhatsApp and Skype as you like. If you have an emergency, please call us at any time.


Visit the Factory environment


Screw Shaft Features Explained

When choosing the screw shaft for your application, you should consider the features of the screws: threads, lead, pitch, helix angle, and more. You may be wondering what these features mean and how they affect the screw’s performance. This article explains the differences between these factors. The following are the features that affect the performance of screws and their properties. You can use these to make an informed decision and purchase the right screw. You can learn more about these features by reading the following articles.


The major diameter of a screw thread is the larger of the 2 extreme diameters. The major diameter of a screw is also known as the outside diameter. This dimension can’t be directly measured, but can be determined by measuring the distance between adjacent sides of the thread. In addition, the mean area of a screw thread is known as the pitch. The diameter of the thread and pitch line are directly proportional to the overall size of the screw.
The threads are classified by the diameter and pitch. The major diameter of a screw shaft has the largest number of threads; the smaller diameter is called the minor diameter. The thread angle, also known as the helix angle, is measured perpendicular to the axis of the screw. The major diameter is the largest part of the screw; the minor diameter is the lower end of the screw. The thread angle is the half distance between the major and minor diameters. The minor diameter is the outer surface of the screw, while the top surface corresponds to the major diameter.
The pitch is measured at the crest of a thread. In other words, a 16-pitch thread has a diameter of 1 sixteenth of the screw shaft’s diameter. The actual diameter is 0.03125 inches. Moreover, a large number of manufacturers use this measurement to determine the thread pitch. The pitch diameter is a critical factor in successful mating of male and female threads. So, when determining the pitch diameter, you need to check the thread pitch plate of a screw.


In screw shaft applications, a solid, corrosion-resistant material is an important requirement. Lead screws are a robust choice, which ensure shaft direction accuracy. This material is widely used in lathes and measuring instruments. They have black oxide coatings and are suited for environments where rusting is not acceptable. These screws are also relatively inexpensive. Here are some advantages of lead screws. They are highly durable, cost-effective, and offer high reliability.
A lead screw system may have multiple starts, or threads that run parallel to each other. The lead is the distance the nut travels along the shaft during a single revolution. The smaller the lead, the tighter the thread. The lead can also be expressed as the pitch, which is the distance between adjacent thread crests or troughs. A lead screw has a smaller pitch than a nut, and the smaller the lead, the greater its linear speed.
When choosing lead screws, the critical speed is the maximum number of revolutions per minute. This is determined by the minor diameter of the shaft and its length. The critical speed should never be exceeded or the lead will become distorted or cracked. The recommended operational speed is around 80 percent of the evaluated critical speed. Moreover, the lead screw must be properly aligned to avoid excessive vibrations. In addition, the screw pitch must be within the design tolerance of the shaft.


The pitch of a screw shaft can be viewed as the distance between the crest of a thread and the surface where the threads meet. In mathematics, the pitch is equivalent to the length of 1 wavelength. The pitch of a screw shaft also relates to the diameter of the threads. In the following, the pitch of a screw is explained. It is important to note that the pitch of a screw is not a metric measurement. In the following, we will define the 2 terms and discuss how they relate to 1 another.
A screw’s pitch is not the same in all countries. The United Kingdom, Canada, and the United States have standardized screw threads according to the UN system. Therefore, there is a need to specify the pitch of a screw shaft when a screw is being manufactured. The standardization of pitch and diameter has also reduced the cost of screw manufacturing. Nevertheless, screw threads are still expensive. The United Kingdom, Canada, and the United States have introduced a system for the calculation of screw pitch.
The pitch of a lead screw is the same as that of a lead screw. The diameter is 0.25 inches and the circumference is 0.79 inches. When calculating the mechanical advantage of a screw, divide the diameter by its pitch. The larger the pitch, the more threads the screw has, increasing its critical speed and stiffness. The pitch of a screw shaft is also proportional to the number of starts in the shaft.

Helix angle

The helix angle of a screw shaft is the angle formed between the circumference of the cylinder and its helix. Both of these angles must be equal to 90 degrees. The larger the lead angle, the smaller the helix angle. Some reference materials refer to angle B as the helix angle. However, the actual angle is derived from calculating the screw geometry. Read on for more information. Listed below are some of the differences between helix angles and lead angles.
High helix screws have a long lead. This length reduces the number of effective turns of the screw. Because of this, fine pitch screws are usually used for small movements. A typical example is a 16-mm x 5-inch screw. Another example of a fine pitch screw is a 12x2mm screw. It is used for small moves. This type of screw has a lower lead angle than a high-helix screw.
A screw’s helix angle refers to the relative angle of the flight of the helix to the plane of the screw axis. While screw helix angles are not often altered from the standard square pitch, they can have an effect on processing. Changing the helix angle is more common in two-stage screws, special mixing screws, and metering screws. When a screw is designed for this function, it should be able to handle the materials it is made of.


The diameter of a screw is its diameter, measured from the head to the shaft. Screw diameters are standardized by the American Society of Mechanical Engineers. The diameters of screws range from 3/50 inches to 16 inches, and more recently, fractions of an inch have been added. However, shaft diameters may vary depending on the job, so it is important to know the right size for the job. The size chart below shows the common sizes for screws.
Screws are generally referred to by their gauge, which is the major diameter. Screws with a major diameter less than a quarter of an inch are usually labeled as #0 to #14 and larger screws are labeled as sizes in fractions of an inch. There are also decimal equivalents of each screw size. These measurements will help you choose the correct size for your project. The screws with the smaller diameters were not tested.
In the previous section, we described the different shaft sizes and their specifications. These screw sizes are usually indicated by fractions of an inch, followed by a number of threads per inch. For example, a ten-inch screw has a shaft size of 2” with a thread pitch of 1/4″, and it has a diameter of 2 inches. This screw is welded to a two-inch Sch. 40 pipe. Alternatively, it can be welded to a 9-inch O.A.L. pipe.


Screws come in a wide variety of sizes and shapes, from the size of a quarter to the diameter of a U.S. quarter. Screws’ main function is to hold objects together and to translate torque into linear force. The shape of a screw shaft, if it is round, is the primary characteristic used to define its use. The following chart shows how the screw shaft differs from a quarter:
The shape of a screw shaft is determined by 2 features: its major diameter, or distance from the outer edge of the thread on 1 side to the inner smooth surface of the shaft. These are generally 2 to 16 millimeters in diameter. Screw shafts can have either a fully threaded shank or a half-threaded shank, with the latter providing better stability. Regardless of whether the screw shaft is round or domed, it is important to understand the different characteristics of a screw before attempting to install it into a project.
The screw shaft’s diameter is also important to its application. The ball circle diameter refers to the distance between the center of 2 opposite balls in contact with the grooves. The root diameter, on the other hand, refers to the distance between the bottommost grooves of the screw shaft. These are the 2 main measurements that define the screw’s overall size. Pitch and nominal diameter are important measurements for a screw’s performance in a particular application.


In most cases, lubrication of a screw shaft is accomplished with grease. Grease is made up of mineral or synthetic oil, thickening agent, and additives. The thickening agent can be a variety of different substances, including lithium, bentonite, aluminum, and barium complexes. A common classification for lubricating grease is NLGI Grade. While this may not be necessary when specifying the type of grease to use for a particular application, it is a useful qualitative measure.
When selecting a lubricant for a screw shaft, the operating temperature and the speed of the shaft determine the type of oil to use. Too much oil can result in heat buildup, while too little can lead to excessive wear and friction. The proper lubrication of a screw shaft directly affects the temperature rise of a ball screw, and the life of the assembly. To ensure the proper lubrication, follow the guidelines below.
Ideally, a low lubrication level is appropriate for medium-sized feed stuff factories. High lubrication level is appropriate for larger feed stuff factories. However, in low-speed applications, the lubrication level should be sufficiently high to ensure that the screws run freely. This is the only way to reduce friction and ensure the longest life possible. Lubrication of screw shafts is an important consideration for any screw.

China Best Sales China Good High Precision Can Be Processed According to The Drawings Provided Linear Optical Shaft Hollow Shaft Linear Shaft   with high qualityChina Best Sales China Good High Precision Can Be Processed According to The Drawings Provided Linear Optical Shaft Hollow Shaft Linear Shaft   with high quality

China wholesaler Long knurled grooved tube drive shafts Linear Rod Rail Shaft aluminum transmission axle hollow spline shaft near me factory

Condition: New
Guarantee: 3 months
Relevant Industries: Accommodations, Garment Shops, Developing Material Shops, Manufacturing Plant, Equipment Repair Shops, Foodstuff & Beverage Manufacturing unit, Restaurant, Meals Store, Printing Shops, Construction works , Power & Mining, Foods & Beverage Retailers, Marketing Company
Fat (KG): 1
Showroom Place: None
Video outgoing-inspection: Offered
Equipment Examination Report: Presented
Advertising Kind: Very hot Item 2571
Warranty of main components: 3 months
Main Factors: shaft
Structure: Custom
Substance: Aluminum/Metal Alloy, Stainless Steel,and so on
Coatings: Black Oxide/Nickel
Torque Capability: Custom made
Product Number: spline shaft
Solution name: spline shaft
Certification: ISO9001:2018/IATF16949
Machining: CNC Machining/Forging/Casting
Precision: ±0.001mm-±0.005mm
Floor treatment: Anodized/Polished/Grinding/Engraving and many others.
MOQ: 500pcs
High quality: a hundred% Inspection
Size: Customer’s Drawing Essential
Service: Personalized OEM
Packaging Particulars: PP bag, Foam tray, Carton, Wooden Scenario, Custom made etc.
Port: ShenZhen

Merchandise Advise Products Company Profile HangZhou Jingbang hardware electronic Co., Ltd was identified at 2011 in HangZhou. Our manufacturing unit has 2 floor plant, the workshop is 4000 square meters,including of CNC machine workshop,Lathe workshop, Hight High quality Tuk Tuk Gear Parts Pa66 Gf30 For Plastic Equipment Equipment Plastic Personalized milling workshop, QC tests place and warehouse. Our principal Merchandise: Motorcycle Handlebar lock, Shaft collar, synchronizing wheel, Knob, speaker base, spike, Anti-theft screw, Anti-theft nut, Non-regular screws, Non-common nuts, and Hardware personalized components. We can make the components custom made components as your ask for if you give the 2d/3D drawings, we can supply make amount as your request well timed for that we have 26 device CNC machine in our workshop. Our QC check group use the subsequent resources to check out our make a hundred% and make sure of top quality: vernier caliper, outside the house micrometer, 2d/3D measurement, task measurement, blue light-weight scan, plating thickness, hardness tester, salt spry equipment and so on, we can make precision as ,001mm! And our business office is a thousand sq. meter in the second floor, gearbox synchronizer equipment ring set for CZPT coaster 33038-36571 our engine section have twelve skilled engineers including of a German engineer who is in cost of sub-firm in Germany. They can offer skilled work as your request. And our income division can give all the sale provider from quotation to following sale service, and we provide very best logistic services to delivery our produce to all above the world as your request.We have 6 sub-firms in HangZhou, HangZhou and Germany. Our goods are largely exported to Europe, North The us, Australia, Japan, South Korea and other nations around the world, since we target on high quality, services and value management, we usually get pleasure from good reputations from our clients. We hope to co-operate with you in the long term! FAQ Q1. Are you a manufacturing facility or trade organization? We are factory.Welcome to check out our manufacturing facility. Q2. What type of generation support do you supply?Mildew producing, die casting, CNC machining, stamping, plastic injection, assembly, and surface area treatment method. Q3. How about the direct time?Mildew: 3-5 weeksMass production: 3-4 weeks This fall. How about your quality?♦We will make the operation instruction once the sample is accredited. ♦We will a hundred% inspect the products prior to shipment.♦Transactions can be by way of Alibaba’s trade assurance. Q5. How prolonged should we just take for a quotation? Following acquiring comprehensive information(your Second/3D drawings or samples), we will estimate you inside of 2 times.Q6. What is your quotation element?Drawings or Sample, Material, Unique Layout Sizzling Sale Resilient WPA 60 Gearbox WP Series WPA Worm Gear Reducer Finish, and Quantity.

How to Discover a Defective Travel Shaft

The most typical troubles connected with automotive driveshafts include clicking and rubbing noises. Whilst driving, the sound from the driver’s seat is usually apparent. An skilled automobile mechanic can simply identify no matter whether the sound is coming from equally sides or from a single side. If you observe any of these indicators, it’s time to ship your auto in for a proper diagnosis. Here’s a guide to figuring out if your car’s driveshaft is defective:

Signs and symptoms of Driveshaft Failure

If you happen to be getting trouble turning your car, it really is time to check out your vehicle’s driveshaft. A poor driveshaft can restrict the overall management of your car, and you need to correct it as quickly as possible to steer clear of additional troubles. Other symptoms of a propshaft failure incorporate peculiar noises from below the car and difficulty shifting gears. Squeaking from beneath the automobile is another indication of a defective driveshaft.
If your driveshaft fails, your vehicle will end. Despite the fact that the motor will even now operate, the wheels will not switch. You could hear unusual noises from under the motor vehicle, but this is a rare symptom of a propshaft failure. Even so, you will have plenty of time to repair the difficulty. If you do not hear any sounds, the problem is not influencing your vehicle’s capability to move.
The most evident indications of a driveshaft failure are dull sounds, squeaks or vibrations. If the push shaft is unbalanced, it is very likely to hurt the transmission. It will need a trailer to remove it from your vehicle. Apart from that, it can also affect your car’s functionality and call for repairs. So if you listen to these signs in your vehicle, be positive to have it checked by a mechanic appropriate away.

Generate shaft assembly

When planning a propshaft, the design and style ought to be dependent on the torque necessary to generate the car. When this torque is as well substantial, it can cause irreversible failure of the travel shaft. As a result, a very good travel shaft design ought to have a prolonged provider existence. Right here are some tips to support you design and style a great driveshaft. Some of the major factors of the driveshaft are listed below.
Snap Ring: The snap ring is a detachable element that secures the bearing cup assembly in the yoke cross hole. It also has a groove for locating the snap ring. Spline: A spline is a patented tubular machined element with a collection of ridges that in shape into the grooves of the mating piece. The bearing cup assembly is composed of a shaft and conclude fittings.
U-joint: U-joint is needed because of to the angular displacement between the T-formed housing and the pinion. This angle is especially large in elevated 4x4s. The design of the U-joint need to ensure a constant rotational velocity. Appropriate driveshaft design have to account for the difference in angular velocity between the shafts. The T-bracket and output shaft are hooked up to the bearing caps at both finishes.


Your vehicle has a established of U-joints on the driveshaft. If your motor vehicle requirements to be changed, you can do it yourself. You will want a hammer, ratchet and socket. In purchase to take away the U-joint, you have to initial remove the bearing cup. In some situations you will want to use a hammer to eliminate the bearing cup, you need to be cautious as you will not want to injury the drive shaft. If you cannot eliminate the bearing cup, you can also use a vise to push it out.
There are two kinds of U-joints. 1 is held by a yoke and the other is held by a c-clamp. A complete ring is safer and best for cars that are often utilised off-street. In some instances, a total circle can be utilised to repair a c-clamp u-joint.
In addition to extreme torque, severe loads and incorrect lubrication are frequent triggers of U-joint failure. The U-joint on the driveshaft can also be broken if the engine is modified. If you are driving a automobile with a heavily modified motor, it is not sufficient to substitute the OE U-joint. In this situation, it is important to take the time to correctly lubricate these factors as essential to hold them useful.

tube yoke

QU40866 Tube Yoke is a typical substitution for broken or destroyed driveshaft tubes. They are desirably made of a metallic materials, these kinds of as an aluminum alloy, and include a hollow portion with a lug composition at one particular end. Tube yokes can be made utilizing a assortment of strategies, like casting and forging. A typical approach includes drawing solid aspects and machining them into the last condition. The resulting parts are significantly less expensive to create, especially when in contrast to other types.
The tube fork has a connection stage to the driveshaft tube. The lug construction provides attachment details for the gimbal. Normally, the driveshaft tube is 5 inches in diameter and the lug composition is 4 inches in diameter. The lug structure also serves as a mounting point for the drive shaft. After installed, Tube Yoke is easy to maintain. There are two varieties of lug structures: one particular is cast tube yoke and the other is welded.
Weighty-obligation series generate shafts use bearing plates to safe the yoke to the U-joint. All other dimensions are secured with exterior snap rings. Yokes are normally machined to settle for U-bolts. For some purposes, grease fittings are used. This attachment is far more suitable for off-street vehicles and performance vehicles.

conclude yoke

The stop yoke of the push shaft is an integral component of the push teach. Deciding on a high-high quality finish yoke will assist make sure extended-term operation and stop premature failure. Pat’s Driveline delivers a complete line of automotive stop yokes for power get-offs, differentials and auxiliary tools. They can also evaluate your current elements and supply you with higher good quality replacements.
A U-bolt is an industrial fastener with threaded legs. When utilised on a driveshaft, it supplies better steadiness in unstable terrain. You can acquire a U-bolt package to protected the pinion carrier to the push shaft. U-bolts also arrive with lock washers and nuts. Performance autos and off-road cars frequently use this type of attachment. But prior to you install it, you have to make certain the yoke is machined to acknowledge it.
End yokes can be created of aluminum or steel and are created to supply energy. It also gives unique bolt variations for a variety of programs. CZPT’s drivetrain is also stocked with a total line of automotive flange yokes. The firm also produces custom flanged yokes for numerous well-liked brand names. Given that the firm has a comprehensive line of replacement flange yokes, it can aid you change your drivetrain from non-serviceable to serviceable.


The very first action in repairing or changing an automotive driveshaft is to exchange worn or destroyed bushings. These bushings are located inside the drive shaft to give a easy, safe journey. The shaft rotates in a rubber sleeve. If a bushing demands to be changed, you ought to very first check the manual for recommendations. Some of these parts might also require to be changed, this sort of as the clutch or swingarm.

China wholesaler Long knurled grooved tube drive shafts Linear Rod Rail Shaft aluminum transmission axle hollow spline shaft  near me factory China wholesaler Long knurled grooved tube drive shafts Linear Rod Rail Shaft aluminum transmission axle hollow spline shaft  near me factory