China supplier Roller Screw Ball Screw China with high quality

Merchandise Description


Product Description

SFY sequence Domestic Chinese massive direct ball screw shaft with nut information
Substantial precision low sound ERSK ball screw

Ball screw is made of screw, nut and ball. The purpose is to change the rotary movement into liner movement, which is a even more extension and advancement of ball screw. The significance of this growth is to transfer into a rolling bearing from sliding motion With tiny friction, ball screws are widely utilized in a variety of industrial products and precision instruments.

Items overview

High Reliability

TBI Movement or ERSK ball screw has extremely stringent top quality manage requirements masking every single creation process. With suitable lubrication and use,difficulties-free of charge operation for an extended period of time is attainable.

Sleek Operation

The large efficiency of ball screws is vastly superior to typical screws. The torque required is considerably less than thirty%. Linear motion can be effortlessly changed from rotary movement.

Higher Rigidity and Preload

When axial enjoy is minimized in traditional screw-nut assemblies, the actuating torque gets too much and the operation is not clean. The axial play in TBI Motion or ERSK precision ball screws might be diminished to zero by preloading and a mild easy operation is still attainable. herefore, both reduced torque and higher rigidity can be acquired at the same time.TBI Movement or ERSK ball screws have gothic CZPT groove profiles which permit these problems to be achieved.

Circulation Approach

Ball return tube technique.(V,E,S,Y type)Ball defelector approach.(I,U,M,K variety)

Substantial Toughness

Rigidly selected materials, intensive warmth dealing with and processing strategies, backed by many years of expertise,have resulted in the most sturdy ball screws produced.

Ball screw dimension are the identical as ZheJiang TBI ball screw shafts and nuts, they can be interchanged into every single other

Thorough Images

We are CZPT to machinize the finish sides of ball screw shafts according to your needs

There are a lot of elements what can be matched into the ball screw, Remember to
pick what you need:

ERSK Ball Screw and it truly is parts
((( ball screw shaft, ball screw Nut, Nut housing, Coupling, End help unit )))

There are numerous distinct sequence of ball screw shaft with nut, like SFU sequence, SFS series, SFI series, SFY collection, DFU collection, SFUL collection, SFK series.Every single collection has its very own attributes, Let's appear at the difference in appearance and qualities.

Ball screw Function
1. Cold rolled ball screw
2. Gcr15 substance
three. High-pace procedure
four. C5 C7 C10 precision
five. No hole and preloading
six. Quality as excellent as TBI brand is higher precision, extended lifestyle use.
seven. Spend far more interest to ahead of-sale, in-sale, after -product sales support.
eight. Maker with big inventory & brief shipping and delivery

Cold Rolled Ball Screw Application:

one. Engraving equipment 2. Large pace CNC machinery
4. Car-machinery. 3. Semi-Conductor gear
5. Device tools 6. Industrial Machinery
7. Printing equipment 8. Paper-processing device
9. Textiles device 10. Electronic equipment
eleven. Transport equipment 12. Robotic and so on.

Rolled ball screws can not only be used in above common machinery, but also in many innovative industries. Rolled ball screw with a motor assembles electrical-mechanical actuator, which is far more eco-friendly than hydraulic pump technique. Presently it truly is applied to electrical automobiles, solar electrical power plants, railway units and numerous health care and CZPT equipments.

Set up Guidelines

The way to assemble the ball screw nut in the ball screw shaft

Related merchandise


Our provider

In excess of Support and Our basic principle:

Top quality first, trustworthiness is the essential, the cost adopted

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Packaging & Shipping and delivery

Packaging and shipping and delivery

PP bag for each and every linear shaft, Regular exported carton outdoors for modest order transport by international express,these kinds of as DHL, TNT, UPS,Wood box exterior for massive amount or very
prolonged linear shaft by sea, by air

Firm Profile

Business Details

HangZhou Wangong Precision Equipment Co., Ltd's ERSK manufacturer is the major manufacturer of rolled ball screw and linear CZPT in China. We layout and generate our own rolling resources, and we can produce all kinds of screws and nuts or linear CZPT on customer's requests.
We generate chilly rolled ball screw in massive stock, Specification consist of: 1204, 1604, 1605, 1610, 2004, 2005, 2571, 2505, 2510, 3205, 3210, 4005, 4571, 4571, 5005, 5571, 6310, and many others. (Obtaining all types of types) the max length 6000mm, we propose buyer settle for 3000mm, it really is simple packing, effortless and protected for transport.

Connected Goods:
Ball screw end support
Nut bracket
All people relative goods have large stock.

Usually Asked Questions
one. What is actually your principal products?
Chilly rolled ball screws, ball screw help models, Linear CZPT rails, Linear movement ball slide bearing, Cylinder rails, Linear shaft, Couplings, etc.

two. How can I get a sample to verify your top quality?
Right after price tag confirmation, sample get is obtainable to check our high quality.

3. When can I get the quotation?
We normally quote inside of 24 hours right after we get your inquiry. If you are quite urgent to get the value, remember to get in touch with us or explain to us in your e mail so that we will regard your inquiry precedence.

four. Can you do ball screw stop device processing?
Indeed. We have a professional group getting wealthy expertise in conclude machine processing, please provide us the drawing with the tolerance and we will help you to make the ball screws depending on the drawing.

5. How lengthy is the direct time for mass generation?
Actually, it depends on the buy quantity and the time you location the purchase. The lead time of MOQ is about 7 to fifteen days. Normally speaking, we recommend that you start off inquiry 2 months ahead of the date you would like to get the goods at your country.

Get more in depth data! ! !

Inquiry with us, Now! ! !

We will reply inside 24 Hours! ! !


Ball Screws - Dimensions, Programs, and Positive aspects

Ball screws are common, light-weight, precision mechanical elements. They are typically utilized in machinery, gears, and knurled objects. These screw-like components can be simply taken care of and lubricated making use of oil. This write-up discusses their proportions, applications, and positive aspects. The adhering to sections supply additional information to help you pick the correct ball screw for your demands. We'll talk about some of the important qualities of ball screws and what makes them so valuable.


A key dilemma with nut-to-ball screw backlash is the capacity of the nut to go freely on the threads of the ball screw. To remedy this difficulty, a patented answer was created. The patent, 4,557,156, describes an innovative strategy for preloading ball screws and nuts. By making use of a preloading nut, the threads of the ball screw are prevented from shifting back and forth with the nut.
A mechanical design that requires axial engage in requires a good deal of mass, inertia, and complexity. These qualities lead to put on and rust problems. Preloading ball screws employing a dynamic method minimizes mechanical complexity by enabling preload to be altered whilst the mechanism is working. This also decreases the variety of mechanical elements and simplifies producing. Hence, the preloading technique of the current creation is advantageous.
The servo motors used in the program check the output torque and change the power to one particular motor in a dynamic way, thus generating a torque differential between the balls. This torque differential in turn creates a preload power between the ball nuts. The servo motors' output torque is controlled in this manner, and the machine's backlash clearance can be specifically controlled. Hence, the device can perform a number of tasks with improved precision.
Several prior art techniques for preloading ball screws are described in depth in FIG. 3. The helical thread grooves of the ball screw 26 and the nut 24 define a pathway for roller balls to travel alongside. The stylized broken line suggests the standard situation of the axis of the ball roller screw 26. The corresponding ball screws are utilized in a quantity of applications. This approach may possibly be utilised to manufacture customized-sized screws.


Ball screws are mechanical elements that roll balls via a groove. Incorrect lubrication can lessen the lifestyle of these screw aspects. Improper lubrication can direct to shaft harm, malfunction, and diminished functionality. This write-up discusses the value of appropriate lubrication and how to do it. You can learn how to correctly lubricate ball screws in the adhering to paragraphs. Listed here are some guidelines to guarantee long-phrase overall performance and safety of ball screws.
The very first issue you need to do is determine the kind of lubricant you are going to be using. Oils are chosen since they have a tendency to continue being inside the ball nut, and grease can build up in it. Oils also tend to have much better anti-corrosion properties than grease. Nonetheless, grease is far more most likely to be clogged with debris than oils. So, prior to you pick the lubricant that is appropriate for your screw, make sure you wash it off.
The oil utilized in ball screw lubrication must be applied at a managed price. It can avoid metal-on-steel speak to and thoroughly clean out contaminants as it passes by means of the ball nut. However, oil as a lubricant is expensive and can contaminate the method if it mixes with the slicing fluid. Grease, on the other hand, is low-cost, requires fewer applications, and does not contaminate method fluids.
If you use a synthetic oil for lubrication, make confident to pick a viscosity that is proper for the running temperature. Oil viscosity can increase the temperature of the ball screw assembly, and abnormal oil can minimize its life. A appropriate amount of oil will decrease the temperature of the ball screw assembly, although also small will increase friction and put on. Use the adhering to suggestions to determine the right amount of oil for your screw.


Dimensions of ball screws are a really crucial facet to take into account when deciding the very best sort for your application. Specialized acceptance conditions for ball screws specify the allowed deviations throughout acceptance checks. The tolerance class can also modify, depending on the requirements of a particular application. The adhering to desk lists the most critical tolerance values for the total variety of screw lengths. This table is a valuable guide when looking for a distinct screw. The table below lists the proportions of typical ball screws.
The axial load utilized to a ball screw is .5 x Fpr / 2Fpr. The bare minimum screw diameter is acknowledged as the root diameter. The axial load triggers the screw shaft to deform in a particular way (DL1 and DL2). The elastic deflection induced by the load on a ball screw is called its rigidity. This rigidity is essential for calculating sizing parameters for a ball screw.
The preload value of the ball screw influences the dynamic load capability. A preload of ten % is regarded satisfactory, while a benefit better than this may compromise the screw's durability. In basic, a substantial preload worth will outcome in a decrease dynamic load ability and higher use. Even so, the preload value need to be calculated with the related screw parameters. This is since a high preload benefit reduces the screw's toughness.
To guarantee that your screw meets the specified parameters, the dynamic load capacity have to be calculated. This is the quantity of power a ball screw will withstand beneath a specified load. This calculation also includes strength checks. If you are utilizing a ball screw for purposes that require extra power, it could demand a basic safety factor. For illustration, if the screw is used for double-axial mounting, then the outer ball nut have to be inserted into the nut, triggering a secondary load.


The present invention offers a basic, but very effective way to mount a ball screw. Its absence of insert slots or through holes makes it less difficult to assemble and supplies a more uniform nut. The lack of mechanical attributes also lowers warmth therapy concerns, and the nut's hardness can be uniformly hardened. As a result, the screw's general performance is enhanced. Listed here are some examples of programs for ball screws.
Preloading is the method of applying power to a ball screw. This raises the rigidity of the screw assembly and eradicates backlash, which is dropped movement induced by clearance among the nut and ball. Backlash disrupts repeatability and precision. Spacer preloading includes inserting pressure amongst two ball nuts and transmitting it via the grooves. This approach is ideal when preloading is required in massive portions. In addition to rising rigidity, preloading can improve accuracy.
Ball screws demand careful care in their functioning surfaces to avoid contamination. Rubber or leather-based bellows can be employed to safeguard their surfaces, although constructive air force can be used to the screw. Preloading eradicates backlash, a frequent difficulty between screw assemblies. In addition to the quite a few purposes for ball screws, they are also essential to computer-managed movement-manage techniques and wire bonding. And there are numerous far more examples. So what are the rewards of making use of these products?
The spring preloading system uses a spring in in between two ball nuts, applying tensional forces to the ball nuts. This spring generates grooves in the nut's middle, which facilitates recirculation of the balls. The spring preloading system is far more compact than the double nut mechanism, but the lengthening of the direct decreases the ball screw's load ability. Its compact style can make it excellent for tiny clearance assemblies.

Routine maintenance

In addition to performing servicing duties yourself, the producer of ball screws must provide reverse engineering providers that will empower them to identify particular issues. The procedure of reverse engineering permits ball screw makers to develop new ball screws and areas. In the celebration that a ball screw is past repair, a company can typically help save a substantial amount of income by repairing it instead of replacing it. In addition to repairing a ball screw, the manufacturer ought to also offer you cost-free analysis providers for the part. Reconditioning and substitute involve the use of new areas, whilst reloading and replacement replace the screw.
Carrying out routine upkeep checks on ball screw assemblies is vital for keeping optimum overall performance and extending their support lifestyle. Extra time, abnormal use can direct to a assortment of issues, such as backlash, vibration, and ball bearing sounds. In addition, the improved friction raises the required torque for turning a screw, creating technique failure and important downtime. To ensure that a ball screw is fully practical, it need to be checked for use and maintain the appropriate lubrication method.
Discoloration or pitting on a ball screw indicates that it is in require of fix. The identical is correct if there are chatter marks in the ball groove. In many cases, a ball screw demands a new lubrication seal or wipers. Furthermore, it might be lacking or in excess of-donning, which could outcome in everlasting failure. Finally, excessive energy attract could be a indication of improper lubrication or improper set up.
Suitable upkeep is crucial for any device resource. When executed correctly, device equipment can previous many years with continuous use. Correct treatment and routine maintenance is essential to make certain lengthy lifestyle and best efficiency. In addition to strengthening equipment instrument uptime, correct routine maintenance influences the precision and repeatability of the stop item. For that reason, high quality machine tool producers target on the performance and durability of ball screws. They develop revolutionary designs and lubricants to improve the lifespan of their goods.

China supplier Roller Screw Ball Screw China     with high qualityChina supplier Roller Screw Ball Screw China     with high quality

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