China factory Rolled Ball Screw Sfk Min System with ISO 9001 Certificate with Great quality

Item Description



Product Description

SFK collection Domestic Chinese miniature ball screw shaft with nut particulars
High precision low sounds ERSK ball screw

Ball screw is created of screw, nut and ball. The function is to switch the rotary motion into liner motion, which is a further extension and development of ball screw. The importance of this improvement is to shift into a rolling bearing from sliding action With little friction, ball screws are extensively employed in various industrial gear and precision devices.

Goods overview

Higher Reliability

TBI Motion or ERSK ball screw has extremely stringent top quality control expectations covering every single production procedure. With appropriate lubrication and use,difficulty-free of charge procedure for an prolonged period of time of time is attainable.

Smooth Procedure

The high performance of ball screws is vastly outstanding to standard screws. The torque needed is less than 30%. Linear motion can be easily altered from rotary movement.

Substantial Rigidity and Preload

When axial enjoy is minimized in typical screw-nut assemblies, the actuating torque gets excessive and the procedure is not clean. The axial engage in in TBI Movement or ERSK precision ball screws might be diminished to zero by preloading and a gentle easy procedure is still achievable. herefore, equally reduced torque and substantial rigidity can be received simultaneously.TBI Movement or ERSK ball screws have gothic CZPT groove profiles which allow these conditions to be achieved.

Circulation Approach

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

Substantial Longevity

Rigidly picked supplies, intensive warmth managing and processing methods, backed by a long time of encounter,have resulted in the most durable ball screws created.

Ball screw dimensions are the exact same as ZheJiang TBI ball screw shafts and nuts, they can be interchanged into each other

Detailed Pictures

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

ball screw created by ERSK company (cnc ball screw)

First TBI ball screw

Ball screw assembly is consisted of screw, nut and ball. The perform is to switch the rotary movement into

liner motion, which is a more extension and advancement of ball screw. The significance of this

advancement is to shift into a rolling bearing from sliding action With tiny friction, ball screws are

extensively utilised in various industrial tools and precision devices. Specifically in recent several years,

it is extensively utilized in CNC device tools. ball screw is manufactured by grinding and whirling, or rolled, and it

has 2 sorts of ball screw, accuracy from 1 to 7, 1 is the optimum and 7 is the lowest.

There are numerous areas what can be matched into the ball screw, Remember to
decide on what you need:

ERSK Ball Screw and it's parts
((( ball screw shaft, ball screw Nut, Nut housing, Coupling, Stop support unit )))


  1. Floor/Cold rolled ball screw CF53 Germany materialHigh-speed and easy operationC5 C7 precision No gap and preloadingQuality as very good as TBI manufacturer is high precision, long existence usePay far more focus to prior to-sale, in-sale, soon after -sales provider.Manufacturer with huge stock & quick shipping and delivery

We are CZPT to conclude machining, if you need, Make sure you permit us know before order, and make sure you offer a

thorough conclude machined drawing, if not, we will not conclude machined the ball screw.

Any length of the ball screw, we can fulfill to you.

ball screw Relevant Products: Ball screw finish assistance Nut, bracket, Coupling

There are several diverse collection of ball screw shaft with nut, like SFU collection, SFS series, SFI sequence, SFY sequence, DFU collection, SFUL series, SFK series.Every collection has its own qualities, Let us seem at the big difference in look and qualities.

Ball screw Attribute
1. Chilly rolled ball screw
two. Gcr15 material
3. High-speed operation
4. C5 C7 C10 precision
five. No gap and preloading
six. Quality as excellent as TBI brand is large precision, prolonged life use.
seven. Shell out a lot more focus to ahead of-sale, in-sale, soon after -revenue support.
8. Manufacturer with big stock & brief supply

Chilly Rolled Ball Screw Software:

one. Engraving machines 2. High speed CNC machinery
4. Car-machinery. 3. Semi-Conductor products
five. Equipment tools 6. Industrial Equipment
seven. Printing equipment 8. Paper-processing device
9. Textiles machine ten. Digital equipment
11. Transport machinery 12. Robot etc.

Rolled ball screws can not only be utilized in earlier mentioned general equipment, but also in several sophisticated industries. Rolled ball screw with a motor assembles electrical-mechanical actuator, which is more eco-pleasant than hydraulic pump technique. Today it truly is utilized to electric powered autos, photo voltaic energy vegetation, railway products and numerous health-related and CZPT equipments.

Installation Recommendations

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

Relevant goods



Our services

In excess of Services and Our theory:

Good quality 1st, credibility is the important, the price tag adopted

Our Positive aspects

Packaging & Shipping

Packaging and shipping

PP bag for each and every linear shaft, Common exported carton exterior for small get shipping and delivery by global convey,such as DHL, TNT, UPS,Picket box outdoors for large quantity or quite
lengthy linear shaft by sea, by air

Business Profile

Organization Info

HangZhou Wangong Precision Equipment Co., Ltd's ERSK model is the leading brand of rolled ball screw and linear CZPT in China. We style and make our own rolling instruments, and we can generate all kinds of screws and nuts or linear CZPT upon customer's requests.
We produce chilly rolled ball screw in massive stock, Specification incorporate: 1204, 1604, 1605, 1610, 2004, 2005, 2571, 2505, 2510, 3205, 3210, 4005, 4571, 4571, 5005, 5571, 6310, and many others. (Obtaining all kinds of models) the max duration 6000mm, we propose buyer accept 3000mm, it really is easy packing, simple and risk-free for transportation.

Connected Products:
Ball screw stop help
Nut bracket
All individuals relative merchandise have massive stock.

Usually Asked Questions
1. What is actually your major goods?
Cold rolled ball screws, ball screw help models, Linear CZPT rails, Linear motion ball slide bearing, Cylinder rails, Linear shaft, Couplings, and so on.

2. How can I get a sample to check your good quality?
After cost confirmation, sample buy is obtainable to verify our high quality.

three. When can I get the quotation?
We normally quotation within 24 hrs right after we get your inquiry. If you are extremely urgent to get the value, make sure you contact us or notify us in your e mail so that we will regard your inquiry precedence.

4. Can you do ball screw finish equipment processing?
Of course. We have a skilled team having rich experience in end equipment processing, please provide us the drawing with the tolerance and we will support you to make the ball screws based on the drawing.

five. How prolonged is the lead time for mass manufacturing?
Honestly, it relies upon on the buy amount and the season you spot the buy. The direct time of MOQ is about 7 to 15 times. Generally speaking, we suggest that you commence inquiry 2 months ahead of the date you would like to get the products at your place.

Get far more detailed information! ! !

Inquiry with us, Now! ! !

We will reply within 24 Hrs! ! !





Ball Screws - Proportions, Apps, and Positive aspects

Ball screws are well-liked, light-weight, precision mechanical elements. They are commonly utilised in equipment, gears, and knurled objects. These screw-like areas can be easily preserved and lubricated using oil. This write-up discusses their proportions, apps, and advantages. The pursuing sections give additional data to support you decide on the correct ball screw for your needs. We will discuss some of the important attributes of ball screws and what tends to make them so beneficial.


A important difficulty with nut-to-ball screw backlash is the capability of the nut to shift freely on the threads of the ball screw. To remedy this dilemma, a patented solution was produced. The patent, 4,557,156, describes an innovative method for preloading ball screws and nuts. By making use of a preloading nut, the threads of the ball screw are prevented from transferring back and forth with the nut.
A mechanical design and style that includes axial perform includes a great deal of mass, inertia, and complexity. These traits direct to wear and rust problems. Preloading ball screws using a dynamic program lowers mechanical complexity by permitting preload to be adjusted while the mechanism is operating. This also decreases the variety of mechanical elements and simplifies manufacturing. Thus, the preloading technique of the current creation is useful.
The servo motors utilised in the program keep an eye on the output torque and change the electrical power to 1 motor in a dynamic way, hence making a torque differential in between the balls. This torque differential in flip produces a preload pressure amongst the ball nuts. The servo motors' output torque is managed in this method, and the machine's backlash clearance can be specifically managed. Therefore, the equipment can carry out a number of tasks with improved precision.
A number of prior artwork techniques for preloading ball screws are explained in detail in FIG. 3. The helical thread grooves of the ball screw 26 and the nut 24 determine a pathway for roller balls to journey together. The stylized broken line suggests the standard situation of the axis of the ball roller screw 26. The corresponding ball screws are employed in a number of purposes. This approach may possibly be utilised to manufacture custom-sized screws.


Ball screws are mechanical aspects that roll balls via a groove. Incorrect lubrication can minimize the life of these screw factors. Improper lubrication can lead to shaft injury, malfunction, and reduced performance. This report discusses the importance of proper lubrication and how to do it. You can discover how to effectively lubricate ball screws in the following paragraphs. Below are some tips to ensure prolonged-expression performance and security of ball screws.
The initial issue you must do is figure out the type of lubricant you are going to be employing. Oils are desired because they are likely to continue to be within the ball nut, and grease can build up in it. Oils also are inclined to have better anti-corrosion properties than grease. However, grease is a lot more very likely to be clogged with debris than oils. So, prior to you choose the lubricant that is proper for your screw, make positive you wash it off.
The oil utilized in ball screw lubrication need to be applied at a controlled price. It can avert steel-on-steel get in touch with and clear out contaminants as it passes through the ball nut. Nonetheless, oil as a lubricant is pricey and can contaminate the approach if it mixes with the chopping fluid. Grease, on the other hand, is low-cost, calls for much less apps, and does not contaminate process fluids.
If you use a synthetic oil for lubrication, make certain to decide on a viscosity that is acceptable for the working temperature. Oil viscosity can enhance the temperature of the ball screw assembly, and excessive oil can decrease its existence. A appropriate amount of oil will decrease the temperature of the ball screw assembly, even though too small will improve friction and use. Use the pursuing recommendations to decide the appropriate quantity of oil for your screw.


Dimensions of ball screws are a extremely critical factor to contemplate when deciding the greatest variety for your software. Technological acceptance conditions for ball screws specify the authorized deviations in the course of acceptance checks. The tolerance class can also adjust, based on the wants of a specific software. The adhering to table lists the most crucial tolerance values for the full selection of screw lengths. This table is a helpful manual when looking for a particular screw. The desk under lists the dimensions of common ball screws.
The axial load applied to a ball screw is .5 x Fpr / 2Fpr. The minimum screw diameter is known as the root diameter. The axial load leads to the screw shaft to deform in a specific way (DL1 and DL2). The elastic deflection induced by the load on a ball screw is named its rigidity. This rigidity is crucial for calculating sizing parameters for a ball screw.
The preload benefit of the ball screw affects the dynamic load capacity. A preload of ten % is considered ample, even though a worth better than this could compromise the screw's sturdiness. In common, a high preload worth will result in a reduced dynamic load potential and greater use. However, the preload worth should be calculated with the pertinent screw parameters. This is since a high preload value minimizes the screw's durability.
To guarantee that your screw satisfies the specified parameters, the dynamic load capacity have to be calculated. This is the quantity of pressure a ball screw will face up to underneath a specified load. This calculation also contains energy checks. If you are using a ball screw for apps that want added strength, it could require a protection aspect. For instance, if the screw is utilized for double-axial mounting, then the outer ball nut must be inserted into the nut, creating a secondary load.


The present creation offers a straightforward, but extremely powerful way to mount a ball screw. Its absence of insert slots or via holes tends to make it simpler to assemble and offers a much more uniform nut. The lack of mechanical features also minimizes warmth treatment troubles, and the nut's hardness can be uniformly hardened. As a end result, the screw's total overall performance is enhanced. Here are some examples of apps for ball screws.
Preloading is the process of making use of power to a ball screw. This boosts the rigidity of the screw assembly and removes backlash, which is missing motion induced by clearance in between the nut and ball. Backlash disrupts repeatability and accuracy. Spacer preloading entails inserting force amongst two ball nuts and transmitting it by way of the grooves. This technique is best when preloading is required in large quantities. In addition to rising rigidity, preloading can improve accuracy.
Ball screws call for cautious treatment in their doing work surfaces to prevent contamination. Rubber or leather-based bellows can be utilized to defend their surfaces, although constructive air strain can be applied to the screw. Preloading eliminates backlash, a widespread issue among screw assemblies. In addition to the many apps for ball screws, they are also essential to pc-managed motion-handle systems and wire bonding. And there are numerous far more illustrations. So what are the positive aspects of employing these units?
The spring preloading program utilizes a spring in in between two ball nuts, implementing tensional forces to the ball nuts. This spring produces grooves in the nut's middle, which facilitates recirculation of the balls. The spring preloading system is much more compact than the double nut mechanism, but the lengthening of the lead reduces the ball screw's load ability. Its compact design tends to make it best for tiny clearance assemblies.


In addition to doing maintenance duties by yourself, the manufacturer of ball screws should offer you reverse engineering providers that will permit them to recognize specific issues. The procedure of reverse engineering makes it possible for ball screw producers to develop new ball screws and areas. In the celebration that a ball screw is outside of mend, a manufacturer can usually help save a important amount of money by restoring it alternatively of replacing it. In addition to fixing a ball screw, the producer should also offer you cost-free analysis providers for the component. Reconditioning and replacement require the use of new areas, even though reloading and substitution substitute the screw.
Carrying out program upkeep checks on ball screw assemblies is crucial for preserving ideal performance and extending their support daily life. Extra time, excessive dress in can guide to a variety of troubles, including backlash, vibration, and ball bearing sound. In addition, the increased friction will increase the needed torque for turning a screw, causing method failure and significant downtime. To ensure that a ball screw is entirely practical, it must be checked for put on and maintain the appropriate lubrication system.
Discoloration or pitting on a ball screw signifies that it is in require of mend. The same is true if there are chatter marks in the ball groove. Oftentimes, a ball screw needs a new lubrication seal or wipers. Furthermore, it may possibly be lacking or above-wearing, which could outcome in permanent failure. Last but not least, extreme electrical power draw could be a indication of poor lubrication or improper set up.
Suitable upkeep is crucial for any equipment instrument. When executed effectively, equipment instruments can previous a long time with continuous use. Proper treatment and servicing is crucial to guarantee extended life and optimal efficiency. In addition to bettering machine tool uptime, proper routine maintenance influences the precision and repeatability of the stop product. As a result, premium device instrument manufacturers concentrate on the functionality and durability of ball screws. They develop modern patterns and lubricants to enhance the lifespan of their products.

China factory Rolled Ball Screw Sfk Min System with ISO 9001 Certificate     with Great qualityChina factory Rolled Ball Screw Sfk Min System with ISO 9001 Certificate     with Great quality

Recent Posts