China Good quality CNC Machine Parts Sfs Specification Size Ball Screw with high quality

Solution Description

Item Description

SFS sequence Domestic Chinese big lead ball screw shaft with nut particulars
Large precision reduced sounds ERSK ball screw

Ball screw is created of screw, nut and ball. The purpose is to flip the rotary movement into liner movement, which is a further extension and improvement of ball screw. The significance of this improvement is to shift into a rolling bearing from sliding action With minor friction, ball screws are commonly used in a variety of industrial tools and precision devices.

Goods overview

Large Trustworthiness

TBI Motion or ERSK ball screw has really stringent good quality management specifications masking each and every production process. With appropriate lubrication and use,difficulties-totally free operation for an extended time period of time is possible.

Clean Operation

The high efficiency of ball screws is vastly superior to conventional screws. The torque necessary is significantly less than thirty%. Linear movement can be effortlessly altered from rotary movement.

Substantial Rigidity and Preload

When axial enjoy is minimized in conventional screw-nut assemblies, the actuating torque gets to be excessive and the procedure is not smooth. The axial enjoy in TBI Movement or ERSK precision ball screws might be lowered to zero by preloading and a gentle clean operation is nonetheless possible. herefore, equally lower torque and substantial rigidity can be obtained at the same time.TBI Movement or ERSK ball screws have gothic CZPT groove profiles which allow these situations to be achieved.

Circulation Strategy

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

Higher Durability

Rigidly selected resources, intense warmth dealing with and processing strategies, backed by years of experience,have resulted in the most sturdy ball screws created.

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

In depth Pictures

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

ball screw created by ERSK organization (cnc ball screw)

Authentic TBI ball screw

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

liner movement, which is a more extension and improvement of ball screw. The significance of this

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

commonly utilized in a variety of industrial products and precision devices. Especially in latest years,

it is extensively utilized in CNC machine resources. ball screw is made by grinding and whirling, or rolled, and it

has 2 types of ball screw, precision from 1 to 7, 1 is the maximum and 7 is the most affordable.

There are several parts what can be matched into the ball screw, Make sure you
choose what you need to have:

ERSK Ball Screw and it's elements
((( ball screw shaft, ball screw Nut, Nut housing, Coupling, Stop assistance device )))


  1. Floor/Chilly rolled ball screw CF53 Germany materialHigh-pace and smooth operationC5 C7 precision No hole and preloadingQuality as excellent as TBI manufacturer is large precision, long life usePay a lot more consideration to just before-sale, in-sale, right after -sales service.Manufacturer with big inventory & brief shipping and delivery

We are CZPT to conclude machining, if you want, You should allow us know ahead of order, and remember to give a

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

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

ball screw Connected Goods: Ball screw end assist Nut, bracket, Coupling

There are numerous various sequence of ball screw shaft with nut, like SFU series, SFS sequence, SFI sequence, SFY collection, DFU sequence, SFUL sequence, SFK collection.Each series has its own characteristics, Let us appear at the distinction in visual appeal and attributes.

Ball screw Characteristic
one. Cold rolled ball screw
2. Gcr15 material
three. High-speed operation
4. C5 C7 C10 precision
five. No hole and preloading
6. Good quality as good as TBI model is higher precision, lengthy existence use.
seven. Pay a lot more attention to ahead of-sale, in-sale, right after -income service.
8. Manufacturer with huge stock & limited supply

Cold Rolled Ball Screw Application:

1. Engraving equipment 2. High pace CNC equipment
four. Auto-equipment. 3. Semi-Conductor tools
5. Equipment resources 6. Industrial Machinery
7. Printing device 8. Paper-processing equipment
nine. Textiles equipment 10. Digital machinery
11. Transportation machinery 12. Robot and so forth.

Rolled ball screws can not only be used in above common machinery, but also in a lot of sophisticated industries. Rolled ball screw with a motor assembles electrical-mechanical actuator, which is more eco-welcoming than hydraulic pump system. Presently it is utilized to electric powered cars, solar energy plants, railway gadgets and several healthcare and CZPT equipments.

Set up Recommendations

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

Related products

Our support

Above Service and Our theory:

Good quality very first, believability is the key, the value adopted

Our Benefits

Packaging & Transport

Packaging and shipping and delivery

PP bag for each and every linear shaft, Normal exported carton outdoors for small buy delivery by worldwide categorical,this sort of as DHL, TNT, UPS,Wood box outside for massive amount or very
extended linear shaft by sea, by air

Business Profile

Company Info

HangZhou Wangong Precision Equipment Co., Ltd's ERSK brand name is the leading brand of rolled ball screw and linear CZPT in China. We design and style and create our possess rolling resources, and we can make all sorts of screws and nuts or linear CZPT on customer's requests.
We produce chilly rolled ball screw in big stock, Specification contain: 1204, 1604, 1605, 1610, 2004, 2005, 2571, 2505, 2510, 3205, 3210, 4005, 4571, 4571, 5005, 5571, 6310, and so forth. (Obtaining all types of versions) the max duration 6000mm, we suggest consumer take 3000mm, it truly is straightforward packing, effortless and secure for transport.

Related Goods:
Ball screw end help
Nut bracket
All individuals relative items have huge stock.

Regularly Questioned Questions
1. What is your primary merchandise?
Chilly rolled ball screws, ball screw support units, Linear CZPT rails, Linear movement ball slide bearing, Cylinder rails, Linear shaft, Couplings, and many others.

two. How can I get a sample to check out your high quality?
After price tag affirmation, sample buy is obtainable to verify our quality.

3. When can I get the quotation?
We usually estimate in 24 hrs after we get your inquiry. If you are extremely urgent to get the cost, make sure you get in touch with us or tell us in your e mail so that we will regard your inquiry precedence.

four. Can you do ball screw finish machine processing?
Sure. We have a expert staff having rich encounter in stop machine processing, make sure you offer us the drawing with the tolerance and we will support you to make the ball screws relying on the drawing.

5. How long is the lead time for mass generation?
Actually, it depends on the buy quantity and the time you location the get. The direct time of MOQ is about 7 to 15 times. Typically talking, we suggest that you commence inquiry 2 months just before the day you would like to get the merchandise at your nation.

Get a lot more detailed information! ! !

Inquiry with us, Now! ! !

We will reply inside 24 Hrs! ! !



Ball Screws - Proportions, Programs, and Rewards

Ball screws are popular, light-weight, precision mechanical factors. They are frequently used in equipment, gears, and knurled objects. These screw-like areas can be effortlessly managed and lubricated making use of oil. This write-up discusses their proportions, applications, and advantages. The following sections supply extra info to help you decide on the right ball screw for your wants. We are going to discuss some of the important attributes of ball screws and what helps make them so valuable.


A crucial problem with nut-to-ball screw backlash is the potential of the nut to move freely on the threads of the ball screw. To resolve this dilemma, a patented answer was designed. The patent, 4,557,156, describes an revolutionary method for preloading ball screws and nuts. By implementing a preloading nut, the threads of the ball screw are prevented from transferring back again and forth with the nut.
A mechanical style that involves axial perform requires a good deal of mass, inertia, and complexity. These characteristics direct to put on and rust issues. Preloading ball screws using a dynamic method lowers mechanical complexity by permitting preload to be modified while the mechanism is running. This also lowers the amount of mechanical components and simplifies manufacturing. As a result, the preloading technique of the current creation is advantageous.
The servo motors utilized in the technique check the output torque and modify the energy to one particular motor in a dynamic way, hence producing a torque differential amongst the balls. This torque differential in turn produces a preload pressure between the ball nuts. The servo motors' output torque is managed in this fashion, and the machine's backlash clearance can be exactly controlled. Hence, the machine can execute a number of jobs with improved precision.
Numerous prior artwork strategies for preloading ball screws are explained in detail in FIG. 3. The helical thread grooves of the ball screw 26 and the nut 24 define a pathway for roller balls to journey alongside. The stylized broken line suggests the standard place of the axis of the ball roller screw 26. The corresponding ball screws are used in a variety of purposes. This method may possibly be utilised to manufacture personalized-sized screws.


Ball screws are mechanical components that roll balls through a groove. Inappropriate lubrication can decrease the daily life of these screw components. Improper lubrication can lead to shaft injury, malfunction, and reduced overall performance. This report discusses the significance of appropriate lubrication and how to do it. You can learn how to effectively lubricate ball screws in the following paragraphs. Listed here are some guidelines to guarantee prolonged-time period performance and security of ball screws.
The first factor you should do is figure out the sort of lubricant you are going to be utilizing. Oils are favored because they tend to continue to be inside the ball nut, and grease can construct up in it. Oils also are likely to have better anti-corrosion properties than grease. Nevertheless, grease is more most likely to be clogged with debris than oils. So, ahead of you select the lubricant which is proper for your screw, make confident you wash it off.
The oil used in ball screw lubrication should be used at a controlled price. It can prevent metallic-on-metallic contact and thoroughly clean out contaminants as it passes by means of the ball nut. Even so, oil as a lubricant is costly and can contaminate the process if it mixes with the slicing fluid. Grease, on the other hand, is inexpensive, requires fewer applications, and does not contaminate approach fluids.
If you use a synthetic oil for lubrication, make positive to choose a viscosity that is proper for the operating temperature. Oil viscosity can boost the temperature of the ball screw assembly, and too much oil can minimize its lifestyle. A proper sum of oil will minimize the temperature of the ball screw assembly, whilst way too small will enhance friction and dress in. Use the pursuing tips to figure out the appropriate quantity of oil for your screw.


Proportions of ball screws are a extremely important facet to think about when deciding the very best sort for your application. Specialized acceptance situations for ball screws specify the authorized deviations during acceptance assessments. The tolerance course can also adjust, depending on the requirements of a particular software. The adhering to desk lists the most crucial tolerance values for the entire variety of screw lengths. This table is a helpful manual when hunting for a particular screw. The table under lists the dimensions of frequent ball screws.
The axial load applied to a ball screw is .5 x Fpr / 2Fpr. The minimum screw diameter is acknowledged as the root diameter. The axial load triggers the screw shaft to deform in a specified way (DL1 and DL2). The elastic deflection induced by the load on a ball screw is referred to as its rigidity. This rigidity is important for calculating sizing parameters for a ball screw.
The preload benefit of the ball screw influences the dynamic load capacity. A preload of 10 % is regarded as adequate, although a price increased than this may possibly compromise the screw's sturdiness. In basic, a substantial preload value will end result in a reduce dynamic load ability and increased wear. Nevertheless, the preload value must be calculated with the appropriate screw parameters. This is due to the fact a large preload benefit reduces the screw's longevity.
To guarantee that your screw fulfills the specified parameters, the dynamic load ability must be calculated. This is the volume of drive a ball screw will endure below a specified load. This calculation also includes energy checks. If you are using a ball screw for apps that want added energy, it could need a security factor. For illustration, if the screw is used for double-axial mounting, then the outer ball nut must be inserted into the nut, creating a secondary load.


The existing invention offers a easy, but very effective way to mount a ball screw. Its absence of insert slots or by means of holes tends to make it less difficult to assemble and supplies a far more uniform nut. The deficiency of mechanical features also reduces warmth treatment concerns, and the nut's hardness can be uniformly hardened. As a outcome, the screw's total overall performance is enhanced. Listed here are some examples of apps for ball screws.
Preloading is the method of implementing pressure to a ball screw. This will increase the rigidity of the screw assembly and gets rid of backlash, which is misplaced movement brought on by clearance amongst the nut and ball. Backlash disrupts repeatability and precision. Spacer preloading includes inserting pressure amongst two ball nuts and transmitting it by means of the grooves. This approach is excellent when preloading is needed in massive portions. In addition to increasing rigidity, preloading can increase precision.
Ball screws require cautious care in their working surfaces to avoid contamination. Rubber or leather-based bellows can be employed to defend their surfaces, whilst positive air force can be utilized to the screw. Preloading eliminates backlash, a common difficulty amid screw assemblies. In addition to the many programs for ball screws, they are also critical to personal computer-managed motion-management methods and wire bonding. And there are a lot of far more examples. So what are the benefits of using these units?
The spring preloading technique employs a spring in amongst 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 a lot more compact than the double nut mechanism, but the lengthening of the guide reduces the ball screw's load ability. Its compact layout tends to make it excellent for small clearance assemblies.


In addition to performing servicing duties yourself, the company of ball screws should supply reverse engineering services that will allow them to recognize certain difficulties. The process of reverse engineering permits ball screw manufacturers to produce new ball screws and components. In the occasion that a ball screw is beyond restore, a manufacturer can frequently save a important volume of income by restoring it instead of replacing it. In addition to fixing a ball screw, the producer need to also provide free analysis companies for the ingredient. Reconditioning and substitution include the use of new areas, even though reloading and replacement exchange the screw.
Executing regimen servicing checks on ball screw assemblies is essential for maintaining best functionality and extending their support lifestyle. Time beyond regulation, excessive wear can guide to a selection of difficulties, like backlash, vibration, and ball bearing noise. In addition, the elevated friction boosts the necessary torque for turning a screw, triggering system failure and important downtime. To ensure that a ball screw is entirely purposeful, it must be checked for use and preserve the suitable lubrication method.
Discoloration or pitting on a ball screw indicates that it is in want of mend. The very same is accurate if there are chatter marks in the ball groove. In many cases, a ball screw wants a new lubrication seal or wipers. Furthermore, it could be lacking or more than-sporting, which could outcome in everlasting failure. Lastly, abnormal electricity attract could be a indicator of inappropriate lubrication or inappropriate installation.
Proper maintenance is essential for any device instrument. When executed effectively, equipment equipment can previous decades with continuous use. Suitable care and maintenance is vital to make sure long daily life and best functionality. In addition to improving machine instrument uptime, appropriate upkeep has an effect on the precision and repeatability of the conclude merchandise. For that reason, high quality device tool manufacturers focus on the efficiency and durability of ball screws. They create innovative designs and lubricants to optimize the lifespan of their goods.

China Good quality CNC Machine Parts Sfs Specification Size Ball Screw     with high qualityChina Good quality CNC Machine Parts Sfs Specification Size Ball Screw     with high quality

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