China Hot selling CZPT Precision Ball-Grinding Screw with Large Stroke (TXM Series, Lead: 5mm, Shaft: 14mm) with Great quality

Merchandise Description

TXM Sequence:Sleeve Sort Single Nut Precision Ball Screw (C3/C5)  

Accuracy class and axial clearance

Accuracy grade of TXM series sleeve type single nut precision ball screw are based on C3 and C5(JIS B 1192-3). In accordance to accuracy grade,Axial play (Preload:C3) and .005mm or considerably less (C5).

Material & Surface Hardness

TXM sequence (sleeve kind one nut precision ball screw) of screw shaft screw materials S55C (induction hardening),nut substance SCM415H (carburizing and hardening), the floor hardness of the ball screw portion is HRC58 or higher.


1. Medical business
two.Lithium battery market
3.Solar photovoltaic sector
four. Semiconductor Business
5. General market equipment
6. Device tool
seven. Parking technique
eight. Substantial-speed rail and aviation transportation gear
9. 3C sector and so on

Shaft Finish Form

The shape of the shaft stop of the TXM collection : the sleeve variety one nut precision ball screw) has been standardized.

Complex Drawing

Specification Listing


Manufacturing unit Thorough PROCESSING Photographs

High Good quality Management Program


one. Why choose CZPT China?

  Over the past seventeen years, CZPT has usually insisted that "products and companies" commence from Japanese business expectations,having ZheJiang specifications as the bottom line, actively commit in the development of new transmission parts and self-experiment and examination. With the provider tenet of "exceeding client anticipations", create a "reliable" partnership.

two. What is your principal products ?

We are a leading manufacturer and distributor of linear movement elements in China. Specifically miniature measurement of Ball Screws and Linear Actuators and linear motion guideways.  Our model "KGG" stands for " Know-how," " Great Top quality," and " Great worth"  and our manufacturing facility is situated in the most superior  city in China: ZheJiang  with the ideal equipment and sophisticated technologies, fully strict quality handle method. Our intention is to supply entire world leader course linear movement elements but with most sensible price tag in the globe.

three. How to Customized-manufactured (OEM/ODM)?

If you have a product drawing or a sample, please send to us, and we can custom-made the as your necessary. We will also provide our expert advices of the items to make the design to be a lot more understood & improve the efficiency.

4. When can I get the quotation?
 We usually estimate inside of 24 hrs right after we get your inquiry. If you are quite urgent to get the value,make sure you get in touch with us or inform us in your e-mail so that we will regard your inquiry precedence.

five. How can I get a sample to check out the quality?

 After confirmation of our quoted price, you can place the sample buy. The sample will be commenced right after you signal back again our thorough technological file. 

six. What's your payment phrases?

  Our payment conditions is thirty% deposit,harmony 70% before shipment.

Specifying a Ball Screw

When you need a high-good quality ball screw, it is important to select one particular with the correct dimensions and specifications. When you are searching for the best item, you ought to take into account features this kind of as preloading, surface complete, and inner return system. You can understand far more about these functions in this article. If you're not sure which sort of ball screw to choose, contact a respected supplier for further direction. To discover the greatest item for your needs, simply click right here!


When specifying a Brinelling ball screw, it is crucial to know how much axial load it can safely bear. The static load potential, which is offered in the catalogue, applies only to pure axial loading, and any radial load that is smaller than 5% of the axial load is not going to pose a difficulty. For a lot more info, get in touch with a CZPT engineer. Brinelling ball screw services life calculation should be carried out employing the subsequent information:
Preload: The sum of load a ball screw can take care of throughout a one revolution. Preload is the load utilized just before the ball screw starts shifting, and the load is usually among 5 and 10 percent of the dynamic ability. Even so, a ball screw that is subject matter to vibration will experience increased preload, demanding much more repeated lubrication. The ensuing mechanical stress might trigger the ball screw to buckle, or result in the nut to re-flow into the balls.
Critical ball speed: The optimum pace at which the ball can shift by means of the ball nut is referred to as the essential ball velocity. In distinction, running the ball screw at its crucial shaft velocity can lead to excessive vibrations, foremost to premature failure of the end assist bearings and brinelling of the ball track. Hence, it is recommended to work a ball screw at a reduce velocity than the essential ball velocity to avoid brinelling and plastic deformation of the balls.
False brinelling: False brinelling is a form of Fretting. Fake brinelling takes place when the bearings are not rotating. The movement will result in depressions or use marks in the bearing raceway. This will trigger sounds, put on, and eventual fatigue. If these circumstances persist, a more recent ball screw must be used to test the method. The device must be run for a number of hrs and examined just before replacing the bearing.


The procedure of preloading ball screws minimizes backlash by implementing pressure to the threads in the opposite route of the screw's path of rotation. It prevents any motion of the screw relative to the nut. Different approaches are utilized for preloading. A typical 1 is to use oversized balls inside the ball nut. A double nut technique might also be utilised. Each strategies are similarly efficient. Regardless of the approach employed, the stop end result is the same - minimal backlash and improved performance.
In the standard technique of preloading ball screws, the motors function concurrently in reverse directions, creating them to have a relative motion of around equal magnitudes. This decreases the frictional resistance of the technique, ensuing in fast traverse. The system is capable to operate with minimal backlash during one hundred ten inches of journey, lowering the warmth created by the travel nuts and the difficulties linked with ball screw heating. In addition, this strategy can be utilized in a vast variety of purposes.
Another approach of preloading ball screws is acknowledged as the ball-choose strategy. This approach contains the use of above-sized balls that drive the balls into much more contacts with the screw and nut than a regular ball screw. The advantage of this technique is that it minimizes backlash due to the fact the balls are not machined to higher tolerances. The disadvantage of this method is that the ball screw will price a lot more to manufacture than a common ball screw and nut.
A traditional design and style consists of a mechanical mechanism that uses a collection of balls to rotate a shaft. The difficulty of backlash is exacerbated by the mass of the shaft. The mechanical system is much more sophisticated than needed and usually needs a lot of hard work. The existing creation gets rid of these issues by supplying an enhanced strategy and apparatus for driving ball screws. This method offers a a lot more efficient preload drive that is dynamically adjustable even though the system is operating. The method can also enhance friction and dress in.

Inside return technique

There are two diverse types of ball screws. The 1st sort is external and the next is inner. The external kind uses return tubes that protrude from the ball nut and prolong over and all around the outdoors of the screw. The inner sort employs a single tube that spans the ball monitor, although the far more common layout uses several tubes spanning 1.5 to 3.5 ball tracks. The interior program requires a single return tube and several pickup fingers that manual the balls into the tubes.
The external return tube style is an less complicated, considerably less expensive decision. The exterior ball return program has limited place but can deal with a extensive assortment of shaft diameters and qualified prospects. Nonetheless, its actual physical dimension helps make it incompatible with numerous higher-velocity purposes. Therefore, cautious thing to consider should be given to the mounting alternatives. Inside ball return methods are very best suited for small qualified prospects and ball dimensions. These that need to have a high pace will most likely gain from the exterior ball return program.
Internal ball screw technological innovation has also stored speed with the demands of linear push methods. Ball screw technological innovation is now far more resilient than ever. Robust interior ball return systems circulate ball bearings via a sound pickup pin. These deflectors assist the balls return to the screw in the correct location. They are critical parts in computer-managed movement handle programs and wire bonding. If you might be fascinated in the newest advancements in linear screw technology, get in touch with us nowadays.
Ball screws are outstanding to direct screws in several ways. Ball screws are far more productive than lead screws, changing 90% of rotational motion into linear motion. As a end result, they are much more pricey than guide screws and acme screws. They also provide a smoother movement more than the complete vacation variety. In addition, they demand significantly less electrical power for the same overall performance. It truly is no wonder that the ball screw is so well-known in numerous diverse programs.

Floor finish

The surface area end of a ball screw is 1 of the key aspects in determining the performance of the program. A ball screw with a very good surface area end has superior overall performance in rolling resistance, backlash, and put on traits. However, it is vital to enhance the floor end of a ball screw to obtain precision movement, minimal put on, and reduced noise. To achieve this, special wire brushes will be utilized to polish precision-floor shafts.
For a ball screw to complete effectively, it need to be tough, have a smooth area, and keep lubricant. The surface complete of a ball screw should be clean, free of cracks, and retain the lubricant properly. Cracks and annealing are each unwanted for the duration of the producing process, so a quality machine must be utilized for its area finish. During the production approach, a CBN reducing insert with full spherical or gothic arch profile can be utilised to achieve a large-good quality area complete.
One more finishing procedure utilized in the manufacture of ball screws is lapping. Lapping improves surface good quality and travel variation. It involves sophisticated relative actions of abrasive particulates with the workpiece. This removes a slim layer of materials from the workpiece, improving its floor good quality and dimensional precision. The lapping process can be carried out below low-strain situations. It also improves the friction torque and lubrication.
In lapping experiments, friction torque has the biggest influence on journey variation and floor roughness. A friction torque of about a single N x m is optimum. In addition, rotational pace has only a minimal impact. The very best mix of these parameters is 1-1.5 N x m and 30 rpm. The minimum floor finish of a ball screw is close to 800 mesh. The smallest variation in travel is noticed at close to 50 percent-way via the journey.


Suitable lubrication of ball screw assemblies is critical to preserve ideal performance and lifestyle. Ball screw assemblies ought to be lubricated with grease, which is launched straight into the ball nut. The lubrication port can be situated at different areas on the item, such as on the flange or in the exterior threads of the ball nut. Some ball nuts also characteristic a zerk fitting for less difficult lubrication.
The lubrication of ball screws is needed in the scenario of operating conditions over 100oC. The bare minimum load for a ball screw is usually recognized with a preload pressure. The lubricant is conveyed via the narrow lubrication hole thanks to the relative movement of the two surfaces. The improved viscosity of the lubricant permits separation of the make contact with surfaces. To avoid in excess of-lubrication, it is essential to check out the lubricant stage regularly.
The oil employed in lubrication of ball screw assemblies can be possibly mineral or synthetic. The oil is composed of mineral or synthetic oil, additives, and a thickening agent, such as lithium or bentonite. Other thickening agents consist of lithium, barium complexes, or aluminum. The lubricant grade NLGI is a extensively used classification for lubricating greases. It is not ample to select a certain sort of lubricant for a particular software, but it provides a qualitative measure.
Even with being important to the performance of a ball screw, lubrication is also crucial to its lifespan. Diverse varieties of lubricant offer corrosion defense. Before making use of a lubricant, make sure to extensively clean and dry the ball screw. If there is any buildup of grime, it may damage the screw. To stop this from happening, you can use a solvent or lint-free of charge fabric. Lubrication of ball screw assemblies can greatly lengthen the life of the assembly.

China Hot selling CZPT Precision Ball-Grinding Screw with Large Stroke (TXM Series, Lead: 5mm, Shaft: 14mm)     with Great qualityChina Hot selling CZPT Precision Ball-Grinding Screw with Large Stroke (TXM Series, Lead: 5mm, Shaft: 14mm)     with Great quality

Recent Posts