Ball Screws

Custom Screws Manufacturer


Ball Screws


Heatfastener is an ISO 9001:2015 manufacturer specializing in the Global supply of ball screws, lead screws, security screws, SEMS screws, micro screws, custom screws, thumb screws, Chicago screws, custom bolts, custom fasteners, etc.

All of the products are widely used in the medical, instrumentation, aerospace, maritime, microwave, electronics, and chemical equipment industries, we have designed and manufactured key components for world-famous enterprises and are committed to providing our customers with high-quality products, high-level services, and continuous improvement

With ISO9001:2008,iso14001:2004, and especially IAFT16949:2009 certification for the automotive industry. Heatfastener offers fully customized custom bolts and screws according to your needs. We can bring your fastener design to reality, and everything according to your requirements.

ball screws

What is a ball screw?

The ball screw drive is an assembly that converts rotary motion to linear motion (or vice versa). It consists of a ball screw and a ball nut packaged as an assembly with recirculating balls. The interface between the ball screw and the nut is made by balls that roll in matching ball forms. With rolling elements, the ball screw drive has a low friction coefficient (typically up to 98%). The forces transmitted are distributed over a large number of balls, giving a low relative load per ball comparatively. They are made to shut resistances as well as are for that reason ideal for usage in circumstances in which high accuracy is required. As opposed to traditional leadscrews, ballscrews often tend to be instead cumbersome, because of the demand to have a device to recirculate the ball.

One more kind of direct actuator based upon a revolving pole is the threadless ballscrew, a.k.a. “rolling ring drive”. In this layout, 3 (or even more) rolling-ring bearings are organized symmetrically in a real estate bordering a smooth (threadless) actuator pole or shaft. The bearings are evaluated an angle to the pole, and also this angle figures out the instructions as well as the price of straight activity per change of the pole. A benefit of this layout over the traditional ballscrew or leadscrew is the functional removal of reaction and also loading brought on by preload nuts.

What are ball screws application?

Ball screws are used in a wide array of linear motion applications across multiple industries. They are one of the most economical ways of converting rotary motion into precision linear motion and can move heavy loads at fast speeds with outstanding accuracy. While these devices provide numerous hours of smooth, trouble-free operation, they must be properly specified, installed and regularly maintained to avoid system downtime and premature failure.

Ball screws are used in aircraft and missiles to move control surfaces, especially for electric fly by wire, and in automobile power steering to translate rotary motion from an electric motor to axial motion of the steering rack. They are also used in machine tools, robots, and precision assembly equipment. High precision ball screws are used in steppers for semiconductor manufacturing.

Benefits of Ball screws

Reduced rubbing in balls screws generates high mechanical performance contrasted to options. A regular ball screw might be 90 percent effective, versus 20 to 25 percent performance of an Acme lead screw of equivalent dimension. The absence of moving rubbing in between the nut and also the screw provides itself to the expanded life expectancy of the screw setting up (particularly in no-backlash systems), minimizing downtime for upkeep and also components substitute, while additionally lowering the need for lubrication. This, integrated with their general efficiency advantages and also lowered power demands, might counter the first prices of using round screws.
 Ball screws might additionally minimize or get rid of reaction typical in lead screws and also nut mixes. The ball might be preloaded to make sure that there is no “shake” in between the ball screw and also the ball nut. This is specifically preferable in applications where the lots on the screw differ rapidly, such as maker devices.

Ball screws Vs Lead Screws

A leadscrew (or lead screw), also known as a power screw or translation screw, is a screw used as a linkage in a machine, to translate turning motion into linear motion. Because of the large area of sliding contact between their male and female members, screw threads have larger frictional energy losses compared to other linkages. They are not typically used to carry high power, but more for intermittent use in low power actuator and positioner mechanisms. Leadscrews are commonly used in linear actuators, machine slides (such as in machine tools), vises, presses, and jacks.Leadscrews are a common component in electric linear actuators.Leadscrews are manufactured in the same way as other thread forms (they may be rolled, cut, or ground). A lead screw is sometimes used with a split nut (also called half nut) which allows the nut to be disengaged from the threads and moved axially, independently of the screw’s rotation, when needed (such as in single-point threading on a manual lathe). A split nut can also be used to compensate for wear by compressing the parts of the nut.
A hydrostatic leadscrew overcomes many of the disadvantages of a normal leadscrew, having high positional accuracy, very low friction, and very low wear, but requires a continuous supply of high-pressure fluid and high precision manufacture leading to significantly greater cost than most other linear motion linkages.

The key difference between a ball screw and a lead screw is in the way the load is carried between the moving surfaces. A ball screw uses recirculating ball bearings to minimize friction and maximize efficiency while a lead screw depends on low coefficients of friction between sliding surfaces

Heatfastener is a custom ball screws and lead screws manufacturer and supplier, Materials can be stainless steel, brass, titanium, copper, aluminum, we can customize depending on the application

Need Custom Screws for Your Industry?

As a 20-year industry experience manufacturer with a factory equipped with precision machines, we can provide, from consultation to production, a one-stop solution for you.

About Us

Shenzhen Heat Hardware Co., Ltd is a leading custom screw manufacturer in China founded in 2000 years. We are specializing in custom screws, security screws, Sems screws, Chicago Screws, Weld Screws, Long screws, Micro Screws, Thumb Screws, Set Screws, Custom bolts, carriage bolts, nuts, and other custom Fasteners. With more than 20years of industry experience. We have serviced over 20000customers including the aerospace industry, automotive industry, electronics, mechanical and electrical products, robots, the Medical industry, communications industry, Outdoor sports products, smart appliances, etc. we can provide one-stop fastener customized service for you no matter what kind of custom fastener you need.

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