Ball screws have a reputation

As many people PP Hollow Ball know a ball screw is not a simple apparatus. A ball screw is usually larger than a lead screw, because it has parts operating inside the shell of the ball screw nut. Ball screws are known to have long lifespan, and known to be very accurate.

Many ball screws may be operated in reversed, or back-driven. To prevent this factory craftsmen always avail of bellows and other methods in order to ensure that no small particles becoming fixed within the mechanism.

Ball screws have a reputation of being exceptionally accurate as they are manufactured to close tolerances.

A ball screw is a clever tool that allows a rotational screwing motion to be turned into a linear motion. This is possible due to the low friction contained within the ball screw, which prevents the components from jamming. In fact there are a number of components with the whole thing being called a ball screw assembly.

. This means that when typically the machine would be creating a turning energy and getting linear motion as an output, the user can also start out with a straight line movement and generate turning forces. An additional consequence is that the ball screw apparatus erodes over a longer period of time. As a result of this they are used in areas that require high levels of precision, for example in robotics. Within the casing of a ball screw nut a number of ball bearings which roll through the threaded interior of the barrel. The two principal parts of a ball screw assembly would be the nut and the screw. Another application of these tools is in steppers, which are used to make semiconductors. The ball bearings in the ball screw nut must be free to move along the grooves and any tiny speck of dust can affect their smooth motion. Unfortunately this performance will be reduced if particles become lodged in the mechanism. Very little friction is generated during this process, and therefore there is a low level of energy loss.

It should be ensured that it is impossible for particles of dirt to get into the interior of the ball screw