A ball screw rod is a mechanical device for translating rotational motion to linear motion. A threaded shaft provides a spiral raceway for ball bearings which act as a precision screw. As well as being able to apply or withstand high thrust loads they can do so with minimum internal friction. They are made to close tolerances and are therefore suitable for use in situations in which high precision is necessary. The ball assembly acts as the nut while the threaded shaft is the screw.
Ball screw shafts may be fabricated by rolling, yielding a less precise, but inexpensive and mechanically efficient product. Rolled ball screws have a positional precision of several thousandths of an inch per foot. High-precision types are ground, and are typically precise to one thousandth of an inch per foot or better. Then the product is divided into two types:
1. Precision Class Ball Screw Rods
Capable of supplying a complete series of precision class ball screws, including ground ball screws(C3 & C5 accuracy) and ball screw support units. The high precision, high quality ball screws are worth your trust.
2. General Class Ball Screw Rods
Capable of supplying a complete series of general class ball screws, including ground ball screws(C7 & C10 accuracy) and ball screw support units.
· Smooth action-no stick slip
· Precision-made nut for accurate assembly
· High efficiency-90%
· Excellent repeatability
· Smooth preload torque