20mm bi-directional ball screw consists of a high quality screw shaft with a left and right thread and two ballnuts.This is a good choice when you need to move two ballnuts in opposite directions through a motor.
●ALM 20mm Bi-directional Ball Screw Basic Information
Diameter | 20mm |
Material | Gcr15(HRC60~62),9Cr18(HRC55~58) |
Accuracy | C1,C3,C5,C7(JIS standard) |
Axial play | 0~0.005mm(Can be zero) |
Preload | P0,P1,P2,P3,P4 |
Efficiency | >90% |
Features | Clean and smooth,excellent surface finsh |
Certificates | ISO9001:2015,CE certificate,RoHS and reach compliance |
●ALM 20mm Bi-directional Ball Screw Advantages:
More efficient and cost-effective.
High positioning accuracy and long service life.
Clean and smooth and have excellent surface finish.
●ALM 20mm Bi-directional Ball Screw Intelligent Manufacturing and Inspection
●ALM 20mm Bi-directional Ball Screw Applications
20mm bi-directional ball screw has various applications.The following pictures show the common applications of the bi-directional ball screw.
Robot industry
Semiconductor industry
Medical industry
Machine tools
Aeronautics and astronautics
Industries and machinery