Return-tube Ball Screw
In the return-tube system,balls rolling between the nut and the shaft are picked up from the screw groove by the end of the return-tube built into the ballnut.Then,they flow back through the return-tube to the screw groove.
ALM Return-tube Ball Screw Basic Information
| Diameter | Miniature ball screw:3~16mm,large ball screw:16mm~120mm |
| Pitch | Miniature ball screw:0.5~20mm,large ball screw:20~32mm |
| 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 provides custom service,ball screws can be manufactured according to customer requirements. | |
●ALM Return-tube Ball Screw Advantages:
Clean and smooth;
Excellent surface finish;
More efficient:more than 90%;
High positioning accuracy:C1,C3,C5;
●ALM Return-tube Ball Screw Intelligent Manufacturing and Inspection
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