High-Speed Ball Screw for Machine Tools BSM
September 20, 2019
With high-speed performance that exceeds prior full ball standards, the BSM achieves even higher load capacity.
Feature 1: High-speed performance
Significantly improves the DN value with a newly developed circulation structure.
DN value greatly improved from 130,000 in
conventional products to 170,000. Utilizes a large
lead to meet high-speed performance demands.
Maximum feed speed of 121 m/min (for the BSM4030-6)
Maximum Feed Speed
| Screw shaft outer diameter （mm）(mm) | Lead （mm） Unit: m/min | |||
|---|---|---|---|---|
| 16 | 20 | 25 | 30 | |
| φ36 | - | 90 | - | - |
| φ40 | 65 | 81 | 101 | 121 |
| φ45 | 58 | 73 | 90 | - |
| φ50 | 52 | 66 | 82 | 98 |
| φ63 | 41 | - | - | - |
Feature 2: Design that responds to the performance needs of machine tools
Improves load capacity through the groove design.
The BSM improves load capacity with a unique groove design and double groove structure.
Feature 3: Compact with high rigidity
Achieves higher rigidity and a more compact nut diameter than our conventional products.
The BSM-B conserves space with a slimmer nut compared to our conventional products. Rigidity was also improved by extending the overall length and increasing the number of loaded circuits.
Product Structure
BSM Lineup
| Screw shaft outer diameter | Lead | |||
|---|---|---|---|---|
| 16 | 20 | 25 | 30 | |
| φ36 | - | 〇 | - | - |
| φ40 | ● | ●〇 | ●〇 | ●〇 |
| φ45 | ● | ●〇 | ●〇 | - |
| φ50 | ● | ●〇 | ●〇 | ●〇 |
| φ63 | ● | - | - | - |
●：BSM ◯：BSM-B(Slim Nut Type)