Belt Driven Spindles External Grinding
PMK Belt Driven Spindles for External Grinding are engineered for stability, precision, and consistent torque delivery in cylindrical and surface grinding operations.
These spindles feature high-accuracy bearings, rigid housings, and dynamically balanced shafts that maintain precise alignment at speeds up to 18,000 rpm. Designed for long life and smooth performance, they integrate easily into both new and retrofit grinding machines used in toolrooms or production environments.
Key benefits
- Performance: supports spindle speeds from 6,000 to 18,000 rpm for external and surface grinding applications.
- Precision: dynamically balanced construction ensures superior surface finish and minimal runout.
- Reliability: grease-lubricated bearings enable continuous-duty operation with low maintenance requirements.
- Versatility: available in body diameters from Ø50 to Ø120 mm, suited for varied grinding machine setups.
- Durability: precision-ground components and robust housings resist thermal deformation and wear.
Applications
- External cylindrical grinding of shafts, rollers, and precision components.
- Surface and profile grinding operations.
- Toolroom, bearing, and component finishing industries.
- CNC or conventional grinding machine integration.
Specifications
| SPINDLE TYPE | A(h5) | B | k | L | M | f | Z | b | N | SW | du | STEEL RPM | HYBRID RPM |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 50EGB | 50 | 250 | 15 | 20 | M12x1 | 7 | 3 | 10.5 | 8 | 13 | 8 | 10500 | 15000 |
| 60EGB | 60 | 250 | 20 | 25 | M16x1 | 10 | 3 | 10.5 | 9 | 17 | 10 | 8500 | 12000 |
| 80EGB | 80 | 315 | 28 | 35 | M20x1 | 12 | 4 | 14 | 12 | 24 | 14 | 6500 | 8000 |
| 100EGB | 100 | 355 | 38 | 52.5 | M30x1 | 12.5 | 4 | 17 | 15 | 32 | 20 | 5500 | 6000 |
| 120EGB | 120 | 400 | 52 | 65 | M36x1 | 17.5 | 5 | 28 | 18 | 46 | 25 | 4500 | 5000 |
| 140EGB | 140 | 630 | 56 | 75 | M40x1.5 | 17.5 | 5 | 32.5 | 18 | 48 | 30 | 3500 | 4000 |
| 160EGB | 160 | 630 | 87 | 110 | M65x1.5 | 20 | 6 | 33.5 | 21 | 60 | 35 | 2500 | 3000 |
| 200EGB | 200 | 630 | 87 | 110 | M65x1.5 | 20 | 6 | 35 | 24 | 75 | 40 | 1500 | 2000 |
* Specifications subject to change. Contact us for the latest datasheet and custom configurations.
Notes
- Direction of rotation to be specified by customer.
- All spindles grease lubricated for life.
- Higher speed spindles can be made with oil mist lubrication as per customer requirement.
- Length of spindle can be made as per customer requirement.
- Flange mounted spindles can be made as per customer requirement.
- All dimensions are in millimeter.
* Refer Disclaimer policy for more details.
