DDU-301 / DDU-301P
Rotary Table for CNC Grinding Machine(C Axis)
DDU-301 / DDU-301P
Built-in(Spindle down)
- Direct motor drive, no backlash.
- Suitable for simultaneous machining, applied to rotary table for grinding head (C axis).
- Reserved cooling grooves, customers can add cooling circuit to the body.
- Min.division degree: 0.001 degree.
- Install various encoders according to accuracy requirements.
| Popular Model | ◎ | ◎ | |
|---|---|---|---|
| Specification | DDU-301-RBGD | DDU-301-NNK3 | DDU-301P-NNK3 |
| Use Method | Built-in, Spindle down | Built-in, Spindle down | |
| Cooling | cooling groove | cooling groove | |
| Clamp method | No brake | Pneumatic 5kg/cm2 | |
| Spindle Through Hole Diameter | Ø40mm | Ø40mm | |
| Spindle Endface Diameter | Ø70x15L mm | Ø70x15L mm | |
| Solenoid valve and detection | NO | External connection required | |
| Maximum Speed (1 sec.) | 150rpm | 150rpm | |
| Continuous Speed | 75rpm | 75rpm | |
| Maximum Current (1 sec.) | 13.5A / Cooling 22.5A | 13.5A / Cooling 22.5A | |
| Cont.Current | 4.5A / Cooling 9A | 4.5A / Cooling 9A | |
| Maximum torque (1 sec.) | 171Nm / Cooling 228Nm | 171Nm / Cooling 228Nm | |
| Cont.torque | 57Nm / Cooling 114Nm | 57Nm / Cooling 114Nm | |
| Minimum Increment | 0.001° | 0.001° | |
| Signal format | Biss-C | Absolute (NIKON) | Absolute (NIKON) |
| Resolution | 26 bit | 22 bit | 22 bit |
| Positioning accuracy | ±20 (Arc.Sec.) | ±20 (Arc.Sec.) | ±20 (Arc.Sec.) |
| Repeatability | within 10 Arc.Sec. | within 15 Arc.Sec. | within 15 Arc.Sec. |
| Clamping Force | NO | 85kgf-m | |
| Net weight | 48kg | 52kg | |
- 1. The cooler is provided by customer.
unit: mm
| DDU-301/ DDU-301P |
total width(A) | total height(C) | Spindle through hole(K) | Spindle outer diameter(H) | Spindle length(L) |
|---|---|---|---|---|---|
| No faceplate | 317 | 232 | Ø40 | Ø122 | 231.5 |
