CM870
CM-870 CNC Engraving and Milling Machine
CM series engraving and milling machine with 18000/24000 rpm spindle options for high-gloss mould, copper electrode and watch parts.
Product Description
Application
The CM-870 belongs to the CM series precision engraving and milling machines, built for precision mould machining, one-time completion of mould core electrode machining, mould insert steel parts and batch processing of product parts in watch and gas industries. This model is part of our CM Series CNC Engraving & Milling Machine range; see the series page for the full model list.
Machine Features
- High-quality resin sand castings, gantry frame structure, good rigidity and fast stability, equipped with 18000/24000/30000 rpm electric spindles for various high-gloss engraving and milling requirements.
- Fully enclosed outer protection effectively controls leakage of atomized cutting fluid.
- X, Y, Z three-axis linear guides.
- Optional oil mist collector to reduce oil mist leakage.
- Standard Mitsubishi E80 system for higher efficiency (Syntec optional).
- Standard electrical box heat exchanger without fans, avoiding oil entering the electrical box.
- Standard automatic tool length measurement system (tool setter).
- Standard ER32 spindle, optional BT30; models above 870 can be equipped with BT40 electric spindle.
Optional Accessories
- 4th-axis rotary worktable
- 5-axis turntable
- Automatic tool changing system (bamboo hat magazine)
- Oil mist collector
- BT40 electric spindle
Technical Parameters
| Parameter | Unit | Value |
|---|---|---|
| Sliding saddle stroke (X-axis) | mm | 700 |
| Worktable travel (Y-axis) | mm | 800 |
| Spindle box travel (Z-axis) | mm | 330 |
| Distance from spindle end face to worktable | mm | 50-380 |
| Gantry width | mm | 760 |
| Worktable dimensions | mm | 800x700 |
| Worktable load capacity | kg | 500 |
| T-slot size (pcs*mm*spacing) | 5-16-115 | |
| Tool handle specifications | ER32/BT30* | |
| Installation diameter | mm | Φ140 |
| Speed range | r/min | 500~18000/24000 |
| Output torque | N.m | 9 |
| Spindle motor power | kW | 8/11 |
| Range of cutting feed rate | m/min | 10 |
| X/Y/Z-axis fast movement speed | m/min | 15/15/15 |
| Tool capacity | 12 | |
| Maximum tool diameter/length/weight | mm/mm/kg | 16/200/8 |
| Tool selection method | Random (optional) | |
| Positioning accuracy (X/Y/Z) | mm | ±0.003/300 |
| Repetitive positioning accuracy (X/Y/Z) | mm | ±0.002/300 |
| Machine tool dimensions (approx.) | mm | 2400*2000*2600 |
| Total electrical capacity | KVA | 12 |
| Whole machine weight (approx.) | kg | 3800 |
Technical Specifications
| Sliding saddle stroke (X-axis) | 700 mm | Worktable travel (Y-axis) | 800 mm |
| Spindle box travel (Z-axis) | 330 mm | Distance from spindle end face to worktable | 50-380 mm |
| Gantry width | 760 mm | Worktable dimensions | 800x700 mm |
| Worktable load capacity | 500 kg | T-slot size (pcs*mm*spacing) | 5-16-115 |
| Tool handle specifications | ER32/BT30* | Installation diameter | Φ140 mm |
| Speed range | 500~18000/24000 r/min | Output torque | 9 N.m |
| Spindle motor power | 8/11 kW | Range of cutting feed rate | 10 m/min |
| X/Y/Z-axis fast movement speed | 15/15/15 m/min | Tool capacity | 12 |
| Maximum tool diameter/length/weight | 16/200/8 | Tool selection method | Random (optional) |
| Positioning accuracy (X/Y/Z) | ±0.003/300 mm | Repetitive positioning accuracy (X/Y/Z) | ±0.002/300 mm |
| Machine tool dimensions (approx.) | 2400*2000*2600 mm | Total electrical capacity | 12 KVA |
| Whole machine weight (approx.) | 3800 kg |
