Main characteristics of this machine tools
★This machine tools is mainly used for grinding of internal hole, stepped hole, internal tapered hole of work piece.
★Feed and compensation of machine tools is executed by two non-interference drive mechanisms. The feed system has the function of fixed-stroke grinding and adopts manual or hydraulic feed method.
★The machine tools is equipped with fast hopping mechanism. Therefore, the tools does not need to be adjusted after the grinding wheel is withdrawn for measurement or dressing.
★The work table is started by hydraulic switch valve to ensure instant security during assembly and disassembly of work piece.
★In case of a special order, the machine tools can be equipped with high-speed grinding wheel spindle of 1800r/min to adapt to the grinding requirement of 20〜50mm hole.
Specification parameter list
| Model of machine tools | M2120A | |
|---|---|---|
| Grinding aperture（mm） | ф50-ф200 | |
| Maximum grinding depth（mm） | 200 | |
| Swing diameter of work piece（mm） | Inside the shell (mm) | ф400 |
| Outside the shell (mm) | ф600 | |
| Maximum rotation angle of headstock（°） | 30° | |
| Rotating speed of work piece（r/min） | 100-500（stepless ） | |
| Rotating speed of grinding wheel（r/min） | 4000-6000、8000-11000 | |
| Total power of machine tools（kw） | 8.6 | |
| Power of work piece motor（kw） | 2.2 | |
| Power of grinding wheel motor（kw） | 4 | |
| Outline dimension of machine tools（mm） | 3100×2120×1320 | |
| Weight of machine tools（kg） | 3400 | |
| Working accuracy (according to standard specimen) | Roundness of internal hole（μm） | 3 |
| Cylindricity of internal hole（μm） | 5 | |
| Surface roughness of internal hole（μm） | Ra0.63 | |
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