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Help CenterHJMTC Manual MQ8260*30 Crankshaft Grinder
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MQ8260X30 is mainly used for grinding cranshaft of max. 3000 mm, max. diameter ,600 mm.
The synchro motors are employed on the headstock and tailstock for low deformation;
Specification:
| Capacity | |||
| Max. workpiece length | 3000 mm | ||
| (in 3-jaw chucks) | 2800 mm | ||
| distance between centers | 3100 mm | ||
| max. swing over table | Ø600 mm | ||
| workpiece weight | 600-1000Kg | ||
| work diameter ground with steady rest | Ø30-200 mm | ||
| Throw of crankshaft | 120 mm | ||
| Headstock | |||
| center height | 300 mm | ||
| work speed |
25 r/min, 95 r/min, stepless |
||
| Wheel head | |||
| max. cross movement | 185 mm | ||
| wheel head rapid approcah& withdraw |
260 mm | ||
| wheel feed | per turn of cross handwheel | 0.005 mm | |
| per grade of cross handwheel | 1 mm | ||
| Grinding wheel | |||
| wheel spindle speed | 740 r/min, 890 r/min |
||
| wheel peripheral speed | 25.6-35 r/min | ||
| wheel size | Ø900×65×Ø305 mm | ||
| Working table | |||
|
table traverse per turn |
coarse | 5.88 mm | |
| fine | 1.68 mm | ||
| overall capacity of motors | 35 KW | ||
| overall dimension(L×W×H) | 9450×2200×1584mm | ||
| weight | 14500 Kg | ||
| working accuracy |
ovality (new standard) |
0.075 mm | |
| roughness | Ra0.32 | ||
| cylindricity | 0.01 mm | ||
Quality certificate:
The machine and the accessories are packed in the fumigated seaworthy firm wooden package shown above.
Full range of logistcs service are provided by the long-term logistcs service partners(or customer appointed) .
Shaanxi Hanjiang Machine Tool Co.,Ltd. is a professional high precison thread grinding machine developer and manufacturer, our main products : high precision thread grinding machines(internal and external thread ); ballscrews; linear motion guides; screw rotors and air ends for air compressors, etc.
With more than 45 years experince in our field, we developed series of grinding machines for ball screw shaft , spline shaft, ballscrews(steering) nut,crankshaft, surface, wormshaft, thread gauges(ring gauges & plug gauges), taps,etc. special purpose machines are welcomed by the users world wide.
Ball screws, Linear motion guides. rolling blocks are also widely adopted by the user in globe.
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