Qingdao Ximanuoer Import & Export Co., Ltd.

China Manufacturer with main products: Aluminum, Copper, Lead, Zinc, Wire Mesh, Sheet, Pipe

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Grinding Machines


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Specifications



Crankshaft grinding machine
Three different work speeds are obtainable by making use of the belts in the workhead.Cross chucks are used in the headstock

 and intended for use in the automobile, tractor, diesel engine works and their repair shops to grind the journals and crankpins of crankshafts.
Three different work speeds are obtainable by making use of the belts in the workhead. Cross chucks are used in the headstock and tailstock. Friction coupling is used in the headstock transmission chain for its easy adjustment. Table traverse is operated either by hand or by power. Wheelhead rapid approach and withdrawal is effected through hydraulic means. The wheel spindle being of 80mm in diameter has good rigidity and strength. Use is made of roller ways for wheelhead movement. The bed ways and wheelhead are lubricated in an automatic cycle by means of the oil pump.

 

  Model MQ8260Ax16 MQ8260Ax18 MQ8260Ax20
Max.   work  diameter  ×   Max.   length Φ 580× 1600mm Φ 580× 1800mm Φ 580× 2000mm
Capacity
 
  Max.   swing  over  table 580  mm
  Work  diameter  ground  with  steady  rest
 
Φ 30-100  mm Φ 50-120  mm
  Throw  of  crankshaft 110  mm 120  mm
  Max.   work  length  ground  in  3  jaw  chuck 
 
1400  mm 1600  mm 1800  mm
  M  ax.   work  length  ground  between  centres
 
1600  mm 1800  mm 2000  mm
  Max.   work  weight  120  kg 150  kg
Headstock
 
Centre  height  300  mm
  Work  speed  (rpm 25, 45, 95 25, 45, 65, 100
Wheelhead
 
  Max.   cross  movement
 
185  mm
Wheelhead  rapid  approach  &   withdrawal
 
100  mm
  Wheelhead  feed  per  turn  of  cross  feed  handwheel
 
1  mm
  Wheel  feed  per  grad  of  cross  feed  handwheel
 
0.005  mm
Grinding  wheel
 
Wheel  spindle  speed 740,   890  rpm
Wheel  peripheral  speed 25.6  –   35  m/sec
Wheel  size Φ 900x32xΦ 305  mm
Table
 
Table  traverse  per  turn  of  handwheel  coast
 
5.88  mm
Table  traverse  per  turn  of  handwheel  fine
 
1.68  mm
Table  swivel  (taper  18/100
Table  swivel  per  grad  of  scale  (taper  1: 50)
 
10'
Overall  capacity  of  motor  9.82  kw 11.2  kw
Overall  dimension  (LxWxH)  4166x2037x1584 mm 4900x2037x1584mm
  Weight  6000  kg 6200  kg 7000  kg
Working
Accuracy
 
Ovality  (new  standard 0.005
Cylindricity 0.01
Roughness  Ra 0.21

 

 

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