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Quick Details

  • Condition: New
  • Type: Other
  • CNC or Not: Normal
  • Place of Origin: Shaanxi, China (Mainland)
  • Model Number: MQ8260A
  • After-sales Service Provided: Engineers available to service machinery overseas

Packaging & Delivery

Packaging Details woodcase

MQ8260A is modified on the base of the Model MQ8260A 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.

Max.   work  diameter  ×   Max.   lengthΦ 580× 1600mmΦ 580× 1800mmΦ 580× 2000mm
  Max.   swing  over  table580  mm
  Work  diameter  ground  with  steady  rest
Φ 30-100  mmΦ 50-120  mm
  Throw  of  crankshaft110  mm120  mm
  Max.   work  length  ground  in  3  jaw  chuck 
1400  mm1600  mm1800  mm
  M  ax.   work  length  ground  between  centres
1600  mm1800  mm2000  mm
  Max.   work  weight 120  kg150  kg
Centre  height 300  mm
  Work  speed  (rpm25, 45, 9525, 45, 65, 100
  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  speed740,   890  rpm
Wheel  peripheral  speed25.6  –   35  m/sec
Wheel  sizeΦ 900x32xΦ 305  mm
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)
Overall  capacity  of  motor 9.82  kw11.2  kw
Overall  dimension  (LxWxH) 4166x2037x1584 mm4900x2037x1584mm
  Weight 6000  kg6200  kg7000  kg
Ovality  (new  standard0.005
Roughness  Ra0.21


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China (Mainland) | Manufacturer, Trading Company
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