Product Name: Crankshaft Grinding Machine (MQ8260B) Model NO.: MQ8260B Trademark: SJMC Transport Package: Wooden Case Specification: 4300x2200x1900mm Origin: China HS Code: 8460191000 Product Description MQ8260B & MQ8260B/6 crankshaft are simple in construction, easy in operation and wide in application; Suitable for grinding crankshaft pins and journals. It can also be used as cylindrical grinder.The machine is controlled by mechanical, electric and hydraulic means; Operated mainly by hand.Left right chucks are crisscross and adjustableWorkpiece is held by centers or by chucks, driven by workhead motor, and feed by hand for grinding.The worktable consists of upper and lower parts, and upper part having the inclined worktable-surface at 10° ( only for MQ8260B/6)Longitudinal worktable travel is realized by manual-drive or motor-drive, with the motor drive for jump displacement or adjustment.The max. Wheel, worktable, coolant pump and oil pump are driven by their individual motors.Worktable and wheelhead have the hydraculic and electric interlocking mechanism, ensuring the safely even if misoperation whether in adjustment or in the process ofGrinding. The wheelhead is equipped with the reliable protective guard, the coolant guard and the bed ways guard is stainless steel. The wheel balancing stand adopt newStatic wheel balancing stand.ModelMQ8260B/6 × 1600MQ8260B × 1600MQ8260B/2000Max. work diameter × Max. lengthΦ 580× 1600 mmΦ 580× 1600 mmΦ 580× 2000 mmWorktableoblique angle table 10°Flat worktableFlat worktableCapacityMax. swing over tableΦ 580 mWork diameter ground with steady restΦ 30-100 mmGrinding cylindrical diameterΦ 30-200 mmThrow of crankshaft110 mmMax. work length ground in 3 jaw chuck1300 mm1300 mm1700mmMax. work length ground between centers1600 mm1600 mm2000mmMax. work weight120 kgHeadstockCenter height300 mmWork speed ( three steps )25, 50, 100 r/minwheelheadMax. cross movement200 mmWheelhead rapid approach & withdrawal100 mmWheelhead feed per turn of cross feed handwheel1 mmWheel feed per grad of cross feed handwheel0.005 mmGrinding wheelWheel spindle speed760 rpmWheel sizeΦ 900× 32× Φ 305 mm / Φ 900× 22× Φ 305 mmOverall capacity of motor9.45 kwOverall dimensions (L× W× H)4000× 2100× 1584 mm4650x2100x1584mmPacking dimensions (L× W× H)4350× 2250× 2000 mm5000× 2250× 2000 mmWeight6700 kg6700kg7200kgWorking accuracyOvality new standard0.005mmCylindricity0.01mmRoughnessRa 0.32