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Crankshaft Grinding Machine for Repair Shops1
Machine Tools, Grinding Machine, Grinder, Machine Tool
Zhengzhou Timeway Machine Tool Co., Ltd.
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Product Description Crankshaft Grinding MachineMQ8260Ax16 &MQ8260Ax18 & MQ8260Ax20 The crankshaft grinding machine is used in automobile, tractor, diesel engine works and their repair shops to grind the journals and crankpins of crankshaft, also used in large engineering machinery and diesel engines for ships to grind crankshaft. Flexible belt drive for speed change three steps speeds of work spindle (Mq8260x20); Four different work speeds are obtainable by making use of double-speed motor & the belts in work head (MQ8260Ax16, MQ8260Ax18). Union chuck are used in the headstock and tailstock for adjusting eccentricity up to 120mm. Friction coupling is used in the headstock transmission chain for its easy adjustment. Table longitudinal traverse is operated either by hand or by power. The bed ways & wheel-head ways are lubricated in automatic cycle by means of oil pump. Plastic coated bed ways with less friction. The digital display device can be optional. Wheel-head rapid approach and withdraw is effected by hydraulic device. Rolling guideways are used on wheel-head and made by high quality material. The wheel spindle being of 80mm in diameter has good rigidity and strength.Technical ParameterSpecificationUnitMQ8260Ax16MQ8260Ax18MQ8260Ax20Max. work swing dia. x Max. lengthmm580x1600580x1800580x2000Max. swing diameter over tablemm580580580Work dia. ground with steady restmm30-10030-10050-120Throw of crankshaftmm110110120Max. work length ground: in 3-jaw chuckmm140016001800Max. work length ground: between centersmm160018002000Max. work weightkg120120150Center heightmm300300300Work speedrpm25, 45, 9525, 45, 9530, 45, 65, 100Max. cross movementmm185185185Wheel-head rapid approach & withdrawalmm100100100Wheel feed per turn of cross feed handwheelmm111Per grad of cross feed handwheelmm0.0050.0050.005Wheel spindle speedrpm740, 890740, 890740, 890Wheel peripheral speedm/s25.6-3525.6-3525.6-35Grinding wheel sizemm900x32x305900x32x305900x32x305Table travel per turn of handwheel coarsemm/r5.885.885.88Table travel per turn of handwheel finemm/r1.681.681.68Table swivel (taper 18/100)°5°, taper 9/1005°, taper 9/1005°, taper 9/100Table swivel per grad of scale(taper 1:50)°1°, taper 1/1001°, taper 1/1001°, taper 1/100Overall capacity of motorskw9.829.8211.12Machine dimensions (LxWxH)mm4166x2037x15844166x2037x15844900x2037x1584Machine weightkg600062007000Ovality (new standard)mm0.0050.0050.005Cylindricitymm0.0080.010.01Roughness (external)umRa0.32Ra0.32Ra0.32Roughness (end)umRa0.63Ra0.63Ra0.63Accessories:Standard accessories:3-jaw chuckWheel adapterGrinding wheels & wheel extractorSteady restDriving dogWheel dresserWheel balancing arborVertical aligning standHorizontal aligning standOptional accessories:End dresserDiamond penDigital indicatorCentering deviceWheel balancing standHanging measuring device One-stop ShoppingPlease click on the picture to view the product category you are interested inConventional LatheCNC LatheCNC Machining CenterCNC Milling MachineGrinding MachineMilling MachineSpecial Use LatheBoring Machine FAQQ: Why choose TIMEWAY MACHINE?A: 1 . High quality with competitive price;2 . Professional R&D team and 25 years export experience; 3 . Exported more than 60 countries; 4 . CE, ISO Certificates; 5 . 24 HOURS ONLINE SERVICE (SKYPE, WhatsApp, Wechat, Trademanager); 6 . 12 months quality warranty; 7 . Oversea engineers available for problem resolving; Q: Do you have QC or any safety standards for your machinery? A: yes, we have established a highly strict quality control department to guanrantee good quality. Q: What's the MOQ? A: 1 set (Only some low cost machines will be more than 1 set ) Q: What about the payment terms? A: (1) T/T with 30% advanced payment, and 70% balance payment to be paid before shipment; (2) Irrevocable LC at sight; (3) Western Union, MoneyGram, etc. Q: How about the warranty? A: Warranty Period is one year after delivery. Even beyond the period, we will supply lifetime service for machine.
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