High Precision Crankshaft Grinding Machine (MQ8260 MQ8260Ax20 MQ8260C)

Product Description

Crankshaft grinding machine MQ8260
The crankshaft grinder model MQ8260C is modified on the basis of the Model MQ8260A and intended for use in the automobiles tractors diesel engine works and their repair ships to grind the journals and crankpins of crankshafts.
1. Three different work speeds are obtainable by making use of the belts in the work head. The cover can be opened so that the belts can be changed conveniently.
2. Cross swallow-tailed chucks are selectively used in the headstock and tailstock
3. Friction coupling is used in the headstock transmission chain for its easy adjustment
4. Single layer table, with an oblique angle of 10 degree, longitudinal traverse can be operated either by hand or by power.
5. Wheel head rapid approach and withdrawal effeced by hydraulic means can be digitally displayed at a resolution of 0.005mm
6. The wheel spindle being of 80mm in diameter has good rigidity and strength
7. The roller ways are for wheel head movement
8. The bed ways and wheel head ways are lubricated in an automatic cycle by means of the oil pump. Plastic coat is adhered to the bed way.

Model	MQ8260A	MQ8260AX18	MQ8260AX20	MQ8260C	MQ8260CX18
Max. Work swing diameter × Max work length	580×1600mm	580×1800mm	580×2000mm	600×1600mm	600×1800mm
Capacity
Max. Swing over table	580mm	580mm	580mm	600mm	600
Work diameter ground with steady rest	30~100mm	30~100mm	50~120mm	30~100mm	30~110
Throw of crankshaft	110mm	110mm	120mm	110mm	110
Max. work length ground
In 3-jaw chuck	1400mm	1600mm	1800mm	1400mm	1600
Between centers	1600mm	1800mm	2000mm	1600mm	1800
Max. work weight	120kg	120kg	150kg	120kg	120
Work head
Center height	300mm	300mm	300mm	300mm	300
Work speed	25,45,95r/min	25,45,95r/min	30,45,65,100r/min	25,45,95r/min	25,45,95r/min
Wheel head
Max. Cross movement	185mm	185mm	185mm	185mm(85mm Opted)	185mm(85mm Opted)
Wheel head rapid approach and withdrawal	100mm	100mm	100mm	100mm(200mm Opted)	200mm
Wheel feed per turnoff cross fed hand wheel	1mm	1mm	1mm	1mm	1mm
Per grad. of cross feed hand wheel	0.005mm	0.005mm	0.005mm	0.005mm	0.005mm
Grinding wheel
Wheel spindle speed (2steps)	740.890r/min	740.890r/min	740.890r/min	740.890r/min	740.890r/min
Wheel peripheral speed	25.6-35m/sec	25.6-35m/sec	25.6-35m/sec	25.6-35m/sec	25.6-35m/sec
Wheel size (O. D .× width ×Bore)	Φ900×32×Φ305mm	Φ900×32×Φ305mm	Φ900×32×Φ305mm	Φ900×32×Φ305mm	Φ900×32×Φ305mm
Table
Table traverse per turn of hand wheel coarse	5.88mm	5.88mm	5.88mm	5.88mm	5.88mm
Fine	1.68mm	1.68mm	1.68mm	1.68mm	1.68mm
Table Swivel (taper 18/100)	5°	5°	5°
Table Swivel per grad of scale (taper 1:50)	10′	10′	10′
Overall capacity of motors	9.82kw	9.82kw	11.12kw	9.82kw	9.82kw
Overall dimensions (L×W×H)	4166×2037×1584	4166×2037×1584	4900×2037×1584	4166×2037×1584	4166×2037×1584
Weight	Approx. 6000kg	Approx. 6000kg	Approx. 6000kg	Approx . 6000kg	Approx . 6000kg

Contact Us:

Andy Wang TENGZHOU HOTON MACHINERY CO.,LTD Tel:0086 632 5633796 MP:0086 13506328892 hotonmachinery.en.made-in-china.com

Company Profile:

Tengzhou Hoton Machinery Co.,LTD was established in 2006, and is the professional machine manufacturer in China. There are 480 workers, of whom 60 are engineers. It has an area of 46,000 square meter, general assets 30,000,000. It has a store of 350 equipments and the good ability of products design & manufacturing. It has export quality permit from 2007, and has export right given by the State Foreign Economic Trade Committee in 2008.

The leading products: "Hoton" series of CNC machines, Lathes, Milling machines, Drilling machines,Grinding machines, Saws, Sheet metal machines, Metal forming machines, and other machine accessories.Some products have national patent.It has fourteen series, over eighty models by itself. It has the ability of making 100,000 sets every year. All the products are designed perfectly and has high quality high performance and low price, and the excellent quality guarantee system. The products have past ISO9001 and CE certification since 2009. The products have been export to five continents, over forty countries and areas. It resulted to the attraction of client abroad and home, the quickly promotion of products sale.

Tengzhou Hoton Machinery Co.,Ltd. is willing to make common progress and developments with all the customers. Quality first,Constantly perfecting skills.

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