MQ8260 MQ8260A MQ8260C
Special Purpose Grinding Machine
Crank Shaft
Grinding Wheel
Artificial
Semiautomatic
Universal Cylindrical Grinder
High Precision
CE, ISO 9001
New
600mm
110mm
120kgs
5deg;
900X32X305 mm
HOTON
Plywood Case
7000kgs
China
8460190000
Product Description
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. |