Product Description
china Crankshaft grinding machine MQ8260B
The crankshaft grinding machine MQ8260A is a simple structure,easy operation,wide applicability of the crankshaft grinder for automobiles,stractors,siesel engine repair shop crankshaft grinding spindle crank neck and neck,but also fo cylinderical grinding machine for general excircle grinding.
Structural features:
1,machine tools,electrical,hydraulic control,mannual control bassel.
2,base type machine left and right using adjustable cross chuck chuck.improve work piece installation,adjustment efficiency.
3,With top or the workpiece clamping chuck.the head frame motor drive,manual feed grinding
4,Longitudinal movement,there is also a manual manever,manenver the table in a fast-moving action.can only point for jumping stalls or adjustments.
5,About the amount of cross chuck maximum adjustable vertical 110mm,transverse 2mm,the chuck further hang a trace swivel adjustment,the range of 0-30 °
6,Parts,wheel,bench,cooling pump,oil pump driven by a separate motor.
| Specifications |
Model |
Unit |
14201 |
14203 |
14205 |
14208 |
| MQ8260A |
MQ8260A/1 x 18 |
MQ8260A/1 x 20 |
MQ8240A |
| Max. work diameter x Max. work length |
mm |
Φ580 x 1600 |
Φ580 x 1800 |
Φ580 x 2000 |
Φ400 x 750 |
| Capac-ity |
1. Max. Swing over table |
mm |
580 |
580 |
580 |
400 |
| Workdiameter ground with steady rest |
mm |
Φ30 -Φ100 |
Φ30 -Φ100 |
Φ50 -Φ120 |
Φ20 -Φ110 |
| Throw of crankshaft |
mm |
110 |
110 |
120 |
60 |
| 2. Max. work length ground:in3-jawchuck |
mm |
1400 |
1400 |
1800 |
630 |
| Between centres |
mm |
1600 |
1600 |
2000 |
750 |
| 3. Max. work weight |
kg |
120 |
120 |
150 |
30 |
| Head-stock |
Centre height |
mm |
300 |
300 |
300 |
200 |
| Work speed |
rpm |
25, 45, 95 |
25, 45, 95 |
30, 45, 65, 100 |
40, 80 |
| Wheel head |
1. Max. Cross movement |
mm |
185 |
185 |
185 |
150 |
| 2. Wheelhead rapid approach & with raway |
mm |
100 |
100 |
100 |
100 |
| 3. Wheelhead feed Wheel feed ertum of cross feed handwheel |
mm |
1 |
1 |
1 |
1 |
| Wheel feed per grad of Cross feed handwheed |
mm |
0.005 |
0.005 |
0.005 |
0.005 |
| Grinding Wheel |
1. Wheel spindle speed |
rpm |
740, 890 |
740, 890 |
740, 890 |
890 |
| 2. Wheel peripheral speed |
m/sec |
25.6-35 |
25.6-35 |
25.6-35 |
35 |
| 3. Wheel size |
mm |
Φ900 x 32 x Φ305 |
Φ900 x 32 x Φ305 |
Φ900 x 32 x Φ305 |
Φ750 x 32 x Φ305 |
| Table |
1. Table traverse pertum of handwheel:coarse |
mm |
5.88 |
5.88 |
5.88 |
14 |
| fine |
mm |
1.68 |
1.68 |
1.68 |
1.55 |
| 2. Table swivel (taper 18/100) |
|
50 |
50 |
50 |
|
| 3. Table swivel pergrad of scal (taper1:50) |
|
10Ó |
10Ó |
10Ó |
|
| Overall capacity of motors |
kw |
9.82 |
9.82 |
11, 12 |
6.92 |
| Overall dimensions (L x W x H) |
mm |
4166 x 2037 x 1584 |
4166 x 2037 x 1584 |
4900 x 2037 x 1584 |
2860 x 1960 x 1650 |
| Weight |
kg |
6000 |
6000 |
7000 |
4800 |
| Working Accu-racy |
Ovality (new standard) |
|
0.005 |
0.005 |
0.005 |
0.0025 |
| Cylindrcity |
|
0.01 |
0.01 |
0.01 |
0.005 |
| Roughness Ra |
|
0.32 |
0.32 |
0.32 |
0.32 |
| Main Acces-sories |
jaw chuck 2 sets |
|
√ |
√ |
√ |
√ |
| Wheel dresser 1 sets |
|
√ |
√ |
√ |
√ |
| Steady rest (w. 30mm) 1 set |
|
√ |
√
√ |
√ |
√ |
| Wheel balancing arbor 1set |
|
√
|
√ |
√ |
√ |
| Leveling wedge 1set |
|
√ |
√ |
√ |
√ |
| Wheel adaptor 1set |
|
√ |
√
|
√ |
√
|
| Driving dog 1 set |
|
√ |
|
√ |
√ |
| Verticalaligning stand (width 28mm) 1 |
|
√
|
|
√
|
√
|
| Horizontclaligning stand (width 28mm) 1set |
|
√ |
|
√
|
√
|
| Otional Acces-sories |
Wheel balancing stand |
|
|
|
|
|
| Hanging measuring device |
|
|
|
|
|
| End dresser |
|
|
|
|
|
| Verticalaligning stand (with 15mm 10mm) |
|
|
√
|
|
|
| Horizontclaligning stand (with 15mm 10mm) |
|
|
√ |
|
|
| Steady rest (Width 15mm 10mm) |
|
|
√
|
|
|
| Centring device |
|
|
√ |
|
|
| Crankshaft Polisher |
|
|
|
|
|
| Digital display device |
|
|
|
|
|
| Tailstock Pneumatic device |
|
|
|
|
|
Company Profile
SJR Machinery Co., Ltd. , was founded in 1984, which is the main partner member of China Jiangsu International Economic-Technical Cooperation Corporation. Our company specializes in the manufacture and import/export of brand new industrial machinery and tools. We are capable of producing more than 80 types of machines.Sincerely welcoming you to contact us for more information, we look forward to becoming your supplier in the near future.
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