China Supplier Universal internal and external Cylindrical Grinding Machine for Sale (M1420/500)
FEATURES of our Universal Cylindrical Grinding Machine:
1.Table can be tilted for conical grinding operations and scale allows adjustment to desired position
2.Spindle stock can be swivelled 180° for inside grinding operations
3.Main spindle is mounted hydro-dynamically - oil film prevents contact between spindle and bearing
4.Longitudinal table guide and grinding spindle stock cross guide feature V- and flat guiding each
5.Strong reinforcements and generously designed walls make the machine base resistant to temperature fluctuations and deformations
6.Oil film between spindle and bearing reduces the vibrations to a minimum to achieve top results and high accuracy
7.Stepless feed adjustment with selective programmable stop at end of each table movement
8.Precisely adjusted spindle head and solid grinding spindle stock to achieve top processing results at various grinding operations
9.Precisely polished and manually finished guideways in x- and y-axis
10.Hydraulic or manual resetting of grinding spindle stock
11.Longitudinal movement of table is either manually by handwheel or automatically by hydraulic feed
12.Grinding spindle features bearings on both sides and adjustable sliding flat grids
Specification:
| Description |
unit |
M1420X500 |
M1420X800 |
| External grinding diameters |
mm |
φ8~200 |
φ8~200 |
| Internal grinding diameters |
mm |
φ13~100 |
φ13~100 |
| Center height |
mm |
135 |
135 |
| Headstock spindle rotation speed |
r/min |
50HZ:25~380stepless |
50HZ:25~380stepless |
| Max. worktable traverse |
mm |
650 |
950 |
| Hydraulic travel speed |
m/min |
0.1~4 |
0.1~4 |
| Max.workpiece weight |
kg |
50 |
50 |
| Grinding length External/Internal |
mm |
500/125 |
800/125 |
| Swivel range of worktable |
° |
-5~+9° |
-3~+7° |
| Max.wheel peripheral speed |
m/s |
38 |
38 |
| External wheel size |
mm |
Max.φ400x50xφ203 Minφ280x50xφ203 |
| Internal wheel spindle rotating-speed |
r/min |
10000 |
10000 |
| Headstock and tailstock center |
morse |
NO.4 |
NO.4 |
| Total motor power |
kw |
5.625 |
5.625 |
| Machine overall dimension(LxWxH) |
mm |
2200x1600x1700 |
3100x1600x1700 |
| Machine weight |
kg |
2500 |
3000 |
| Working Accuracy |
| Roundness(O.D/I.D) |
|
1.5/2.5μm(O.D/I.D) |
| Uniformity of dia.in longitudinal section(O.D/I.D) |
|
5/8μm(O.D/I.D) |
| Surface roughness(O.D/I.D) |
|
Ra0.32/0.63μm(O.D/I.D) |
Standard accessories:
Grinding wheel
Grinding wheel flange
3-jaw chuck 200 mm
Frequency inverter
Open rest
Inside grinding device
LED machine light
Balancing arbor
2 dead centers
Coolant device
Splash guard
Leveling wedge
Quill shaft for internal grinding
Wheel balancing mandrel
Grinding wheel dresser
Workpiece carrier
Tools
Optional accessories:
2-axis digital readout
Balancing stand
Close-type steady- rest
Radius dresser
Warranty:
What about the spare part if the machine break down?
==about the machine break down, normally our policy will be as the under way
1) Our quality guarantee time is 12 months since the machine on board
2) During this period, if the machine break down owing our machine itself quality problem, we will prepare the spare parts and send to you by free within 5 days. all these will be by free.
3) If the break down is caused by the mis operation, we of course will supply you the spare parts, but we have to charge you the costs prices.
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