SJR Machinery Co., Ltd.
CNC Cylindrical Grinding Machine
The cnc cylindrical grinder is suitable for batch production of cylindrical parts grinding with high perfomance to price ratio.
The electric system is controlled by KND 1000Ti,and the executive system is driven by the CNC servo driver and servo motor.Worktable longitudinal travel and wheelhead cross traverse which with the high infeed accuracy are realized by the servo motors via the ball screw,transmission.
With the touchs creen and human-machine interface,the machine is easy to operate.
With other systems and configured online automatic measuring instrument can also be based on user needs.
The machine is simple and easy to operate.After simple training,it can be operated easily.By setting the parament of longitudinal grinding or plunge grinding via the touch screen,an auto-grinding for the different workpiece is realized.
With the function of worktable trip-stop,the machine can grind more than one journals of one workpiece automatically.The process parameter of more than one journals can be set discretionary for long grinding ofplunge grinding.
With the function of wheel dressing and compensation automatically.
Wheelhead spindle is supported by three bushing hydrodynamic bearing,and high precision hydro dynamic-static bearing is also available for the user.
Timing provision of lubrication for machine moving parts according to program designing .
Automatic lubrication of all moving parts.Tailstock has two ways:hydraulic and manual.
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Specification |
mm |
UCGK20x500 |
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Distance between centers |
mm |
500 |
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Center height |
mm |
135 |
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Maximum workpiece rotation diameter |
mm |
200 |
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Grinding range of workpiece diameter |
mm |
Φ8~ φ200 |
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Max. Workpiece weight |
kg |
13 |
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angle of worktable |
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angle of worktable |
Anticlockwise |
° |
7 |
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Clockwise |
° |
3 |
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Max. travel of worktable |
mm |
650 |
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Table grinding speed |
m/min |
0 ~3 |
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Worktable positioning accuracy |
mm |
0.01 |
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Worktable repeat positioning accuracy |
mm |
0.005 |
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Worktable servo motor |
N.m |
8.4 |
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wheelstock stroke |
mm |
200 |
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wheelstock positioning accuracy |
mm |
0.005 |
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Wheelstock repeat positioning accuracy |
mm |
0.002 |
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Wheelstock servo motor |
Nm |
8.4 |
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Wheel size（O.Dx W x I.D.） |
mm |
500x50x203 |
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peripheral speed of wheel |
m/s |
38 |
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Headstock/tailstock center |
Morse |
NO.4 |
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Lubrication system |
Automatic lubrication |
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In the machine |
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Automatic lubrication capacity |
L |
50 |
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cooling system |
Cooling pump flow |
L/min |
22 |
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Cooling tank capacity |
L |
130 |
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Wheelstock motor |
kw |
5.5 |
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Net weight of machine |
kg |
2800 |
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Machine size （L×W× H) |
mm |
2500*1800*1650 |
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Accuracy |
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Roundness |
mm |
≤0.0015 |
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Cylindricity |
mm |
≤0.005 |
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Roughness |
μm |
Ra≤0.32 |
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MKE1332B Specification |
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Specification |
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Description |
unit |
MKE1332Bx500 |
MKE1332BX1000 |
MKE1332BX1500 |
MKE1332Bx2000 |
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External grinding diameters |
mm |
φ8～320 |
φ8～320 |
φ8～320 |
φ8～320 |
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Center height |
mm |
180 |
180 |
180 |
180 |
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Distance between center |
mm |
500 |
1000 |
1500 |
2000 |
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Max.workpiece weight |
kg |
150 |
150 |
150 |
150 |
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Grinding length External |
mm |
500 |
1000 |
1500 |
2000 |
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Swivel range of worktable |
° |
-3～+7° |
-3～+7° |
-3～+6° |
-2～+5° |
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Max.wheel peripheral speed |
m/s |
38 |
38 |
38 |
38 |
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External wheel size |
mm |
φ600x75xφ305 |
φ600x75xφ305 |
φ600x75xφ305 |
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wheel spindle rotation speed |
r/min |
1210 |
1210 |
1210 |
1210 |
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Headstock center |
morse |
NO.5 |
NO.5 |
NO.5 |
NO.5 |
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tailstock center |
morse |
NO.4 |
NO.4 |
NO.4 |
NO.5 |
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Headstock spindle rotation speed |
r/min |
26、52、90、130、180、260 |
26、52、90、130、180、260 |
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Total motor power |
kw |
21.475 |
21.475 |
21.475 |
30.075 |
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Min.pulse amount in X-axis |
mm |
0.001 |
0.001 |
0.001 |
0.001 |
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Min.pulse amount in Z-axis |
mm |
0.001 |
0.001 |
0.001 |
0.001 |
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Longitudinal servo motor |
kw |
4.7(23NM) |
4.7(23NM) |
4.7(23NM) |
4.7(23NM) |
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Traverse servo motor |
kw |
3.9(15NM) |
3.9(15NM) |
3.9(15NM) |
4.7(23NM) |
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Machine overall dimension（LxWxH） |
mm |
3000x2100x2000 |
3500x2100x2000 |
5300x2000x2000 |
6700x2000x2000 |
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Machine weight |
kg |
3500 |
4000 |
5000 |
7000 |
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Working Accuracy |
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Roundness（O.D/I.D） |
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1.5μm（O.D） |
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Uniformity of dia.in longitudinal section（O.D/I.D） |
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5μm（O.D） |
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Surface roughness(O.D/I.D) |
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Ra0.32μm（O.D） |
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Mail Accessories |
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Magnetic separator |
set |
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1 |
1 |
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Grinding wheel dresser |
set |
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1 |
1 |
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Wheel hub |
set |
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2 |
2 |
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Wheel balancing mandrel |
set |
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1 |
1 |
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Open-type steady-rest |
set |
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1 |
1 |
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Driving dog |
set |
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1 |
1 |
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Carbide-tipped center |
pcs |
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2 |
2 |
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Leveling wedge |
pcs |
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3 |
3 |
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Special Accessories |
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Wheel balancing stand |
set |
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1 |
1 |
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Endface measuring instrument |
set |
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1 |
1 |
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Hybrid wheel spindle |
set |
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1 |
1 |
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Mail Accessories |
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Wheel peripheral dresser |
set |
1 |
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Wheel hub |
set |
2 |
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Wheel balancing mandrel |
set |
1 |
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Internal grinding tool |
set |
1 |
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3-claw chuck |
set |
1 |
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Open-type steady-rest |
set |
1 |
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Driving dog |
set |
1 |
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Carbide-tipped center |
pcs |
2 |
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Leveling wedge |
set |
1 |
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Quill shaft for internal grinding |
set |
2 |
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Special Accessories |
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Radius dresser USD300.00 |
set |
1 |
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Close-type steady- rest USD240.00 |
set |
1 |
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Wheel balancing stand |
set |
1 |
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paper belt filter |
set |
1 |
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