JH21 Series Punching press machine Features:
1.Steel welded body, tempering treatment, high rigidity, accuracy and stability;
2.Vertical located crankshaft, compact structure;
3.The crankshaft undergoes grinding treatment after high frequency quenching;
4.Lengthened rectangular guideway with a surface of bronze plate;
5.Pneumatic dual balance cylinder, which balances the slide block and punch weight to reduce noise and impact;
6.PLC control and imported safety dual valve;
7.Wet clutch and hydraulic overload protector.
Specifications:
Specifications |
Unit |
JH21-25 |
JH21-45 |
JH21-60 |
Type |
|
H |
S |
H |
S |
H |
S |
Nominal force |
KN |
250 |
450 |
600 |
Nominal Stroke |
mm |
3 |
3 |
4 |
4 |
4 |
4 |
Slide Stroke |
mm |
50 |
80 |
70 |
120 |
80 |
140 |
Slide Strokes Per Minute |
Fixed |
min-1 |
125 |
100 |
95 |
80 |
90 |
70 |
Variable |
75-150 |
60-120 |
65-115 |
50-95 |
60-110 |
45-85 |
Maximum Die Set Height |
mm |
265 |
250 |
295 |
270 |
330 |
300 |
Die Height Adjustment |
mm |
50 |
60 |
70 |
Between slide center and frame |
mm |
210 |
225 |
270 |
Columns Distance |
mm |
450 |
515 |
560 |
Bottom size of slide |
L×R |
mm |
360 |
400 |
480 |
F×B |
mm |
250 |
340 |
400 |
Shank Hole Size |
Dia |
mm |
40 |
50 |
50 |
Depth |
mm |
50 |
60 |
70 |
Bolster size |
L×R |
mm |
720 |
825 |
930 |
F×B |
mm |
400 |
440 |
520 |
Blanking Hole Diameter |
mm |
150 |
150 |
150 |
Bolster Thickness |
mm |
80 |
110 |
130 |
Bolster Surface Height |
mm |
780 |
800 |
900 |
Overall Dimensions |
F×B |
mm |
1500 |
1585 |
1540 |
L×R |
mm |
945 |
1075 |
1200 |
H |
mm |
2120 |
2390 |
2570 |
Distance Between Foundation Bolts |
F×B |
mm |
980 |
1075 |
1100 |
L×R |
mm |
690 |
760 |
840 |
Motor |
Power |
Kw |
3 |
5.5 |
5.5 |
Weight(Approximate) |
Kg |
2450 |
3550 |
5150 |
Machine details: