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 |
JH21-80 |
JH21-100 |
JH21-125 |
| Type |
|
H |
S |
H |
S |
H |
S |
| Nominal force |
KN |
800 |
1000 |
1250 |
| Nominal Stroke |
mm |
5 |
5 |
5 |
5 |
6 |
6 |
| Slide Stroke |
mm |
100 |
160 |
100 |
160 |
110 |
180 |
| Slide Strokes Per Minute |
Fixed |
min-1 |
80 |
60 |
80 |
55 |
70 |
50 |
| Variable |
55-95 |
40-75 |
55-95 |
35-65 |
50-85 |
35-60 |
| Maximum Die Set Height |
mm |
350 |
320 |
365 |
335 |
385 |
350 |
| Die Height Adjustment |
mm |
80 |
90 |
90 |
| Between slide center and frame |
mm |
310 |
330 |
350 |
| Columns Distance |
mm |
610 |
670 |
670 |
| Bottom size of slide |
L×R |
mm |
540 |
620 |
620 |
| F×B |
mm |
460 |
520 |
520 |
| Shank Hole Size |
Dia |
mm |
50 |
70 |
70 |
| Depth |
mm |
70 |
80 |
80 |
| Bolster size |
L×R |
mm |
950 |
1060 |
1100 |
| F×B |
mm |
600 |
640 |
680 |
| Blanking Hole Diameter |
mm |
180 |
180 |
200 |
| Bolster Thickness |
mm |
140 |
145 |
155 |
| Bolster Surface Height |
mm |
900 |
900 |
900 |
| Overall Dimensions |
F×B |
mm |
1765 |
2000 |
2040 |
| L×R |
mm |
1200 |
1300 |
1320 |
| H |
mm |
2725 |
3010 |
3035 |
| Distance Between Foundation Bolts |
F×B |
mm |
1210 |
1365 |
1430 |
| L×R |
mm |
920 |
1020 |
1040 |
| Motor |
Power |
Kw |
7.5 |
7.5 |
11 |
| Weight(Approximate) |
Kg |
6450 |
8650 |
9550 |
Machine details:
Audited Supplier 
Audited Supplier 
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