JB21 Series Power Press With Fixed Bed

JB21 Series Power Press With Fixed Bed

Adopt the rigid rotating key positive clutch, simple structure, convenient operation and maintenance; adopt the helical gear drive, stable operation and small impact; redesigned structure with high rigidity; adopt rolling bearing drive (small gear noise); adopt pneumatic double balance cylinder structure with small fluctuation of the balance force.

  • Punch force: 10-160T

  • Slider stroke: 50-130mm

  • Throat depth: 130-600mm

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Mechanical Press

JB21 Series Flywheel Press

JB21 series fixed table punching press mainly include 63 tons, 80 tons, 100 tons, 125 tons, 200 tons, 250 tons, mainly suitable for cold stamping process like blanking, punching, bending, drawing, shearing, forming etc.

The punch body is made of high-strength cast iron.

The single-plate pneumatic block friction clutch and brake provide smooth joint and less wear, and the service life is much longer than that of similar products.

The slider has a collapse-type safety device. When the machine is overloaded, the fuse is first collapsed, thus ensuring that the whole machine is not damaged.

The punch is taking the crank connecting rod as the working mechanism .

Features of JB21 series tilting punch:

  • The body adopts steel plate welding frame, vibration aging treatment, eliminate internal stress and is not easy to deform;
  • Crankshaft material 45# iron forging, fine lathe quenching and tempering treatment;
  • The bearing shell of machine body and connecting rod are using copper;
  • The working key material is 40Cr forging, with quenching treatment;
  • The connecting rod material is ductile iron, which increases the punching strength of the fixed table;
  • The fixed table punch slider is enlarged.

Products made by power press machine

JB21 Series Mechanical Press

Technical Spec. Model JB21-315 JB21-250 JB21-200 JB21-160 JB21-125 JB21-100 JB21-80 JB21-63
Nominal Pressure (N) 3150 2500 2000 1600 1250 1000 800 630
Slider Stroke (mm) 200 200 180 140 130 130 115 100
Slider Stroke Count (times/min) 30 35 38 40 40 45 45 50
Max Shut Height (mm) 530 500 480 420 410 410 400 365
Shut Hegiht Adjustment (mm) 100 100 100 100 100 100 80 80
Worktable Size (mm) F·B 800 800 750 680 660 600 480 450
L·R 1380 1250 1180 1020 980 900 780 700
Slider Undersurface Size (mm) F·B 400 380 350 380 370 260 250 250
L·R 520 500 500 500 510 340 320 320
Die Shank Hole Size (mm) Dia. 70 70 70 70 70 60 60 50
Depth 90 90 90 80 80 80 80 80
Upright Distance (mm) 400 600 600 410 410 320 300 280
Motor Power (KW) 30 22.5 22.5 15 11 7.5 7.5 4
Dimention (mm) F·B 2730 2500 2400 2175 2175 1800 1790 1650
L·R 2660 2660 2660 1740 1290 1270 1320 1220
Height 3825 3825 3625 3150 3000 2630 2500 2400
Weight (Kg) 11600 7800 5500 4500 3500

JB21 Series Power Press With Fixed Bed

JB21 Series Power Press With Fixed Bed

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