JL21G Series C-type Frame High-speed Press
JL21G Series C-type Frame High-speed Press
JL21G Series C-type Frame High-speed Press
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Low Vibration, Low Noise, High Speed.
Widely used in electric connectors Automatic production.


JL21G series c-type frame high-speed press with steel-welded frame, high rigidity and less deformation. The stronger cast iron base, to reduce vibration and noise and improve the working environment. Gas chamber balance device, to improve balance the slide and the weight of the upper die ensuring higher stability of operation. The machine has dynamic balancing system, reducing the noise from vibration, extending the service life of the dies and improving working environment; Hydraulic locking device for connecting rod, to enhance the precision of bottom dead center. Pneumatic combination friction clutch-brake, low noise, and long service life, to ensure reliable safely and flexible action. Fixed speed motor and inverter are adopted. Production lines of special specifications can be made subject to the user's requirements.


Main Structure Features

  • Steel-welded frame and high rigidity cast-iron base;
  • Low vibration, low noise and high accuracy;
  • Air bag balance device,to balance the crankshaft and vibration during working;
  • Hydraulic locking device for adjustment rods ensuring the precision of bottom dead center;
  • Automatic oil cycle lubrication system;
  • PLC, encoder.
Item JL21G-16 JL21G-25 JL21G-45 JL21G-60
Nominal pressure kN 160 250 450 600
Nominal pressure stroke mm 1.5 1.5 1.5 1.5
Stroke of slide mm 20 20 30 30
Stroke spm 150-500 150-500 150-450 150-400
Max. die set height mm 200 220 250 280
Die height adjustment mm 50 50 50 50
Depth of throat mm 160 190 235 270
Distance between uprights mm 260 300 350 400
Bottom size of slide L-R mm 350 400 460 540
F-B mm 240 270 300 350
Hole for punch shank Dia. mm Φ40 Φ40 Φ40 Φ50
Thickness mm 70 70 70 85
Size of table L-R mm 600 660 720 850
F-B mm 300 360 450 520
Main Motor power kW 3 4 7.5 11
Overall dimension L-R mm 900 945 1080 1245
F-B mm 1452 1475 1620 1890
Height mm 1920 2045 2405 2675
Total weight kg 2000 2500 3800 4500

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