Cold Forging Press
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DKP Stamping Presses

Cold Forging Press

Mechanical knuckle-joint press for cold forging, coining and stamping of sheet metal
  • Capacity 250T to 3000T
  • Strokes per minute 18SPM to 55SPM
  • Stroke length 120mm to 250mm
  • Slide area 400×420mm to 900×1000mm

The DKP cold forging press is a mechanical knuckle-joint press designed for high-precision cold forging, coining, and stamping of sheet metal and transmission parts. Built with a true-column box-type frame and stress-relieved welded steel construction, it ensures high rigidity, precision forming, and extended die life.

With a capacity from 250T to 3,000T and stroke speeds between 18 and 55 SPM, the cold forging press is built for demanding metal forming operations. It features a separate clutch and brake system for reduced passive loss, high mechanical efficiency, and smooth, safe operation across inching, single, and continuous modes. Side openings accommodate automation systems, supporting fully automated forging processes.

Applications
  • Automotive components
  • Transmission parts
Key Features
  • Material-saving, near-net-shape forming process
  • High deformation ratio with smooth surface and excellent product accuracy
  • Knuckle-joint drive system for improved productivity
  • Durable box-type frame structure for enhanced die life and forming precision
  • High safety, energy-saving patented design
  • Automation-ready with side openings for integration with peripheral equipment
Specifications
DS4
Model Unit DKP-250 DKP-400 DKP-650 DKP-800 DKP-1000 DKP-1600 DKP-2000 DKP-3000
Capacity kN 2500 4000 6500 8000 10000 16000 20000 30000
Stroke length mm 120 140 180 180 200 220 220 250
Rated tonnage point mm 4 5 8 8 8 8 8 8
Strokes per minute (fixed speed) S.P.M 50 50 35 35 30 30 25 20
Strokes per minute (variable speed) S.P.M 40-55 40-55 25-40 25-40 25-35 20-30 20-30 18-25
Strokes per minute (intermittent) S.P.M 20 20 15 15 10 8 8 6
Die height mm 370 400 400 400 500 550 550 600
Slide adjustment mm 15 15 15 15 15 15 15 15
Bolster area mm 500×600 550×650 600×700 600×700 700×800 900×900 1000×1000 1100×1100
Slide area mm 400×420 400×500 450×550 450×550 550×650 700×800 800×900 900×1000
Bolster plate thickness mm 100 120 150 150 180 220 250 250
Main motor kW.p 18.5×4 30×4 45×4 45×4 75×4 90×4 132×4 200×4
Slide adjustment motor kW.p 1.5×6 1.5×6 2.2×6 2.2×6 2.2×8 5.5×6 5.5×6 5.5×6
Air pressure required kg/cm² 5 5 5 5 5 5 5 5
Precision (JIS) JIS special grade JIS special grade JIS special grade JIS special grade JIS special grade JIS special grade JIS special grade JIS special grade
Bed knockout capacity kN 100 150 300 300 500 600 700 900
Bed knockout stroke mm 50 50 60 60 60 70 70 80
Standard Configurations
  • Movable operating table
  • Operation mode selection: off / inching / safety stroke / continuous
  • Electrical slide adjustment
  • Overrun safety device
  • Electrical load monitor
  • Electronic cam
  • Mechanical die height indicator
  • Slide counterbalance system
  • PLC control
  • Air ejector
  • Air source connector (one channel)
  • Automatic forced lubrication system
  • Misfeed detection socket
  • Slide knockout
  • Main motor reversing circuit
  • Variable speed motor
  • Anchor bolts and foundation plates
  • 24V work light (movable type)
  • Photoelectric interface
  • Separated control cabinet
  • Double solenoid valve
Optional Configurations
  • Photoelectric safety device
  • Quick die change
  • Slide knockout
  • 220V single-phase power socket

Designs are subject to change without prior notice and can be customized according to your requirements.

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