Four-Point Eccentric Geared Straight Side Press

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DS4/DSL4 Stamping Presses

Mechanical press for metal stamping, punching, bending, cutting and blanking

Capacity 630T to 1600T
Strokes per minute 8SPM to 18SPM
Stroke length 500mm to 800mm
Slide area 4000×2200mm to 5000×2600mm

The DS4/DSL4 four-point eccentric geared straight side press is designed for large-scale, high-precision metal stamping, punching, bending, cutting, and blanking. The entire press line can be configured in 4-press or 5-press layouts with dual moving bolsters. Production speeds reach 15–18 pieces per minute, supporting both intermittent and continuous operation modes to meet different production requirements. Full-line die change (ADC) time is controlled within 90 to 180 seconds, greatly improving efficiency. The first press is equipped with a pneumatic cushion, and the entire system is fully enclosed and automated, offering efficient, intelligent, and stable performance for complex manufacturing tasks.

With a capacity from 630T to 1,600T and stroke speeds between 8 and 18 SPM, the four-point eccentric geared straight side press is built to support demanding, large-scale production.

Applications

Automotive components
Other products: seat belt buckles, filter housings, surgical clamp joints

Key Features

Welded steel frame available in detachable or integral structure, with top beam, middle body, and base connected by four pre-tensioned reinforcement rods for high rigidity
Eccentric gear drive system for stable transmission and low noise
Long four-sided guideways for minimal side force and excellent accuracy
Programmable PLC control system for electronic cam start, brake angle monitoring, pressure and tonnage display, and multi-function control

Specifications

DS4

Model	Unit	DS4-630T	DS4-800T	DS4-1000T	DS4-1250T	DS4-1600T
Type		S	S	S	S	S
Capacity	T	630	800	1000	1250	1600
Rated tonnage point	mm	13	13	13	13	13
Strokes per minute	S.P.M	8-18	8-18	8-18	8-18	8-18
Stroke length	mm	500	600	600	700	800
Max. shut height	mm	1200	1300	1400	1400	1400
Die height adjustment	mm	500	550	600	650	650
Slide area	mm	4000×2200	4200×2200	4200×2400	4600×2500	5000×2600
Bolster area	mm	4000×2200	4200×2200	4200×2400	4600×2500	5000×2600
Air pressure required	kg/cm²	0.55	0.55	0.55	0.55	0.55
Main motor	kW.p	90	110	132	200	250
Opening in side frames	mm	2200	2200	2400	2500	2600
Slide adjustment mechanism		Electric
Die cushion		1 pad, 2 cylinder
Die cushion capacity	ton	100	150	150	200	250
Die cushion stroke length	mm	200	200	200	250	250
Max. upper-die weight	ton	15	18	20	22	25

DSL4

Model	Unit	DSL4-1000T	DSL4-1250T	DSL4-1400T	DSL4-1600T	DSL4-2000T
Type		S	S	S	S	S
Capacity	T	1000	1250	1400	1600	2000
Rated tonnage point	mm	13	13	13	13	13
Strokes per minute	S.P.M	8-18	8-18	8-18	8-18	8-18
Stroke length	mm	800	1000	1100	1200	1400
Max. shut height	mm	1200	1300	1300	1400	1500
Die height adjustment	mm	550	600	600	600	700
Slide area	mm	4200×2200	4500×2200	4500×2400	4500×2500	4600×2600
Bolster area	mm	4200×2200	4500×2200	4500×2400	4500×2500	4600×2600
Air pressure required	kg/cm²	0.55	0.55	0.55	0.55	0.55
Main motor	kW.p	220	250	250	315	400
Opening in side frames	mm	2200	2200	2400	2500	2600
Slide adjustment mechanism		Electric
Die cushion		1 pad, 2 cylinder
Die cushion capacity	ton	200	250 (with optional lock)	250 (with optional lock)	300 (with optional lock)	400 (with optional lock)
Die cushion stroke length	mm	300	350	350	350	350
Max. upper-die weight	ton	18	20	20	22	25

Standard Configurations

Variable speed drive
Hydraulic overload protector
Die area light
Electrical slide adjustment
Photoelectric safety device
Digital die height indicator
Slide and die counterbalance system
Electronic encoder
Misfeed detector
Power socket
Human-machine control system (Defu)
Overrun safety device
Air ejector
Maintenance tool box
Operating manual

Optional Configurations

Wet clutch
Pneumatic die cushion
Foot switch
Quick die change
Slide knockout
Automatic uncoiler
Intelligent manipulator
Moving bolster
Slug detector (Riken Optech Corporation)
Tonnage monitor
Front safety door
Back safety door
Safety die block with plug
Separate clutch and brake
Flywheel brake

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

Download

Our product brochure

The four-point eccentric geared straight side press delivers power, precision, and smart automation for high-volume production. Contact us to learn how this press can enhance your manufacturing efficiency.