TANDEM PRESS LINE – TL-XL 7.31

Technical–Commercial Description

The TL-XL 7.31 Tandem Press Line is a high-capacity mechanical stamping line designed for demanding sheet metal forming applications, particularly in the automotive and heavy industrial sectors. The line consists of five mechanical presses arranged in tandem configuration, providing an optimized process flow from deep drawing to final forming operations.

Press Line Configuration   
(This tandem line consists of link drive presses)

Station 1 – Head Press (Drawing Press)

Manufacturer: Umformtechnik ERFURT
Model: EMP 2800 / 5000 × 2500 / 1120 TS
Country of Origin: Germany

Main Technical Specifications (translated from German):
• Nominal Press Force: 2,800 kN
• Ram Stroke: approx. 1,120 mm
• Stroke Rate (variable): 6 – 15 strokes/min
• Stroke Rate (setup mode): approx. 4 strokes/min
• Die Installation Height: 1,100 – 1,650 mm (min./max.)
• Ram Adjustment: 550 mm
• Bolster Size (W × D): 5,000 × 2,500 mm . Equiped with two moving bolsters.
• Maximum Upper Die Weight: 38,000 kg
• Slide Cushion Stroke: max. 200 mm
• Cushion Force (in slide): max. 1,000 kN

Hydraulic Cushion in Bolster:
• Cushion Stroke: max. 350 mm
• Counterholding Force: max. 6,000 kN
• Ejection Force: max. 600 kN

Clutch / Brake System:
• Permissible Operating Pressure: 50 / 60 bar

Application:
Primary deep drawing and first forming operations for large sheet metal components.

Stations 2 to 5 – Forming / Finishing Presses

Manufacturer: SCHULER
Model: EBS 4-1500-4.5-100
Country of Origin: Germany

Main Technical Specifications (translated from German):
• Rated Capacity: 1,500 kN
• Rated Stroke: 25 mm
• Working Energy: 375 kJ at 6 strokes/min
• Stroke Rate: 6 – 18 strokes/min
• Setup Stroke Rate: approx. 4 strokes/min
• Main Drive Motor Power: 200 kW
• Motor Speed: 670 – 2,000 rpm
• Slide Stroke: 1,100 mm
• Slide Adjustment: 500 mm
• Press Bed Size (W × D): 4,500 × 2,500 mm. Equiped with two moving bolsters.
• Slide Cushion Force: 2,500 kN
• Cushion Stroke: 250 mm
• Ejection Force: 1,500 kN at 5 bar

Application:
Secondary forming, trimming, piercing, restrike, and final shaping operations.

Line Capabilities & Advantages

• High rigidity mechanical press design for precision forming
• Optimized tandem layout for progressive multi-stage stamping
• Large bed sizes suitable for automotive body and structural parts
• Variable stroke rates allowing production and setup flexibility
• Suitable for automation systems (destackers, transfer, robots)
• Proven German engineering for high reliability and long service life

Typical Applications

• Automotive body panels
• Structural and reinforcement components
• Large deep-drawn and formed sheet metal parts
• High-volume serial production