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Punching hole machine

Forming · LPG cylinder production line

Forming
Punching hole machine
Punches the valve-bung hole and other openings in the end dish, with an adjustable cutter angle of 28–40° and a clean, burr-free edge that gives consistent hole position for the downstream valve-bung weld. Cycle time is about 12–15 seconds per piece.
  • Motor power9.5 kW
  • Air pressure0.6 MPa
  • Cutter angle28–40°
  • Lead time60–90 days
  • Warranty12 months
Key Features

What we got right in the design

Servo feed, stable blanks

Decoiling, levelling and feeding run in a closed servo loop, holding blank length within ±0.2 mm without manual correction before drawing.

Quick die change, one line many sizes

End-dish dies for 1 kg to 50 kg cylinders change in about 30 minutes, so a single line covers the full product range.

Scrap discharged automatically

Offcuts are collected on a conveyor instead of accumulating beside the machine, keeping the aisle and the operator station clear.

Specification

Technical data

Standard machine data below. Non-standard sizes can be tooled to your cylinder drawings.

Motor power9.5KW
Air pressure0.6MPa
Hob angle range28~40°
Trimming time / shell12–15sec
Weight1.8T
Power supplyAC 380 V / 50 Hz, 3-phase + N + PE (customized to destination)
ProtectionControl cabinet IP54, actuators IP65
Lead time60 – 90 days after contract effectiveness
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Tell us your cylinder and target output

The more specific your information, the more accurate the quote. Ideally include: cylinder size (1 / 5 / 12.5 / 15 / 25 / 50 kg), sheet thickness, target daily output, existing process and available floor area.

  • ResponseWithin 4 working hours
  • ProposalPreliminary layout in 48 h
  • ConfidentialityNDA available