LPG Cylinder Production involves several process steps starting from forming to final testing that can be streamlined into the following lines:
1. Circle Blanking Line 2. Body Forming Line
3. Welding Production Line 4. Heat Treatment and Hydrostatic Testing Line
5. Shot Blasting and Surface Coating Line 6. Finishing Line with Pneumatic Testing Line
Getweld supply all the machineries for the whole production line. Give you professional solutions for your new LPG Cylinder plant. We also could help you update your old plant with advanced automatic technology.
1. Circle Blanking Line
De-coil and punching machine for small round sheet cutting from big sheet(material preparing for shell)
Plate Thickness: 2-4mm
Width of plate: Max.1170mm
ID of steel coil: 450-800mm
OD of steel coil: Max.1800mm
Weight of steel coil: Max.25T
Coil blanking specification: Ø370-Ø615mm
Blanking period: 12s/time including auxiliary time
2. Body Forming Line
Body forming line according Deep Drawing, Trimming, Polishing, and Necking, make the circle blanks to half and make it suitable for welding.
Deep Drawing Machine (Streching /Head Forming Machine)
1. Nominal force 3000KN
2. Drawing force 2000KN
3. Blank holder force 250×4KN
4. Max. fluid working pressure 25MPa
5. Stroke of drawing slide 700mm
6. Stroke of blank-holder slide 400mm
7. Max. daylight of drawing slide 1400mm
Trimming machine
1. Motor power: 5.5KW
2. Air pressure: 0.6Mpa
3. Process time: 20s
4.The weight of machine: 1.5tons
Necking in machine
This machine is specialized in producing the head plate and shrinking mouth of LPG cylinder .It adopts pneumatic loading& clamping, cam control, automatic feeding, continuous working. It is also suitable for air compressor storage air compressor storage tank reducing mouth. (It can design and manufacture according to the actual requirement)
3. Welding Production Line
Valve Seat Welding Machine
Rated voltage: 220V
Motor power: 0.25kw
Air pressure: 0.6Mpa
Foot Ring (bottom base) Welding machine
Current: AC380V+N
Motor power: 0.55kw
Air cylinder pressure: 0.5-0.7Mpa
Guard Ring (handle) Welding Machine
Rated voltage: AC380V
Motor power: 0.55kw
Air cylinder pressure: 0.5-0.7Mpa
Assembly Machine
To assemble both halves of the cylinder together and get ready for welding
Technical data
Cylinder diameter: 250mm
Air cylinder pressure: 0.5-0.7Mpa
Circumferential Welding Machine
This machine is applicated to automated MAG circumferential welding for LPG cylinder,fire extinguisher bottle,etc.
Welding Length: Max.1500mm Ø: 250-400mm
Thickness: 2.5-6mm
This machine price include 1 set panasonic welding machine( Model:GL3-500A),1 set cooling water device, welding seam tracker.
Producing capacity: 250 pcs/8h
4. Heat Treatment and Hydrostatic Testing Line
Heating Treatment
This furnace is designed to anneal LPG cylinders by applying flame from gas burner on the cylinders. It composes, burner, flaming chamber, smoke collector, rails, chain roller, exhaling system.
It feature includes, adjustable time, self-control thermometer, perfect heat treatment result and fire off pollution.
Technical data
Producing efficiency: 75pcs/h
Feeding type: Chain drive/cylinder feeding
Cleaning size: Ø320*700mm------Ø420*1250mm
Dimension:(L*W*H):12500*1390*1560mm removable transport
Hydrostatic Testing Machine
The machine is special for steel cylinder of liquefied gas cylinders, applicable to manufacturers and testing station for wuthstand voltage test on cylinder. Irrigation, pressurization, pressure, maintaining centralized control and automatic pouring completed by using water pump, equipped with a water tank, water can be recycled.
Technical data:
Pneumatic pressure:0.6Mpa
Motor power: 3kw
Hydrostatic test pressure: 3.2Mpa
Weight: 1.1T
5. Shot Blasting and Surface Coating Line
Shot basting Machine
Shot Blasting Machine for LPG Cylinder are predominantly used to clean LPG/CNC/GAS cylinder in a continuous through feed process, remove remains of casting sand and cores, rust, old paint, visible signs of welding, eliminate surface stress, improve the fatigue strength of the workpiece, increases workpiece film adhesion of the paint job, and ultimately achieve the aim of improving the quality of surface and internal, prepare for surface protection
Produing efficiency: 80-120pcs/h
Hot blasting machine: 2 sets
Hoist motor power: 2.2KW
Total power: 31.2KW
Weight: 16T
Workpiece size: Ø320mm*680mm
Machine dimension: (L*W):7885*2460mm
Spraying/Coating/Paintng Machine
The spraying producing line for U track,using electric or natural gas,fuel oil,coal heating,hot air circulation,the allocation of fixed automatic spray gun 4,manual gun 1.Spraying powder or paint on the steel cylinders apperance.The cylinder into the oven drying after spraying
Working voltage:380V 50HZ
Air pressure:0.4-0.6Mpa
Total power:15KW
Working efficiency:180Pcs/jr
6. Finishing Line with Pneumatic Testing Line
Valve Fixing/ Mounting Machine
Motor power: 2.2KW
Motor speed: 1400r/min
Work spindle speed: 15.5r/min
Working air pressure: 0.5-0.6Mpa
Consumption per hour: 1.14m3
Clamping cylinder stroke: 120mm
Rotation speed ration: 1:59
Weight: 0.9T
Air leakage testing machine
Air pressure: 0.6Mpa
Air test pressure: 2.2Mpa
Holding time: 60s
Motor power: 3KW
Weight of machine: 1.8ton
Size of cylinder available: 320*700-420*1250mm
Printing machine
Efficiency: 120 pcs/h
Air source pressure: 0.5-0.6MPa
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