Model NO.: longterm machinery
Equipment Total Power: Around 30kw
Customized: Acceptable
Structure: Main Engine, Hydraulic System, Feeding
Bottom Pushing Device: Automatic or Manual
Trademark: LONGTERM
Transport Package: Standard Seaworthy Package
Origin: China
HFD180 Hot-Spinning Machine (Diameter 89-180mm)
• The HFD180 Hot-Spinning Machine includes Intermediate Frequency Heating Equipment, Thermal-Spinning Forming Machine, Bottom Pushing Machine, etc. The total power of the complete equipment is about 200kW, and the installation area is 13000 x 8000mm. Specific parameters are as follows:
CNG Car Gas Cylinder Manufacture Hot Spinning Machine
Intermediate Frequency Heating Equipment Model D180-110Kw
A. Main Technical Parameters:
Rated Power (Kw) Rated Frequency (Hz) Power Frequency Voltage (V)
110 2500 3-380V
B. Equipment Performance and Technical Requirements:
Rated Power (Kw) Max Power (Kw) Rated Frequency (Hz) Power Frequency Voltage (V) Output Voltage (V) Matching Transformer (KVA)
110 250 2500 3N-380 750 200

1-2, Master Control Board:
The master control board uses imported integrated circuits. Rectifier triggers do not require any adjustment, featuring a phase sequence adaptive circuit with high reliability. The inverter adapts to sweep frequency and zero-pressure start-up, offering heavy load starting capability. The frequency tracking circuit uses average sampling programs to enhance anti-jamming ability of the inverter. Additionally, an inverter angle regulating circuit has been added for automatic load impedance matching.

1-3, Protection and Control:
Internal functions of the master control board include rectifier phase shifting trigger, phase self-adaptation, inverter trigger, reverse lead angle lock, inverter repeat start, over-current protection, over-voltage protection, open-phase protection, hydraulic under-voltage protection, and control panel under-voltage protection, among others.

1-4, Frequency Converter Standards:
ZBK46001-87 Semiconductor Frequency Converter for Induction Heating
JB/DQ6367-88 Semiconductor Frequency Converter for Intermediate Frequency Induction Heating, Product Quality Analysis, etc.
JB4086.85 Technical Condition of Electric Control Equipment for Intermediate Frequency Induction Heating
JB/T4280-93 Intermediate Frequency Coreless Induction Furnace

1-5, Water Tank:
The frequency converter and capacitor all use an open return system, which is convenient for observation. The cabinet body is equipped with a water pressure protection device.

1-6, External Power Cord:
The external frequency power cord enters from the top of the intermediate frequency power supply cabinet.

1-7, Power Regulation:
There is a power regulation knob on the panel of the intermediate frequency power supply cabinet, allowing adjustable output power of the frequency converter.

1-8, Main Circuit Connection:
Main circuits of the power supply cabinet are made of copper.

1-9, Cabinet Color:
Computer spray gray.

C. Cooling Water System

3-1, Technical Data:
Cooling water inlet temperature: 5-35ºC
Cooling water outlet temperature: ≤55ºC
Cooling water pressure: 0.3-0.4Mpa
Water supply: 0.02835P (P is rated power) (m³/h)
Gradient of water return pipe: I-0.01

3-2, Quality Requirement of Cooling Water:
pH: 7-8.5
Total hardness: ≤10 degrees
Available capacity of cooling water pond must be at least 2-3 times the supply water volume.

D. Scope of Supply for Complete Equipment
4-1, Frequency Converter: 1 set
4-2, φ180 Heater: 1 set
4-3, Worktable: 1 set
4-4, Closed Cooling Tower: 1 set

E. Installation, Commissioning and Acceptance
5-1, The customer is responsible for building projects such as workshop design and pond excavation. Under our technical guidance, the customer can complete the installation of the entire set of equipment, including positioning and fixing the equipment, installing the cooling water pipeline, installing connection cables, and connecting the power frequency cable. (Installation materials should be prepared by the customer).

F. Technical Data Provided
6-1, Foundation drawing for equipment installation, drawing for cooling water pipeline (the customer needs to provide the layout dimension drawing of the workshop).
6-2, Operation instruction for KGPS thyristor frequency converter (provided randomly).
6-3, Equipment inspection certificate and factory packing list.

Hot Spinning Machine Technical Parameters
A. Parameters for Cylinder
1-1, Cylinder Material: 34CrMo4 (35 CrMo), 37Mn, 30 CrMo, 45#
1-2, Specification of Cylinder:
        a. Diameter: φ89-180mm
        b. Length: 400--1050mm
        c. Thickness: 5--12mm
        d. Weight: <80kg

B. Performance for Hot Spinning Machine
2.1, Production rate: <80s/bottle (including input and output material time)
2.2, Equipment total power: around 60KW
       Main motor: 30KW--6P
2.3, Flap rotation torque: 20KN.m
2.4, Hydraulic system nominal operating pressure: 5--8Mpa (low pressure), 6-15Mpa (high pressure)
2.5, Speed of Mainshaft: 400~450 R/M
2.6, Two optional types for auxiliary heating: Automatic or Manual

C. Structure of Hot Spinning Machine
3.1, Hot spinning machine main engine includes main engine chassis, main shaft, jack catch clamping device, grip cylinder, oil dispenser.
3.2, Panel turnover mechanism includes turning plate, turning plate oil cylinder, turning plate bearing (single-boom) and adjusting mechanism, turning plate center lower than 20mm of main shaft center, cushion block.
3.3, Equipment includes feeding mechanism, discharge mechanism, air cylinder, removable and adjustable feed frame.
3.4, Steel pipe positioning mode: prelocalization
3.5, Hydraulic system includes high-low pressure pump, control valve and connecting pipeline.
3.6, One set electric control cabinet, one set electric control box.
3.7, Two types for Mould lifting device: Automatic or Manual

Main components for electric control box:
Name Manufacturer
Main bearing of the spindle Luoyang Bearing Factory (China)
PLC Mitsubishi (Japan)
Motor control AC contactor Schneider (Electric Company)
Air switch, circuit breaker Schneider (Electric Company)
Bottom switch Schneider (Electric Company)
Intermediate relay Omron
Programming controller Mitsubishi (Japan)
Touch screen TAIDA
Encoder Koyo


D100 Bottom Pushing Machine
A. Parameter for Cylinder:
1.1, Material for Cylinder: 34CrMo4 (35 CrMo), 37Mn, 30 CrMo, 45#
1.2, Specification of Cylinder:
       a. Diameter: φ108-180mm
       b. Length: 400--1050mm
       c. Thickness: 5--12mm
       d. Weight: <80kg

B. Performance for Bottom Pushing Machine
2.1, Production rate: <80s/bottle (including the time of input and output material)
2.2, Equipment total power: around 30KW

C. Structure of Bottom Pushing Machine
3.1, Bottom Pushing Machine consists of main engine, hydraulic system, feeding and discharging mechanism.
3.2, Two types for Bottom Pushing Device: Automatic or Manual
3.3, A set of Deslagging Device


CNC Roller Type Spinning Machine
Processing Diameter: 406~920mm
Machine Model THG622 THG660 THG720 THG920
Processing Diameter 406-622mm 406-660mm 559-720mm 559-920mm
Processing Length 5500-12500mm 5500-12500mm 5500-12500mm 5500-12500mm
Processing Thickness 10-30mm 10-30mm 10-30mm 10-30mm
Central Height 1300mm 1300mm 1300mm 1300mm
Main Engine Power 200Kw 250Kw 280Kw 355Kw
Rolling Wheel Swing Angle 90 degree 90 degree 90 degree 90 degree
Control Methods CNC CNC CNC CNC
Machine Dimension L*W*H 23000*3200*2300mm 23000*3200*2300mm 31000*3200*2500mm 31000*3200*3300mm
CNG Car Gas Cylinder Manufacture Hot Spinning Machine

CNC Roller Type Spinning Machine
Processing Diameter: 219~406mm
Machine Model THG325 THG406-IV
Processing Diameter 219-325mm 325mm-406mm
Processing Length 800-2000mm 800-2000mm
Processing Thickness 5-15mm 5-18mm
Central Height 1100mm 1200mm
Main Engine Power 90Kw 144Kw
Rolling Wheel Swing Angle 100 degree 100 degree
Spindle Speed 700rpm 700rpm
Control Methods CNC CNC
Machine Dimension L*W*H 16000*2000*1420mm 18000*2000*1600mm
CNG Car Gas Cylinder Manufacture Hot Spinning Machine

Template Type Spinning Machine
Processing Diameter: 200~406mm
Machine Model THM232 THM325 THM406
Processing Diameter 200-232mm 219-325mm 325-406mm
Processing Length 700-1700mm 800-2000mm 800-2000mm
Processing Thickness 3-15mm 5-15mm 5-18mm
Central Height 1000mm 1100mm 1200mm
Main Engine Power 37Kw 90Kw 110Kw
Template Retroflexion Angle 90 degree 90 degree 90 degree
Template Center Height Adjust +-20mm +-30mm +-30mm
Control Method PLC PLC PLC
Machine Dimension L*W*H 16000*2000*1300mm 16000*2000*1420mm 18000*2000*1600mm
CNG Car Gas Cylinder Manufacture Hot Spinning Machine

Double Roller Series CNC Playback General Spinning Flow Forming Machine
Processing Diameter: 690~3000mm
Model Max Rough Diameter (mm) Height from Spindle to Tailstock (mm) Longitudinal Thrust (KN) Radial Trust (KN)
350PCNC 690 1100 24 24
450PCNC 890 1250 65 65
800PCNC 1590 1250 65 65
700PCNC 1400 2300 150 150
900PCNC 1800 2500 200 200
1200PCNC 2400 2500 300 300
1500PCNC 3000 3500 400 400
CNG Car Gas Cylinder Manufacture Hot Spinning Machine

Triple Roller Type CNC Power Spinning Flow Forming Machine
Name Unit QX63-10CNC QX63-20CNC QX63-30CNC
Max Rough Diameter mm 400 600 700
Min Rough Diameter mm 60 60 100
Max length of work piece (positive rotation) mm 1200 2000 2500
Max length of work piece (contrarotation) mm 2200 3000 4000
Double center distance mm 4700 6000 6500
Spindle Speed rpm 30-600 30-600 30-500
Main engine power Kw 37/40 100/110 120
Tail force KN 50 75 150
Spinning roller base longitudinal stroke mm 1500 2000/2500 2500/3000
Spinning roller base longitudinal thrust KN 170 250/300 400/450
Spinning roller base horizontal stroke mm 170 270 300
Spinning roller base horizontal thrust KN 3*100 3*200 3*300
CNG Car Gas Cylinder Manufacture Hot Spinning Machine

Concave Bottom Stamping Machine
Machine Model 250CD 400CD 500CD
Forming Force 2500KN 4000KN 5000KN
Processing Diameter 219-232mm 219-406mm 219-406mm
Processing Length 1700mm 2000mm 2000mm
Processing Thickness 18mm 18mm 18mm
Central Height 650mm 800mm 800mm
Control Methods PLC PLC PLC



F&Q
We are professional manufacturers of LPG tank production lines. To provide you with the correct machinery, we need the following information:
Q: What size of LNG cylinder can your machine produce?
A: 15kg and 50kg LNG cylinders, and other sizes according to customer requirements.
Q: Can you design machines based on LNG cylinder technical drawings?
A: Yes, please send us your technical drawings.
Q: What are the benefits of choosing your machines?
A: Our machines are strong and reliable for long-term industrial manufacturing.

To help us provide the right proposal, please share the following details:
1. Can you send us the technical drawing of the cylinders you want to make?
2. What size of cylinder do you want to produce? (15kg, 50kg)
3. What type of gas will be used inside the cylinder? Nitrogen, Oxygen, etc.
4. What temperature?
5. What diameter and thickness of the cylinder do you want to make?
6. What length and material of the cylinder do you want to make? Stainless steel or carbon steel?
7. Are you new to this industry or do you already have some machines in your workshop?
8. What capacity do you require? How many pieces and sizes do you want to make per day?

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Guangdong Huachang Group Co., Ltd. , https://www.wacangaluminium.com

September 03, 2025