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China pipe automatic welding machine
China pipe automatic welding machine
When you need to make carbon steel round pipe at different diameter sizes, this machine will be a good choice for you. As it could make round pipe from 10-127mm diameter within the thickness 0.5-5mm.
The machine working speed at 30-90m/min.
The following types pipe automatic welding machine :
Here pipe automatic welding machine :
More about pipe automatic welding machine :
II. The technical flow of the production line
{SteelTape}→→ Double-head un-coiler →→Strip-head Cutter and welder→→
Spiral Accumulator→→Forming section(Flattening unit +Main driving unit +Forming unit +Guide unit +High frequency induction welding unit +squeeze roller)+ De-burr frame →→Cooling unit →→ Sizing unit and straightened →→Flying saw under computer-control →→ Run-out table
III. Basic conditions:
b) Steel Pipe Specification
1. Material: Low Carbon steel
2. Steel Tape: Inner diameter: Φ470-510mm
Outer diameter: Φmax=1500mm
Strip steel width: 40mm-160mm
Strip steel thickness: 0.5mm-2.5mm
The maximum weight: 1.0 tons
c) Electricity
1. Dynamic power: AC380V±10%, 3phases, 50Hz±1.0%
2. Control Power: AC220V±10%, one phase, 50 Hz ±1.0%
d) Electric installed capacity: appro. 250KW
e) Cooling water
1. Reservoir for High Frequency equipment: 15 m³, one set
2. Reservoir for circulating cooling water: 15 m³, one set
f) Compressed air
1. Pressure: 0.4Mpa
2. Flow: 0.5m3/h
g) Production capacity
Annual output: 10000 ton, according to the yearly working days,daily working hours and the products.
h) Line speed: 30-90m/min
IV. Equipment makeup and main parameters of single unit:
1. Double-head un-coiler
1.1. Briefing: Rotary type to change coils easily, with a pneumatic brake
1.2. Parameters:
- Coil width: max.160mm
- Coil OD: max. Ø1500mm
- Coil ID: Ø 470- Ø 510mm
- Coil weight: max. 1.0 tons
1.3. Mandrel expansion by Pneumatic
1.4. Mandrel position rotation shall be manual
1.5. Pneumatic brake
2. Shearing & butt welding machine
2.1 Hydraulic shearing parameters machine:
- Cutting by hydraulic
- Width: ≤160mm
- Thickness: ≤2.0mm
2.2 Butt welding machine by manual
- welding machine
3. Horizontal spiral accumulator
3.1 Low bracket: 1 set
3.2 Revolver: 1 set
3.3 7 rollers Flattening unit: 1 set
3.4 2 rollers feeding: 1 set
3.5 Accumulator: 1 set
- Feeding speed: Max.200m/min
- Storing capacity: 500meter -700 meter
3.6 High bracket: 1 set
Cage loop
3.1 Feeding speed: 200m/min
3.2 Pinch roll drive: 7.5 KW AC motor with gear box
3.3 Pinch roll Dia.: 150mm
3.4 Storage: 300-400m
4. Forming & sizing section
4.1 Forming mill gearbox, universal joint
4.1.1 Mill entry flattener by five-roll passive levelling, one pair of sending roll, two pairs of vertical roll
4.1.2 Forming mill consists of:
- Driven stand: 7 sets (Horizontal)
- Driven stand shaft: Ø45mm
- Material of shaft: 40Cr
- Side roll stand: 8 sets(Vertical)
- Side roll stand shaft: Ø30mm
- Material of shaft: 40Cr
- Gear box & universal joint: 7sets
- Material of gear box: cast steel
- Material of gear: 20CrMnTi
4.2 Sizing mill gear box, universal joint
4.2.1 Sizing mill consist of:
- Driven stand: 4 sets (Horizontal)
- Driven stand shaft: Ø45mm
- Material of shaft: 40Cr
- Side roll stand: 4 sets(Vertical)
- Side roll stand shaft: Ø30mm
- Material of shaft: 40Cr
- Gear box & universal joint: 4 sets
- Material of gear box: cast steel
- Material of gear: 20CrMnTi
- 3 sets single head Turk’s head, with 4 rollers*3sets
- One speed testing roller with air cylinder for CNC flying saw
4.3 Drived motor
- Main motor: 55kW Model: Z4-200-31 1 set
- Main redactor: 1 set
5. Welding section
5.1 Welding section consist of:
- Seam guide unit: 1 set
- Squeeze stand: 2 rollers
- De-burr frame: 1 set (2 heads)
- Horizontal unit for seam ironing: 2 rollers
5.2 Cooling section
- Cooling trough: 1 set
- Cooling trough length: 3 m
5.3 Solid state High frequency welder (GGP100KW or 200kw)
- Nominal power: 100kW
- Rated DC power: Pd=120kW
- Rated DC voltage: UdN=450V
- Rated DC current: IdN=270A
- The whole efficiency: η≥85%
- Output power: Pout>100kW
- Designed frequency: f=450~500kHz
- MOSFET inverter: 60kW×2
- Tank circuit output mode: no welding transformer output, secondary resonance
- With water-water cooler for welder
After Service
a.One year guarantee for whole machine.
b.24 hours technical support by email or calling
c.If there is any problem found of the machine, we will repair it for free in one year.
Delivery Terms round pipe roll forming machine :
- Shipment within 45 working days after receipt of down payment or the formal L/C documents.
Payment Terms:
Method 1
Payment of the contract with following schedule:
- 30%: The payment shall pay by T/T the down payment to the Seller within 15 days after the signature of the Contract. The Contract then comes into effect.
- 70%: The buyer shall pay to seller the remaining 70% of total contract amount before the seller’s ship the machine to XINGANG, CHINA.
Method 2
L/C is also acceptable.
Equipment Manufacturing and Inspection/Test round pipe roll forming machine:
1. The Seller manufactures the equipment according to the relevant standards strictly and tests the equipment according to the technical documents.
2. The Buyer shall inspect and test the commodities at the Seller’s factory at the Seller informs to confirm their conformity to the Contract Specifications. If the Buyer fails to arrive on time, the Seller shall have the right to deliver the goods according to the date stipulated in the Contract.
Technical Documents round pipe roll forming machine
The Seller shall submit the following documents in English:
1. Foundation Plan (including the arrangement of water, electricity and air ect.)
2. Arrangement Plan
3.Operation Instruction (including the structure diagrams of the equipment, operation instruction, maintenance and trouble shooting, safe rules, consumable parts list and purchased parts list)
Installation, Commissioning, Test and Training
1. The engineers from the Seller shall supervise the installation on site and fulfill the commissioning. They should start off within 10 days after they get the information from the Buyer.
2. The Buyer signs in the Certificate of Acceptance.
3. The Seller trains the operators of the Buyer during the commissioning
4. Commissioning: about 3 engineers in 30 days.
5. The Buyer shall pay for the international air tickets and the local, such as board and lodging, daily transportation, communication,Insurance, etc. The Buyer shall pay USD 100 /day /person to the Seller for the commissioning.
6. The Buyer shall prepare an interpreter for better communication between the two sides.
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