Hebei Tengtian Welded Pipe Equipment Manufacturing Co.,Ltd.
Hebei Tengtian Welded Pipe Equipment Manufacturing Co.,Ltd. Quality first, Customer first
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Design guideline :
●Improve operational performance and production performance;
●Improve the environment and security of the operations;
●Improve product stability;
●Improve product productivity;
●Reduce roll costs.
According to the designing guideline of improving the operating character & environment and the safety & producing character, reducing the cost of the roller to guarantee high efficiency, HG50 production line adopts the double-radius hole style of design.
Conforming to the YB189-64 standard
(1)Material: Low carbon steel and low alloy constructional steel
(2)Mechanical properties: σb≤520Mpa,σs≤340MPa
(3)Strip Width:56～160mm
(4)Strip Thickness:1.0～3.0mm
(5)Steel strip coil:Inner Diameter of Coils:φ480～φ520mm
Outer Diameter of Coils:φ1000～φ1800mm
(6)Coil Weight:≤2T
(1)Round Pipe Diameter:φ16～φ50mm
(2)Wall Thickness of Pipes:1.0～3.0mm
(3)Fixed Cutting length:4～12m
(4)Pipe-cutting Precision:0～3mm
20～100m/min
(1)Power:
Power Volume of the Line Approx.600KW
Power Source 380V/50Hz/3phases
(2)Circulation Cooling Water:
Flow:30T/h～40 T/h
Pool Volume:60m3
(3)Compressed Air
Flow:5m3/min
Pressure:5～7kg/ cm2
8m wide, 100m long, at least 5m high from Ceiling Rails to Ground.
The uncoiler is of the structure of double expansion and cantilever mandrels. It contains two main parts: main body and the fixed base. The main body is equipped with pneumatic system to satisfy the needs of expanding, contracting and braking of the mandrels.
| OD of coil | Φ1000-1800mm |
| ID of coil | Φ480-520mm |
| Thickness of strip | 1.0-3.0mm |
| Width of strip | 56-160mm |
| Weight of single strip | Max2T |
| Expansion Type | manual operation |
| Break | Pneumatic driving |
Structural form: shear welding bed, pinch feeding device, double centering device, double shearing shearing system, shearing plate system, welding bottom plate driving system, etc.
| Strip width | 56-160mm |
| Welding thickness | 1.0-3.0mm |
| Cutting Type | Automatic shear |
| Welding Mode | Automatic welding |
| Hydraulic pressure | 8-10MPa |
| Working Cycle | Max.180 seconds |
This unit is main include in press& carry material device, accumulator assemble, carry off material unit, electric control unit.
press & carry material device:it can supply the strip steel to accumulator and the mean times it will transfer the carry velocity information to electric control system, when we demand stop carry the material to this unit, it will stop roll to the electric motor and press& carry material roll by the break, and also could adjust the velocity to carry electric motor and the unit carry material velocity.
Accumulator frame assemble:It can be used to storage the strip steel material from press& carry unit and it could be draw from the center send-off material roll.
Send-off material device: It can carry the strip steel to shape system and send the carry out material velocity information to electric control device.
specification:
| working style | change circle |
| carry material going velocity | Vmax=240m/min |
| advantage | More material, No strike |
| Pinch form | Pneumatic, 6Mpa |
| steel coil thickness | 1.0-3.0mm |
| width | 56-160mm |
| storage area | 3.0 m2 |
| electric motor power of the press & carry | 11KW |
| the electric motor of the accumulator frame | 22KW |
The forming & sizing unit is the vital equipment to the pipe mill line. This unit abide by the roll frame theory. It could continue process some specification steel tube by no-contact welding, that is carrying some strip steel to this unit and let it passing the frame roll to frame tube raw, and then take the electric fluid together on the tube welding surface so as to treat the tube temperature higher to suit welding by the pressing roll welding, and then after cooling, forming sizing and flattener to product what is your demand tube.
| Forming Pipe OD. | Round:Φ16-50mm |
| Forming Pipe Wall Thickness | 1.0-3.0mm |
| Forming speed | Max.100m/min |
| Number. of forming stands, horizontal | 7 |
| Number. of forming stands, vertical | 10 |
| Guide Roll Stand | 1 |
| Squeeze Roll Stand | 1 |
| Grinding Roll Stand | 1 |
| Bur Scraping Cutter | 2 Sets |
| No. of sizing stands, horizontal | 5 |
| Number. of sizing stands, vertical | 5 |
| Turks Head | 2 sets with single head |
| Shaft dia. and material of horizontal roll stand | Φ60mm, Material 40Cr |
| Shaft dia. and Material of vertical roll stand | Φ40Material 40Cr |
The cutter machine is the key equipment in the production pipe, and it used to precisely cut all kinds of frame tube automatically. Concerning to using high accurate STD control system and machinery system, this unit has the good precisely dimension advantage, and the machinery transfer best advantage, so the quickly ability and accurate processing is this unit advantage.
Machine parameters :
(a)Drive motor: 15KW servo motor
(b)Cutting motor: 15KW variable frequency
(c)Maximum linear speed: 100m/min.
(d)Cutting length range: 4 ~ 12meters
(e)Cutting length accuracy: ±1.5mm (Line speed fluctuation does not exceed 2%)
(f)Feeding direction: according to customer require
(g)Tracking speed: Same as tube mill (20-100m/min)
(h)Equiment function: Automatic, manual, It has the function of cutting short ruler
The finished pipes run along the Transit roller and to be automatically moved onto the Bench. Then simple Packing Machine packs the pipes in hexagon shape.
Motor: 3kw
Length: 18m
Material: Cr12
Hardness of roller: HRC58-62
Deepness of quench hardening:≥ 10mm
Roughness of surface: Ra≤0.8um
(1)200KW solid state High Frequency Welder,380V/220V,50Hz
(2)Design parameter
● Nominal power:200kW
● Rated dc power:Pd=200kW
● Rated dc voltage:UdN=450V
● Rated dc current:IdN=1350A
● Power supply efficiency:η≥85%
● Output power:Pout＞200kW
● Design frequency:f=200KHz±50KHZ
● MOSFET inverter: 120kW×6
● Output form of slot way:
No output welding transformer, secondary resonance
(3) Distribution requirements
● Nominal power: 200kW
● Rated dc power: Pd=200kW
● Rated power factor: COSφ≥0.9
● Distribution capacity: S≥800kVA
● Service voltage: 380V/50Hz
● Into the line current: I=1050A
● Incoming cable: two 240mm² copper cables are used in parallel, three phase four wire system
● Water - water heat exchanger
● Internal circulation water pressure:0.15~0.25MPa
◆ Internal circulation water flow:50m³/h
◆ Water outlet temperature of inner circulating water: ≤40℃
◆ Inner circulating water return water temperature:≤45℃
● Heat exchanger area:≥25m²
● External circulation water flow:≥65.4m³/h(BUYER SUPPLY)
◆ External circulation water inlet temperature:≤35℃
◆ Intake water pressure:0.20～0.3MPa(about 2.0～3kg/cm²)
Welding type:Induction
TYPE:Water-Water cooling system
- Shipment within 4 months after receipt of down payment
- 30%: The total amount of down payment shall be paid by T/T to the Seller within 15 days after the signature of the Contract. The Contract then comes into effect.
- 70%: Before shipment by L/C .
Pre-sales service:
·We can provide pictures of the finished equipment before shipment to ensure the authenticity of our products.
·If the government does not allow the seller to leave China and go to the customer's country for equipment debugging, we will provide online remote guidance to the buyer’s engineer, and do seller’s best to provide a clear and complete layout to help the buyer with equipment installation and commissioning.
·If the Chinese government can allow the seller to leave China and go to the customer's country for equipment debugging, we will send engineers there as described below:
Equipment arriving at the buyer, the technical services personnel at the scene debugging, maintenance, equipment commissioning, commissioning, operation and maintenance instruction, responsible for technical training for equipment operation and maintenance personnel of the buyer.
The debugging time is one month,within one month The buyer need pay for the engineer salary USD 150.00 one day one person,the supply the atrtickets for round trip,also need supply the local cost,like food, rooms and transform.If due to the buyer reason,delay the debugging time,the buyer need pay for the engineer USD 150.00 one person one day.
Number of equipment commissioning engineers:At least three.
After-sales service:
Used in users abide by the rules, under normal operating equipment, since 12 months from the date of the arrival of the equipment, such as positively impact on the quality to use, parts damage lead to equipment can't normal work, factory will give the repair or replacement free of charge.The debugging time is one month,within one month The buyer need pay for the engineer salary USD 150.00 one day one person,the supply the atrtickets for round trip,also need supply the local cost,like food, rooms and transform.If due to the buyer reason,delay the debugging time,the buyer need pay for the engineer USD 150.00 one person one day.
Number of equipment commissioning engineers:At least three.
●Instruction Manual (provided at the time of a month before delivery time)
●Inspection Certificate (provided at the delivery time)
●Loading Order (Provided at the delivery time)
●Layout Drawing (provided at the time of a month before delivery time)
●Ground Base Drawing (provided at the time of a month before delivery time)
●Electrical Principle Diagram
●Overall Assembly Drawing of every unit of the line
●Part Diagram of Vulnerable Parts
