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High Precision Q195 / Q235 Straight Seam Welded Tube Mill Line ZG165

ZG165

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Description

ZG series high frequency straight seam? welded tube machine technical accessory

?Machine type: ZG165 ?

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Production capacity:

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Sequence | item | numerical value |
1 | Tube diameter | Φ50.8mm～Φ165mm |
2 | Tube thickness | δ2.5mm～7.1mm,square tubeδ≤5.0mm |
3 | Rolling speed | 15M/min～50M/min When the thickness is 2mm, speed is about 50M/min When the thickness is 3mm, speed is about 40M/min When the thickness is 4mm, speed is about 30M/min When the thickness is5mm, speed is about 20M/min When the thickness is 6mm, speed is about ?15M/min When the thickness is 7.1mm, speed is about 10M/min |
4 | Length of tube | 15M～50M |
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? # Size of steel strip:

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Sequence | item | numerical value | remark |
1 | Thickness of steel strip | δ2.5～7.1mm | Material: Q195,Q235 Brinell hardness: ≤60° |
2 | Width of steel strip | H160～520mm |
3 | Outer diameter of steel coil | Φmax=1800mm |
4 | Inner diameter of steel coil | Φ500mm～Φ600mm |
5 | Maximum weight of steel coil | ≤10T |
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?Production working flow:

Raw material (steel strip coil) →decoiler→flattening→powerful leveling →shear and butt-welder→horizontal type accumulator→passively leveling→forming machine→high frequency welding →remove the burrs outside→eddy current flaw detector→spraying cooling →sizing machine→straightening→fixed length cutting →run out table→finished tube

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?Each part of machine introduction
# # Uncoiler


The function of this part is to separating the steel strip coil and become to the raw material to roll forming . The steel strip coil will be brought in to the below of the double-drill uncoiler, hydraulic cylinder support the steel strip coil to the centre of the double-drill uncoiler , double-drill uncoiler began moving to hold the steel strip coil, coil car? fall off by hydraulic cylinder and go back.

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Structure type | Double-drill automatic decoiling |
Inner diameter of steel coil | Φ500mm～Φ600mm |
Outer diameter of steel coil | Φmax=1800mm |
Width of steel coil | H160mm～H520mm |
Wight of steel coil | ≤10T |
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Flattening and powerful leveling machine

The function of this part is to separating the front head of steel strip on the uncoiler,also reversed bending the steel coil head to adjusting it’s character of inner curl. Steel strip will enter into the flattening machine by dynamic rubber roll. Flattening machine equipped with one set of pinch roll device and five roll leveling device ,there is one pairs centring device in front and behind it.

(Flattening machine)

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Shear and butt-welder machine

The function of this part is using hydraulic knife to cutting the irregular part in the front and end of the steel strip through the motor controlled by the human. Adjusting the size of the welding seam, translation hydraulic cylinder moving it to the welding position, two welding platen pressing it than moving the welding gun to the position of welding seam. Opening the motor ,welding and connecting two steel strip by using carbon dioxide arc welding ,polishing and flattening the welding seam by human, so the machine can working continuous. Shear and butt-welder is consist of :electric control operating table ,hydraulic station,welding machine,pinch system,lathe bed system(lathe bed and washer adjusting device),centring system(steel strip end fixed and front head of steel strip translation device ),crane system ,cutting system(cutting device and cutting platen) and welding system(welding tractor and welding platen). Working flow: end of the steel strip enter into the position before cutting –fixed the end of the steel strip-cutting the end of the steel stirp-front head of steel strip enter into the position before cutting- fixed the front head of steel strip –crane moving –adjusting the washer-cutting the front head of steel strip-crane moving –left and right platen fall off-welding –each part back to original position.

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Sequence | item | numerical value | remark |
1 | Thickness of steel strip | δ2.5～7.1m | Material: Q195,Q235 Brinell hardness: ≤60° |
2 | Width of steel strip | H160～520mm |
3 | Structure of machine | # Hydraulic cutting, welding automatic, carbon dioxide arc welding ? |
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Horizontal accumulator:

The function of this part is to storing a mount of steel strip to insure the machine working continuous when the steel strip on the shear and butt-welder..

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structure | Ground structure. |
Volume of storing | When the thickness is 3mm, can storing 700M.? 4mm,can storing 600M.?? 5mm,can storing 500M,? 6mm can storing 400M. 7.1mm can storing 300mm |
Speed of feeding material | Maximum 120m/min |
Range of steel strip width | H160mm～H520mm |
Diameter of horizontal accumulator | 6m |
Storing structure | Change circles |
Feeding motor | DC45KW |
Driving motor | DC45KW |
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Forming machine:(adjusting by worm and worm shaft)

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The function of this part is to make the steel strip become to the tube blank by forming rollers

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? | ? | parameter | remark |
Portal frame | (1),group amount | Seven group | ? |
(2),frame material | Steel casting | ? |
(3),diameter of horizontal roll shaft | Φ120mm | ? |
(4),material of horizontal roll shaft | 40Cr | ? |
Vertical roll seat | (1),group amount | Nine group | Vertical roll group |
(2),vertical roll seat material | Steel casting | ? |
(3),diameter | Φ70mm | ? |
(4),vertical roll material | 45#forging | ? |
Gear box | (1),group amount | Seven group | ? |
(2),box material | Steel casting | ? |
(3),structure | Spiral bevel gear transmission | ? |
(4),spiral bevel gear material | 20CrMnTi | ? |
(5),gear shaft material | 40Cr | ? |
Power transmission structure | Universal shaft transmit to horizontal shaft | ? |
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Guiding ,extruding, scraping:

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(material of extruding roll: H13? heat-resisting, no magnetic)

(scraping : exchange the scraper knife quickly ,different tube diameter choose different tool bit)

The function of this part is to centring the welding seam and guiding the tube blank to extruding device, so the welding seam will be closed before welding .? Use planer tool to remove the crater to insure the welding surface is smooth.

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? | parameter | remark |
Guiding structure | Horizontal roll type | ? |
Welding structure | Four roll extruding type | ? |
Planer tool seat adjusting structure | Lead screw adjusting, quick change knife | ? |
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sizing machine:(adjusting by worm and worm shaft)

The function of this part is used to finishing the tube blank from the forming machine, so the tube size can meet the physical dimension customer required.

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? | ? | parameter | remark |
Portal frame | (1),group amount | Five group | ? |
(2),portal frame material | Steel casting | ? |
(3),diameter of Horizontal roll shaft | Φ120mm | ? |
(4),material of horizontal roll shaft | 40Cr | Tempering and quenching treatment |
Vertical roll seat | (1),group amount | Five group | ? |
(2),vertical seat material | Steel forging | ? |
(3),diameter of vertical roll shaft | Φ70mm | ? |
(4),material of vertical roll shaft | 45#steel casting | ? |
Gear box | (1),group amount | Five group | ? |
(2),material of box | Steel casting | ? |
(3),structure | Spiral bevel gear transmission | ? |
(4),spiral bevel gear material | 20CrMnTi | ? |
(5),gear shaft material | 40Cr | ? |
Power transmission structure | Universal shaft transmission to the shaft | ? |
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Water cooling system:adopt water tank spraying type to make sure the tube blank is cooling enough . length of water tank is 6

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Roughly straightening device:(two sets)

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The function of this part is to straightening the finished tube to achieve the ideal glancing flatness. (single side ,four roll, two sets)

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? | parameter | remark |
(1),straightening roll seat structure | Turkey’s head,360°rotating | Two sets |
(2),diameter of straightening roll shaft | Φ50mm | ? |
(3),material of straightening roll shaft | 40Cr | ? |
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Main driven system

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? | parameter | remark |
Power of main motor | 200KW×2 set | ? |
Reducer type | ZY355-9×2set | ? |
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11. Computer cutting saw:

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The function of this part is to cutting the length of finished tube as customer wanted, have the function of accumulative total for length and amount. Transmission by gear rack ,guide rail choose Thomson profile rail type.

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? | High speed cutting saw |
structure | Normal computer controlled cutting |
(1),maximum diameter | Φ165mm |
(2),maximum weight | δ7.1mm |
(3),cutting length and precision | L=5～12m,≤±6㎜ |
(4),driving type | Hydraulic |
(5),driving motor | DC 45KW |
(6),cutting motor | AC 90KW |
(7),speed of cutting | Maximum 50M/min |
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12.Run out table:(double side)

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The function of this part is convey the finished tube, equipped with dynamic roll. Double side kick out the tube, can take the waste tube to another way. Length:20M

double side type

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Picture 20 run out table

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13.High frequency welding machine:

The high frequency matched with our machine is solid-state? 600? KW.

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???? ?Overall control table??????????? DC speed adjustor?????????

Rectifier cabinet ?????????????inverter output cabinet

Air-Water cooling system ?????????Adjusting frame

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16.Customer’s responsible item.

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Power of supply standard | 380V/220V；50HZ；three phase four wire system | ? |
Power of machine | (1),high-frequency welding machine | ? 600? KW | ? |
(2),main machine | ? 200×2 ?KW | ? |
(3),auxiliary machine | ? 185? KW | ? |
Total: | about 1185 ?KW | ? |
Machine area covering | length110M×width10M | ? |
Volume of high-frequency house | length8M×width4M×height2.8M | ? |
Water supply | One cooling pool? 50M3 /one set of high pressure pump | ? |
?Air supply | Air compressor?? one set | ? |
Needed lifting machine | Air crane 10～15 Ton??? two sets | ? |
Normal consumable auxiliary material | (1)high-frequency cable, machine cable and wire | ? |
(2)impedor (magnetic bar) | ? |
(3)saw blade | ? |
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I.We will offer the include foundation drawing ,water ,electric,air layout drawing after we sign the contract. Operating manual will come along with the machine , the size and model of the purchased part and easily damaged part drawing also include.

II.My company will send 4-5 engineer to installing the machine and responsible for training the worker of customer until they can operating the machine skillful.

Note:

1. the buyer should charge our engineer of visa, roundtrip ticket, food and accommodation and USD60/person/day for salary.?????

2. Terms of payment: 30% should be paid when signing sales ????contract, and the remaining 70% before delivery

3. Delivery time:210 days after we receive the down payment

4. Installing time: we need about 45 days to installing and debugging the machine (all preparation work must be ok. Such as foundation ,water tank, electric wire).

5. Training time: it depend on the worker’s ability, about 30-60days.

6. Guarantee of machine: one year.

In normal circumstance , customer operating the machine correctly according to our advice, if something is broken, we will send a new one to customer by post after we received the information from customer for free.

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