ERW Steel Pipe Welding Line

 HF8 

Specification

Main machines of Pipe making machine: 

1    Uncoiler

     Function: Used to hold steel coil supplied by coil loading car and align it with the production line. Positive rotation during coil unpacking and passive rotation during line operation.

Structure: consists of expansion head device, drive unit, housing, base frame

2   Cutter & butt welder

     Cutter & butt welder is used to joint the trailing end of foregoing strip with the leading end of the follow-up strip after cutting, so that to ensure continuous pipe making.

3    Spiral accumulator

     Hydraulic cylinder of strip feeding unit holds down steel strip. The feeding motor drives the feeding roll to fill strip into the accumulator by friction force. The main motor rotates supply roll of the accumulator cage to store steel strip in the inner and outer storage zone. The drive motor will stop after one coil finished, and will resume feeding after cutting and welding of another coil.

4    Forming and sizing main unit 

     This unit mainly consists of strip feeder, forming and sizing horizontal/vertical rolls, weld seam guiding unit, welding machine frame, weld seam squeezing unit, deburring blade carrier, cooling water jacket, correction unit, and drive unit, etc.

5    AC speed adjusting 

6    Electronic flying saw

7    Roll conveyor and turning device (24meters)

8    Molds: material Cr12MoV(SKD11)

Delivery:

Within 4 months from the date after signature of the contract and receipt of the downpayment.

Payment:

30% of the contract value will be paid advanced, 70% will be paid defore delivery.