Nodular cast iron diameter changes straight pipe

Straight pipe is machining range:

1. The categories:

Become straight tube diameter: Φ  219 ~Φ  1000 mm

Become straight pipe wall: 6 ~ 30 mm

Flange diameter: Φ 350 ~Φ 1400 mm

Flange thickness: 15 ~ 60 mm

Become straight pipe length: 4 ~ 12 m

2. Materials: low carbon steel, low alloy steel.

3. Workpiece state:

The tube bending should meet the relevant national standard requirement is: no more than 2 mm per meter.

The material of the pipe end with the power industry standard DL/T646-2006, maximum deviation is less than 2.5 mm.

If use flame cutting of material, cut point and end point on the wrong side must not exceed 2 millimeter.

Feeding tube end should level off, can not have obvious bump.

Get into steel pipe ellipse should be less than 1% of the pipe diameter, and largest no more than 12 mm.

Docking with steel pipes ellipse should be less than 0.6%, namely (long axis diameter-short axis diameter) / steel pipe diameter

If use straight sew steel tube, weld high is not more than more than 3 mm.

4. The surface: the welding in should remove grease, corrosion, lest affect welding quality factors.

5. Automatic welding workpiece before state:

The material of straight pipe and qualified qualified flange.

6. Up-down material way: the automatic up-down material..

7. Steel flange connection: plug-and-socket, docking.

Three, main technical parameters:

Input phase number, voltage, frequency- - - - - - - - - - AC380V frequency 50 HZ 3 phase

Rated input- - - - - - - - - - - - - - - - - - - - 200 kW

The welding speed- - - - - - - - - - - - - - 50 ~ 500 mm/min

Pneumatic system pressure rated- - - - - - - - - - - - - - 0.6 MPa

Hydraulic system pressure rated- - - - - - - - - - - - - - 12 MPa

Equipment USES:

This production line is used in steel tube and between the flange joint and plug-and-socket form of semi-automatic assembling and automatic welding. This includes a PA1012 straight pipe flanges group to machine, with two PW1012 straight pipe flange ring welding machine and PF1012 material conveying system one.