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Procedure for feeding straight seam welded pipe production l

Procedure for feeding straight seam welded pipe production line

The feeding operation rules of the straight seam welded pipe production line: the loading workers first confirm whether the strip steel meets the requirements of the production specifications, check the wall thickness of the steel strip with calipers and micrometers, measure the width with box ruler and visually measure the appearance quality.When prying up the strip head with a crane, it is necessary to tighten the outer ring with a clamp to prevent the strip from loosening, remove the clamp, cut the strip head together with the pressure cutting shears, and send it to the butt welding machine frame.

The introduction of the butt welding process in the straight seam welded pipe production line: with the cooperation of the material workers, align the head and tail of the shear steel, operate the air valve of the clamping machine, and press the steel belt for welding. When welding, we should wear masks, work clothes, gloves and foot covers to prevent the burning of eyes or skin by isolated light, and take good measures.Start clamp valve to remove weld bump and slag.

Storage of the straight seam welded pipe production line: start the lead switch, send the steel belt into the looper or the storage box for material storage, concentrate on the operation of the lead, if there is a fault, contact the feeder and the main console in time, stop and check.When the steel belt is stuck in the looper and the material is turned over, it should be stopped in time and can not be knocked in operation.

Adjustment of worn rolls for straight seam welded pipe production line:When adjusting the roll, the center line of forming roll, extrusion roll and sizing roll should be aligned, and the elevation of vertical rod and the reduction amount of horizontal roll should be adjusted. After adjustment, the deviation between the center of roll pass and the rolling center line should be less than 0.5mm, and the deviation between the center of upper and lower passes should be less than 0.1mm, and the deviation between the height and height of supporting vertical rod should be less than 0.1mm, and the reduction amount on both sides of horizontal rod should be the same.The radial runout and axial movement of the upper and lower rolls should rain 0.5mm.

The steel strip shall be adjusted one by one after entering into the forming unit for vulgar operation. The pipe tube size coming out of the last sortie must meet the welding requirements. The pipe body of the sizing unit shall not be twisted, and the pipe diameter shall meet the standard requirements.

During the production of straight seam welded pipe production line, it is forbidden to check the welding seam by hand in the forming machine, cooling tank and sizing machine to avoid squeezing fingers, and pay attention to check whether the steel pipe is in the brick seam, lap welding, bulge, indentation, etc.If any defect is found, stop and adjust in time, and eliminate the defect.