What are the requirements when grooving stainless steel pipe? How to groove the stainless steel pipe?



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1.The requirements for stainless steel grooving


(1)The cut should be smooth and free of cracks, bumps, shrinkage and other defects.

(2)The pipe end  should be rounded, the wall thickness should be uniform, and the surface slag and oxide should be removed.

(3)It is recommended to use special roll grooving machine with limit device.

(4) It is requested to meet the followings when grooving:

      a. Make sure the pipe end is smooth surface, and flat.

    b.The center of the groove is concentric with the pipe wall, and the width and depth of the groove meet the requirements.

      c. No damage on the pipe coating.

      d.The  A, B, C and F dimensions of the groove should be meet the specification.



2.How to groove stainless steel pipe


It is a good choice to groove stainless steel pipes with Tuwei roll grooving machine. The operation steps are as follows:


(1)Check the workpiece: Cut the pipe to the required length with pipe cutting machine , the pipe end should be flat without burrs, and the inner side of welded pipes should be smooth;


(2)Inspect the equipment: Check whether the power supply meets the requirements to prevent motor from damage. Check whether the hydraulic oil is sufficient, notice the machine will not work properly if there is not enough oil inside.


(3)Place the pipe: Put one end of the pipe on the lower roll of the machine, and the other end on the pipe support, the pipe support should be placed at 2/3 of the total length of the pipe. then adjust the height of pipe support to horizontal or 1 degree lower.



(4)Adjust groove depth: Tighten the relief valve, shake the oil pump handle, make the upper roller downward and touch the pipe surface. Then turn the limit nut down, let it contact the oil pump surface, check the groove depth on the nameplate table, and rotate limit nut to the appropriate scale, then fix it with fastening nut.


(5)Grooving operation: Plug the power, start the roll grooving machine, and slowly shake the handle of the oil pump to start grooving. When the limit nut contacts the oil pump surface, allow the pipe to rotate additional one or two turns to make sure groove is completed, then turn off the switch.


(6) Measure groove depth: Release the relief valve, remove the pipe, and measure the groove depth with a PI ruler.


The above are the requirements and operation steps to groove  stainless steel pipe . Victualic-Tuwei companyas been deeply involved in the pipe tools industry. Roll grooving machines, pipe cutting machines, hole cutting machines, pipe threading machines and other products developed by Victaulic-Tuwei receive a good reputation because of its high quality and good performance. If you have any pipe tools needs or doubts, welcome to contact us at any time.


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