Abstract
We study mainly the reasons of shallow insertion depth of positioning sleeve of piston rod, welding sequence, welding parameters and small foot size. Then, we take the following measures, such as improving the welding sequence and position, strictly controlling welding process parameters, improving the quality awareness of welding operators and controlling the depth of positioning sleeve. Finally, we have perfectly controlled the quality problem of plugging and welding oil leakage of the small end rod.
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More From: IOP Conference Series: Materials Science and Engineering
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