【Haichuan Equipment Guessing Game】Guess what this is used for
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Guess what this is used for
One ball above, one ball below – surely it’s some kind of ball-related thing?
This is probably for expanding the diameter; the copper ball passes through naturally, while this one needs to be pressed in
Is it to prevent the elbow from being crushed during stamping?
It looks like a elbow; it must be connected. The diameter should be enlarged
What you mentioned is closer to it; the bend causes some deformation in the middle