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Recent content by mechmine
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Lift Lug Punched or Machined??
There normally just used for the initial unloading and placement of equipment. After that there no longer used.- mechmine
- Post #11
- Forum: Mechanical engineering general discussion
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Lift Lug Punched or Machined??
The end user normally uses a Crosby Shackle (3 1/4 TON - 4 3/4 TON). Pin diameters range from .75" to 1" roughly. The lifting lugs are welded 1/4" fillet all around. We do have access to a waterjet table, but the waterjet is expensive to run and cutting 1/2" steel would take some time...- mechmine
- Post #7
- Forum: Mechanical engineering general discussion
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Lift Lug Punched or Machined??
Can you punch the center hole on lifting lugs, or must they be machined (ex: with a MagDrill)?? I want to speed up production and reduce cost, so punching would the obvious choice, but I am concerned with the metallurgical changes that occur during punching. Would punching greatly reduce the...- mechmine
- Thread
- Replies: 14
- Forum: Mechanical engineering general discussion
