blank fits, jaws don't?

AnilBell0636 · 2026年2月23日 07:22 UTC

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AN
AnilBell0636
Our aluminium blank clears the fixture opening on the FR5 layout. Toolmaker added the jaw backs and suddenly it doesn't. Before anyone redraws the entire cell, I want to check whether the problem is the opening itself or the angle they chose to bring the tool through. Door is missing from this view too.

20 条回复

AA
AaronBrooks0784

Does the jaw drawing include the blank being held?

15分
GA
GabrielAli0192

Why is the door missing from a clearance argument?

12分
AN
AnilBell0636

Aaron, yes, blank is in it. Gabriel, old machine drawing. Door got treated as a later detail. I've asked our setter to mark its working opening on the same view.

2分
IS
IsabelArcher0387

Do the cheap drawing check, certainly. But do not spend days saving a base position nobody has actually committed to. I walked away from a layout that consumed the changeover route whichever way we turned it.

16分
IM
ImranArcher0392

If there is another approach available, Anil, what makes this one attractive? Shorter travel, or does the setter need the other side? That would change how much effort I would put into it.

21分
AN
AnilBell0636

Setter works from the other side. I'm trying to keep that access. Isabel, agreed about not falling in love with a dot on the floor. This dot is currently only pencil.

6分
AA
AaronBrooks0784

Can the jaw backs be shorter?

8分
IS
IsabelArcher0387

That is one for the toolmaker, Aaron. Shortening a drawn outline is very cheap until someone has to make it grip properly.

10分
AA
AaronBrooks0784

Meant ask them, not cut them ourselves.

13分
IM
ImranArcher0392

Fair enough. A revised jaw could help, but I would want them to check release as well. A part can be easy to carry in and awkward to leave behind.

6分
AN
AnilBell0636

Door outline is on the drawing now. Straight entry is blocked by the jaw backs; angled entry gets those past but puts the rear fitting at the door edge. So there are two snags, not one.

5分
GA
GabrielAli0192

Does either approach leave room for the opened jaws?

7分
IS
IsabelArcher0387

Imran's release point matters here. Anil, have you been given just the closed-tool picture?

11分
AN
AnilBell0636

Only closed. Toolmaker sent the open outline after I asked. That also interferes at the angled position. Thanks, Imran, that would have been an expensive omission.

12分
AA
AaronBrooks0784

So that angle is out?

16分
AN
AnilBell0636

With this tool, yes.

17分
IM
ImranArcher0392

Would the setter accept a different fixture orientation, Anil, or would that just move the obstruction into their way? I do not know your machine access well enough to guess.

6分
IS
IsabelArcher0387

Moving the fixture can also change their loading job. Do not offer it as a painless fix before they have seen it.

16分
AN
AnilBell0636

The setter has looked at the alternative orientation and doesn't want it. Harder to clean the pocket and inspect the seat. We have binned the angled approach and asked the toolmaker whether a different tool concept is worth pursuing.

20分
GA
GabrielAli0192

At least the door finally got a vote.

6分

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