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NX5: can depth of screw clearance hole be controlled?

NX5: can depth of screw clearance hole be controlled?

NX5: can depth of screw clearance hole be controlled?

(OP)
NX 5.0.4

In NX Sheetmetal, when I try to apply a screw clearance hole, I am not given the option of controlling the hole depth.  It goes "through all".

In contrast, if I select the simple hole option and directly enter the desired diameter, I am given the option of parametrically controlling the hole depth ("value", "until selected", "through body").

Is this a known, correct behavior?  Seems like it'd be logical and useful to be able to control screw clearance hole depth in the same manner as the simple hole, right?

RE: NX5: can depth of screw clearance hole be controlled?

What sheetmetal application would require that a hole not go 'through all'?  It's generally assumed that sheetmetal is punched.  How do you punch a non-through hole?

John R. Baker, P.E.
Product 'Evangelist'
NX Design
Siemens PLM Software Inc.
Cypress, CA
http://www.siemens.com/plm
http://www.plmworld.org/museum/

To an Engineer, the glass is twice as big as it needs to be.
 

RE: NX5: can depth of screw clearance hole be controlled?

(OP)
Maybe it is an order-of-operations problem (on the designer's part).  

The problematic part can be thought of as a simple box composed of a base flange with 4 side flanges.  A hole is desired in one of the side flanges, but not the opposite side flange.  This is something that could in the real world be punched on the proper flange and then bent into shape.  The location of the hole is driven by a set of datums in the part.  It's not clear to me how to best model this type of situation, other than using the "Simple Hole".

What would you suggest?  

RE: NX5: can depth of screw clearance hole be controlled?

(OP)
I just verified that it IS an order-of-operations issue.  Upon moving the "Screw Clearance Hole" and the desired flange higher up in the tree, it only pierces the appropriate flange.

RE: NX5: can depth of screw clearance hole be controlled?

OK, now I see what you mean.

This has been addressed in NX 6 where you will now be offered the option of controlling the depth of Screw Clearance Holes in the same manner as a General Hole.  Until then, you will probably have to continue to use the General Hole.

John R. Baker, P.E.
Product 'Evangelist'
NX Design
Siemens PLM Software Inc.
Cypress, CA
http://www.siemens.com/plm
http://www.plmworld.org/museum/

To an Engineer, the glass is twice as big as it needs to be.
 

RE: NX5: can depth of screw clearance hole be controlled?

(OP)
Thanks for the feedback, John.

RE: NX5: can depth of screw clearance hole be controlled?

Another option in this case is to make the placement face the inside of the flange.  This will work for plain holes, not so good for countersunk or counter bored holes.

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