Issue with Fastener Assembly
Issue with Fastener Assembly
(OP)
Hi All,
I seem to be having an issue when it comes to inserting fastener assemblies. I've included a picture to try and help explain things.
I effectively have a cylinder (dia 3000 mm), to which a drive sprocket is bolted. The problem I come across is that NX recognises three coaxial holes (two in the cylinder and one in the sprocket) resulting in the bolt being inserted in the sprocket (correct) and the bottom stack to sit on the opposite side of the cylinder (wrong). I've tried unselecting the third hole, but this results in no change to the fastener assembly. I can't seem to select an end face (I'm assuming this is because the end face would be cylindrical).
If I uncheck the "Find coaxial hole" feature I am unable to select the holes indivdually as it selects the array of holes in the cylinder.
Cheers,
Alex
NX7.5
I seem to be having an issue when it comes to inserting fastener assemblies. I've included a picture to try and help explain things.
I effectively have a cylinder (dia 3000 mm), to which a drive sprocket is bolted. The problem I come across is that NX recognises three coaxial holes (two in the cylinder and one in the sprocket) resulting in the bolt being inserted in the sprocket (correct) and the bottom stack to sit on the opposite side of the cylinder (wrong). I've tried unselecting the third hole, but this results in no change to the fastener assembly. I can't seem to select an end face (I'm assuming this is because the end face would be cylindrical).
If I uncheck the "Find coaxial hole" feature I am unable to select the holes indivdually as it selects the array of holes in the cylinder.
Cheers,
Alex
NX7.5





RE: Issue with Fastener Assembly
John R. Baker, P.E.
Product 'Evangelist'
Product Engineering Software
Siemens PLM Software Inc.
Industry Sector
Cypress, CA
Siemens PLM:
UG/NX Museum:
To an Engineer, the glass is twice as big as it needs to be.
RE: Issue with Fastener Assembly
I tried running the same scenario using square faces and I don't run into problems - I'll submit an ER.
Are the fastener lengths meant to update when the thickness of the stack changes? At the moment I am finding that the fasteners stay the same lengh regardless of how I change the stack.
Alex
RE: Issue with Fastener Assembly
John R. Baker, P.E.
Product 'Evangelist'
Product Engineering Software
Siemens PLM Software Inc.
Industry Sector
Cypress, CA
Siemens PLM:
UG/NX Museum:
To an Engineer, the glass is twice as big as it needs to be.
RE: Issue with Fastener Assembly
I am finding that the fastener size does not seem to update with the hole size, however the fastener is still associated with the hole position. "Delay after Edit" is turned off and I've tried to edit the fastener stack using the "Edit Reusable Component" option. The model is as simple as it gets, a single rectangular extrude with one hole. The thing is, I was trying out different fastener combinations yesterday and did not have any problems with fastener sizes updating, then I included the Siemens Machinery library and things seem to have gone awry. I have switched back to the standard reuse library in case this would make a difference, it hasn't.
Alex
RE: Issue with Fastener Assembly
John R. Baker, P.E.
Product 'Evangelist'
Product Engineering Software
Siemens PLM Software Inc.
Industry Sector
Cypress, CA
Siemens PLM:
UG/NX Museum:
To an Engineer, the glass is twice as big as it needs to be.
RE: Issue with Fastener Assembly
RE: Issue with Fastener Assembly
Anthony Galante

Technical Resource Coordinator
NX4.0.4MP10, NX5.0.6, NX6.0.5, NX7.0.1, NX7.5.0-> NX7.5.5 & NX8.0.0 -> NX8.0.2, NX8.5p15
RE: Issue with Fastener Assembly
John R. Baker, P.E.
Product 'Evangelist'
Product Engineering Software
Siemens PLM Software Inc.
Industry Sector
Cypress, CA
Siemens PLM:
UG/NX Museum:
To an Engineer, the glass is twice as big as it needs to be.