| New to design and need input re: tolerances [message #41009] Sun, 01 January 2012 06:30 UTC |
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Hi,
This is my first post here and I hope somebody can help with this design question or point me to a good web page or book. I've designed what looks like a pretty boring box -- at least on the outside:
Sorry, the box is laying on it's side. The lid (tan color) slides into place by slotting into rails on the top of the box body. What I'm wondering is "How much slack should I leave between the lid and the inside of the rails so that the lid will stay in place but not be too hard to force shut?"
The lid is about 117mm long. I guess the force required to get it into place will be a function of it's length, the material used when I print it, and how much slack I leave. I've arbitrarily chosen .05mm, for now, as shown below.
Any suggestions? By the way, I won't print this with the lid in place.
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| Re: New to design and need input re: tolerances [message #41012 is a reply to message #41009 ] Sun, 01 January 2012 09:55 UTC |
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0.05mm is going to be way too little and it will be impossible to get the lid on. From my experience (with WSF), you would need at least 0.15mm but at this size you may need more.
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| Re: New to design and need input re: tolerances [message #41020 is a reply to message #41012 ] Sun, 01 January 2012 18:33 UTC |
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Thanks. I think I'll up it to 0.15 and I guess I'll sand the lid down for a better fit if that's still not enough.
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