help with a thread
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with a 150mm diameter
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So what's your problem in trying to model it in SketchUp? What's not working?
@Leggy said in help with a thread:
there are only 4 crests on the thread
When you model it make it 2 or 3 turns longer so you can cut the extrusion off nicely. -
I’m the problem, ha ha
I need a back to basics tutorial, I always seem to miss a certain point and nothing happens . I can see the way both of you do the threads but I’m missing something -
with a 150mm diameter
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ok , after watching Rich's video about 8 times I'm making progress. I was missing the upright extension
what's curve origin? I set it to -1.5 as in the video, so that made the male thread , now to make the female which ill offset by 0.3 -
@Leggy said in help with a thread:
I'm making progress.
OK. So you don't need the video tutorial I did? Good enough.
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@Dave-R where is it?
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@Leggy said in help with a thread:
watching Rich's video about 8 times I'm making progress
I did a video?
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Aha I got you mixed up, that was the one I watched
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I’m the problem, ha ha
I need a back to basics tutorial, I always seem to miss a certain point and nothing happens . I can see the way both of you do the threads but I’m missing something -
Ok I’ve managed a male and female thread on a 150mm diameter, with a 0.3 offset, . It’s very tight can wind it on for 2 threads , and that’s it. Tomorrow doing another female with an extra 0.3 clearance on all faces, so see how that goes. I think it’s the shrinkage on the printer that’s causing the problem
Thanks Guys for all your help -
@Leggy said in help with a thread:
I think it’s the shrinkage on the printer that’s causing the problem
That's probably it. You'll have to work that out based on the material.
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I finally got it to work , pictures to follow , thanks Guys
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Well done @Leggy
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Hi guys
Again thanks for all your help
Is there a chart you use to look up thread dimensions, pitch, tpi , crest etc
I was trying a m22 x 2.5 and got a bit confused on the chart I was following, so I asked ChatGPT
After 4 hours of me telling it, it was wrong, it finally agreed
I was drawing it in SU then asking it questions on the iPad
When I get home I’ll upload my figures and see what you think, the thread looks good on the screen, but that doesn’t mean it will fit
Thanks Dean -
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These are what chat told me
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