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how do you make real looking thread

12 REPLIES 12
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Message 1 of 13
damian__s
1037 Views, 12 Replies

how do you make real looking thread

I am using thread appearance on both these parts.How would you create the threads on both parts like real world threads.When assembled they then look natural like real world

 

Parts 2014

 

Thanks for any help

 

Damian

12 REPLIES 12
Message 2 of 13
JDMather
in reply to: damian__s

Use the Coil command to cut them - just like the real world.

But you used the wrong size hole for a 16mm thread - use the tap drill size - you have no material for thread engagement.


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Message 3 of 13
damian__s
in reply to: JDMather

I tried the coil command which gives a thread but how to i fix as it is not correct.I started with this part before the nut

 

Where did i go wrong?

Message 4 of 13
JDMather
in reply to: damian__s

Have you ever cut a thread on a lathe?

The cutting tool must start off of the part before entering the part.

 

What thread designation are you using?  (what book or website)

Your thread does not appear to be a standard angle to me?

Do you want a left hand thread or a right hand thread?


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Message 5 of 13
mdavis22569
in reply to: JDMather

Damian 

 

You do need to make sure you are using the right thread shape/angle like JDMathers was saying ... and

 

Just start your first thread above the solid that you want to show threads on to show it all of the way.

 

 

I noticed the  stock sized are odd too ..you have 15.7 and 9.65. You should have your stock set up for the right thread you want too.

 

 

Just a note, becareful on memory comsumption ...that's why a lot of people stop putting the cuts in and just use the show threads in the 2d 


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Mike Davis

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Message 6 of 13
damian__s
in reply to: mdavis22569

Thanks Michael

 

Would you have a 2014 version of the file you attached

 

Yes it should have been 10mm and 16mm.....i deleted some features of the part and did not re-check

 

Thanks again

 

Damian

Message 7 of 13
mdavis22569
in reply to: damian__s

I only adjusted the bottom one ...

 

also

 

http://www.engineersedge.com/hardware/metric-external-thread-sizes1.htm

 

 

I adjusted the pitch to 2. Changed the OD to Ø16,0 mm

 

 


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Mike Davis

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Message 8 of 13
JDMather
in reply to: damian__s

Be sure to post your final result file.

Are you going to 3D print these parts?


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Message 9 of 13
damian__s
in reply to: JDMather

I changed the smaller thread.How do you finish off the thread ends....is this with another coil?

Thanks

 

If this is correct do i just do the same to the nut?

Thanks

Message 10 of 13
JDMather
in reply to: damian__s

What book or url reference are you using for the threadform?

I think you probably need to change that 90° to 60°.

Also, isn't a thread specification normally given in terms of Pitch?

 

I would Chamfer before the Coil.

Add a 1/4 turn 60°Taper Coil to finish off the thread to make it look realistic.


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Message 11 of 13
damian__s
in reply to: JDMather

where is your sample file...attach what it should be then

Thanks

2014

Message 12 of 13
JDMather
in reply to: damian__s

Maybe something like this is what you are after.

 

http://en.wikipedia.org/wiki/Screw_thread#Form


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Message 13 of 13
damian__s
in reply to: JDMather

Thanks

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