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I was playing around with trying to make a bolt on my 3d printer and came up with template of sorts for making both Bolts and Nuts.
This is effectively a screw generator for METRIC sizes.
It might work for IMPERIAL but I have not tried.
I'm not an engineer and most of this was done with just a few hours of research on the web. For those of you who maybe know a bit more than me fell free to correct any terminology I may have wrong.
To use; duplicate the parts studio, and edit the values for "Whole Word" variables only. The variables that are not whole word are used in calculations and/or may contain calculations. Editing them will most likely break things.
I developed this to create and print nuts and bolts on my 3D printer. As such the Tolerances have to be much greater than real machined threads. The bolts and nuts I have produced with this work with a machined thread checker I purchased from Home Depot. I have not tried to create a machined nut or bolt as i don't have the equipment.
Below are the values that should be edited along with a brief description of what the value represents.
Tolerance: The oversize/undersize of the threads.
WrenchSize: The size of the wrench the head will fit.
HeadDepth: The depth or height of the head.
ThreadLength: The distance the shaft protrudes out of the head.
Diameter: The diameter of the shaft.
Pitch: The distance between threads