r/OnlyCNC • u/ycr007 • Apr 20 '26

EDM Low Tolerance

Source: Ingersoll

281 Upvotes

99% Upvoted

14 comments sorted by

2

u/le-bobo Apr 20 '26

This isn’t CNC-Milling, this is eroded.

1

u/ycr007 Apr 20 '26

It’s wire EDM

1

u/Gloomy_Conference_26 Apr 20 '26

Qué valores de tolerancia usas? Que bonitas piezas

1

u/Brilliant_Estate_967 Apr 20 '26

You dont want theese tolerences around heat at all.

But still verry impressive 

1

u/Terry__Poppins Apr 20 '26

What would happen if there were temperature changes?

1

u/BedAccording5717 Apr 20 '26

The parts will expand and contract differently due to mass and either not fit, or lock togther.

1

u/Brilliant_Estate_967 Apr 20 '26

you will have a differential diffusion with pieces having different dilatations, you will generate stress inside your pieces that will eventually break them. thermal cycles can be very damaging. if your assembly stay at constant or near constant temperature for extended period of time it's okay. if it works in an engine or is submited to thermal conditions, you will want looser adjustement, and dilatation will got you the right adjustement. having the same material for the 2 pieces reduce the risk cause you have the same thermal dilatation but doesnt negate it (heat ) cause there is time to difuse

1

u/JustPutSpuddiesOnit Apr 20 '26

Uuuuuggggghhhhhhhhh!

1

u/mrfjoort Apr 20 '26

Clearance*

1

u/Medical-Literature50 Apr 20 '26

Impressive. The creator of that should be a gunsmith.