Electronics > Projects, Designs, and Technical Stuff
Square holes on aluminum.... how do you do it?
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tkamiya:
I wonder if there are any high speed dremel type tool that will withstand heavy-duty usage?  I used a regular type for this particular time.  Well...  it got awfully hot.  Also locking mechanism jammed so I had to take it apart and fix it.  Maybe something like dentists use? 

soldar:

--- Quote from: tkamiya on October 16, 2019, 06:45:09 pm --- I wonder if there are any high speed dremel type tool that will withstand heavy-duty usage?  I used a regular type for this particular time.  Well...  it got awfully hot.  Also locking mechanism jammed so I had to take it apart and fix it.  Maybe something like dentists use?
--- End quote ---

I am thinking a compressed air "Dremel" would be tougher and last forever. Have you been to a dentist lately?
langwadt:

--- Quote from: Gyro on October 16, 2019, 06:25:11 pm ---Likewise. You need a finer pitch blade than you use for (soft)wood but that's about all. Jewellers use very similar blades to cut Sterling Silver.

--- End quote ---

https://youtu.be/Xo2GM2urd5I
tkamiya:

--- Quote from: soldar on October 16, 2019, 07:09:41 pm ---I am thinking a compressed air "Dremel" would be tougher and last forever. Have you been to a dentist lately?

--- End quote ---

Wooohooo!  Great idea!  I already have a smallish compressor.  Thanks!
soldar:

--- Quote from: langwadt on October 16, 2019, 07:10:18 pm --- https://youtu.be/Xo2GM2urd5I
--- End quote ---

Yes, in Spanish I have always called those saw blades "hair blades" because they are so thin. That arc is smaller and gives the user much better control. Mine has a wider arc with longer blade and more reach. It allows reach into deeper places but is also more cumbersome to use. Maybe I sould get a smaller one for finer work. In fact, I could use broken blades from the bigger one. 
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