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SG Machine Shop

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Ash45

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can the needle file enlarge wick holes too or just airhole.. i wanted to enlarge my wickhole on my aga-t with a drill but no confident scared go till centre post.. if file at least i can file slowly..
You can file slowy, over the course of maybe 2 weeks @ 10mins a day.

Use a drill bud.... The existing hole will serve as a guide, so no worries about run-offs.
 

Domtine

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Dremels are not suitable for use on SS. speed too high and problably you'll melt or break the bits before the hole is done. You need to use a bench drill that spins not more than 500rpm(no load) and copious amounts of oil or machining coolant.

and dremels are not the most precise tools around. I bought S$400 worth of dremel and dremel stand only to find out that it botched all my home made PCBs. 1mm holes became 1.5mm and broke 2x $15 a piece tungsten carbide drill bits while rounding the 3rd. There a 0.5mm free play on its shaft and the dremel stand has its own freeplay.

It was an expensive lesson. should have spent S$200 more and gotten myself a proxxon.
 
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Ash45

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Dremels are not suitable for use on SS. speed too high and problably you'll melt or break the bits before the hole is done. You need to use a bench drill that spins not more than 500rpm(no load) and copious amounts of oil or machining coolant.

and dremels are not the most precise tools around. I bought S$400 worth of dremel and dremel stand only to find out that it botched all my home made PCBs. 1mm holes became 1.5mm and broke 2x $15 a piece tungsten carbide drill bits while rounding the 3rd. There a 0.5mm free play on its shaft and the dremel stand has its own freeplay.

It was an expensive lesson. should have spent S$200 more and gotten myself a proxxon.
"Dremel" is just a term for me to refer to minature machining tools.

"Proxxon" is the BMW equal in such category of tools.
Just need to set it up with a Drill-Stand and Compound table and you can do wonders.
No to mention it's high concentic accuracy and stability, that thing is a good investment if you've the spare cash.

"Sherline" mill/lathe is even more poisionous to look at....

Wanna get me a CnC 8-axis Mill some day....
 

Ash45

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Please do not remind me about sherline...... you had to do it.... dammit

I was contemplating to get their CnC lathe to make some APVs...... Then I realise to make anything substantial from it I probably need to quit me day job
Can't be done bro, it's only meant as a hobby.

Making anything substantial requires "Grizzly" class calibre. (Unless you're crazy enough to get a Tormach)

Was almost tempted to get their 3-in-1 Mill/Lathe, then the question of stability hits me...
 

zoiDman

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Dremels are not suitable for use on SS. speed too high and problably you'll melt or break the bits before the hole is done. You need to use a bench drill that spins not more than 500rpm(no load) and copious amounts of oil or machining coolant.

and dremels are not the most precise tools around. I bought S$400 worth of dremel and dremel stand only to find out that it botched all my home made PCBs. 1mm holes became 1.5mm and broke 2x $15 a piece tungsten carbide drill bits while rounding the 3rd. There a 0.5mm free play on its shaft and the dremel stand has its own freeplay.

It was an expensive lesson. should have spent S$200 more and gotten myself a proxxon.

You won't hear my Arguing that there is No Substitution for Good Tools. But many times Cost and Time play a Role in what I chose to do.

If I have to open up a Hole Diameter with a Drill, I just I could take the Cover off my Drill Press. Swap the Belts to the Lower Setting. Get out a Vise and a V-Block. Dial in the LOC. Drill the Hole and then put everything Away.

Or I could just Chuck up a $2 Drill in a Cordless Drill and Drill it by Hand.

To me, if the Drill only lasts One Hole because I used the Wrong RPM, so what. 2 Bucks to get the Job Done is worth it to me vs the Time to "Do it Right".

Of Course, It all depends on the Precision I need the Hole to be and how many Holes I have to drill.
 

yummy1984

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Please do not remind me about sherline...... you had to do it.... dammit

I was contemplating to get their CnC lathe to make some APVs...... Then I realise to make anything substantial from it I probably need to quit me day job

Heh heh heh

vxr1568183_zps5247020d.jpg
 
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