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14th August 2013, 07:09 PM #1SENIOR MEMBER
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Why you need an air micro die grinder
Been at it again.
Here's the latest video.
Why you need a cheap air pencil die grinder - micro die grinder - YouTube
Cheers
Rob
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14th August 2013 07:09 PM # ADSGoogle Adsense Advertisement
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14th August 2013, 09:32 PM #2
Go at it Rob. I'll watch your vids to see what is possible with the die grinder then I don't have to try stuff just to find out. I'll let you do it.
Dean
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14th August 2013, 09:49 PM #3SENIOR MEMBER
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In the situation shown in the video, it would be difficult to open out the hole any other way. Maybe a very tiny carbide boring bar ?
I recon these little die grinders are the bees knees and being absolutely dirt cheap there's no reason not to have one.
I couldn't do that sort of job with my full sized tool post grinder.
Rob
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14th August 2013, 10:33 PM #4
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14th August 2013, 10:52 PM #5SENIOR MEMBER
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Some extra pictures
You can't compare these to a proper TPG, but as shown in the video they can do small stuff that would be difficult any other way.
LIke a Dremel, to be useful you have to buy the accessories - carbide and diamond burrs especially.
Here's a few photo's I took that I was going to add to the video but left off.
You may find them interesting.
tp1.jpgtp2.jpgtp3.jpgtp4.jpg
Cheers
Rob
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14th August 2013, 11:30 PM #6
Thanks Rob. Did both knurling wheels require adjustment?
Dean
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14th August 2013, 11:58 PM #7SENIOR MEMBER
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Hi Dean,
Yes, both were just a tad undersize. Enough to be a major problem.
I did actually try a drill before I used the air grinder, and no way that metal could be drilled.
Being Chinese I thought they may be cheesy, but not so. I got the scissor knurl from the UK and it seems to work OK. Probably made in China as well
Anyway, seeing as we were discussing these little grinders recently I thought it was a good opportunity to show what they can do.
People probably look at them and think what would I use that for ? but once you get one it's surprising how handy they are.
Cheers
Rob
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15th August 2013, 11:10 AM #8.
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Rob, Dean,
I have some metal to remove on a little cast iron project that I have been dragging out because my Dremel can't access the areas I need to work on leaving me with dainty jeweller's riffler files as my only means.
There is an abundance of similar looking pencil grinders on Ebay with hugely varying prices. Richard"RC" splurged and dropped 50 bucks or so on a CTC grinder. Some of the others, the pink anodised versions, sell for around 30 dollars.
What exactly do you have?
Bob.
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15th August 2013, 01:19 PM #9SENIOR MEMBER
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You hit the nail right on the head - the pink anodised ones are all the same as far as I can tell. Some people just try and charge more.
I got mine from a CTC Ebay outlet (they have a few) for about $30 delivered.
Prices have gone up a bit since then as our $ is not as good.
MICRO AIR GRINDER #C99
They also do a 4 bearing model which is more for continuous use.
MICRO AIR GRINDER - STRAIGHT HEAD #G69
Plenty on Ebay exactly the same even cheaper eg:
NEW AIR Micro DIE Grinder Tool 17 PCS Mounted Stone Grinding Polishing Engraving | eBay
I'd have no hestitation buying any of them.
I did a web page on them a while back which gives a lot of information, and how you can get the best performance out of them (an easy collet modification).
Air micro die grinder
Cheers
Rob
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15th August 2013, 03:56 PM #10Ring Master
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Try Bunnings - Just bought - Trade Air - Micro Grinder Kit (17 Pce) - $24.00
Clearance prices - get in quick!
regards Ned
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15th August 2013, 07:49 PM #11GOLD MEMBER
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15th August 2013, 07:58 PM #12SENIOR MEMBER
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Not listed in the catalogue on line for Bunnings stores in SA.
Rob
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15th August 2013, 08:53 PM #13
I bought this one NEW AIR Micro DIE Grinder Tool 17 PCS Mounted Stone Grinding Polishing Engraving | eBay.
Same as Rob I think. Was $3.00 cheaper than in this link.
Dean
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16th August 2013, 09:46 AM #14GOLD MEMBER
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16th August 2013, 10:28 AM #15SENIOR MEMBER
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Be interested to hear what you think of it.
Get the burrs etc and you are set to go.
Cheers
Rob
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