Franklin-
Check into Allied High Tech's MetPrep 3. It's an auto grinder/polisher
that's able to polish 1, 2, or 3 mounts individually depending on your need.
You can get the info off the web. Used may be a problem though. Struers
and Buehler, as well as a few other metallographic supply companies do/may
offer similar products.
Still I would recommend grinding 8 and 10 mil dhs PTHs manually, then
polishing automatically if you want. Hitting the center shouldn't be a prob
for this large a hole size! Clear mounting media is paramount for this.
anything smaller is getting into difficulty.
At first I thought you wanted Buehler's minimet which is a single mount
automatic grinder/polisher, very light force, and not needed for PCBs.
Best regards,
Garry Morand
EMC Corp.
Hopkinton MA
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Franklin Asbell
Sent: Friday, October 07, 2005 8:47 AM
To: [log in to unmask]
Subject: Re: [TN] Microsection
(chuckle) No, that thought hadn't hit me... So you're suggesting I continue
till I can hit a 6 mil hole with my shaky hands? Well okay, I'll continue.
Franklin
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Blair K. Hogg
Sent: Friday, October 07, 2005 7:33 AM
To: [log in to unmask]
Subject: Re: [TN] Microsection
Franklin,
Have you considered that you may be a pioneer in what you are trying to do
and that no one here can offer any advice cause nobody has tried it before?
Blair
>>> [log in to unmask] 10/07/05 07:02AM >>>
(chuckle)
Yes, can you believe it... got no response at all, now Steve, they jumped
all over his request, I'm thinking it has to do with his website and he
allowing people to post pictures, and so people want to keep him
happy...(laughing as people wonder how serious I am) luckily I'm past that
point where I would take it personal, but years ago....hmmm, well anyway.
What I'm looking for is a device to grind/polishing a single mount (3 pc
board coupons in a single puck) by hand.
In days past I could do a somewhat decent job, with todays smaller holes,
even down past 10 to 8 and even 6 I find it difficult to hit the center of
the hole +/- 10%.
Beuhler makes what they call the PC-Met jr, selling cost $2500 for the kit
which is crazy as they sell the complete kit for 6 mounts at $4500.
So I'm looking for a used unit, or one from another source (not even sure
who else might make one, perhaps Struers)
So that's my need today...any suggestions would be wonderful.
Franklin
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