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cutting glass fibre PCB?
cutting glass fibre PCB?
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Old 5th May 2013, 04:18 PM   #11
ArtG is offline ArtG  United States
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Originally Posted by tubelab.com View Post

2) Table saw with a blade suitable for plywood.
In my table saw, I'm using an abrasive blade, available at Lowes, etc. It's inexpensive and works very well, although like any abrasive cutting methods, edge cleanup with a sanding block is necessary. Use a disposable dust mask and goggles when using this method, as the dust really flies, as anyone using a table saw already knows.
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Old 5th May 2013, 04:30 PM   #12
CanAm Man is offline CanAm Man  United States
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Originally Posted by tubelab.com View Post
I take adult night wood shop classes just to use the shop.
Good comment. I've taken evening "industrial arts" classes. For the usually nominal price of admission, I've gotten the access to lathes, mills, CNC machines and MIG/TIG welding equipment I've used to build major race car parts.....(!)
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Old 13th May 2013, 12:36 AM   #13
dangus is offline dangus  Canada
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A hand hacksaw with metal-cutting blade works fine for me. Keep the angle low, to get the straightest cut. Then lay a file or sandpaper down on a hard surface and smooth the edges.
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Old 13th May 2013, 01:35 AM   #14
admc007 is offline admc007  Scotland
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OK, I'm going to try a hand hacksaw just to see how it works out! I tried a razor saw and it was a bit tricky. I only needed a 3cm by 4cm little piece which I had to cut out of A4.

I ended up just cutting a 3cm thick strip using the tile cutter and then cutting a 4cm chunk off using the razor saw.
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Old 13th May 2013, 02:25 AM   #15
ashok is offline ashok
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cutting glass fibre PCB?
I score the copper side with a sharpened box cutter blade. Use a steel rule as a guide. You will need to score it several times. Then turn over the board and score it again several times over the visible score you made earlier. ( for single side board !)
Then place the scored portion over a sharp edge like a table. Hold one corner of the free edge with your hand and slowly push it down ( maybe rock it a bit!). It will give way ( only that portion of the board). Then keep doing that along the cut bit by bit and you can break off the whole board. Sand paper the edge as it will be very rough. I do this all the time.
It helps to make the tip of the sharpened blade a bit flat when it tends to make a wider score than a sharp V shaped edge. This makes the breaking off process much easier.

One catch is that you need to cut the full length of a board and cannot cut , say 3x4 cm from a large board ! Maybe you can use a small router for that ?

Last edited by ashok; 13th May 2013 at 02:29 AM.
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Old 17th May 2013, 07:08 PM   #16
terranigma is offline terranigma
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Originally Posted by dangus View Post
A hand hacksaw with metal-cutting blade works fine for me.
Me too. Metal cutting blade works fine. Clamping a straight thing as a guide across cutting line helps too much.

Last edited by terranigma; 17th May 2013 at 07:11 PM.
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Old 17th May 2013, 07:15 PM   #17
frank1 is offline frank1  United Kingdom
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A table-type diamond tile saw works brilliantly on glassfibre PCB. Use dry.
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Old 5th July 2013, 11:37 PM   #18
mr_push_pull is offline mr_push_pull  Europe
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we all love a good ol' stereotype until it's against us
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Old 9th July 2013, 01:21 AM   #19
Jsixis is offline Jsixis  United States
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Originally Posted by CanAm Man View Post
1. Use a Dremel roto-tool with an abrasive rotary disk. Clean edges with fine sandpaper, or a fine-tooth file, or
Works the best for me too, sheet metal shears will cut it but they will dull over time. With the dremel there is very little dust.
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Old 11th July 2013, 02:46 PM   #20
rephil is offline rephil  Europe
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cutting glass fibre PCB?
Hi admc007,

I have tried several ways in order to cut pcbs. The best I have found and not dangerous for your health is : shears. Look at these fine shears :

Mega-UK - Shears

Not cheap, but last foerever, and no problem to cut quickly your pcbs.

Best regards

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