Author Topic: Hot Knife Pad?  (Read 697 times)

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jaYson

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Hot Knife Pad?
« on: May 19, 2018, 06:12:07 AM »
Jayson here and when using a hot knife to cut fabric or webbing, what type of under pad do you use to protect your table/work bench?  I have been using press board, but am uncertain if there is something better.  I did some Google searching, but have found nothing.  Any suggestions would be great.  Thanks!

jaYson
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Stone

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Re: Hot Knife Pad?
« Reply #1 on: May 19, 2018, 09:32:50 AM »
Tempered glass, 1/4" thick

I have a 30x30 inch sheet I cut out almost everything with on, with multiple layers of material, melting those edges together makes things a breeze!

Learned this trick from a guy who builds parachutes and rigging gear, only his sheet of tempered glass is 6x6 feet :o so the entire surface of his cutting table is a cutting surface.


jaYson

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Re: Hot Knife Pad?
« Reply #2 on: May 19, 2018, 09:37:38 AM »
Thanks!

Looks like I will be looking into some tempered glass in the near future!


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SunriseTacticalGear

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Re: Hot Knife Pad?
« Reply #3 on: May 19, 2018, 12:44:44 PM »
Since I normally only cut webbing and cord with my hot knife I started with a 12 x 12 ceramic tile, now have a piece if 1/4 glass that I got from my glass guy. Im not really set up to do large stuff with a hot knife, for that I have a machine that cuts and sears at the same time.
Scott

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Re: Hot Knife Pad?
« Reply #4 on: May 19, 2018, 07:14:21 PM »
I use a ceramic tile from the local home improvement centre. The one I have was about a foot and half long but it's shorter now as it broke when I dropped it

Any build up of melted material just scrapes off with a razor blade.

I like the idea of a glass plate. You could buy whatever size you want, unless you go with tempered.

Macatak

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Re: Hot Knife Pad?
« Reply #5 on: May 19, 2018, 09:45:18 PM »
I've got a piece of 12mm thick glass plate. 450 x 165 mm. Does the trick.

Misadventure Gear

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Re: Hot Knife Pad?
« Reply #6 on: May 19, 2018, 11:48:29 PM »
I also started with a 12"x12" ceramic tile. Then I scored a free tempered glass, 6'x2' from an old desk being scraped. The larger cutting area is great, but the tile is cheap and easy to come by.  Freecycled glass can be had from a variety of sources..... Old desk, coffee table, an old glass shower door.... Keep your eyes peeled and you'll find something soon enough.

stimpy

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Re: Hot Knife Pad?
« Reply #7 on: May 20, 2018, 11:26:24 AM »
Tile for me as well. Works perfectly, it's cheap, and easy to score.

sodjer

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Re: Hot Knife Pad?
« Reply #8 on: May 20, 2018, 09:40:43 PM »
I use a hot knife regularly ,and it use a glass plate as well ,but I have found it works better with a low level light source in the under frame ,it let's me see better when I have cut through the material ,sometimes I get a small part that hasn't cut and the light let me see this especially webbing . I also have a right angle straight edge with a fence to allow me to cut webbing and Velcro straight and square.

Bootcat

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Re: Hot Knife Pad?
« Reply #9 on: May 22, 2018, 03:03:03 AM »
Tempered glass (think glass shelf from a cupboard) over an Olfa cutting mat allows for measuring and cutting in one operation.

stimpy

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Re: Hot Knife Pad?
« Reply #10 on: May 24, 2018, 11:37:28 AM »
Now thats  good idea bootcat. I will try that setup. A tile was good for me. But for vutting multiple items of the same type i used to put marks on the tile. But they always faded after time. Your idea sounds useful

Bootcat

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Re: Hot Knife Pad?
« Reply #11 on: May 25, 2018, 12:37:39 AM »
Buy a big pad (Olfa 24"x36" for us) and fix a stop on the glass along one vertical edge aligned with the 0" line so you can push the webbing to a fixed starting position without checking.

mogensbeck

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Re: Hot Knife Pad?
« Reply #12 on: May 25, 2018, 01:06:00 PM »
i use a 1mm steel plate. I only use it for protoypes and when i just need to make 1 belt ect.

But i like the idea of the tempered glass and cutting mate underneath.

Misadventure Gear

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Re: Hot Knife Pad?
« Reply #13 on: May 27, 2018, 12:01:43 AM »
Tempered glass (think glass shelf from a cupboard) over an Olfa cutting mat allows for measuring and cutting in one operation.

This is what I do as well. My cutting mat lives under my glass sheet, and I can easily pull it out of I'm cutting something with my Olfa.