Glass Cutter

[voipio]

Oil and heated rod:

A steadier hand than the guy in the video, gives a neater "cut"

 

[Parm]

Oil and heated rod:

A steadier hand than the guy in the video, gives a neater "cut"

Never seen that before. Very simple and neat

 

[Maker]

Oil and heated rod:

A steadier hand than the guy in the video, gives a neater "cut"

What's the purpose of the water, looks like he only dips the rod into the oil?

And was an indexable end mill the only metal bar he could find?

 

[pedrobedro]

What's the purpose of the water, looks like he only dips the rod into the oil?

And was an indexable end mill the only metal bar he could find?

The oil will heat up not the water keeping the heat and the glass expansion where you want it.

 

[voipio]

I think the water just reduces the amount of oil needed. I've only ever done it with just oil on its own.

 

[voipio]

What actually happens is the oil heated by the bar rises rapidly and flows across the top of the cold oil as a thin, mobile layer, heating the glass very locally at the edges. The rest of the oil remains relatively cool and viscous.

 

[Cobbler]

If you need to drill a hole in the bottle to make a lamp, you can drill glass with a masonry drill using a hand drill. Use very little pressure & a bit of white spirit to lubricate, just take it gently. I know you can buy proper glass drills, but most of us have a masonry drill about. ........ don’t try & centre punch it though

 

[Maker]

Water works fine to lubricate it and a tickle with a diamond file will sharpen a masonry bit.

 

[bigegg]

you can also grind a hole with carborundum dust:

make a circular dam around where you want the hole. put some grinding paste and water in the hollow.
piece of copper pipe of the correct diameter, mounted in a drill.

the grinding paste imbeds in the copper, and makes a core drill bit

 

[mccp]

If you need to drill a hole in the bottle to make a lamp, you can drill glass with a masonry drill using a hand drill. Use very little pressure & a bit of white spirit to lubricate, just take it gently. I know you can buy proper glass drills, but most of us have a masonry drill about. ........ don’t try & centre punch it though

I couldn't get this to work with my hammer drill

 

[John Glass]

Does any one know what the little wheel on the tip of a glass cutter is made off?

Not sure which you have, but the TOYO glass cutters are defiantly made from carbide.

Description from these guys shows: https://ecohold.co.uk/product/toyo-tc20-glass-cutter/

How did the lamp turn out?

 

[fizzy]

We ship pallets for a company who makes stuff like this

 

[Parm]

Not sure which you have, but the TOYO glass cutters are defiantly made from carbide.

Description from these guys shows: https://ecohold.co.uk/product/toyo-tc20-glass-cutter/

How did the lamp turn out?

Hi John, they came out great.Both taken by my brother

One thing I’ve learned is that is very difficult to make safe the cut edges. I haven’t found a way to do this at home

 

[mike os]

The good ones are tc

 

[The_Yellow_Ardvark]

I haven’t found a way to do this at home

A fine oil/wet stone will take the edge off a treat.

 

[fizzy]

Hi John, they came out great.Both taken by my brother

One thing I’ve learned is that is very difficult to make safe the cut edges. I haven’t found a way to do this at home

What about a carborundum stone?

 

[Parm]

What about a carborundum stone?

Didn’t think of that, will see what I’ve got and have a play

 

[Parm]

Just noted, this is over a year old

 

[fizzy]

Just noted, this is over a year old

Doh

 

[The_Yellow_Ardvark]

What about a carborundum stone?

AKA a oil/wet stone.
Most modern ones are made from compressed Corborundum powder.