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#1
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Glass from hell
I was doing a rose window over the weekend and I got in a wrestling
match with some Spectrum red ruby waterglass and it just about whupped me. I produced scrap on about a quarter of the pieces, having to redo some three times. To be honest, it wasn't all the glass's fault. I'd been lucky with easy cutting glass before that and I got into bad habits like not doing preliminary cuts on concave parts. I also found out that I just about had to do just one cut and break at a time. Multiple cuts before breaking broke into the other cuts. Anyway, this window is my third now and I can see the quality of my work improving. Very satisfying. I'm getting closer fits with less grinding. Michael |
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#2
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Glass from hell
On Sep 24, 7:16 pm, Michael wrote:
I was doing a rose window over the weekend and I got in a wrestling match with some Spectrum red ruby waterglass and it just about whupped me. I produced scrap on about a quarter of the pieces, having to redo some three times. To be honest, it wasn't all the glass's fault. I'd been lucky with easy cutting glass before that and I got into bad habits like not doing preliminary cuts on concave parts. I also found out that I just about had to do just one cut and break at a time. Multiple cuts before breaking broke into the other cuts. Anyway, this window is my third now and I can see the quality of my work improving. Very satisfying. I'm getting closer fits with less grinding. Michael If I ever do another rose or hummingbird window I think I'll scream. |
#3
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Glass from hell
neoglassic wrote:
If I ever do another rose or hummingbird window I think I'll scream. **************** Haha! I'm happily walking through all the cliches. I've done an underwater tropical fish window, then a traditional victorian design, and now the rose. I've got a heron/cattail one coming up, and gotta do a fleur de lys or however it's spelled. Michael |
#4
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Glass from hell
On Sep 25, 9:55 am, Michael wrote:
neoglassic wrote: If I ever do another rose or hummingbird window I think I'll scream. **************** Haha! I'm happily walking through all the cliches. I've done an underwater tropical fish window, then a traditional victorian design, and now the rose. I've got a heron/cattail one coming up, and gotta do a fleur de lys or however it's spelled. Michael HA! Sounds like you're doin' jest fine!! It's all about having fun and those rose petals will certainly improve your cutting skills!! |
#5
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Glass from hell
On Sep 24, 7:16 pm, Michael wrote:
I was doing a rose window over the weekend and I got in a wrestling match with some Spectrum red ruby waterglass and it just about whupped me. I produced scrap on about a quarter of the pieces, having to redo some three times. To be honest, it wasn't all the glass's fault. I'd been lucky with easy cutting glass before that and I got into bad habits like not doing preliminary cuts on concave parts. I also found out that I just about had to do just one cut and break at a time. Multiple cuts before breaking broke into the other cuts. Anyway, this window is my third now and I can see the quality of my work improving. Very satisfying. I'm getting closer fits with less grinding. Michael You might consider just investing some time in cutting practice. Go to a glazier that sells window glass and mirrors - but not art glass. They throw out large quantities of clear float glass. Ask for a box of scrap stuff to practice with. Practice scoring and breaking various shapes. The most important factor when cutting glass is getting a smooth consistent uniform pressure with your score. Imagine an opera singer that can hit a musical note and can steadily hold that note without changing pitch or volume. That's your goal when scoring glass. The more consistently uniform your score, the greater the likelihood it will break where you want it to. A great way to practice pressure control is with a bathroom scale. Place a piece of glass on the scale and score it. Watch the weight reading. Your target is 6 to 8 lbs pressure. Practicing on a scale will allow you to visually identify where your score changes pressure. You'll probably see that you change pressure as you come around curves. You'll definitely see that if you're right-handed you have better control curving clockwise then anti-clockwise (the opposite if you're left-handed). Experiment with pulling the cutter towards you as you score and with pushing it away as you score. Either way works equally well. Play with both to see which method feels most comfortable. It can be argued that pushing allows you to more easily see where you're scoring, but it's not a problem to allow for that when you pull towards you. How comfortably natural pulling feels will depends very much on your drawing and handwriting skills. From kindergarten, you were taught to print, write, and draw from top down - pulling towards you. Many find that just feels more natural than pushing. I suggest it's a good idea to spend enough time working on both methods to feel comfortable with either. There's a couple of articles on Cutting here you may find helpful: http://www.glasscampus.com/tutorials.htm |
#6
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Glass from hell
wrote in message ups.com... On Sep 24, 7:16 pm, Michael wrote: I was doing a rose window over the weekend and I got in a wrestling match with some Spectrum red ruby waterglass and it just about whupped me. I produced scrap on about a quarter of the pieces, having to redo some three times. To be honest, it wasn't all the glass's fault. I'd been lucky with easy cutting glass before that and I got into bad habits like not doing preliminary cuts on concave parts. I also found out that I just about had to do just one cut and break at a time. Multiple cuts before breaking broke into the other cuts. Anyway, this window is my third now and I can see the quality of my work improving. Very satisfying. I'm getting closer fits with less grinding. Michael You might consider just investing some time in cutting practice. ...............snipped due to boredom.... I warned you guys this would happen, it was inevitable.... |
#7
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Glass from hell
On Sep 24, 10:16 pm, Michael wrote:
I was doing a rose window over the weekend and I got in a wrestling match with some Spectrum red ruby waterglass and it just about whupped me. I produced scrap on about a quarter of the pieces, having to redo some three times. To be honest, it wasn't all the glass's fault. I'd been lucky with easy cutting glass before that and I got into bad habits like not doing preliminary cuts on concave parts. I also found out that I just about had to do just one cut and break at a time. Multiple cuts before breaking broke into the other cuts. Anyway, this window is my third now and I can see the quality of my work improving. Very satisfying. I'm getting closer fits with less grinding. Michael hard to cut maybe, hard to say, definitely Spectrum Red Ruby Waterglass, Spectrum Red Ruby Waterglass, Spectrum Red Ruby Waterglass, |
#8
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Glass from hell
"Michael" wrote in message oups.com... I was doing a rose window over the weekend and I got in a wrestling match with some Spectrum red ruby waterglass and it just about whupped me. I produced scrap on about a quarter of the pieces, having to redo some three times. To be honest, it wasn't all the glass's fault. I'd been lucky with easy cutting glass before that and I got into bad habits like not doing preliminary cuts on concave parts. I also found out that I just about had to do just one cut and break at a time. Multiple cuts before breaking broke into the other cuts. Anyway, this window is my third now and I can see the quality of my work improving. Very satisfying. I'm getting closer fits with less grinding. Michael I have found with a great many people, their cutting improves when they stop trying to shove the wheel thru the glass. Ruby red cuts beautifully, if you don't treat that little wheel like a saw blade, or a knife. No matter how hard you press, it is not going to cut the glass. Lighten up your pressure and place a small controlled scratch with the cutter wheel, and it will practically jump apart where it is supposed to. Like everything else in life, to get good takes practice. No secret tricks to it, know matter what a glass campus guru tells you. |
#9
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Glass from hell
Javahut wrote:
I have found with a great many people, their cutting improves when they stop trying to shove the wheel thru the glass. ************ Haha! Guilty as charged. When I first started I would almost come off the ground with the weight I was putting onto it. OK, not quite, but still you get the picture. I've heard that if you cut too deep the break will go anywhere. I have started to lighten up, but I imagine I'm still at about twice the pressure I should have on it. Michael |
#10
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Glass from hell
"Michael" wrote in message ups.com... Javahut wrote: I have found with a great many people, their cutting improves when they stop trying to shove the wheel thru the glass. ************ Haha! Guilty as charged. Michael Yeah, me, too. About two years ago, I had the opportunity to collaborate in my studio with Mr. Javahut on a huge SG project that I had to complete under some tight deadlines. I've been in and around the glass business for a few 24 hrs now, and I considered myself a pretty good craftsman and pretty proficient in cutting glass. My jaw hung open as I watched Java cut down sheet after sheet of opal glass with nary a stray run. I can tell you from first hand experience and observation that his "lighten-up" advice is what everybody needs to do. He taught me to listen to the sound the score makes. Different kinds (and manufacturers) of glass need different pressures to score properly, but the sound of a correct score is pretty similar. You'll know that sweet sound when you hear it. Using a bathroom scale to figure out how much pressure you are putting on the glass is, well, just plain latrine advice. Believe what you are told by people who actually make a living in the glass business, not a discredited scam artist. P.S....next time you have a trip to Atlanta, send me a private email. Maybe we can hook up? |
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