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TiNi
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« Reply #210 on: June 10, 2011, 03:21:11 PM » |
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hooligan machinist
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« Reply #211 on: June 10, 2011, 03:24:10 PM » |
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I know what you mean.
We have to allow for thermal displacement. Or, run the parts on the high limit so that they will be right after they cool off. It can be a real PITA.
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cell # (931)-316-2020
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ducpainter
The Often Hated
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DILLIGAF
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« Reply #212 on: June 10, 2011, 03:24:54 PM » |
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tolerances are just a guideline.
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"Once you accept that a child on the autistic spectrum experiences the world in
a completely different way than you, you will be open to understand how that
perspective
is even more amazing than yours."
To realize the value of nine months:
Ask a mother who gave birth to a stillborn.
"Don't piss off old people The older we get, the less 'Life in Prison' is a deterrent.”
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Monsterlover
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« Reply #213 on: June 10, 2011, 03:26:32 PM » |
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Ain't that the truth
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"The Vincent was like a bullet that went straight; the Ducati is like the magic bullet in Dallas that went sideways and hit JFK and the Governor of Texas at the same time."--HST **"A man who works with his hands is a laborer. A man who works with his hands and his brain is a craftsman. A man who works with his hands, brains, and heart is an artist." -Louis Nizer**
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MendoDave
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« Reply #214 on: June 10, 2011, 03:28:09 PM » |
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Sort of like he lines on the road in Italy are just a guide line. More of a suggestion really.
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hooligan machinist
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« Reply #215 on: June 10, 2011, 03:35:06 PM » |
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Our certifications require less than 50 bad parts per million.
Anything more and we're out of business.
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cell # (931)-316-2020
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Monsterlover
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« Reply #216 on: June 10, 2011, 03:39:39 PM » |
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What fun is that?
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"The Vincent was like a bullet that went straight; the Ducati is like the magic bullet in Dallas that went sideways and hit JFK and the Governor of Texas at the same time."--HST **"A man who works with his hands is a laborer. A man who works with his hands and his brain is a craftsman. A man who works with his hands, brains, and heart is an artist." -Louis Nizer**
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MendoDave
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« Reply #217 on: June 10, 2011, 03:41:34 PM » |
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What if you only make 40 bad parts per million, do they penalize you for not making your quota of 50?  |
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hooligan machinist
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« Reply #218 on: June 10, 2011, 03:49:29 PM » |
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Most of our parts are "just in time" to assembly plants.
Bad parts cost us "line down" fees of up to $10,000 an hour, Among other things.
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cell # (931)-316-2020
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Monsterlover
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« Reply #219 on: June 10, 2011, 03:53:50 PM » |
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I am so not getting involved in that...
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"The Vincent was like a bullet that went straight; the Ducati is like the magic bullet in Dallas that went sideways and hit JFK and the Governor of Texas at the same time."--HST **"A man who works with his hands is a laborer. A man who works with his hands and his brain is a craftsman. A man who works with his hands, brains, and heart is an artist." -Louis Nizer**
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hooligan machinist
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« Reply #220 on: June 10, 2011, 04:04:23 PM » |
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We really didn't have a choice. For many years we shipped from stock to warehouses and distribution facilities. Then our biggest customers decided to stop stocking parts. They devoted all of thier floor space to assembly and we supply on an as needed basis. We try to stock as much as we can, but it's easy to get stuck with obsolete parts that you can't sell.
As a general rule we only have 24 hrs notice as to what has to go out.
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cell # (931)-316-2020
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ducpainter
The Often Hated
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DILLIGAF
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« Reply #221 on: June 10, 2011, 04:22:21 PM » |
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We really didn't have a choice. For many years we shipped from stock to warehouses and distribution facilities. Then our biggest customers decided to stop stocking parts. They devoted all of thier floor space to assembly and we supply on an as needed basis. We try to stock as much as we can, but it's easy to get stuck with obsolete parts that you can't sell.
As a general rule we only have 24 hrs notice as to what has to go out.
When I worked at the fab shop it was similar...except the 'parts' were machines 26' long and several tons of steel. Made for interesting life schedules. |
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"Once you accept that a child on the autistic spectrum experiences the world in
a completely different way than you, you will be open to understand how that
perspective
is even more amazing than yours."
To realize the value of nine months:
Ask a mother who gave birth to a stillborn.
"Don't piss off old people The older we get, the less 'Life in Prison' is a deterrent.”
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MendoDave
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« Reply #222 on: June 10, 2011, 04:34:02 PM » |
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The time I never worked at a Machine shop, I tied a piece of orange flagging to the fence behind me to use a s a backsight. When I walked down the hill and across the gulch to set up the Total station, I looked back for the backsight, only to discover that the Goats had eaten it right off the fence.
True story....
I think we took a plumbob shot on that one. The angle closed within 15 seconds...
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WarrenJ
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« Reply #223 on: June 10, 2011, 04:49:00 PM » |
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I've been analyzing Texas Metes and Bounds property descriptions for the last several years. I've seen errors of closure of half a mile. The Egyptians did a better job of surveying. I'd say on average, about 70% of the official surveys have gross errors of closure. Unbelieveable - 15 seconds closure - I wish! Good Job!
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This isn't a dress rehearsal for life - this is it!
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MendoDave
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« Reply #224 on: June 10, 2011, 04:59:25 PM » |
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Well that's 15 seconds per shot. It was probably better than that but anything over 15 seconds is no good and gets done over.
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