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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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#1
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toolpost grinders
What is one or does it do i think my atlas lathe came with one. And my
newbie to the machining side doesnt really get the point of it currently there is an electric motor attached ot a belt drive attached to an arbor that ends in a small grinding attachment i assume this is essentially a toolpost grinder? But the application of one is still a bit of a mystery to me and i could stand to be pointed in the right direction. |
#2
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toolpost grinders
"Brent Philion" wrote in message .. . What is one or does it do i think my atlas lathe came with one. And my newbie to the machining side doesnt really get the point of it currently there is an electric motor attached ot a belt drive attached to an arbor that ends in a small grinding attachment i assume this is essentially a toolpost grinder? But the application of one is still a bit of a mystery to me and i could stand to be pointed in the right direction. They are a precision balanced motor with a belt driven spindle with precision bearings. The assembly provides for speed changes for the size wheel in question. Not really necessary unless you intend to work with hardened materials, and not really recommend anyway. You have to grind dry, which is a grand PITA, and the resulting abrasive plays hell with a lathe, which has exposed ways, unlike a precision grinder. At best, a tool post grinder is a compromise. Relatively poor finish (as compared to a precision grinder) and difficult, at best, to control size (again, as compared to a precision grinder). As the name implies, they mount on the compound, where your tool post mounts. Don't get me wrong. They're a nice tool if you must grind and have no other options. Just avoid using one if you can. There's lots more neat stuff you can use for your shop----assuming you don't have a specific need. Harold |
#3
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toolpost grinders
On Wed, 1 Feb 2006 02:38:53 -0800, "Harold and Susan Vordos"
wrote: "Brent Philion" wrote in message . .. What is one or does it do i think my atlas lathe came with one. And my newbie to the machining side doesnt really get the point of it currently there is an electric motor attached ot a belt drive attached to an arbor that ends in a small grinding attachment i assume this is essentially a toolpost grinder? But the application of one is still a bit of a mystery to me and i could stand to be pointed in the right direction. They are a precision balanced motor with a belt driven spindle with precision bearings. The assembly provides for speed changes for the size wheel in question. Not really necessary unless you intend to work with hardened materials, and not really recommend anyway. You have to grind dry, which is a grand PITA, and the resulting abrasive plays hell with a lathe, which has exposed ways, unlike a precision grinder. At best, a tool post grinder is a compromise. Relatively poor finish (as compared to a precision grinder) and difficult, at best, to control size (again, as compared to a precision grinder). As the name implies, they mount on the compound, where your tool post mounts. Don't get me wrong. They're a nice tool if you must grind and have no other options. Just avoid using one if you can. There's lots more neat stuff you can use for your shop----assuming you don't have a specific need. Harold Indeed. Ive got a Dumore that I think Ive used (1) time in the 8 or so years Ive had it. Now it lives on a shelf because I stumbled into a Covel OD grinder that is the real deal..and I think Ive used IT 3 times when making something (Hasetalloy replacements for solenoid valves) Gunner "Deep in her heart, every moslem woman yearns to show us her tits" John Griffin |
#4
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toolpost grinders
Like the others have stated, its a super tool when needed, but it
makes a mess. Whenever I use mine, I place old bed sheets etc on my lathe, and use a piece of brown masking paper that I spray oil on so it attracks and holds the grit the grinder makes, and as much as I cover my bedways and the rest of the machine it still will find places to get into that you find months later...... -- \\\|/// ( @ @ ) -----------oOOo(_)oOOo--------------- oooO ---------( )----Oooo---------------- \ ( ( ) \_) ) / (_/ The original frugal ponder ! Koi-ahoi mates.... |
#5
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toolpost grinders
If your TP grinder is made by Atlas, you can get a manual for it from
Clausing, which merged with Atlas a number of years ago. There's a bit of info in the manual on how to use it AIR. Mike "Brent Philion" wrote in message .. . What is one or does it do i think my atlas lathe came with one. And my newbie to the machining side doesnt really get the point of it currently there is an electric motor attached ot a belt drive attached to an arbor that ends in a small grinding attachment i assume this is essentially a toolpost grinder? But the application of one is still a bit of a mystery to me and i could stand to be pointed in the right direction. |
#6
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toolpost grinders
In one shop we had a dumore 67 toolpost grinder that I used all of the
time. A pretty specific usage, grinding a plasma sprayed seal diameter on a turboprop engine component. The plasma sprayed metals do not machine worth a damn and the only way to get a decent finish is to grind them. I would leave 2-4 thou over finish and still get a little taper from the wheel wear over a half in of grinding :-) Mind you that was nothing compared to the wear on the wheels on our Heald internal grinder used to do the seal segments in the turbine paths, up to .030 on a 6"x2" alx wheel. We tried using diamond and borazon but it just clogged the wheel. We found one that worked and then ordered them in batches of 25 from a specialty wheel maker. Gunner wrote: On Wed, 1 Feb 2006 02:38:53 -0800, "Harold and Susan Vordos" wrote: "Brent Philion" wrote in message ... What is one or does it do i think my atlas lathe came with one. And my newbie to the machining side doesnt really get the point of it currently there is an electric motor attached ot a belt drive attached to an arbor that ends in a small grinding attachment i assume this is essentially a toolpost grinder? But the application of one is still a bit of a mystery to me and i could stand to be pointed in the right direction. They are a precision balanced motor with a belt driven spindle with precision bearings. The assembly provides for speed changes for the size wheel in question. Not really necessary unless you intend to work with hardened materials, and not really recommend anyway. You have to grind dry, which is a grand PITA, and the resulting abrasive plays hell with a lathe, which has exposed ways, unlike a precision grinder. At best, a tool post grinder is a compromise. Relatively poor finish (as compared to a precision grinder) and difficult, at best, to control size (again, as compared to a precision grinder). As the name implies, they mount on the compound, where your tool post mounts. Don't get me wrong. They're a nice tool if you must grind and have no other options. Just avoid using one if you can. There's lots more neat stuff you can use for your shop----assuming you don't have a specific need. Harold Indeed. Ive got a Dumore that I think Ive used (1) time in the 8 or so years Ive had it. Now it lives on a shelf because I stumbled into a Covel OD grinder that is the real deal..and I think Ive used IT 3 times when making something (Hasetalloy replacements for solenoid valves) Gunner "Deep in her heart, every moslem woman yearns to show us her tits" John Griffin |
#7
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toolpost grinders
Got any pictures?
I was thinking of making one out of a Dremel! I've had to turn down goddamm dowel pins, so I collet-ed up the pins, and just held the Dremel by hand!! Worked! At least well enough... A spin fixture on a surface grinder is probably a better method for the ends of short hard pieces. The finish from these grinders can be pretty good. My buddy finishes long shafts w/ a Dumore They are a pita, tho, and the grit/dust is a problem. Proly wouldn't hurt to blanket the ways/machine if using one for extended periods. -- Mr. P.V.'d formerly Droll Troll "Brent Philion" wrote in message .. . What is one or does it do i think my atlas lathe came with one. And my newbie to the machining side doesnt really get the point of it currently there is an electric motor attached ot a belt drive attached to an arbor that ends in a small grinding attachment i assume this is essentially a toolpost grinder? But the application of one is still a bit of a mystery to me and i could stand to be pointed in the right direction. |
#8
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toolpost grinders
On Wed, 1 Feb 2006 15:38:25 -0500, "Proctologically Violated©®"
wrote: Got any pictures? I was thinking of making one out of a Dremel! I've had to turn down goddamm dowel pins, so I collet-ed up the pins, and just held the Dremel by hand!! Worked! At least well enough... A spin fixture on a surface grinder is probably a better method for the ends of short hard pieces. The finish from these grinders can be pretty good. My buddy finishes long shafts w/ a Dumore They are a pita, tho, and the grit/dust is a problem. Proly wouldn't hurt to blanket the ways/machine if using one for extended periods. You can use carbide to turn down dowell pins. You can part 'em off too. Even the shanks of endmills and taps can be turned with carbide. ERS |
#9
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toolpost grinders
On Wed, 1 Feb 2006 15:38:25 -0500, "Proctologically Violated©®"
wrote: I was thinking of making one out of a Dremel! I've had to turn down goddamm dowel pins, so I collet-ed up the pins, and just held the Dremel by hand!! Worked! At least well enough... Dremel makes a flexible shaft attachment that is cylindrical and about 5/8" or 3/4" diameter. It fits a boring bar holder nicely. =-=-=-=-=-=-=-=-= Rob Skinner La Habra, California www.rustyiron.com |
#10
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toolpost grinders
Must be using cheap carbide...
-- Mr. P.V.'d formerly Droll Troll "Eric R Snow" wrote in message ... On Wed, 1 Feb 2006 15:38:25 -0500, "Proctologically Violated©®" wrote: Got any pictures? I was thinking of making one out of a Dremel! I've had to turn down goddamm dowel pins, so I collet-ed up the pins, and just held the Dremel by hand!! Worked! At least well enough... A spin fixture on a surface grinder is probably a better method for the ends of short hard pieces. The finish from these grinders can be pretty good. My buddy finishes long shafts w/ a Dumore They are a pita, tho, and the grit/dust is a problem. Proly wouldn't hurt to blanket the ways/machine if using one for extended periods. You can use carbide to turn down dowell pins. You can part 'em off too. Even the shanks of endmills and taps can be turned with carbide. ERS |
#11
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toolpost grinders
"Rob Skinner" wrote in message ... On Wed, 1 Feb 2006 15:38:25 -0500, "Proctologically Violated©®" wrote: I was thinking of making one out of a Dremel! I've had to turn down goddamm dowel pins, so I collet-ed up the pins, and just held the Dremel by hand!! Worked! At least well enough... Dremel makes a flexible shaft attachment that is cylindrical and about 5/8" or 3/4" diameter. It fits a boring bar holder nicely. This is a great idea!! -- Mr. P.V.'d formerly Droll Troll =-=-=-=-=-=-=-=-= Rob Skinner La Habra, California www.rustyiron.com |
#12
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toolpost grinders
Mike Henry wrote:
If your TP grinder is made by Atlas, you can get a manual for it from Clausing, which merged with Atlas a number of years ago. There's a bit of info in the manual on how to use it AIR. Mike "Brent Philion" wrote in message .. . What is one or does it do i think my atlas lathe came with one. And my newbie to the machining side doesnt really get the point of it currently there is an electric motor attached ot a belt drive attached to an arbor that ends in a small grinding attachment i assume this is essentially a toolpost grinder? But the application of one is still a bit of a mystery to me and i could stand to be pointed in the right direction. there are NO indications on it to show it was made by anyone thats the strange thing. And i can see essentially that power comes in on a 2 prong lampcord telling me its NOT a new peice of equipment |
#13
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toolpost grinders
I kinda do in fact
Proctologically Violated©® wrote: Got any pictures? I was thinking of making one out of a Dremel! I've had to turn down goddamm dowel pins, so I collet-ed up the pins, and just held the Dremel by hand!! Worked! At least well enough... A spin fixture on a surface grinder is probably a better method for the ends of short hard pieces. The finish from these grinders can be pretty good. My buddy finishes long shafts w/ a Dumore They are a pita, tho, and the grit/dust is a problem. Proly wouldn't hurt to blanket the ways/machine if using one for extended periods. -- Mr. P.V.'d formerly Droll Troll "Brent Philion" wrote in message .. . What is one or does it do i think my atlas lathe came with one. And my newbie to the machining side doesnt really get the point of it currently there is an electric motor attached ot a belt drive attached to an arbor that ends in a small grinding attachment i assume this is essentially a toolpost grinder? But the application of one is still a bit of a mystery to me and i could stand to be pointed in the right direction. |
#14
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toolpost grinders
"Brent Philion" wrote in message .. . Mike Henry wrote: If your TP grinder is made by Atlas, you can get a manual for it from Clausing, which merged with Atlas a number of years ago. There's a bit of info in the manual on how to use it AIR. Mike "Brent Philion" wrote in message .. . What is one or does it do i think my atlas lathe came with one. And my newbie to the machining side doesnt really get the point of it currently there is an electric motor attached ot a belt drive attached to an arbor that ends in a small grinding attachment i assume this is essentially a toolpost grinder? But the application of one is still a bit of a mystery to me and i could stand to be pointed in the right direction. there are NO indications on it to show it was made by anyone thats the strange thing. And i can see essentially that power comes in on a 2 prong lampcord telling me its NOT a new peice of equipment Do you have a picture that you could post to the drop box at www.metalworking.com ? Alternately, I have an original Atlas/Clausing TP grinder and can put a picture of that on my web site but it will take me to the weekend to get to it. Mike |
#15
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toolpost grinders
What is one or does it do i think my atlas lathe came with one. And my
newbie to the machining side doesnt really get the point of it currently there is an electric motor attached ot a belt drive attached to an arbor that ends in a small grinding attachment i assume this is essentially a toolpost grinder? But the application of one is still a bit of a mystery to me and i could stand to be pointed in the right direction. You will never have a use for it, and it will be laying around your shop, tripping you every time you walk past it.... so, to save you all that aggravation, you should box it up, package it well, and ship it off to ME... and let me help you from becoming upset with it.... Ken. |
#16
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toolpost grinders
Ken Sterling (Ken Sterling) wrote in message ... snip--------- You will never have a use for it, and it will be laying around your shop, tripping you every time you walk past it.... so, to save you all that aggravation, you should box it up, package it well, and ship it off to ME... and let me help you from becoming upset with it.... Ken. Such a sacrifice. A true friend! You sure you're willing to put up with all that trouble, Ken? g Harold |
#17
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toolpost grinders
THe pic i have is my full lathe with tooling the grinder is kinda small
in comparison but it is in the pic i have It looks homebrew a tube with a morot and a speed control switch (Multi position) to a triple pulley to another to a tube containing the arbor to a grinding bit (die grinder bit size) I'll attempt a posting to the drop box Do you have a picture that you could post to the drop box at www.metalworking.com ? Alternately, I have an original Atlas/Clausing TP grinder and can put a picture of that on my web site but it will take me to the weekend to get to it. Mike |
#18
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toolpost grinders
Ken Sterling wrote:
What is one or does it do i think my atlas lathe came with one. And my newbie to the machining side doesnt really get the point of it currently there is an electric motor attached ot a belt drive attached to an arbor that ends in a small grinding attachment i assume this is essentially a toolpost grinder? But the application of one is still a bit of a mystery to me and i could stand to be pointed in the right direction. You will never have a use for it, and it will be laying around your shop, tripping you every time you walk past it.... so, to save you all that aggravation, you should box it up, package it well, and ship it off to ME... and let me help you from becoming upset with it.... Ken. [insert eye roll here] new to machining born at night but NOT last night =) |
#19
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toolpost grinders
Proctologically Violated©® wrote:
Got any pictures? I was thinking of making one out of a Dremel! I've had to turn down goddamm dowel pins, so I collet-ed up the pins, and just held the Dremel by hand!! Worked! At least well enough... A spin fixture on a surface grinder is probably a better method for the ends of short hard pieces. The finish from these grinders can be pretty good. My buddy finishes long shafts w/ a Dumore They are a pita, tho, and the grit/dust is a problem. Proly wouldn't hurt to blanket the ways/machine if using one for extended periods. -- Mr. P.V.'d formerly Droll Troll "Brent Philion" wrote in message .. . What is one or does it do i think my atlas lathe came with one. And my newbie to the machining side doesnt really get the point of it currently there is an electric motor attached ot a belt drive attached to an arbor that ends in a small grinding attachment i assume this is essentially a toolpost grinder? But the application of one is still a bit of a mystery to me and i could stand to be pointed in the right direction. http://www.metalworking.com/dropbox/Lathe_01.JPG below the chuck key |
#20
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toolpost grinders
Eric R Snow wrote:
You can use carbide to turn down dowell pins. You can part 'em off too. Even the shanks of endmills and taps can be turned with carbide. ERS I've turned the flange off of drill bushings when adapting them to hold odd sized drills in a tool grinder collet. (have to slit them). Carbide is is great. Wes -- Reply to: Whiskey Echo Sierra Sierra AT Alpha Charlie Echo Golf Romeo Oscar Paul dot Charlie Charlie Lycos address is a spam trap. |
#21
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toolpost grinders
On Fri, 03 Feb 2006 02:10:05 -0500, Brent Philion
wrote: Ken Sterling wrote: Brent Philion wrote: What is one or does it do i think my atlas lathe came with one. And my newbie to the machining side doesnt really get the point of it currently You will never have a use for it, and it will be laying around your shop, tripping you every time you walk past it.... so, to save you all that aggravation, you should box it up, package it well, and ship it off to ME... and let me help you from becoming upset with it.... Ken. [insert eye roll here] new to machining born at night but NOT last night =) Hang around here a while, and you'll see lots of offers to take "worthless" stuff off your hands. Some are even serious. All kidding aside, there are things you will run across in your wanderings that you recognize what it is (or at least you are pretty sure) that were expensive or rare once, and were worth a pretty penny once, and you know you'll never use - but you know three people who can. And the price is right, as in "Get it out of here, it's been sitting there for 20 Years and I'm sick of looking at it!" So you haul it off, and you can usually find someone here to pay you the "Shipping and Handling" costs to get it to a good home, where it will get used for the intended purpose. That, or they might have something sitting around taking up space at their shop that YOU need - What goes around comes around... And you saved landfill space, too! -- Bruce -- -- Bruce L. Bergman, Woodland Hills (Los Angeles) CA - Desktop Electrician for Westend Electric - CA726700 5737 Kanan Rd. #359, Agoura CA 91301 (818) 889-9545 Spamtrapped address: Remove the python and the invalid, and use a net. |
#22
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toolpost grinders
Of course, the *week after* he gets rid of it, he's gonna need it--bad.
I finally got rid of a bunch of old tires, after 10 years. Wouldn't you know, two weeks later, I needed a bunch of old tires?? Hadda go back to the dump.... Someone way upstairs has a wicked sense of humor. -- Mr. P.V.'d formerly Droll Troll "Bruce L. Bergman" wrote in message ... On Fri, 03 Feb 2006 02:10:05 -0500, Brent Philion wrote: Ken Sterling wrote: Brent Philion wrote: What is one or does it do i think my atlas lathe came with one. And my newbie to the machining side doesnt really get the point of it currently You will never have a use for it, and it will be laying around your shop, tripping you every time you walk past it.... so, to save you all that aggravation, you should box it up, package it well, and ship it off to ME... and let me help you from becoming upset with it.... Ken. [insert eye roll here] new to machining born at night but NOT last night =) Hang around here a while, and you'll see lots of offers to take "worthless" stuff off your hands. Some are even serious. All kidding aside, there are things you will run across in your wanderings that you recognize what it is (or at least you are pretty sure) that were expensive or rare once, and were worth a pretty penny once, and you know you'll never use - but you know three people who can. And the price is right, as in "Get it out of here, it's been sitting there for 20 Years and I'm sick of looking at it!" So you haul it off, and you can usually find someone here to pay you the "Shipping and Handling" costs to get it to a good home, where it will get used for the intended purpose. That, or they might have something sitting around taking up space at their shop that YOU need - What goes around comes around... And you saved landfill space, too! -- Bruce -- -- Bruce L. Bergman, Woodland Hills (Los Angeles) CA - Desktop Electrician for Westend Electric - CA726700 5737 Kanan Rd. #359, Agoura CA 91301 (818) 889-9545 Spamtrapped address: Remove the python and the invalid, and use a net. |
#23
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toolpost grinders
"Brent Philion" wrote in message . .. Proctologically Violated©® wrote: Got any pictures? I was thinking of making one out of a Dremel! I've had to turn down goddamm dowel pins, so I collet-ed up the pins, and just held the Dremel by hand!! Worked! At least well enough... A spin fixture on a surface grinder is probably a better method for the ends of short hard pieces. The finish from these grinders can be pretty good. My buddy finishes long shafts w/ a Dumore They are a pita, tho, and the grit/dust is a problem. Proly wouldn't hurt to blanket the ways/machine if using one for extended periods. -- Mr. P.V.'d formerly Droll Troll "Brent Philion" wrote in message .. . What is one or does it do i think my atlas lathe came with one. And my newbie to the machining side doesnt really get the point of it currently there is an electric motor attached ot a belt drive attached to an arbor that ends in a small grinding attachment i assume this is essentially a toolpost grinder? But the application of one is still a bit of a mystery to me and i could stand to be pointed in the right direction. http://www.metalworking.com/dropbox/Lathe_01.JPG below the chuck key The link seems to be dead... |
#24
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toolpost grinders
Mike Henry wrote:
"Brent Philion" wrote in message . .. Proctologically Violated©® wrote: Got any pictures? I was thinking of making one out of a Dremel! I've had to turn down goddamm dowel pins, so I collet-ed up the pins, and just held the Dremel by hand!! Worked! At least well enough... A spin fixture on a surface grinder is probably a better method for the ends of short hard pieces. The finish from these grinders can be pretty good. My buddy finishes long shafts w/ a Dumore They are a pita, tho, and the grit/dust is a problem. Proly wouldn't hurt to blanket the ways/machine if using one for extended periods. -- Mr. P.V.'d formerly Droll Troll "Brent Philion" wrote in message m... What is one or does it do i think my atlas lathe came with one. And my newbie to the machining side doesnt really get the point of it currently there is an electric motor attached ot a belt drive attached to an arbor that ends in a small grinding attachment i assume this is essentially a toolpost grinder? But the application of one is still a bit of a mystery to me and i could stand to be pointed in the right direction. http://www.metalworking.com/dropbox/Lathe_01.JPG below the chuck key The link seems to be dead... WTF |
#25
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toolpost grinders
According to Mike Henry :
"Brent Philion" wrote in message . .. [ ... toolpost grinder discussion ... ] http://www.metalworking.com/dropbox/Lathe_01.JPG below the chuck key The link seems to be dead... That's because it was submitted with an image name which would clash with other images already there, or to be expected to come in. So, Steve (the one who runs the Dropbox) renamed it to: toolpost_grinder_and_Lathe_01.JPG along with: toolpost_grinder_and_lathe.txt Normal practice is to put your initials, or something else at the front of the names so the descriptive ".txt" file and the image or images will sort to show up together. Enjoy, DoN. -- Email: | Voice (all times): (703) 938-4564 (too) near Washington D.C. | http://www.d-and-d.com/dnichols/DoN.html --- Black Holes are where God is dividing by zero --- |
#26
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toolpost grinders
DoN. Nichols wrote:
According to Mike Henry : "Brent Philion" wrote in message m... [ ... toolpost grinder discussion ... ] http://www.metalworking.com/dropbox/Lathe_01.JPG below the chuck key The link seems to be dead... That's because it was submitted with an image name which would clash with other images already there, or to be expected to come in. So, Steve (the one who runs the Dropbox) renamed it to: toolpost_grinder_and_Lathe_01.JPG along with: toolpost_grinder_and_lathe.txt Normal practice is to put your initials, or something else at the front of the names so the descriptive ".txt" file and the image or images will sort to show up together. Enjoy, DoN. AHA thanks don i've been "Edumacated" http://www.metalworking.com/dropbox/...d_Lathe_01.JPG the toolpost grinder is on the lowershelf beloe the chuck key its a motor ina tube feeding out to 2 step pulleys back down toa drill rod in a tube feeding out to a bit of thread that the grinding burr goes onto the grinding burr obviously sticking outtowards the front the dropbox is a really neat idea and Kudos to the person wh came up with it if its steve, thanks steve |
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