Home |
Search |
Today's Posts |
|
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. |
Reply |
|
LinkBack | Thread Tools | Display Modes |
|
#1
|
|||
|
|||
Colchester gear: $800!!!!!!
Awl--
My buddy's 13x40 Clausing-Colchester wore itself out, needed a gear in the front carriage power feed ditty. Yeah, Clausing wants $800 for one gear, about 3.5" diam, 54 tooth. Goodgawd.... Dare I say it--but another gigantic PV?? Fortunately, my buddy makes gears, so this wasn't the biggest deal in the world--he could make 40 for $800! How he did it is pretty neat. Not having any cast iron to match the gear material, he bought an oversized gear from a local power place, turned off the teeth, redid the ID, and cut the teeth. Ackshooly not hard iffin yer familiar w/ gear cutting indexers, at least for non-exotic stuff. Pretty tricky, otherwise. Can also do them in a 4th axis in a VMC, much more straightforward. But for people not set up to cut gears, that is one whopping bill--never mind the labor involved in the tear-down/rebuild, etc. All this sorta makes me nervous about running my machines.... ---------------------------- Mr. P.V.'d formerly Droll Troll |
#2
|
|||
|
|||
Cincinnati Milacron wanted $6600 for 2 gears to do metric threading on
my Cincinnati Tray-Top lathe. And only $20 for the metric plate for the QC box. Vince P.S. I still can not to metric threading Proctologically Violated©® wrote: Awl-- My buddy's 13x40 Clausing-Colchester wore itself out, needed a gear in the front carriage power feed ditty. Yeah, Clausing wants $800 for one gear, about 3.5" diam, 54 tooth. Goodgawd.... Dare I say it--but another gigantic PV?? Fortunately, my buddy makes gears, so this wasn't the biggest deal in the world--he could make 40 for $800! How he did it is pretty neat. Not having any cast iron to match the gear material, he bought an oversized gear from a local power place, turned off the teeth, redid the ID, and cut the teeth. Ackshooly not hard iffin yer familiar w/ gear cutting indexers, at least for non-exotic stuff. Pretty tricky, otherwise. Can also do them in a 4th axis in a VMC, much more straightforward. But for people not set up to cut gears, that is one whopping bill--never mind the labor involved in the tear-down/rebuild, etc. All this sorta makes me nervous about running my machines.... ---------------------------- Mr. P.V.'d formerly Droll Troll |
#3
|
|||
|
|||
A ratio of 80/63 is SO close to 1.27 it is within .015 percent.
If you want to do the ratio with other gears, you nead a 20, 21 and 4 to 3 tooth combination of gears for compound gearing. You might be able to find a 21 tooth gear cheaper than a 127 tooth gear. The others needed for the 80/63 ratio should be common, or will factor out once you look at your quick change gear ratios. IOW if you already have a 21 tooth gear, you might easily be able to make up a gear train that will do the metric threads you want. I didn't spoon feed the exact combination of gears to use, since I don't know which threads you are shooting for, or how you lathe is set up, or what gears you own. But I did toss out an idea about how to do metric threading without needing a 127 tooth gear. Another combination that is not as close, uses a 47/37 ratio. That combination comes out within .027% but does not factor out to smaller gears than a 47 tooth. Pete |
#4
|
|||
|
|||
"Vince Iorio" wrote in message ... Cincinnati Milacron wanted $6600 for 2 gears to do metric threading on my Cincinnati Tray-Top lathe. And only $20 for the metric plate for the QC box. Vince Do you have a mill? Index head or rotary table? If so, what's preventing you from making the gears you need for the Tray-Top?? Using a similar gear as a template, hand grind a HSS toolbit with the proper tooth form and have at it. The gears can be generated a tooth at a time, with a fly cutter. It's slow, but a very rewarding experience. You could make the gear(s) from free machining brass if necessary, then invest in the $20 metric plate for the box. You likely understand that your tool would represent a tooth, and it would form the mating sides of the teeth in the gear you'd generate. The tool would, therefore, look like a gear tooth as viewed from the side. A little tough to hand grind, but very possible to do. Been there, done that. Didn't get the T shirt, though. Harold |
#5
|
|||
|
|||
"Rewarding experience" is not the phrase I'd use--"sorta inneresting big
pita" might be more apt. But goddamm, $6600 takes the cake!! wow.... If Vince wants to sleuth this out himself, I'm sure the good people here would be a big help. If he'd rather my buddy make him a gear (or anyone else) on the cheap, email me and I'll set it up. You'll need to provide accurate dimensions/tolerances, or a print, or a sample--or, in some cases, a piece of a sample. g. Rather than grinding a tool bit, you're better off buying a gear cutter, with the right profile. But you'll need the gear indexer ditty on your BP, which is not cheap, either. Ahm no 'spert, but Boston Gear is the MSC of this sort of stuff. Sounds like the makings of a half-decent bidniss, making ones-ies/two-sies of busted gears for older machines. ---------------------------- Mr. P.V.'d formerly Droll Troll "Harold and Susan Vordos" wrote in message ... "Vince Iorio" wrote in message ... Cincinnati Milacron wanted $6600 for 2 gears to do metric threading on my Cincinnati Tray-Top lathe. And only $20 for the metric plate for the QC box. Vince Do you have a mill? Index head or rotary table? If so, what's preventing you from making the gears you need for the Tray-Top?? Using a similar gear as a template, hand grind a HSS toolbit with the proper tooth form and have at it. The gears can be generated a tooth at a time, with a fly cutter. It's slow, but a very rewarding experience. You could make the gear(s) from free machining brass if necessary, then invest in the $20 metric plate for the box. You likely understand that your tool would represent a tooth, and it would form the mating sides of the teeth in the gear you'd generate. The tool would, therefore, look like a gear tooth as viewed from the side. A little tough to hand grind, but very possible to do. Been there, done that. Didn't get the T shirt, though. Harold |
#6
|
|||
|
|||
On Sat, 17 Sep 2005 20:52:01 -0400, "Proctologically Violated©®"
wrote: "Rewarding experience" is not the phrase I'd use--"sorta inneresting big pita" might be more apt. But goddamm, $6600 takes the cake!! wow.... If Vince wants to sleuth this out himself, I'm sure the good people here would be a big help. If he'd rather my buddy make him a gear (or anyone else) on the cheap, email me and I'll set it up. You'll need to provide accurate dimensions/tolerances, or a print, or a sample--or, in some cases, a piece of a sample. g. Rather than grinding a tool bit, you're better off buying a gear cutter, with the right profile. But you'll need the gear indexer ditty on your BP, which is not cheap, either. Ahm no 'spert, but Boston Gear is the MSC of this sort of stuff. Sounds like the makings of a half-decent bidniss, making ones-ies/two-sies of busted gears for older machines. ---------------------------- Start off with brass replacementss for all those zinc/Zemac gears from 109 and Atlas lathes that have been rotting away. GUnner Mr. P.V.'d formerly Droll Troll "Harold and Susan Vordos" wrote in message ... "Vince Iorio" wrote in message ... Cincinnati Milacron wanted $6600 for 2 gears to do metric threading on my Cincinnati Tray-Top lathe. And only $20 for the metric plate for the QC box. Vince Do you have a mill? Index head or rotary table? If so, what's preventing you from making the gears you need for the Tray-Top?? Using a similar gear as a template, hand grind a HSS toolbit with the proper tooth form and have at it. The gears can be generated a tooth at a time, with a fly cutter. It's slow, but a very rewarding experience. You could make the gear(s) from free machining brass if necessary, then invest in the $20 metric plate for the box. You likely understand that your tool would represent a tooth, and it would form the mating sides of the teeth in the gear you'd generate. The tool would, therefore, look like a gear tooth as viewed from the side. A little tough to hand grind, but very possible to do. Been there, done that. Didn't get the T shirt, though. Harold "Pax Americana is a philosophy. Hardly an empire. Making sure other people play nice and dont kill each other (and us) off in job lots is hardly empire building, particularly when you give them self determination under "play nice" rules. Think of it as having your older brother knock the **** out of you for torturing the cat." Gunner |
#7
|
|||
|
|||
Proctologically Violated©® wrote:
Sounds like the makings of a half-decent bidniss, making ones-ies/two-sies of busted gears for older machines. I'm starting to think along these lines. Haven't been able to find brush holders for a huge old B&D 1/2" drill, so I drew it up in CAD and am programming it now. Think I'll make a dozen sets and see if anyone else can use some. From one-off to short runs, there's probably some money to be made keeping good old tools from being recycled into cheapo new trinket tools... Jon |
#8
|
|||
|
|||
Proctologically Violated©® wrote:
"Rewarding experience" is not the phrase I'd use--"sorta inneresting big pita" might be more apt. But goddamm, $6600 takes the cake!! wow.... If Vince wants to sleuth this out himself, I'm sure the good people here would be a big help. If he'd rather my buddy make him a gear (or anyone else) on the cheap, email me and I'll set it up. You'll need to provide accurate dimensions/tolerances, or a print, or a sample--or, in some cases, a piece of a sample. g. Rather than grinding a tool bit, you're better off buying a gear cutter, with the right profile. But you'll need the gear indexer ditty on your BP, which is not cheap, either. Ahm no 'spert, but Boston Gear is the MSC of this sort of stuff. Sounds like the makings of a half-decent bidniss, making ones-ies/two-sies of busted gears for older machines. ---------------------------- Mr. P.V.'d formerly Droll Troll "Harold and Susan Vordos" wrote in message ... I don't know how much they quote for this work, but are either EDM or waterjet practical for making onesie/ twosies gears? David |
#9
|
|||
|
|||
David R. Birch wrote:
Proctologically Violated©® wrote: "Rewarding experience" is not the phrase I'd use--"sorta inneresting big pita" might be more apt. But goddamm, $6600 takes the cake!! wow.... If Vince wants to sleuth this out himself, I'm sure the good people here would be a big help. If he'd rather my buddy make him a gear (or anyone else) on the cheap, email me and I'll set it up. You'll need to provide accurate dimensions/tolerances, or a print, or a sample--or, in some cases, a piece of a sample. g. Rather than grinding a tool bit, you're better off buying a gear cutter, with the right profile. But you'll need the gear indexer ditty on your BP, which is not cheap, either. Ahm no 'spert, but Boston Gear is the MSC of this sort of stuff. Sounds like the makings of a half-decent bidniss, making ones-ies/two-sies of busted gears for older machines. ---------------------------- Mr. P.V.'d formerly Droll Troll "Harold and Susan Vordos" wrote in message ... I don't know how much they quote for this work, but are either EDM or waterjet practical for making onesie/ twosies gears? From what I've seen of waterjet machines, I doubt they'd be accurate enough. Although they're much more accurate than oxyacetylene, the jet diverges as it passes through the material, so you end up with a sloping edge. This was a few years ago, though - they might be better now. Chris |
#10
|
|||
|
|||
David R. Birch wrote:
Proctologically Violated©® wrote: "Rewarding experience" is not the phrase I'd use--"sorta inneresting big pita" might be more apt. But goddamm, $6600 takes the cake!! wow.... If Vince wants to sleuth this out himself, I'm sure the good people here would be a big help. If he'd rather my buddy make him a gear (or anyone else) on the cheap, email me and I'll set it up. You'll need to provide accurate dimensions/tolerances, or a print, or a sample--or, in some cases, a piece of a sample. g. Rather than grinding a tool bit, you're better off buying a gear cutter, with the right profile. But you'll need the gear indexer ditty on your BP, which is not cheap, either. Ahm no 'spert, but Boston Gear is the MSC of this sort of stuff. Sounds like the makings of a half-decent bidniss, making ones-ies/two-sies of busted gears for older machines. ---------------------------- Mr. P.V.'d formerly Droll Troll "Harold and Susan Vordos" wrote in message ... I don't know how much they quote for this work, but are either EDM or waterjet practical for making onesie/ twosies gears? From what I've seen of waterjet machines, I doubt they'd be accurate enough. Although they're much more accurate than oxyacetylene, the jet diverges as it passes through the material, so you end up with a sloping edge. This was a few years ago, though - they might be better now. Chris |
#11
|
|||
|
|||
Seems like waterjet would be ideal for short runs of gears since they
are basically flat. Here's a crazy idea... How about cutting the change gears from phenolic using a laser. Would they be tough enough? On modern CNC equipment would they just make a single gear when one is ordered or run a batch of say, 6, and save the rest for future orders? Not much material in a gear so they wouldn't take up much space to store in case another order came in next week. I would never make just one of anything if making more only used another 3 bucks worth of material and 10 bucks labor. |
#12
|
|||
|
|||
"Proctologically Violated©®" wrote in message ... snip--- Rather than grinding a tool bit, you're better off buying a gear cutter, with the right profile. All depends on how damned cheap you are. I'm so tight fisted I squeak when I walk. :-) You're right, of course, but not everyone wants to invest in task specific tooling. This is an easy way out. I'm one of those lucky *******s that can hand grind toolbits that work. Not too long ago I hand ground one for a spur gear--inspecting it with my trusty comparator. It was symmetrical within a thou----which pleased me no end. Gear turned out fine, although the idea sucked, so the entire project was for no good reason. Doing things like hand grinding difficult forms is what keeps your skills up. I've always taken great pride in my ability. Harold |
#13
|
|||
|
|||
Tight-fisted and/or broke-assed!! dammmmm....
My in-ability to grind **** is almost equally impressive--in a perverse way, I could be proud of it as well, as it makes the fact that I get anything done at all somewhat of a miracle. Quick Q on tool grinding, in particular lathe bits: Is a Dremel an instrumental part of bit grinding? I've seen some nice bits with chip breakers, grooves, reliefs, that look like they could not have been done on a standard wheel, but I've never actually seen anyone make these. Also, I've seen custom lathe bits so perfect, no grind marks, it looks like they couldn't have been done by hand. EDM? some other way? We inherited a box-ful of these, and it's almost a shame to now scuzzy them up with our primitive alterations. ---------------------------- Mr. P.V.'d formerly Droll Troll "Harold and Susan Vordos" wrote in message ... "Proctologically Violated©®" wrote in message ... snip--- Rather than grinding a tool bit, you're better off buying a gear cutter, with the right profile. All depends on how damned cheap you are. I'm so tight fisted I squeak when I walk. :-) You're right, of course, but not everyone wants to invest in task specific tooling. This is an easy way out. I'm one of those lucky *******s that can hand grind toolbits that work. Not too long ago I hand ground one for a spur gear--inspecting it with my trusty comparator. It was symmetrical within a thou----which pleased me no end. Gear turned out fine, although the idea sucked, so the entire project was for no good reason. Doing things like hand grinding difficult forms is what keeps your skills up. I've always taken great pride in my ability. Harold |
#14
|
|||
|
|||
Harold and Susan Vordos wrote:
"Proctologically Violated©®" wrote in message ... snip--- Rather than grinding a tool bit, you're better off buying a gear cutter, with the right profile. All depends on how damned cheap you are. I'm so tight fisted I squeak when I walk. :-) You're right, of course, but not everyone wants to invest in task specific tooling. This is an easy way out. I'm one of those lucky *******s that can hand grind toolbits that work. Not too long ago I hand ground one for a spur gear--inspecting it with my trusty comparator. It was symmetrical within a thou----which pleased me no end. Gear turned out fine, although the idea sucked, so the entire project was for no good reason. Doing things like hand grinding difficult forms is what keeps your skills up. I've always taken great pride in my ability. Harold A person need not be cheap to tackle this . Being held up for ransom is reason enough for me to tackle some things . That and a stubborn streak I can rely on to get me to the end of the tough jobs . Never cut a gear but I sure would be learning before handing that amount over , yikes . Ken Cutt |
#15
|
|||
|
|||
I wanted to do metric threading to do a "free" job for a friend. I do
have plans to make the two gears one day, but first I need to make a 127 hole indexing plate for my dividing head. And I might even have to make a raiser block for the indexing head). Has anyone ever noticed that one simple project is actually a series of increasing difficult ones? Vince Proctologically Violated©® wrote: "Rewarding experience" is not the phrase I'd use--"sorta inneresting big pita" might be more apt. But goddamm, $6600 takes the cake!! wow.... If Vince wants to sleuth this out himself, I'm sure the good people here would be a big help. If he'd rather my buddy make him a gear (or anyone else) on the cheap, email me and I'll set it up. You'll need to provide accurate dimensions/tolerances, or a print, or a sample--or, in some cases, a piece of a sample. g. Rather than grinding a tool bit, you're better off buying a gear cutter, with the right profile. But you'll need the gear indexer ditty on your BP, which is not cheap, either. Ahm no 'spert, but Boston Gear is the MSC of this sort of stuff. Sounds like the makings of a half-decent bidniss, making ones-ies/two-sies of busted gears for older machines. ---------------------------- Mr. P.V.'d formerly Droll Troll "Harold and Susan Vordos" wrote in message ... "Vince Iorio" wrote in message ... Cincinnati Milacron wanted $6600 for 2 gears to do metric threading on my Cincinnati Tray-Top lathe. And only $20 for the metric plate for the QC box. Vince Do you have a mill? Index head or rotary table? If so, what's preventing you from making the gears you need for the Tray-Top?? Using a similar gear as a template, hand grind a HSS toolbit with the proper tooth form and have at it. The gears can be generated a tooth at a time, with a fly cutter. It's slow, but a very rewarding experience. You could make the gear(s) from free machining brass if necessary, then invest in the $20 metric plate for the box. You likely understand that your tool would represent a tooth, and it would form the mating sides of the teeth in the gear you'd generate. The tool would, therefore, look like a gear tooth as viewed from the side. A little tough to hand grind, but very possible to do. Been there, done that. Didn't get the T shirt, though. Harold |
#16
|
|||
|
|||
On Sun, 18 Sep 2005 09:37:24 -0400, Vince Iorio
wrote: I wanted to do metric threading to do a "free" job for a friend. I do have plans to make the two gears one day, but first I need to make a 127 hole indexing plate for my dividing head. And I might even have to make a raiser block for the indexing head). Has anyone ever noticed that one simple project is actually a series of increasing difficult ones? Vince Thats Cornells Law. Gunner Proctologically Violated©® wrote: "Rewarding experience" is not the phrase I'd use--"sorta inneresting big pita" might be more apt. But goddamm, $6600 takes the cake!! wow.... If Vince wants to sleuth this out himself, I'm sure the good people here would be a big help. If he'd rather my buddy make him a gear (or anyone else) on the cheap, email me and I'll set it up. You'll need to provide accurate dimensions/tolerances, or a print, or a sample--or, in some cases, a piece of a sample. g. Rather than grinding a tool bit, you're better off buying a gear cutter, with the right profile. But you'll need the gear indexer ditty on your BP, which is not cheap, either. Ahm no 'spert, but Boston Gear is the MSC of this sort of stuff. Sounds like the makings of a half-decent bidniss, making ones-ies/two-sies of busted gears for older machines. ---------------------------- Mr. P.V.'d formerly Droll Troll "Harold and Susan Vordos" wrote in message ... "Vince Iorio" wrote in message ... Cincinnati Milacron wanted $6600 for 2 gears to do metric threading on my Cincinnati Tray-Top lathe. And only $20 for the metric plate for the QC box. Vince Do you have a mill? Index head or rotary table? If so, what's preventing you from making the gears you need for the Tray-Top?? Using a similar gear as a template, hand grind a HSS toolbit with the proper tooth form and have at it. The gears can be generated a tooth at a time, with a fly cutter. It's slow, but a very rewarding experience. You could make the gear(s) from free machining brass if necessary, then invest in the $20 metric plate for the box. You likely understand that your tool would represent a tooth, and it would form the mating sides of the teeth in the gear you'd generate. The tool would, therefore, look like a gear tooth as viewed from the side. A little tough to hand grind, but very possible to do. Been there, done that. Didn't get the T shirt, though. Harold "Pax Americana is a philosophy. Hardly an empire. Making sure other people play nice and dont kill each other (and us) off in job lots is hardly empire building, particularly when you give them self determination under "play nice" rules. Think of it as having your older brother knock the **** out of you for torturing the cat." Gunner |
#17
|
|||
|
|||
On Sun, 18 Sep 2005 09:37:24 -0400, Vince Iorio wrote:
Has anyone ever noticed that one simple project is actually a series of increasing difficult ones? CTRS - Cascading Tool Requirement Syndrome. It's not as bad as RCTRS - Recursive Cascading Tool Requirement Syndrome, where tool "A" is needed to make tool "B", but tool "B" is needed to make the tool "A". |
#18
|
|||
|
|||
There is another way to do this. there are several sets of gears
within the normal range of the dividing heads that will give a very close approximation of 1.27:1 which are close enough for reasonable length threads. I can dig this out if you are interested. On Sun, 18 Sep 2005 09:37:24 -0400, Vince Iorio wrote: I wanted to do metric threading to do a "free" job for a friend. I do have plans to make the two gears one day, but first I need to make a 127 hole indexing plate for my dividing head. And I might even have to make a raiser block for the indexing head). Has anyone ever noticed that one simple project is actually a series of increasing difficult ones? Vince Proctologically Violated©® wrote: "Rewarding experience" is not the phrase I'd use--"sorta inneresting big pita" might be more apt. But goddamm, $6600 takes the cake!! wow.... If Vince wants to sleuth this out himself, I'm sure the good people here would be a big help. If he'd rather my buddy make him a gear (or anyone else) on the cheap, email me and I'll set it up. You'll need to provide accurate dimensions/tolerances, or a print, or a sample--or, in some cases, a piece of a sample. g. Rather than grinding a tool bit, you're better off buying a gear cutter, with the right profile. But you'll need the gear indexer ditty on your BP, which is not cheap, either. Ahm no 'spert, but Boston Gear is the MSC of this sort of stuff. Sounds like the makings of a half-decent bidniss, making ones-ies/two-sies of busted gears for older machines. ---------------------------- Mr. P.V.'d formerly Droll Troll "Harold and Susan Vordos" wrote in message ... "Vince Iorio" wrote in message ... Cincinnati Milacron wanted $6600 for 2 gears to do metric threading on my Cincinnati Tray-Top lathe. And only $20 for the metric plate for the QC box. Vince Do you have a mill? Index head or rotary table? If so, what's preventing you from making the gears you need for the Tray-Top?? Using a similar gear as a template, hand grind a HSS toolbit with the proper tooth form and have at it. The gears can be generated a tooth at a time, with a fly cutter. It's slow, but a very rewarding experience. You could make the gear(s) from free machining brass if necessary, then invest in the $20 metric plate for the box. You likely understand that your tool would represent a tooth, and it would form the mating sides of the teeth in the gear you'd generate. The tool would, therefore, look like a gear tooth as viewed from the side. A little tough to hand grind, but very possible to do. Been there, done that. Didn't get the T shirt, though. Harold |
#19
|
|||
|
|||
Harold and Susan Vordos wrote: "Vince Iorio" wrote in message ... Cincinnati Milacron wanted $6600 for 2 gears to do metric threading on my Cincinnati Tray-Top lathe. And only $20 for the metric plate for the QC box. Vince Do you have a mill? Yes Index head or rotary table? Yes If so, what's preventing you from making the gears you need for the Tray-Top?? Time I am of the mind set that I can do almost anything in my shop, but I am always a little short on time. Using a similar gear as a template, hand grind a HSS toolbit with the proper tooth form and have at it. The gears can be generated a tooth at a time, with a fly cutter. It's slow, but a very rewarding experience. You could make the gear(s) from free machining brass if necessary, then invest in the $20 metric plate for the box. You likely understand that your tool would represent a tooth, and it would form the mating sides of the teeth in the gear you'd generate. The tool would, therefore, look like a gear tooth as viewed from the side. A little tough to hand grind, but very possible to do. Been there, done that. Didn't get the T shirt, though. Harold |
#20
|
|||
|
|||
"Vince Iorio" wrote in message ... Harold and Susan Vordos wrote: "Vince Iorio" wrote in message ... Cincinnati Milacron wanted $6600 for 2 gears to do metric threading on my Cincinnati Tray-Top lathe. And only $20 for the metric plate for the QC box. Vince Do you have a mill? Yes Index head or rotary table? Yes If so, what's preventing you from making the gears you need for the Tray-Top?? Time Understood! :-) And if you think it's slipping away quickly now, wait until you retire. Harold |
#21
|
|||
|
|||
On Fri, 16 Sep 2005 17:06:28 -0400, "Proctologically Violated©®"
wrote: Awl-- My buddy's 13x40 Clausing-Colchester wore itself out, needed a gear in the front carriage power feed ditty. Yeah, Clausing wants $800 for one gear, about 3.5" diam, 54 tooth. Goodgawd.... Dare I say it--but another gigantic PV?? Fortunately, my buddy makes gears, so this wasn't the biggest deal in the world--he could make 40 for $800! How he did it is pretty neat. Not having any cast iron to match the gear material, he bought an oversized gear from a local power place, turned off the teeth, redid the ID, and cut the teeth. Ackshooly not hard iffin yer familiar w/ gear cutting indexers, at least for non-exotic stuff. Pretty tricky, otherwise. Can also do them in a 4th axis in a VMC, much more straightforward. But for people not set up to cut gears, that is one whopping bill--never mind the labor involved in the tear-down/rebuild, etc. All this sorta makes me nervous about running my machines.... ---------------------------- Mr. P.V.'d formerly Droll Troll For $800, Id sell him another identical lathe. With a good gear. Gunner "Pax Americana is a philosophy. Hardly an empire. Making sure other people play nice and dont kill each other (and us) off in job lots is hardly empire building, particularly when you give them self determination under "play nice" rules. Think of it as having your older brother knock the **** out of you for torturing the cat." Gunner |
#22
|
|||
|
|||
"Gunner Asch" wrote in message ... For $800, Id sell him another identical lathe. With a good gear. Gunner Somebody should point this out to the rapists at Clausing...... Jeff |
#23
|
|||
|
|||
On Sat, 17 Sep 2005 12:39:12 -0400, "Never_Enough_Tools"
wrote: "Gunner Asch" wrote in message .. . For $800, Id sell him another identical lathe. With a good gear. Gunner Somebody should point this out to the rapists at Clausing...... Jeff I dont think they have such in stock, but manufacture them as they are ordered. Doing them one at a time reallllllly adds to the cost. Gunner "Pax Americana is a philosophy. Hardly an empire. Making sure other people play nice and dont kill each other (and us) off in job lots is hardly empire building, particularly when you give them self determination under "play nice" rules. Think of it as having your older brother knock the **** out of you for torturing the cat." Gunner |
#24
|
|||
|
|||
"Gunner Asch" wrote in message ... On Sat, 17 Sep 2005 12:39:12 -0400, "Never_Enough_Tools" wrote: "Gunner Asch" wrote in message .. . For $800, Id sell him another identical lathe. With a good gear. Gunner Somebody should point this out to the rapists at Clausing...... Jeff I dont think they have such in stock, but manufacture them as they are ordered. Doing them one at a time reallllllly adds to the cost. Gunner "Pax Americana is a philosophy. Hardly an empire. Making sure other people play nice and dont kill each other (and us) off in job lots is hardly empire building, particularly when you give them self determination under "play nice" rules. Think of it as having your older brother knock the **** out of you for torturing the cat." Gunner That's right. I've got a 5310 Clausing lathe that was made in 1956. I was pleasantly surprised to see how many parts of it were still in stock with the Clausing people. Yes, they're expensive. Big time. I also have made attempts to try and find new old stock parts for a Panhead Harley that was made in '56 too. Nearly nothing out there and what is available is marked up at a much higher ratio than the Clausing parts. I'm just glad the Clausing people are making an attempt to stay in business and help people keep these fine old lathes running. I would imagine if they didn't charge so much for them, they'd fold. Just my .02. Garrett Fulton |
#25
|
|||
|
|||
Correct...they make the part as the requests come in.
If you ran the business, would you do it any differently? As you pointed out, at least they are supporting it. Have you tried to find a part for an older Asian lathe...good luck, you will need it. Actually this brings up a subject that I seldom see addressed. As more and more of our manufacturing goes elsewhere, the subject of supporting our manufacturing infrastructure as it gets older and wears out is going to get very interesting and expensive. We see in the manual machines that HSMers try to support by parting out old machines...well, there are just so many old machines and many of them are being shipped to China as scrap to be melted down. No company wants to carry parts inventory and many parts are such that they cannot be made one at a time. I think it will accelerate the decline of our ability to build anything. TMT |
#26
|
|||
|
|||
"gfulton" wrote in message ... "Gunner Asch" wrote in message ... On Sat, 17 Sep 2005 12:39:12 -0400, "Never_Enough_Tools" wrote: "Gunner Asch" wrote in message .. . For $800, Id sell him another identical lathe. With a good gear. Gunner Somebody should point this out to the rapists at Clausing...... Jeff I dont think they have such in stock, but manufacture them as they are ordered. Doing them one at a time reallllllly adds to the cost. Gunner "Pax Americana is a philosophy. Hardly an empire. Making sure other people play nice and dont kill each other (and us) off in job lots is hardly empire building, particularly when you give them self determination under "play nice" rules. Think of it as having your older brother knock the **** out of you for torturing the cat." Gunner That's right. I've got a 5310 Clausing lathe that was made in 1956. I was pleasantly surprised to see how many parts of it were still in stock with the Clausing people. Yes, they're expensive. Big time. I also have made attempts to try and find new old stock parts for a Panhead Harley that was made in '56 too. Nearly nothing out there and what is available is marked up at a much higher ratio than the Clausing parts. I'm just glad the Clausing people are making an attempt to stay in business and help people keep these fine old lathes running. I would imagine if they didn't charge so much for them, they'd fold. Just my .02. IME, a lot of the common wear parts are actually pretty reasonable from Clausing, but maybe that's because they sell enough of them to keep the cost down while still making a decent profit. They're manual proces are also pretty reasonable (=$25) and they will sometimes sell blueprints for parts that are no longer made. Mike |
#27
|
|||
|
|||
I think I would see if I could have got a stock gear that was a little
thicker and had a smaller hole but had the correct diameter and pitch. -- Roger Shoaf If knowledge is power, and power corrupts, what does this say about the Congress? "Proctologically Violated©®" wrote in message ... Awl-- My buddy's 13x40 Clausing-Colchester wore itself out, needed a gear in the front carriage power feed ditty. Yeah, Clausing wants $800 for one gear, about 3.5" diam, 54 tooth. Goodgawd.... Dare I say it--but another gigantic PV?? Fortunately, my buddy makes gears, so this wasn't the biggest deal in the world--he could make 40 for $800! How he did it is pretty neat. Not having any cast iron to match the gear material, he bought an oversized gear from a local power place, turned off the teeth, redid the ID, and cut the teeth. Ackshooly not hard iffin yer familiar w/ gear cutting indexers, at least for non-exotic stuff. Pretty tricky, otherwise. Can also do them in a 4th axis in a VMC, much more straightforward. But for people not set up to cut gears, that is one whopping bill--never mind the labor involved in the tear-down/rebuild, etc. All this sorta makes me nervous about running my machines.... ---------------------------- Mr. P.V.'d formerly Droll Troll |
#28
|
|||
|
|||
snip
Fortunately, my buddy makes gears, so this wasn't the biggest deal in the world--he could make 40 for $800! snip In case anyone wants to try it, I suggest the book "gears and gear cutting" by ivan law. Good intro to involute and cycloid gears both inch and metric as well as how to cut. See: http://www.amazon.co.uk/exec/obidos/...434453-3523639 This is the UK amazon. You can buy in the US from Powells see http://www.powells.com/ or you might try the US amazon. also see http://www.alanstepney.info/page89.html item #17 I have had good luck using 6061 T6 aluminium and formica/micarta for change gears. This appears to be very light duty/intermitant use, esp. for the home shop machininst. |
Reply |
Thread Tools | Search this Thread |
Display Modes | |
|
|
Similar Threads | ||||
Thread | Forum | |||
uh, oh -- post drill gear problem | Metalworking | |||
Gear cutting follow-up | Metalworking | |||
Gear fabrication advise needed | Metalworking | |||
Gear cutting...am I crazy? (long) | Metalworking | |||
Help a newbie out? | Metalworking |