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#2
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If you can get a little metalwork done, a front car hub would be great.
Tell us how much weight you want to carry. Wilson wrote in message ... I can't find anything to solve my problem because I obviously don't know how to explain my problem. I want the be able to spin by hand a heavy 24" round turntable on top of my workbench using centrifugal force. Like the wheel on a car but horizontal. I was going to make it out of 4 inches of MDF but I can't find a bearing or swivel or anything that will allow this top spin horizontally. Lazy susans are strong and stable but don't allow a friction free spin. I'm sure what I need is out there but I have no idea what it is, or what it's called. There are all sorts of bearing to spin stuff vertically, isn't there one I can attach to this table that doesn't cost hundreds of dollars. |
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#3
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lid wrote:
I can't find anything to solve my problem because I obviously don't know how to explain my problem. I want the be able to spin by hand a heavy 24" round turntable on top of my workbench using centrifugal force. Like the wheel on a car but horizontal. I was going to make it out of 4 inches of MDF but I can't find a bearing or swivel or anything that will allow this top spin horizontally. Lazy susans are strong and stable but don't allow a friction free spin. I'm sure what I need is out there but I have no idea what it is, or what it's called. There are all sorts of bearing to spin stuff vertically, isn't there one I can attach to this table that doesn't cost hundreds of dollars. I checked Lee Valley. Load capacity 100 lbs. on the largest Lazy Susan. http://www.leevalley.com/wood/page.a...50,43298,43316 They use roller bearings. Since I was going to suggest this was a roller bearing application anyway it seems like a good fit... If these are high quality they should be low friction. Maybe they would work... Force is acting downward when stopped and mostly horizontal when rotating. -- Will Occasional Techno-geek http://woodwork.pmccl.com |
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#4
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WillR wrote:
lid wrote: I can't find anything to solve my problem because I obviously don't know how to explain my problem. I want the be able to spin by hand a heavy 24" round turntable on top of my workbench using centrifugal force. Like the wheel on a car but horizontal. I was going to make it out of 4 inches of MDF but I can't find a bearing or swivel or anything that will allow this top spin horizontally. Lazy susans are strong and stable but don't allow a friction free spin. I'm sure what I need is out there but I have no idea what it is, or what it's called. There are all sorts of bearing to spin stuff vertically, isn't there one I can attach to this table that doesn't cost hundreds of dollars. I checked Lee Valley. Load capacity 100 lbs. on the largest Lazy Susan. http://www.leevalley.com/wood/page.a...50,43298,43316 They use roller bearings. Since I was going to suggest this was a roller bearing application anyway it seems like a good fit... If these are high quality they should be low friction. Maybe they would work... Force is acting downward when stopped and mostly horizontal when rotating. That was _1000 lbs._ capacity on the largest -- sorry! Please explain why this would not work. Then maybe people will understand the problem better. -- Will Occasional Techno-geek |
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#6
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WillR wrote:
.... Force is acting downward when stopped and mostly horizontal when rotating. The gravity load doesn't behave any different whether it's spinning or not... To OP, what you're application calls for is a "thrust bearing". Lazy susans or rotating TV, etc., stands are commercially available for 100+ lbs. The large under-counter one Dad and I built for Mom some 30 years ago now, used the thrust bearings from a small disc--3/4" shaft available from a good farm implement supply. What their actual load rating is I'm not sure, but it would easily hold 250-300 lb, I'm sure. |
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#7
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1000 pounds and ball bearings.
"WillR" wrote in message ... I checked Lee Valley. Load capacity 100 lbs. on the largest Lazy Susan. http://www.leevalley.com/wood/page.a...50,43298,43316 They use roller bearings. Since I was going to suggest this was a roller bearing application anyway it seems like a good fit... If these are high quality they should be low friction. Maybe they would work... Force is acting downward when stopped and mostly horizontal when rotating. -- Will Occasional Techno-geek http://woodwork.pmccl.com |
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#8
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On Sat, 09 Apr 2005 23:10:28 -0700, the inscrutable
lid spake: I can't find anything to solve my problem because I obviously don't know how to explain my problem. I want the be able to spin by hand a heavy 24" round turntable on top of my workbench using centrifugal force. Like the wheel on a car but horizontal. Give us more info. What are you making? Will any forces be at work, such as a cutting tool or shaping forces from the side? What weight will be on the table? How much external force will be applied? I was going to make it out of 4 inches of MDF but I can't find a bearing or swivel or anything that will allow this top spin horizontally. Lazy susans are strong and stable but don't allow a friction free spin. Hmm, lazy susans don't don't much force to spin, even with 200# on 'em. For a close-to-friction-free unit, mount a cut-off truck axle (with bearing and wheel) to a metal frame and put an MDF (or real wood) top on it. -- STOP LIVING LIKE VEAL ----------------------- http://diversify.com Veal-free Websites |
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#12
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#13
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Now I remember. Get a weld on stub axle and hub from Northern Hydraulics.
Have the axle welded in the center of a 1/4" plate of whatever size you want. Cut off the axle to pit the hub as low as possible, before welding . Or drill the plate to let the axle go through and then weld at the appropriate height. Drill another plate, or maybe your wood, to bolt up where the wheel would ordinarily go. I think you can find a hub with no studs in it or maybe press the studs out of one that comes with studs. Then you can use long bolts to hold the wheel on the hub. The weak point of all this is that the normal hub diameter is relatively small conpared to the table width, so the table must be pretty rigid. Come to think of it, you could use a regular rim as the base of your table, if that doesn't put you too far above the bench. Four little J bolts could hold a plywood table to the top of the rim. You could fill the rim with shot to raise its inertia. Wilson wrote in message ... On Sun, 10 Apr 2005 08:08:08 -0700, Larry Jaques wrote: On Sat, 09 Apr 2005 23:10:28 -0700, the inscrutable spake: I can't find anything to solve my problem because I obviously don't know how to explain my problem. I want the be able to spin by hand a heavy 24" round turntable on top of my workbench using centrifugal force. Like the wheel on a car but horizontal. Give us more info. What are you making? Will any forces be at work, such as a cutting tool or shaping forces from the side? What weight will be on the table? How much external force will be applied? Very little side force. The table itself will be the heavy part because I want to use the weight to keep it spinning. I was going to make it out of 4 inches of MDF but I can't find a bearing or swivel or anything that will allow this top spin horizontally. Lazy susans are strong and stable but don't allow a friction free spin. Hmm, lazy susans don't don't much force to spin, even with 200# on 'em. For a close-to-friction-free unit, mount a cut-off truck axle (with bearing and wheel) to a metal frame and put an MDF (or real wood) top on it. I tried to go this route. Auto wreckers won't do it and they want a minimum of $250 for the hub off anything. I can buy an entire utility trailer kit for less. But I was hoping to find a nice floor flange (like on single pedestal table) and a center bearing that might work. |
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#14
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Hax Planks wrote:
lid says... Lazy susans are not designed for horizontal forces and LV has suggested against it. They are designed to turn, not spin. I need something like a utility trailer wheel support only horizontal. You could just get some car (or truck) bearings from any auto parts store. They are cone bearings that support the spin in both directions. A few dollars is all they cost. Still, I think the lazy susan bearings would work very well. If your disc is centered and reasonably balanced, there will be no horizontal forces worth worrying about. Since the disc is symmetrical, the centrifugal forces cancel out and all you have left is gravity. Believe it or not, it's true. Assuming it's balanced and he doesn't apply any side force. -- --John to email, dial "usenet" and validate (was jclarke at eye bee em dot net) |
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#16
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J. Clarke says...
Assuming it's balanced and he doesn't apply any side force. The lazy susan bearing will tolerate some side force. I just don't think he will have a problem with it since the disk isn't that big or heavy. He said he had a 12" LS bearing. That should be massive overkill for his purposes. |
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#17
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On Sun, 10 Apr 2005 14:21:35 -0400, WillR
wrote: Since the lazy Susan has a race of ball bearings it will handle side forces I've never seen a Lazy Susan that would handle side loads. They're a simple thrust bearing with pressed steel races. There's no sideways location of the two races, so any sideload tends to lift the upper race off the balls and then shift the two races relative to each other, jamming them. It's not a good practice to put a sideload through any pure thrust thrust bearing,. But if you must do it, use one with deep races, not the cheapest of pressed races. If you have space, the easiest solution is a car hub. They're enormously over-engineered for this task, so you can simply ignore the direction of the applied thrust. |
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#18
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BlairR,
I may be missing a few appends to your posting, but I still do not have a picture of what you are trying to do. You want to spin by hand, not turn, a 24" diameter, 4" thick MDF turntable located on your workbench. And you want it to spin this turntable with something unknown on it, at some unknown rpm for some unknown period of time. Although I've seen a number of solutions offered, I submit to you that if you describe in some detail what you are trying to accomplish with your turntable, you will give the talented folks in this group a clearer picture of your problem and they will come up with workable ideas and maybe even the answer to your 'prayers.' Jack -- wrote in message ... I can't find anything to solve my problem because I obviously don't know how to explain my problem. I want the be able to spin by hand a heavy 24" round turntable on top of my workbench using centrifugal force. Like the wheel on a car but horizontal. I was going to make it out of 4 inches of MDF but I can't find a bearing or swivel or anything that will allow this top spin horizontally. Lazy susans are strong and stable but don't allow a friction free spin. I'm sure what I need is out there but I have no idea what it is, or what it's called. There are all sorts of bearing to spin stuff vertically, isn't there one I can attach to this table that doesn't cost hundreds of dollars. |
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#19
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On a lazy susan I made, there were two pieces -- the revolving "plate", and
the stand on which the plate sat. I mounted a large dowel to the back of the revolving plate, and then recessed the bearings from the front wheel of a bicycle into the stand., with a similar bearing set at the bottom of the column into which the dowel sat, This gave a very smooth and sturdy support to the plate, which turned easily with the touch of the hand. wrote in message ... On Sun, 10 Apr 2005 20:44:33 -0400, "John Flatley" wrote: BlairR, I may be missing a few appends to your posting, but I still do not have a picture of what you are trying to do. You want to spin by hand, not turn, a 24" diameter, 4" thick MDF turntable located on your workbench. And you want it to spin this turntable with something unknown on it, at some unknown rpm for some unknown period of time. Although I've seen a number of solutions offered, I submit to you that if you describe in some detail what you are trying to accomplish with your turntable, I want to spin a heavy turntable 24" across. I want it to spin easily and for as long as possible while supporting about 100 pounds. Replace the wheel and tire on a utility trailer, or a car or truck with a heavy table the same size as the tire turn it on edge so it is horizontal and give it the ability to sit in or on a work bench and it would work great. I can get the hub, and the bearing. But getting the part the bearing sits in and fastening that to a work bench is beyond my ability and rather costly. I was hoping there was a product out there that would do this. I can find all kinds of shafts and bearings to spin a vertical disk like grinding stones but nothing that will support a horizontal disk. |
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#21
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#22
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wrote in message ... I want to be able to spin 100 pounds items on a 24" wide turntable that will spin freely as long as possible. Tapered roller bearings, as you and others keep mentioning, are ideal. Buy trailer spindles and bearings from some place like Northern and use 'em. |
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#23
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J. Clarke wrote:
lid wrote: On Sun, 10 Apr 2005 23:28:01 -0400, "J. Clarke" wrote: wrote: On Sun, 10 Apr 2005 20:44:33 -0400, "John Flatley" wrote: BlairR, I may be missing a few appends to your posting, but I still do not have a picture of what you are trying to do. You want to spin by hand, not turn, a 24" diameter, 4" thick MDF turntable located on your workbench. And you want it to spin this turntable with something unknown on it, at some unknown rpm for some unknown period of time. Although I've seen a number of solutions offered, I submit to you that if you describe in some detail what you are trying to accomplish with your turntable, I want to spin a heavy turntable 24" across. I want it to spin easily and for as long as possible while supporting about 100 pounds. Do you want to do this because spinning a heavy turntable 24" across supporting 100 pounds gives you a woody, or is there some higher purpose to it? In other words is spinning the turntable your ultimate goal or is the turntable a means to an end? If it's a means to an end perhaps if you described that end you might get more useful advice. Does knowing what I plan to use it for give you a woody? No, knowing what you plan to use it for helps me figure out what would be a suitable design. And designing things _does_ give me a woody. If you went to an engineer and asked for an estimate on the cost to design such a thing, whatever he came up with would be at least doubled due to "lack of definition". I want to be able to spin 100 pounds items on a 24" wide turntable that will spin freely as long as possible. Are these items symmetric or asymmetric? Balanced or unbalanced? How many RPM do you want? Is most of the mass distributed in the center, around the rim, uniformly, or what? Will there be any lateral force applied to the object, if so how much lateral force? How long do you need to spin the object? Is there an objection to powering it this device? Is there any possibility that the object being spun will shift during operation? Have you given any thought to retention? Are you going to be performing cutting operations of any kind on the device being spun? Painting? Anything else? What's your budget for this? What do you have already that might be reused? Is there a college near you? If so visit the library and find a book on machine design and read it through. Then perhaps you'll understand why you're being asked for more definition. Very well put. I grew to hate high tech and engineering because of sloppy problem definitions. Nice/bad to see it wasn't only high tech that suffered from these problems. Usually after I was awarded a job I would talk to the customer and say something along the lines of "OK now -- lets nail down all the specifics..." Then I would be told -- "you're the expert -- figure out what we want -- we don't have any more time to put into this". Then ...."Let us know when you have it working -- then we'll test it and tell you if we like it". Then "If it isn't up to standard you can fix it at your own cost cause you should'a been able to figure it out...". Not all at once mind you -- just in dribs and drabs as it was revealed to you the pickle you'd got yourself into. ROTFLMAO -- Will Occasional Techno-geek |
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#24
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I can get the hub, and the bearing. But getting the part the bearing sits in and fastening that to a work bench is beyond my ability and rather costly. I was hoping there was a product out there that would do this. You can buy hub units that have the lug bolts on one side and a four bolt flange on the other allowing you to mount both sides - one to a base and the other to the turning table. Would this work for you? |
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#26
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BlairR,
I along with several other folks have asked you for more information is various ways. Your apparent refusal to discuss your project in terms of objectives and to provide any meaningful detail suggests that you may be working on a project you want to patent. There may be another reason, but it escapes me. I wish you luck in your search for a solution to your 'problem!' Jack If you are working on a patentable activity, you might consider enrolling in an Effective Communication 101 course at a local school to assist you with future projects. wrote in message ... On Sun, 10 Apr 2005 20:44:33 -0400, "John Flatley" wrote: BlairR, I may be missing a few appends to your posting, but I still do not have a picture of what you are trying to do. You want to spin by hand, not turn, a 24" diameter, 4" thick MDF turntable located on your workbench. And you want it to spin this turntable with something unknown on it, at some unknown rpm for some unknown period of time. Although I've seen a number of solutions offered, I submit to you that if you describe in some detail what you are trying to accomplish with your turntable, I want to spin a heavy turntable 24" across. I want it to spin easily and for as long as possible while supporting about 100 pounds. Replace the wheel and tire on a utility trailer, or a car or truck with a heavy table the same size as the tire turn it on edge so it is horizontal and give it the ability to sit in or on a work bench and it would work great. I can get the hub, and the bearing. But getting the part the bearing sits in and fastening that to a work bench is beyond my ability and rather costly. I was hoping there was a product out there that would do this. I can find all kinds of shafts and bearings to spin a vertical disk like grinding stones but nothing that will support a horizontal disk. |
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#27
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On Sun, 10 Apr 2005 22:02:14 -0700, the inscrutable
lid spake: On Sun, 10 Apr 2005 23:28:01 -0400, "J. Clarke" wrote: I want to spin a heavy turntable 24" across. I want it to spin easily and for as long as possible while supporting about 100 pounds. Do you want to do this because spinning a heavy turntable 24" across supporting 100 pounds gives you a woody, or is there some higher purpose to it? In other words is spinning the turntable your ultimate goal or is the turntable a means to an end? If it's a means to an end perhaps if you described that end you might get more useful advice. Does knowing what I plan to use it for give you a woody? With an attitude like that, you don't deserve any more help from any of us. Whadda maroon. -- STOP LIVING LIKE VEAL ----------------------- http://diversify.com Veal-free Websites |
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#28
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http://www.northerntool.com/webapp/w...6135&R=1613 5
wrote in message ... On Mon, 11 Apr 2005 07:16:51 -0400, "George" george@least wrote: wrote in message .. . I want to be able to spin 100 pounds items on a 24" wide turntable that will spin freely as long as possible. Tapered roller bearings, as you and others keep mentioning, are ideal. Roller bears need something to roll against and that is usually firmly attached to the vehicle. If I could find this as a one piece assembly I would. Buy trailer spindles and bearings from some place like Northern and use 'em. |
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#30
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#32
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#33
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WillR wrote:
J. Clarke wrote: lid wrote: On Sun, 10 Apr 2005 23:28:01 -0400, "J. Clarke" wrote: wrote: On Sun, 10 Apr 2005 20:44:33 -0400, "John Flatley" wrote: BlairR, I may be missing a few appends to your posting, but I still do not have a picture of what you are trying to do. You want to spin by hand, not turn, a 24" diameter, 4" thick MDF turntable located on your workbench. And you want it to spin this turntable with something unknown on it, at some unknown rpm for some unknown period of time. Although I've seen a number of solutions offered, I submit to you that if you describe in some detail what you are trying to accomplish with your turntable, I want to spin a heavy turntable 24" across. I want it to spin easily and for as long as possible while supporting about 100 pounds. Do you want to do this because spinning a heavy turntable 24" across supporting 100 pounds gives you a woody, or is there some higher purpose to it? In other words is spinning the turntable your ultimate goal or is the turntable a means to an end? If it's a means to an end perhaps if you described that end you might get more useful advice. Does knowing what I plan to use it for give you a woody? No, knowing what you plan to use it for helps me figure out what would be a suitable design. And designing things _does_ give me a woody. If you went to an engineer and asked for an estimate on the cost to design such a thing, whatever he came up with would be at least doubled due to "lack of definition". I want to be able to spin 100 pounds items on a 24" wide turntable that will spin freely as long as possible. Are these items symmetric or asymmetric? Balanced or unbalanced? How many RPM do you want? Is most of the mass distributed in the center, around the rim, uniformly, or what? Will there be any lateral force applied to the object, if so how much lateral force? How long do you need to spin the object? Is there an objection to powering it this device? Is there any possibility that the object being spun will shift during operation? Have you given any thought to retention? Are you going to be performing cutting operations of any kind on the device being spun? Painting? Anything else? What's your budget for this? What do you have already that might be reused? Is there a college near you? If so visit the library and find a book on machine design and read it through. Then perhaps you'll understand why you're being asked for more definition. Very well put. I grew to hate high tech and engineering because of sloppy problem definitions. Nice/bad to see it wasn't only high tech that suffered from these problems. Usually after I was awarded a job I would talk to the customer and say something along the lines of "OK now -- lets nail down all the specifics..." Then I would be told -- "you're the expert -- figure out what we want -- we don't have any more time to put into this". Then ..."Let us know when you have it working -- then we'll test it and tell you if we like it". Then "If it isn't up to standard you can fix it at your own cost cause you should'a been able to figure it out...". Not all at once mind you -- just in dribs and drabs as it was revealed to you the pickle you'd got yourself into. Then there are the companies that have learned the hard way about lack of definition and overreact. I remember one fairly small job we did for Boeing (you could hold the part in one hand and it was all fabric) where we had to hire a guy to keep track of the spec revisions and clear out an office to hold it all--this was in the days before electronic distribution--the spec arrived on a pallet. ROTFLMAO -- --John to email, dial "usenet" and validate (was jclarke at eye bee em dot net) |
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#34
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In article ,
wrote: On Mon, 11 Apr 2005 07:00:18 -0400, "J. Clarke" wrote: I want to be able to spin 100 pounds items on a 24" wide turntable that will spin freely as long as possible. Are these items symmetric or asymmetric? Balanced or unbalanced? Yes. How many RPM do you want? As many as humanly possible. Is most of the mass distributed in the center, around the rim, uniformly, or what? Both. Will there be any lateral force applied to the object, if so how much lateral force? As much as you could apply with a stiff paint brush or rubber spatula. How long do you need to spin the object? Until I'm finished. The fewer times I have to spin it up the better. Is there an objection to powering it this device? Cost. I need this to spin 10-20 minutes once a day 4 days a week. Is there any possibility that the object being spun will shift during operation? No. As I have stated, a wheel hub assembly off a motor vehicle or utility trailer would probably be perfect. Getting a suitable one has proven to be a problem. Not being a welder it's also expensive. I didn't expect or ask anyone to design anything. I was hoping there might be a bearing assembly 'off the shelf' that might do this. Like bearing assemblies for making your own grinders and sanding machines only one that supports a horizontal disk. If the product doesn't exist I'm back to finding a suitable wheel and hub off a motor vehicle. Have you considered the swivel mechanism from a _chair_?? or a piano stool? I just got a catalog from Van Dykes Restorers (www.vandykes.com) They've got chair assemblies rated for several hundred pounds. |
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#35
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wrote in message ... I can't find anything to solve my problem because I obviously don't know how to explain my problem. I want the be able to spin by hand a heavy 24" round turntable on top of my workbench using centrifugal force. Like the wheel on a car but horizontal. I was going to make it out of 4 inches of MDF but I can't find a bearing or swivel or anything that will allow this top spin horizontally. Lazy susans are strong and stable but don't allow a friction free spin. I'm sure what I need is out there but I have no idea what it is, or what it's called. There are all sorts of bearing to spin stuff vertically, isn't there one I can attach to this table that doesn't cost hundreds of dollars. Here is how I would do it. I would drill 3" holes in all but the last (top) piece of MDF. Insert two or three common single row sealed ball bearings. Mount the shaft on a 12" square steel plate. Weld it or if no access to a welder, press and swedge fit. Add a spacer over the shaft to stop the disc from hitting the base and allow the shaft to reach all ball bearings without touching the top piece of MDF. Mount/secure vertically and balance. Re-mount on bench and spin away. Note: Bearing holes and shaft size are dependant on the size bearing you buy. Typ. Bearing this general size is $8. Graingers. Dave Posted Via Usenet.com Premium Usenet Newsgroup Services ---------------------------------------------------------- ** SPEED ** RETENTION ** COMPLETION ** ANONYMITY ** ---------------------------------------------------------- http://www.usenet.com |
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#36
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J. Clarke wrote:
Then there are the companies that have learned the hard way about lack of definition and overreact. I remember one fairly small job we did for Boeing (you could hold the part in one hand and it was all fabric) where we had to hire a guy to keep track of the spec revisions and clear out an office to hold it all--this was in the days before electronic distribution--the spec arrived on a pallet. Pretty funny actually. I have seen that too. Since I won't do gov't contracts anymore I don't see it very much. I did enjoy your story tho... LOL Been in High Tech since 68 -- have never worked for a company that wasn't all electronic format (of some kind) on the specs and product definitions -- except clients. So I can't really relate personally -- but it's still funny. -- Will Occasional Techno-geek |
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#40
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On Mon, 11 Apr 2005 09:51:57 -0700, the inscrutable
lid spake: On Mon, 11 Apr 2005 09:17:01 -0700, Larry Jaques wrote: On Sun, 10 Apr 2005 22:02:14 -0700, the inscrutable spake: On Sun, 10 Apr 2005 23:28:01 -0400, "J. Clarke" wrote: --snip-- Does knowing what I plan to use it for give you a woody? With an attitude like that, you don't deserve any more help from any of us. Whadda maroon. None of you gave me any help you moron. You gleaned no terminology from any of us, hmmm? I already had a solution. Then why did you post a request in the first place and then ungratiously bat down over a dozen tips? A hub from a utility trailer bolted to my work bench. I was looking for a 'ready to wear' more elegant solution in a bearing assembly. Something already out there. Then you should have said so, y'think? Lee Valley had already said a lazy susan bearing would not work but that didn't stop some of you from insisting they were wrong. With that much load, they'd take a lot more lateral force than they would with a light load. BTW you putz I hold 3 patents that have paid me over $12,000 dollars in the past ten years. Peanuts for sure but it isn't my job, it a result of always trying to make my hobbies more efficient. And I hold no patents but have made that much from my glare guards in the same amount of time. I'll bet your patents cost you the better part of that $12k, too. I'm a hobby woodworker and gardener, and full time computer tech, not a pretend engineer like some of you morons. That's "Technical GODs" to you, sir. g So **** off. I politely gave all the information needed to explain my problem. Then I was insulted because I wouldn't give you detailed plans of my end use. You don't need to know my end use to answer the question. You're trying to leech free info from us to use to make more money? I see. Think anyone here will ever answer another of your requests? I have a welding shop attaching a flange to the axle stub of a utility trailer hub assembly right now. It is perfect for my needs, no thanks to this group of ignoramuses. HAND Into the bit bucket you go, bubba. Ta! ---------------------------------- VIRTUE...is its own punishment http://www.diversify.com Website Applications ================================================== |
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| pulling a stuck ball bearing | Metalworking | |||
| OT Guns more Guns | Metalworking | |||
| lazy susan | Woodturning | |||
Linear Mode
