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Harbor Freight 8x12 lathe tool bit size?
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Druid Noibn
Hi,
The lathe can use up to 1/2" bits - some postings suggest using 3/8" for most work. Take care, DBN houe2005 <houe2005@...> wrote: What size tools is the 8x12 tool post designed to take? I've heard 3/8" and 1/2". I'd like to order now so by the time I receive my lathe (about a week) I'll be able to do the basics right away. Thanks. --------------------------------- Looking for earth-friendly autos? Browse Top Cars by "Green Rating" at Yahoo! Autos' Green Center. |
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hi-
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you can use up to 1/2" depending on which tool holder you use. i've recently started grinding my own hss tool blanks instead of using carbide inserts which we've used almost exclusively. with just a few seconds of grinding bits, you can end up with really nice finishes that we couldn't easily achieve with inserts. 5/16" and 3/8" bits also work fine. we use 1/4" for inside chamfering and threading. hope this helps! david MetalWorkingFAQ.NET - Over 50 content sites! <> CNC, Plans/Kits, 8x12 Lathe, Mini-Mill, How-Tos <> Sieg X3/Super X3 Mill Information, HF/Enco Coupons <> On Sat, 10 Mar 2007, houe2005 wrote:
What size tools is the 8x12 tool post designed to take? I've heard |
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hi-
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with the turret-style post that comes with the lathe, you need to use shims under the tool bit to adjust the height. you can buy shim stock or use things like cans, the strapping that came with your wooden crate, etc.. for shimstock. hope this helps! david MetalWorkingFAQ.NET - Over 50 content sites! <> CNC, Plans/Kits, 8x12 Lathe, Mini-Mill, How-Tos <> Sieg X3/Super X3 Mill Information, HF/Enco Coupons <> On Sun, 11 Mar 2007, houe2005 wrote:
Maybe I'm missing something. The tool holder that comes with the lathe |
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Maybe I'm missing something. The tool holder that comes with the lathe
can not be adjusted vertically, right? Since you want to cut with the tool at the center of rotation (or slightly below, but never above!) only a certain sized tool will get me there. Smaller tools can be used if you put a spacer in to bring the tool up to the center of rotation, but too large tools can not be brought down. Forgive if I'm missing something here since I've never owned a lathe before. So I was asking what sized tool puts be on center without spacers. --- In 7x12minilathe@..., Druid Noibn <druid_noibn@...> wrote: 3/8" for most work. I've heard 3/8" and 1/2". I'd like to order now so by the time I receive my lathe |
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Hi,
No, you're not missing anything - you've understood perfectly. I have a smaller lathe so can't give you the max siz for yours. However, with a turret style post it is quite the norm to shim each tool to height. You can shim a small tool up but not a big tool down so there is a max. Although I had the right size HSS for my 7x12 to work natively on the stock toolpost, I eventually succumbed to a QCTP which gives vertical adjustment. This facilitates toolpost mounted accessories like parting tool, boring bar holder, ball cutter, miniature milling vice, etc. John --- In 7x12minilathe@..., "houe2005" <houe2005@...> wrote: lathe can not be adjusted vertically, right? Since you want to cut withthe tool at the center of rotation (or slightly below, but neverabove!) only a certain sized tool will get me there. Smaller tools can beused if you put a spacer in to bring the tool up to the center ofrotation, but too large tools can not be brought down. Forgive if I'm missingasking what sized tool puts be on center without spacers.wrote: lathe3/8" for most work. Center.(about a week) I'll be able to do the basics right away. Thanks.
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Unless you change for a QCTP you are almost always going to have to shim your tools, especially once you start resharpening. not really a huge problem unless you change tools regularly. I keep a LH and RH turning tool pretty much permanently mounted, parting tool semi permanent and change that for a knurling tool now and then all on the standard toolpost.
Gerry Leeds UK From: "houe2005" <houe2005@...>_________________________________________________________________ MSN Hotmail is evolving - check out the new Windows Live Mail. |
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Charles E. Kinzer
True, you can't bring the shank of the too large tool down. But if it is an HSS tool you are grinding, you can grind enough of the top of the tool away near the cutting end. Imagine a typical HSS tool grind that has some positive rake ground into the top. It looks just like this, but with more of the tool bit removed than usual. The result is still a more rigid tool, even with some extra ground away near the cutting end, than if the entire shank were smaller.
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Chuck K. ----- Original Message -----
From: houe2005 To: 7x12minilathe@... Sent: Saturday, March 10, 2007 11:16 PM Subject: [7x12minilathe] Re: Harbor Freight 8x12 lathe tool bit size? Maybe I'm missing something. The tool holder that comes with the lathe can not be adjusted vertically, right? Since you want to cut with the tool at the center of rotation (or slightly below, but never above!) only a certain sized tool will get me there. Smaller tools can be used if you put a spacer in to bring the tool up to the center of rotation, but too large tools can not be brought down. Forgive if I'm missing something here since I've never owned a lathe before. So I was asking what sized tool puts be on center without spacers. --- In 7x12minilathe@..., Druid Noibn <druid_noibn@...> wrote: > > Hi, > > The lathe can use up to 1/2" bits - some postings suggest using 3/8" for most work. > > Take care, > DBN > > houe2005 <houe2005@...> wrote: > What size tools is the 8x12 tool post designed to take? I've heard > 3/8" and 1/2". I'd like to order now so by the time I receive my lathe > (about a week) I'll be able to do the basics right away. Thanks. > > > > > > > --------------------------------- > Looking for earth-friendly autos? > Browse Top Cars by "Green Rating" at Yahoo! Autos' Green Center. > > > |
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Druid Noibn
Hi,
Only if it were a perfect world. Tool bits come in many standard sizes as you are aware and HSS types are ground to address the need. This grinding is not likely to put the bit at the perfect height though ¡°good enough¡± is often heard. Adjusting the position of a tool bit is Standard Operating Procedure a.k.a. SOP, and shims of different thickness are routinely used. In fact most keep a small try of such items near the lathe. An alternate is to use a Quick Connect Tool Post QCTP as most of these have a height adjustment so one can quickly exchange the bits and the height is adjusted. As it turns out, some of the QCTP offered do not fit perfectly on some lathes the bits would be too high and can't be adjusted low enough - your original point. Some machining is required. Check with LMS and Lathemaster on this. So, "tweaking" the height of the bit is a part of the job. Take care, DBN houe2005 <houe2005@...> wrote: Maybe I'm missing something. The tool holder that comes with the lathe can not be adjusted vertically, right? Since you want to cut with the tool at the center of rotation (or slightly below, but never above!) only a certain sized tool will get me there. Smaller tools can be used if you put a spacer in to bring the tool up to the center of rotation, but too large tools can not be brought down. Forgive if I'm missing something here since I've never owned a lathe before. So I was asking what sized tool puts be on center without spacers. --- In 7x12minilathe@..., Druid Noibn <druid_noibn@...> wrote: 3/8" for most work. I've heard 3/8" and 1/2". I'd like to order now so by the time I receive my lathe --------------------------------- Don't be flakey. Get Yahoo! Mail for Mobile and always stay connected to friends. --------------------------------- Looking for earth-friendly autos? Browse Top Cars by "Green Rating" at Yahoo! Autos' Green Center. [Non-text portions of this message have been removed] |
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oneacmename
Does the 45439-1VGA from HF fit the 8x12 lathe?
I have a mill and just bought the 8x12 lathe, what other things should I order along with it? --- In 7x12minilathe@..., Druid Noibn <druid_noibn@...> wrote: sizes as you are aware and HSS types are ground to address the need. This grinding is not likely to put the bit at the perfect height though "good enough" is often heard. Adjusting the position of a tool bit is Standard Operating Procedure a.k.a. SOP, and shims of different thickness are routinely used. In fact most keep a small try of such items near the lathe. these have a height adjustment so one can quickly exchange the bits and the height is adjusted. As it turns out, some of the QCTP offered do not fit perfectly on some lathes the bits would be too high and can't be adjusted low enough - your original point. Some machining is required. Check with LMS and Lathemaster on this. with the lathe can not be adjusted vertically, right? Since you want to cut withthe tool at the center of rotation (or slightly below, but never above!)used if you put a spacer in to bring the tool up to the center ofrotation, but too large tools can not be brought down. Forgive if I'm missingasking what sized tool puts be on center without spacers.wrote: lathe3/8" for most work. (about a week) I'll be able to do the basics right away. Thanks. |
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Druid Noibn
Hi,
For the 8x-12/14 you might wish to pick up: 28587-44859 Sync Tooth belt 550mm $5.85 28728-44859 v-belt 0-720 $1.38 29380-44859 Follow Rest (Optional) $16.57 29381-44859 Steady Rest (Optional) $17.63 29382-44859 Face Plate (Optional) $12.42 No # 125mm 4-jaw Lathe Chuck for 44859 ¨C about $58. The prices might have changed. Next be prepared to wait WEEKS or months to get the items. Recently, I am having a bit of a problem with HF, damaged items and it is now 5 (FIVE) months waiting for replacement items. Shipment of wrong items ¨C the v-belt needs to be O-720 and they sent a O-710 and a Z-737 ¨C useless! If you don¡¯t mind the wait, go for it, otherwise check out LMS and Lathemaster. Yes the pricing is good but the service is poor ¨C they need a change in management. As for the QCTP you asked about ¨C I didn¡¯t buy it so I can¡¯t attest to it fitting; sorry. I am sure others can give a good opinion on it and/or so a Google search on the topic. Take care, DBN oneacmename <daniel@...> wrote: Does the 45439-1VGA from HF fit the 8x12 lathe? I have a mill and just bought the 8x12 lathe, what other things should I order along with it? --- In 7x12minilathe@..., Druid Noibn <druid_noibn@...> wrote: sizes as you are aware and HSS types are ground to address the need. This grinding is not likely to put the bit at the perfect height though "good enough" is often heard. Adjusting the position of a tool bit is Standard Operating Procedure a.k.a. SOP, and shims of different thickness are routinely used. In fact most keep a small try of such items near the lathe. these have a height adjustment so one can quickly exchange the bits and the height is adjusted. As it turns out, some of the QCTP offered do not fit perfectly on some lathes the bits would be too high and can't be adjusted low enough - your original point. Some machining is required. Check with LMS and Lathemaster on this. with the lathe can not be adjusted vertically, right? Since you want to cut withthe tool at the center of rotation (or slightly below, but never above!)used if you put a spacer in to bring the tool up to the center ofrotation, but too large tools can not be brought down. Forgive if I'm missingasking what sized tool puts be on center without spacers.wrote: lathe3/8" for most work. (about a week) I'll be able to do the basics right away. Thanks. --------------------------------- Finding fabulous fares is fun. Let Yahoo! FareChase search your favorite travel sites to find flight and hotel bargains. [Non-text portions of this message have been removed] |
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oneacmename
I placed an order with LMS and was very happy with the speed and
products. I looked on LMS and don't see the 8x12 listed any idea what replacement parts match what you suggested below from HF? BTW what QCTP are you using one from LMS? --- In 7x12minilathe@..., Druid Noibn <druid_noibn@...> wrote: Recently, I am having a bit of a problem with HF, damaged items and it is now 5 (FIVE) months waiting for replacement items. Shipment of wrong items ¨C the v-belt needs to be O-720 and they sent a O-710 and a Z-737 ¨C useless! and Lathemaster. change in management. attest to it fitting; sorry. I am sure others can give a good opinion on it and/or so a Google search on the topic. small try of such items near the lathe.above!)these have a height adjustment so one can quickly exchange the bits missingonly a certain sized tool will get me there. Smaller tools can beusedif you put a spacer in to bring the tool up to the center ofrotation,but too large tools can not be brought down. Forgive if I'm mysomething here since I've never owned a lathe before. So I wasaskingwhat sized tool puts be on center without spacers.wrote: latheCenter.(about a week) I'll be able to do the basics right away. Thanks. flight and hotel bargains. |
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Druid Noibn
Hi,
I know they have the belts, face plate, Rests, pulleys and a compatible QCTP. The LMS site doesn't seem to list the 8x12 as a catagory they support but they do have some items. Do a search using "8x" you will see a few items or use this link Take care, DBN oneacmename <daniel@...> wrote: I placed an order with LMS and was very happy with the speed and products. I looked on LMS and don't see the 8x12 listed any idea what replacement parts match what you suggested below from HF? BTW what QCTP are you using one from LMS? --- In 7x12minilathe@..., Druid Noibn <druid_noibn@...> wrote: Recently, I am having a bit of a problem with HF, damaged items and it is now 5 (FIVE) months waiting for replacement items. Shipment of wrong items ¨C the v-belt needs to be O-720 and they sent a O-710 and a Z-737 ¨C useless! and Lathemaster. change in management. attest to it fitting; sorry. I am sure others can give a good opinion on it and/or so a Google search on the topic. small try of such items near the lathe.above!)these have a height adjustment so one can quickly exchange the bits missingonly a certain sized tool will get me there. Smaller tools can beusedif you put a spacer in to bring the tool up to the center ofrotation,but too large tools can not be brought down. Forgive if I'm mysomething here since I've never owned a lathe before. So I wasaskingwhat sized tool puts be on center without spacers.wrote: latheCenter.(about a week) I'll be able to do the basics right away. Thanks. flight and hotel bargains.
--------------------------------- The fish are biting. Get more visitors on your site using Yahoo! Search Marketing. [Non-text portions of this message have been removed] |
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Druid Noibn
Hi Daniel,
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I messed up and deleted your recent posting on "step-by-step" guides. Most of the material posted is good - but avoid much of the over-priced offerings on eBay. Many positive comments were made regarding the DVDs offered by LMS. #1 issue - safety - the machines are fun, but we can do some serious damage if we aren't careful. #2 - enjoy the work - right now, practice, practice, practice. #3 - look at the DVDs and learn tool-bit grinding, and turning. Your experience with a mill is good, different but good. Let all know what you are doing - educate us. Take care, DBN Daniel <daniel@...> wrote: I placed an order with LMS and was very happy with the speed and products. I looked on LMS and don't see the 8x12 listed any idea what replacement parts match what you suggested below from HF? BTW what QCTP are you using one from LMS? * REPLY SEPARATOR * On 3/11/2007 at 3:28 PM Druid Noibn wrote:
Hi, For the 8x-12/14 you might wish to pick up: 28587-44859 Sync Tooth belt 550mm $5.85 28728-44859 v-belt 0-720 $1.38 29380-44859 Follow Rest (Optional) $16.57 29381-44859 Steady Rest (Optional) $17.63 29382-44859 Face Plate (Optional) $12.42 No # 125mm 4-jaw Lathe Chuck for 44859 ¨C about $58. The prices might have changed. Next be prepared to wait WEEKS or months to get the items. Recently, I am having a bit of a problem with HF, damaged items and it is now 5 (FIVE) months waiting for replacement items. Shipment of wrong items ¨C the v-belt needs to be O-720 and they sent a O-710 and a Z-737 ¨C useless! If you don¡¯t mind the wait, go for it, otherwise check out LMS and Lathemaster. Yes the pricing is good but the service is poor ¨C they need a change in management. As for the QCTP you asked about ¨C I didn¡¯t buy it so I can¡¯t attest to it fitting; sorry. I am sure others can give a good opinion on it and/or so a Google search on the topic. Take care, DBN oneacmename wrote: Does the 45439-1VGA from HF fit the 8x12 lathe? I have a mill and just bought the 8x12 lathe, what other things should I order along with it? --- In 7x12minilathe@..., Druid Noibn wrote: sizes as you are aware and HSS types are ground to address the need. This grinding is not likely to put the bit at the perfect height though "good enough" is often heard. Adjusting the position of a tool bit is Standard Operating Procedure a.k.a. SOP, and shims of different thickness are routinely used. In fact most keep a small try of such items near the lathe. these have a height adjustment so one can quickly exchange the bits and the height is adjusted. As it turns out, some of the QCTP offered do not fit perfectly on some lathes the bits would be too high and can't be adjusted low enough - your original point. Some machining is required. Check with LMS and Lathemaster on this. with the lathe can not be adjusted vertically, right? Since you want to cut withthe tool at the center of rotation (or slightly below, but never above!)used if you put a spacer in to bring the tool up to the center ofrotation, but too large tools can not be brought down. Forgive if I'm missingasking what sized tool puts be on center without spacers.wrote: lathe3/8" for most work. ---------------------------------(about a week) I'll be able to do the basics right away. Thanks. Finding fabulous fares is fun. Let Yahoo! FareChase search your favorite travel sites to find flight and hotel bargains. [Non-text portions of this message have been removed] [Non-text portions of this message have been removed] Be sure to check out for small mills and lathes. Yahoo! Groups Links --------------------------------- 8:00? 8:25? 8:40? Find a flick in no time with theYahoo! Search movie showtime shortcut. [Non-text portions of this message have been removed] |
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Put 8x12 in the Product Search box and you will see pretty much the same
list at LittleMachineShop.com. Regards, Chris Wood LittleMachineShop.com <> The premier source of parts and accessories for mini lathes and mini mills. 396 W. Washington Blvd. #500, Pasadena, CA 91103 (800)981-9663 * Fax (626)797-7934 ________________________________ From: 7x12minilathe@... [mailto:7x12minilathe@...] On Behalf Of oneacmename Sent: Sunday, March 11, 2007 3:39 PM To: 7x12minilathe@... Subject: [7x12minilathe] Re: Harbor Freight 8x12 lathe tool bit size? I placed an order with LMS and was very happy with the speed and products. I looked on LMS and don't see the 8x12 listed any idea what replacement parts match what you suggested below from HF? BTW what QCTP are you using one from LMS? --- In 7x12minilathe@... <mailto:7x12minilathe%40yahoogroups.com> , Druid Noibn <druid_noibn@...> wrote: Recently, I am having a bit of a problem with HF, damaged items and it is now 5 (FIVE) months waiting for replacement items. Shipment of wrong items - the v-belt needs to be O-720 and they sent a O-710 and a Z-737 - useless! and Lathemaster. change in management. attest to it fitting; sorry. I am sure others can give a good opinion on it and/or so a Google search on the topic. <mailto:7x12minilathe%40yahoogroups.com> , Druid Noibn <druid_noibn@> wrote:smallsizes as you are aware and HSS types are ground to address the try of such items near the lathe.above!)these have a height adjustment so one can quickly exchange the bits missingonly a certain sized tool will get me there. Smaller tools can beusedif you put a spacer in to bring the tool up to the center ofrotation,but too large tools can not be brought down. Forgive if I'm <mailto:7x12minilathe%40yahoogroups.com> , Druid Noibn <druid_noibn@>something here since I've never owned a lathe before. So I wasaskingwhat sized tool puts be on center without spacers. wrote:my3/8" for most work. latheCenter.(about a week) I'll be able to do the basics right away. Thanks. flight and hotel bargains. |
gerry waclawiak
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