 I was given a Metal Lathe., Help me choose projects. |
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| veekry9 |
 Jan 14 2016, 08:10 AM
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#73
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OldMember  Group: Retired Members Posts: 3,068 Joined: 17-June 13 From: TO Member No.: 16,025 Region Association: Canada  |
Useful attachment to mill splines on axleshafts.
A multipurpose mill/turn machine. https://www.google.ca/search?q=lathe+millin...AJfnkmXvAX6M%3A |
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| Series9 |
Jan 14 2016, 08:54 AM
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#74
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Lesbians taste like chicken. Group: Members Posts: 5,444 Joined: 22-August 04 From: DeLand, FL Member No.: 2,602 Region Association: South East States |
QUOTE(veekry9 @ Jan 14 2016, 09:10 AM)  Useful attachment to mill splines on axleshafts. A multipurpose mill/turn machine. https://www.google.ca/search?q=lathe+millin...AJfnkmXvAX6M%3A Neat. |
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| mbseto |
Jan 14 2016, 04:09 PM
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#75
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Senior Member Group: Members Posts: 1,255 Joined: 6-August 14 From: Cincy Member No.: 17,743 Region Association: North East States |
This is NOT a beginner project and I'm not recommending to anyone, but I found it very educational in terms of what good custom lathe work looks like.
http://www.the-long-family.com/making_a_muzzle_brake.htm |
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| Mueller |
Jan 14 2016, 04:39 PM
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#76
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914 Freak! Group: Members Posts: 17,146 Joined: 4-January 03 From: Antioch, CA Member No.: 87 Region Association: None 
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QUOTE(mbseto @ Jan 14 2016, 02:09 PM) This is NOT a beginner project and I'm not recommending to anyone, but I found it very educational in terms of what good custom lathe work looks like. http://www.the-long-family.com/making_a_muzzle_brake.htm Heck, that should be labeled NSFC...Not Safe For Californians , hahaha Joe, when you get bored with it, convert it to CNC, I'm in the planning stages with my old Sebastian lathe to convert it... Motion Controller - KFLOP |
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| veekry9 |
Jan 14 2016, 05:33 PM
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#77
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OldMember Group: Retired Members Posts: 3,068 Joined: 17-June 13 From: TO Member No.: 16,025 Region Association: Canada |
https://forum.linuxcnc.org/forum/index/
Proprietary boards and motors have their place in manufacturing,and there are a number of heavy machine companies doing business. http://www.dipaolocnc.com/ https://www.youtube.com/watch?v=9IAHUy9A4U4 Very expensive though,you would have to have the work to pay for it. The beauty of the Emc2,now LinuxCNC is that the development costs were borne by http://www.nist.gov/ to circumvent the bottleneck of the manufacturer's constraints. A fella in Wichita converted a heavy 1960's 20hp Cincinnati 5X Mill to do aerospace,cheaply with great success,cheeply. Some sweat equity is also a prerequisite,the geometry of the machine defining the expenditures.Big=$. https://www.google.ca/webhp?sourceid=chrome...etools+used+usa The prices are dropping rapidly for burnt board machines. (IMG:style_emoticons/default/smile.gif) Converting a manual machine to cnc poses additional,large hardware costs. (edit) https://www.youtube.com/watch?v=Nn1bJ3YAQdI https://www.youtube.com/watch?v=mxxdq6y8z8M https://www.youtube.com/watch?v=35tHYaDUmZQ This is it,in action. / |
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| Mueller |
Jan 14 2016, 05:51 PM
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#78
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914 Freak! Group: Members Posts: 17,146 Joined: 4-January 03 From: Antioch, CA Member No.: 87 Region Association: None
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QUOTE(veekry9 @ Jan 14 2016, 03:33 PM) https://forum.linuxcnc.org/forum/index/ Proprietary boards and motors have their place in manufacturing,and there are a number of heavy machine companies doing business. http://www.dipaolocnc.com/ https://www.youtube.com/watch?v=9IAHUy9A4U4 Very expensive though,you would have to have the work to pay for it. The beauty of the Emc2,now LinuxCNC is that the development costs were borne by http://www.nist.gov/ to circumvent the bottleneck of the manufacturer's constraints. A fella in KC converted a heavy 60's Pratt+Whitney 5X Mill to do aerospace,cheaply with great success,cheeply. Some sweat equity is also a prerequisite,the geometry of the machine defining the expenditures.Big=$. https://www.google.ca/webhp?sourceid=chrome...chinetools+used The prices are dropping rapidly for burnt board machines. (IMG:style_emoticons/default/smile.gif) Converting a manual machine to cnc poses additional,large hardware costs. I've done a few small CNC conversions from manual machines at home, I did a CNC retrofit a few years ago at work using Mach3, nobody likes it except for me and a few machinists. No more low dollar retrofits for work, all new FANUC electronics or Delta Tau, a little more $$ but worth it in the end. |
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| Series9 |
Jan 14 2016, 05:55 PM
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#79
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Lesbians taste like chicken. Group: Members Posts: 5,444 Joined: 22-August 04 From: DeLand, FL Member No.: 2,602 Region Association: South East States |
QUOTE(Mueller @ Jan 14 2016, 05:39 PM) when you get bored with it...... (IMG:style_emoticons/default/laugh.gif) No pun? |
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| r_towle |
Jan 14 2016, 07:18 PM
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#80
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Custom Member Group: Members Posts: 24,599 Joined: 9-January 03 From: Taxachusetts Member No.: 124 Region Association: North East States
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You should make a clock out of the rotor and hang it over the lathe......just cause
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| Series9 |
Jan 15 2016, 08:20 AM
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#81
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Lesbians taste like chicken. Group: Members Posts: 5,444 Joined: 22-August 04 From: DeLand, FL Member No.: 2,602 Region Association: South East States |
QUOTE(r_towle @ Jan 14 2016, 08:18 PM) You should make a clock out of the rotor and hang it over the lathe......just cause You're right. I'll do something like that. |
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| Series9 |
Jan 24 2016, 06:20 PM
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#82
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Lesbians taste like chicken. Group: Members Posts: 5,444 Joined: 22-August 04 From: DeLand, FL Member No.: 2,602 Region Association: South East States |
I have my first revenue project.
I'll be modifying 914 axles for 944 CVs. That should be a good one, because .001 precision isn't critical. Updates will follow. (IMG:style_emoticons/default/beerchug.gif) |
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| r_towle |
Jan 24 2016, 06:21 PM
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#83
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Custom Member Group: Members Posts: 24,599 Joined: 9-January 03 From: Taxachusetts Member No.: 124 Region Association: North East States
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Oh no....
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| veekry9 |
Jan 24 2016, 06:27 PM
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#84
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OldMember Group: Retired Members Posts: 3,068 Joined: 17-June 13 From: TO Member No.: 16,025 Region Association: Canada |
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| mskala |
Jan 28 2016, 07:23 PM
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#85
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R Group: Members Posts: 1,925 Joined: 2-January 03 From: Massachusetts Member No.: 79 Region Association: None
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| Series9 |
Jan 28 2016, 07:53 PM
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#86
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Lesbians taste like chicken. Group: Members Posts: 5,444 Joined: 22-August 04 From: DeLand, FL Member No.: 2,602 Region Association: South East States |
Observations from the mind of a beginner on the lathe:
Not having quick-change tools with adjustable height is complete bullshit. That will be corrected shortly. The "simple" task of chucking a lug nut is not simple at all. It's almost impossible to get them to spin true. I have discovered this is because the bolt head and the threaded shaft are not necessarily manufactured on the same axis. This makes the "easy" task of turning a flat shoulder out of the conical seat very difficult if you want it to be perpendicular to the axis of the threading. With the (?) tooling I found with the lathe, I can face steel at about 1mm per pass at 260 rpm. If you get greedy or impatient and go for 1.5mm per pass, you will be looking for another tool. I ruined a parting tool, so I need more information on its correct use. Once I ruin the tip on a parting blade, how do I fix/sharpen it again? Can I? On a positive note, I was able to put that brake rotor I ruined back on the machine. I got the wheel face turning within .001" and was then able to make the braking surfaces do the same. On my previous effort, I had managed to turn the outer face to a runout of .006" and the inner face to .01". Ouch. (IMG:style_emoticons/default/laugh.gif) Attached thumbnail(s) 
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| r_towle |
Jan 28 2016, 08:20 PM
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#87
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Custom Member Group: Members Posts: 24,599 Joined: 9-January 03 From: Taxachusetts Member No.: 124 Region Association: North East States
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Nice clock
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| Series9 |
Jan 29 2016, 08:06 AM
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#88
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Lesbians taste like chicken. Group: Members Posts: 5,444 Joined: 22-August 04 From: DeLand, FL Member No.: 2,602 Region Association: South East States |
I don't want to pay the price, but it looks like I'll be buying an Aloris BXA tool post and holders. I found a set for around $650, but I'm still shopping for used. Chinese sets can be had for less than half that, but I think I'll eventually replace my Chinese lathe with a good one, so I might as well start assembling good tooling. |
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| toolguy |
Jan 29 2016, 09:39 AM
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#89
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Senior Member Group: Members Posts: 1,270 Joined: 2-April 11 From: San Diego / El Cajon Member No.: 12,889 Region Association: Southern California
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Look at KDK style first. . much better and a lot easier to use. . there use to
be a seller that had Tiawan copies which are just as good. . holders are about $20 each. . It's the toolpost that is expensive. . Get the 100 size This is an excellent deal. . full set with 8 holders $350 buy it now http://www.ebay.com/itm/Lathe-KDK-100-Quic...VUAAOSwHQ9WZ2KZ |
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| jd74914 |
Jan 29 2016, 10:03 AM
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#90
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Its alive Group: Members Posts: 4,782 Joined: 16-February 04 From: CT Member No.: 1,659 Region Association: North East States |
QUOTE(toolguy @ Jan 29 2016, 10:39 AM) Look at KDK style first. Those are so cool without the big bar on top to get in the way. Never seen one around here though; maybe it's a west coast thing? |
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| Series9 |
Jan 29 2016, 10:28 AM
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#91
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Lesbians taste like chicken. Group: Members Posts: 5,444 Joined: 22-August 04 From: DeLand, FL Member No.: 2,602 Region Association: South East States |
QUOTE(toolguy @ Jan 29 2016, 10:39 AM) Look at KDK style first. . much better and a lot easier to use. . there use to be a seller that had Tiawan copies which are just as good. . holders are about $20 each. . It's the toolpost that is expensive. . Get the 100 size This is an excellent deal. . full set with 8 holders $350 buy it now http://www.ebay.com/itm/Lathe-KDK-100-Quic...VUAAOSwHQ9WZ2KZ Where is the height adjustment on those? |
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| ChrisFoley |
Jan 29 2016, 10:53 AM
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#92
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I am Tangerine Racing Group: Members Posts: 7,937 Joined: 29-January 03 From: Bolton, CT Member No.: 209 Region Association: None
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I use Aloris BX series. They have sales on a regular basis.
I use their .087 wide carbide parting tool inserts (with someone else's holder I think). |
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