No denigration intended but I heard tell ages ago that anyone could be a hero in aluminum. Off the shelf versions can be tooled with just normal woodworking equipment. The esoteric alloys are a different beastie all together. Kinda like welding steel - just about anyone can do it. Welding copper/nickel is a whole new ballgame. I've watched a couple of your videos and don't fault any of them, you do what makes you happy and I'm glad. If other people do it different so be it and I'm happy for them. Kinda like cooking. Everyone has their version of Green Bean casserole and think it's the best - there are very few that stand apart tho. Keep doing what you do!
good video Dave Enjoyed it very much. I made one a while ago but used high speed steel, of course on the first attempt, I cut it backwards. I think the insert is a lot more durable than the one I made. Cheers!
Did you put the top of the incert on centerline? Other wise you will get rubbing on the tool! Next by tilting the insert so the tip does the cutting on the bottom you no long have a 60 degree dove tail cut.
I'm doing a bit of reading about cnc,the insert tooling for a lot of what is available is made to cut either material specific and or at specific rpm and feed rate to avoid chatter. I know this is going to be harder to sort out on a manual turning operation ,but it's worth finding out to get the best finish ,especially if you're machining a shank for a cutting tool that won't be surface ground to size. You can "nc" using stepper motor drive for the x and y axis,you can have manual dialed input for feed rate or using say an "arduino" to drive the steppers,all very simple to do,lots of vids on youtube on the subject,it's something i intend to add to my manual mill and lathe plus a DRO. ATB
I've had many talk about feeds and speeds and have many books and tables on the subject. And have done lots of experiments over the years only to decide to ignore it all. Watch CNC videos who run cutters at 10,000 RPM ignoring all the rules. I get fantastic finishes and can hold .0002 tolerances just use cutting fluid. 3 motor oil to 1 kerosene.
How funny I've been throwing ideas around all morning on one. But want something a little heavier than my Dremel. Was hoping to hold a 3" x 1/2" wheel or something like that. Problem is finding a motor...
Agreed, the dremel is really weak. But its fine for dusting off half a thou. I wouldn't trust it to hold perfect tolerance, but I have used it for making guide rods out of 4340 steel, which machines like crap, especially 7 inches long and around 3/8th thick. I maintained a thou, but I make probably 20 passes to get it right.
Seems the bottom of the insert is on center when really the top (cutting edge) should be on center see video at th-cam.com/video/l8n4NoekbQE/w-d-xo.html Also you said you wanted the insert to point downward a bit... wont this cause the dovetail angle to be more than 60° since the insert is already 60...??
Thanks for the video Dave.Im thinking about buying a mini lathe about the size you have,wo ndering what you have and how much you rate it?thanks martin
There are 3 main lathe suppliers, the little machine shop, grizzly and harbor freight. They all come from one factory in china all with different issues. I have the HF 7x10 and spent countless hours learning and fixing problems. All problems and repairs are posted in different videos on my channel. I don't think it matters which one you get but in order of best support to none is LMS, Grizzly, HF. Feel free to email me privately if you need more help....
Dave - Another good video. I noticed you have a shop fox 3 jaw chuck. . Can you tell me the model number and the size chuck. I am interested in purchasing one for my 7x10" HF lathe. thanks, Dan
I bought it a LONG time ago (2013) off Amazon and the description said Steelex. Opened the package and Shop Fox. www.amazon.com/gp/product/B000LDOJGW/ref=oh_aui_search_detailpage?ie=UTF8&psc=1
You said you couldn't find a video of somebody making a dove tale cutter? I found several but I remember watching this guy make one years ago: Randy Richard In The Shop
th-cam.com/play/PLkVYuSKafn3EvBQcl7HjjiavRkJsSCYpx.html I knew randy had done a vid but it was hard to find when I searched. I would expect the insert top be on centreline, but your design seems to work.
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Enjoyed the whole process. Thanks for sharing
Good job Dave. I don't make them that way but you got it done and it works.
Thanks Randy. Your video was what finally made me curious enough to make one...
@@TheMiniMachineShop machinist here, the hole must be offcentered towards your wall so the insert can snug itself in as you tighten the screw
Very impressive Dave. I just ordered some more Jinwen tool holders from you-know-where but now I'm wishing I'd made some. Nice job!
No denigration intended but I heard tell ages ago that anyone could be a hero in aluminum. Off the shelf versions can be tooled with just normal woodworking equipment. The esoteric alloys are a different beastie all together. Kinda like welding steel - just about anyone can do it. Welding copper/nickel is a whole new ballgame. I've watched a couple of your videos and don't fault any of them, you do what makes you happy and I'm glad. If other people do it different so be it and I'm happy for them. Kinda like cooking. Everyone has their version of Green Bean casserole and think it's the best - there are very few that stand apart tho. Keep doing what you do!
good video Dave Enjoyed it very much. I made one a while ago but used high speed steel, of course on the first attempt, I cut it backwards. I think the insert is a lot more durable than the one I made. Cheers!
it might help stability a little if you center the toolpost over the 2nd slide before machining , from wat i see its kindah hanging over thin air
THANK YOU...for sharing.
Did you put the top of the incert on centerline? Other wise you will get rubbing on the tool! Next by tilting the insert so the tip does the cutting on the bottom you no long have a 60 degree dove tail cut.
Don't know if anyone mentioned it but TOP of insert should be on centre not the bottom face of insert. As it is your running 1/8" (?) above centre
Not sure where you perceived this from as I've done videos showing how to set the cutter on rotational center. Even in the video facing was on center.
I'm doing a bit of reading about cnc,the insert tooling for a lot of what is available is made to cut either material specific and or at specific rpm and feed rate to avoid chatter.
I know this is going to be harder to sort out on a manual turning operation ,but it's worth finding out to get the best finish ,especially if you're machining a shank for a cutting tool that won't be surface ground to size.
You can "nc" using stepper motor drive for the x and y axis,you can have manual dialed input for feed rate or using say an "arduino" to drive the steppers,all very simple to do,lots of vids on youtube on the subject,it's something i intend to add to my manual mill and lathe plus a DRO.
ATB
I've had many talk about feeds and speeds and have many books and tables on the subject. And have done lots of experiments over the years only to decide to ignore it all. Watch CNC videos who run cutters at 10,000 RPM ignoring all the rules. I get fantastic finishes and can hold .0002 tolerances just use cutting fluid. 3 motor oil to 1 kerosene.
Thanks Dave.
You did a great job ,thumb up now ill have to make some lol see what you did
I made a tool post grinder with a dremel that works GREAT for doing finish passes on 1018/A36.
How funny I've been throwing ideas around all morning on one. But want something a little heavier than my Dremel. Was hoping to hold a 3" x 1/2" wheel or something like that. Problem is finding a motor...
Agreed, the dremel is really weak. But its fine for dusting off half a thou. I wouldn't trust it to hold perfect tolerance, but I have used it for making guide rods out of 4340 steel, which machines like crap, especially 7 inches long and around 3/8th thick. I maintained a thou, but I make probably 20 passes to get it right.
Seems the bottom of the insert is on center when really the top (cutting edge) should be on center see video at th-cam.com/video/l8n4NoekbQE/w-d-xo.html
Also you said you wanted the insert to point downward a bit... wont this cause the dovetail angle to be more than 60° since the insert is already 60...??
Dave what insert did you use. Nice job. I have been thinking about trying to make one of these myself.
toolinghouse.com TCMT 21.51-CM-C5
I was working on making this but i see there is no print on your website yet. It looks like a great project.
Thanks for the video Dave.Im thinking about buying a mini lathe about the size you have,wo
ndering what you have and how much you rate it?thanks martin
There are 3 main lathe suppliers, the little machine shop, grizzly and harbor freight. They all come from one factory in china all with different issues. I have the HF 7x10 and spent countless hours learning and fixing problems. All problems and repairs are posted in different videos on my channel. I don't think it matters which one you get but in order of best support to none is LMS, Grizzly, HF. Feel free to email me privately if you need more help....
Dave - Another good video. I noticed you have a shop fox 3 jaw chuck. . Can you tell me the model number and the size chuck. I am interested in purchasing one for my 7x10" HF lathe. thanks, Dan
I bought it a LONG time ago (2013) off Amazon and the description said Steelex. Opened the package and Shop Fox. www.amazon.com/gp/product/B000LDOJGW/ref=oh_aui_search_detailpage?ie=UTF8&psc=1
You said you couldn't find a video of somebody making a dove tale cutter? I found several but I remember watching this guy make one years ago: Randy Richard In The Shop
What brand indicator is that? Is it like a mitutoyo brand?
That was some generic made in China test indicator I didn't care if damages. Ebay has them for a few dollars.
did you make the stop for the cross slide carriage?
Yes the plans for it are on the web site...
Now do you have your own website that this is on?
its listed at the end of every video...
Check Randy Richards in the shop he has great dovetail cutter do it yourself
I subscribe to Randy's channel because I like his work. Just went thru his video list and yes he shows it off but not the making it right...
th-cam.com/play/PLkVYuSKafn3EvBQcl7HjjiavRkJsSCYpx.html
I knew randy had done a vid but it was hard to find when I searched.
I would expect the insert top be on centreline, but your design seems to work.
the insert needs the proper relief 7deg otherwise its flimsy