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Thread: easy diamond tool height setter
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21st July 2014, 08:39 PM #1GOLD MEMBER
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easy diamond tool height setter
got my nice new diamond tool holders in the mail today , so of course i had to have a play with them to see how i liked them .
they are a bit different to use though i have only done a few minutes just to try them out , so far i like them .anyway what i did do was make a simple little jig to set the height cos i have had enogh of mucking around with packers and using the tailstock center to set tool heights with .
it is so easy this way its ridiculous .first off i got the tool close to center using the normal tailstock center method , then did a test facing cut and moved it a tad until i had it just right then just a bit of 1" x1" square bar put it in the mill and squared the ends off then back to the lathe and sat the bar stock on the cross slide and used the tool to scribe a line then back to the mill and milled a slot to the line .
now i just sit the bar on the cross slide hold it down with the left thumb and use another left finger to push the cutter up then nip it up with the other hand done and set to the correct height in seconds .
johno'If the enemy is in range, so are you.'
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21st July 2014 08:39 PM # ADSGoogle Adsense Advertisement
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22nd July 2014, 08:39 AM #2
Hey Johno, thanks for posting.
I've been looking these too as I also have a turret style holder, but I haven't pulled the trigger yet.
What made you go for those rather than an Aloris style holder? On the face of it both allow for quick and easy tool height adjustment but I suspect the Aloris style holder also brings more flexibility with it.
As you can probably tell, I'm torn between the two options.
Thx
Jon
Thx
Jon
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22nd July 2014, 08:54 AM #3GOLD MEMBER
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mate i think you are on the wrong track , what i am on about in this thread is the tool holder , i think you are talking about the tool post .
my lathe has always had that style tool post on it came standard with it , however i would like to change to a quick change tool post further down the track .
the tool holder i am talking about in this thread is the diamond tool holder left and right that i just bought ...
johno'If the enemy is in range, so are you.'
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22nd July 2014, 10:57 AM #4
easy diamond tool height setter
Yeh I know. It constantly frustrates me about getting my tools on centre using shims and the like. I had thought about getting the Diamond holders to make getting on centre quick and easy, but I also thought that if I got a QCTP (aloris style) then that would allow me to keep using my existing HSS and also give me a quick and easy way to get the tool bang on centre.
So with thoughts in my mind I wondered if you had had the same thoughts and if so what made you go down the Diamond route?
The only other benefit I can see with the Diamond is sharpening is easier, but I seem to be ok at that anyway.
Glad to hear you like then by the way. What size did you get? From the Diamond website I would need a 16mm for my Hercus 260.
Thx
Jon
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22nd July 2014, 11:43 AM #5GOLD MEMBER
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16mm sounds big for a hercus 260 , but i dont have one and could be wrong . i bought the 12mm holders .
it tells you in the site how to measure for the correct size . my center height is actually 11.4mm from the bottom of the tool post where the tool sits .
johno'If the enemy is in range, so are you.'
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22nd July 2014, 11:50 AM #6Banned
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DIY Diamond Tool Holder.
Make your own and see if you like them first (you will). I made my own on that principle, liked it so much I made a couple (including one for round HSS) - saved a hundred bucks or so.
I posted my efforts under 'DIY Tangential' and 'Tool sharpening attachment for DIY tangential'.
The added bonus of making them yourself is you can experiment and come up with a design that best suits you and your lathe.
I haven't found tangentials very good for threading though, I made up a special for that job.
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22nd July 2014, 08:41 PM #7
Thanks for the reminder. I had intended to make some after you posted the drawing of yours. I would like to make a left hand one and maybe another bigger right hand one. I bought the biggest one available at the time, but it looks a bit silly on my lathe. I would guess the bigger ones they have available now are pretty expensive. I would prefer to spend the money to buy or make a QCTP. The tangential can be made with scraps.
Dean
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22nd July 2014, 09:32 PM #8GOLD MEMBER
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Johno,
Thanks for posting your setting jig. As they say, necessity is the mother of invention, and this is so simple.
I bought the left and right hand toolholders and they are the best thing since sliced bread. No stuffing around sharpening and very little HSS is lost on resharpening. This jig will be a great help for me, because when I change the holders on the quick change tool post (one for each different tool) they always invariably move up or down a bit and then the tool is no longer on center. With this jig I will be able to check and adjust in a few seconds.
Rgds,
Crocy.
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22nd July 2014, 09:51 PM #9Banned
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Left or right leanings.
Oldneweng, my DIY tangential is neither left nor right, I designed it so it would do either. I did make another with the clamp on the other side but have never had a reason to use it. I haven't come across anything where I can't use it either side - yet, time will tell.
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23rd July 2014, 12:13 AM #10
Quite true. I still have your previous threads up for reference and have printed the drawing. It was the clampimg bolt that I was concerned about. I will try one and see how it goes. Can you give details about the threading tool you made?
I haven't found tangentials very good for threading though, I made up a special for that job.
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23rd July 2014, 07:55 AM #11SENIOR MEMBER
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Good on ya mate!
I was tinkering with the idea of making a setting tool as well....except my ideas were more complicated and I have been putting it off..
I'm canning my old ideas and making your one! Much simpler.
The diamond tool holders are great little tools.
Their was a thread a while back on rotating the tool 90deg and using a long edge of the cutter on centre as the final pass. This tool will help swap between using the point and edge much faster!
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23rd July 2014, 12:24 PM #12Banned
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H elix ir.
My thread cutter is really only a standard tool holder with a slight back rake of a few degrees. I made it as a double duty holder: thread cutting and for getting into tight places. Due to the slight back rake I had to increase the helix angle for thread cutting, but I find it does a superior job to the the flat tool holders I've had in the past. There is a picture of it in my 'Tool sharpening attachment for DIY tangential thread'.
On the tangential, if you take a few slices off the allen head clamp screw, countersink the clamp screw hole, set the tool slot over a mm or two and/or grind the tool holder nose at a more acute angle, clearance shouldn't be a problem.
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23rd July 2014, 10:29 PM #13
The picture is a bit on the small side. No problems. Your last post in that thread may be tho!
[QUOTE] No good holder @#$%^&*(
[/QUOTE]
Have you improved the design since then?
I also have started to make (a long time ago) an X/Y slide to mount on the grinder for sharpening various tools. Adjustable angles and the ability to crank the tool in by small increments, then sweep across the surface of the wheel accurately. I stopped because I had issues with the POS grinder I had. Now I have an Abbot and Ashby, but nowhere to put it untill I get my shed a bit more organised. I am also working on a drill sharpener improvement as mentioned in a recent thread, but first I want to finish a disk sander mounted on to a cheap wood lathe. I am not getting much "me" shed time at the moment.
Dean
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24th July 2014, 12:04 AM #14Banned
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H elix ir
Yes, I scratched my head for a while on that one. I wasn't getting a very good finish cutting threads, once I changed the helix angle it cut beautifully. Still haven't got around to making a sharpening jig for the thread cutter. Like you, I'm currently looking at making a (simple) jig for drill bits.
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