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Diamomd tool holder

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chris stephens11/08/2009 15:00:25
1049 forum posts
1 photos
Hi All fans of Diamond tool-holders,
For those of you how mistakenly think a Diamond/Tangential toolholder is a new or novel idea, take a look at the picture , hopefully, below. It is an image from a book dated 1886, just goes to show "there is nothing new under the Sun". Looks kinda familiar, don't you think?
chris
 
Clearly my hopes where dashed! How do you post images? It was one the same page as the text but did not come out on the post.

Edited By chris stephens on 11/08/2009 15:05:10

Edited By chris stephens on 11/08/2009 15:13:56

David Blunn13/08/2009 05:13:04
21 forum posts
The tangential toolholders give a good finish and is easy to use. The only issue I have noticed with mine (eccentric) is when thread cutting (the finished thread is excellent) you have to cant the tool holder around to the tailstock to get the tool square to the work and this limits how close you can get to the chuck or a large shoulder. Other than this the tool is excellent and the only carbide insert tool I regularly use is the parting tool (another must have).
 
Regards,
Dave
Berry NSW
Australia
chris stephens13/08/2009 12:44:30
1049 forum posts
1 photos
Hi Dave,
I must agree with you about the benefits and short comings of thread cutting. I have been making some pushbike axles from EN16T, to replace bendy Alloy ones, and get really clean cuts and threads. Downside is the ridiculous angle of the toolholder (home made) so have plans to make a special for thread cutting, just have to get my poor brain around the angles needed, unless I make one with a swiveling end! Maybe not.
Hope I can finish in time for SMEE demonstrations at Sandown MEX, unfortunately I live in a time-machine and if I am not careful and blink, I jump forward a month or two. I can't seem to find the reverse controls.
chris

If this comes up twice, blame Google Chrome.
David Blunn16/08/2009 01:08:48
21 forum posts
Hi Chris,
I know exactly what you mean about the time machine, I'm stuck in one of those as well. A holder just for threading would be excellent. As for those compound angles, they do my head in as well.
Good luck with getting it all together for the SMEE demonstration.
 
Best regards,
Dave
ken heppener16/08/2009 06:39:47
24 forum posts
24 photos
Hi George....I placed my order on the 5th of this month and I'm still waiting for it to arrive.....Reading all the reports it still sounds as if it's worth waiting for....Regards Ken.
Circlip16/08/2009 11:53:28
1723 forum posts
Yes, the George Thomas article on the adjustable dials makes for good reading,but really you need to  supliment it with the graduating tool.
 
   Regards  Ian.
George Scollay16/08/2009 20:15:20
19 forum posts
Hi Ken, The time that I had to wait was somewhere about the same,as I was away on holiday I am not sure how many days it took but it should be with you any day now and it should be worth the wait .  PS I got an email from Eccentric when they posted it
Colin Reed17/08/2009 13:45:52
14 forum posts
Posted by ken heppener on 16/08/2009 06:39:47:
I placed my order on the 5th of this month and I'm still waiting for it to arrive..
 
Mine was ordered on the 5th August and I've had a message from my wife to say it has been delivered - total cost was £57.47 assuming there will be no further customs charges (are they charged for items imported from Australia to the UK?).
 
I ordered the smallest T6 size for my Taig lathe. Does anyone have an online UK source for the recommended M42 grade, 8% cobalt HSS square 1/8" tool blanks?
 
Colin
 
 
 
 
ken heppener25/08/2009 07:14:29
24 forum posts
24 photos
Hi George and all readers....I got the tool holder a few days ago and I must admit it is a please to use.....I have never been all that great at sharpening tools free hand and now with this little tool jig that comes with it I am assured of a keen shart edge every time....It's one of the best things that came into my workshop....Regards Ken.
chris stephens25/08/2009 11:36:55
1049 forum posts
1 photos
Hi Ken,
Another convert to the cause!
I don't know anybody who, having looked closely and has the wit to understood the concept, is not taken with the idea.
 
I now have a special holder just for threading, it allows the thread to be cut much closer to the chuck, see previous threads for problem.  I will post pictures as and when I think it can't be improved, or see it at MEX at Sandown on the SMEE stand in December.
chris stephens 
Jim K25/08/2009 17:22:17
66 forum posts
28 photos
anyone got any drawings for making these?
 
chris stephens25/08/2009 20:21:15
1049 forum posts
1 photos
Hi Jim,
Do you mean Tangent holders in general or the threading version?
chris stephens 
David Clark 125/08/2009 20:44:16
avatar
3357 forum posts
112 photos
10 articles
Hi There
I have an article about making a tangential turning tool.
I hope to include it in the next Model Engineers' Workshop issue, No 156
regards David
 
George Scollay25/08/2009 20:53:14
19 forum posts
Hi Ken, As I said before you would not be disapointed with the cutter,I found out to, that the sharping was very easy and a pleasure to do, as I myself was not an expert at  getting the sharping perfect most of the times, so in the meantime Happy Turning.
the artfull-codger25/08/2009 23:31:14
avatar
304 forum posts
28 photos
colin, I purchased a diamond tool from bay .com in america a few years ago & the customs stiffed me up for about £20 plus I had to collect it from p.o. sorting office & they charged me £4 for the privilege. I love the tool & tend to sharpen it more than normal tools as it's so quick & easy making a better finish on the work,it's not so good on brass as it's got too much top rake.
Colin Reed26/08/2009 00:00:03
14 forum posts
Hi Graham
 
I also have been stung recently with import duties and fees when I bought a motorcycle tank from the States. I think I may be OK with the diamond tool holder I purchased from Eccentric Engineering as it had a declared value of 20 aud on the import slip. I'm sure there are no duties payable if the value is less than something like £15.
 
Colin
the artfull-codger26/08/2009 19:54:12
avatar
304 forum posts
28 photos
Hi Colin, hope you receive it o-k, mine was for the myford, which I have had for some time, what I didn't mention was I ordered the larger one for the colchester a week before I went to australia & had it delivered to my relations over there & picked it up whilst there & brought it home myself. kind regards Graham.
Jim K27/08/2009 12:31:36
66 forum posts
28 photos
Hi Chris
I meant the tangential holder drawings, Dave might have solved it with his comment
 
chris stephens27/08/2009 12:58:42
1049 forum posts
1 photos
Hi Jim,
I await with interest the promised article on Tangential holders, I wonder what style David proposes to show?  There are also more than one style of tool sharpening jig, some easier than others!
chris stephens 
andy mulholland01/09/2009 23:12:21
avatar
36 forum posts
4 photos
hi all just to add my comments on the diamond tool holder. ordered one from gary in aus on the 24th and it arrived today . the concept seems great and first impressions after some straight forward turning and facing are that it is just that. . easy to sharpen and cuts really well . lots of playing still to do when time allows.  might i also add that  i enjoy this forum and model engineers workshop.
                                                regards andy
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