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Re: R: Re: Drilling HSS 10% cobalt blank
steam4ian <fosterscons@...> wrote: --- In 7x12minilathe@..., "born4something" <ajs@...> wrote: > G'day Gianni & John. Look up the EMBHomebuilders group which is a relative of
By Charkie Walklin Sr · #17866 ·
Re: 3-jaw chick out-of-true?
G'day John et al. We now know the blood(y) line of this Three Jaw Chick; she of sired by Imprecise, out of True. My wife is a loverly lady (chick) but occasionally she has one jaw too many, a three
By steam4ian · #17865 ·
R: Re: Drilling HSS 10% cobalt blank
wrote: > G'day Gianni & John. Look up the EMBHomebuilders group which is a relative of these machining groups. Its a moderated group but they can't be too fussy, they let me on it! They may be able to
By steam4ian · #17864 ·
R: Re: Drilling HSS 10% cobalt blank - EDM
From the bookmarks (Warning, 1.4 mb PDF): http://www.tinaja.com/glib/hackar3.pdf Issue 60 (p. 75-) and 63 (p. 95-) have some good information on do-it-yourself EDM. The circuit pictured in 63 is
By moir_p · #17863 ·
R: Re: Drilling HSS 10% cobalt blank
Hi again Gianni, One thing I forgot. EDM is usually done in a tank of some dielectric fluid. The fluid is also pumped around to remove the small metal particles from the vicinity of the cutting edge.
By born4something · #17861 ·
R: Re: Drilling HSS 10% cobalt blank
Hi Gianni, EDM=Electrical Discharge Machining. I'm no expert on it other than what I've read. Essentially, the metal is removed by a repetitive electrical discharge. Do a google search. In brief,
By born4something · #17862 ·
R: Re: Drilling HSS 10% cobalt blank
Hi John It is a plate about ?¡± thick (6 mm) the hole must be between ? and 5/16 in diameter. What is an EDM equipment? Gianni _____ Da: 7x12minilathe@...
By gianni.carbone@... · #17859 ·
Re: Way Lube, last post
Thank you Clifford Clavin. :) Marty, I just barely got through your post without hitting 'next'. I think I'll just wait for the last post on this subject that just says '________ is the best lube to
By rancerupp · #17860 ·
Re: Drilling HSS 10% cobalt blank
Hi Gianni, That stuff's hard. What diameter and how deep? Any access to EDM equipment? John http://www.email.it/f 5000 prodotti in pronta consegna, consegna in 24h, assistenza telefonica da tecnici
By born4something · #17858 ·
Drilling HSS 10% cobalt blank
Hi folks Does anybody know how to drill holes in a HSS 10% cobalt blanks? Gianni -- Email.it, the professional e-mail, gratis per te: http://www.email.it/f Sponsor: Refill srl dal 1993, il compatibile
By gianni.carbone@... · #17857 ·
Re: Way Lube, last post
To: 7x12minilathe@... Sent: Sunday, March 04, 2007 2:59 PM Subject: Re: [7x12minilathe] Way Lube, last post I'm still using mobil 1 on the ways, however I have found an additive that makes
By Marty N <martyn@...> · #17856 ·
Re: Practical Advice on Lathe Bits
Gentlemen, Thanks for the advice. I made two new holders today as prototypes and will make another 4 giving me 8 plus the boring holder and cutoff tool. Given your suggestions, no more often than I
By i_r_engineer · #17855 ·
Re: 3-jaw chick out-of-true?
Hi Roy, That's a rather valid (and perceptive) point. I'd never realised the compromises necessary in the spiral scroll design concept. The spiral radius changes between the inner and outer extremes.
By born4something · #17854 ·
Re: About cutting threads
future If you're the screwy kinda type! <Big grin> John
By born4something · #17853 ·
Re: Harbor freight 8x12 lathe
Hi, I see lots of interest in cheap digital calipers - presumeably for DRO mods. Not sure if this helps but there are some at
By born4something · #17852 ·
Re: 3-jaw chick out-of-true?
Yup! One of the 14" ones, wielded as a club. Roy wrote:
By Roy · #17851 ·
Re: 3-jaw chick out-of-true?
You don't want to lap the jaws to the scroll. The scroll is actually a helical shape, so you'd find the contact patch with the jaws moves as the jaws travel in & out. All you need to do is remove the
By Roy · #17850 ·
Homier "Speedway" 7"x12" Lathe.
Having been satisfied with my lathe for about three years I have just bought a second one from Homier. They have been out of stock for a very long time but now have a limited stock. The price I paid
By embfeniscowles12 · #17849 ·
Re: Practical Advice on Lathe Bits
Jerry; At this time I have 10 tool holders 4 of which I made myself. Yes you can make them on the mill you will need a 60 deg dove tail cutter. You may not want to buy a large dove tail, one 1/2" dia.
By Richard <rftuper48@...> · #17848 ·
Re: Way Lube, last post
I'm still using mobil 1 on the ways, however I have found an additive that makes them so slick, the tailstock will not lock in place <G> After a bit more testing, it may be offered for sale. Rabid
By Jim RabidWolf <unclerabid@...> · #17847 ·