Re: [Emc-users] Metals question

2016-04-26 Thread Gene Heskett
On Monday 25 April 2016 19:43:53 Gene Heskett wrote: And snipped. I went out to the casting facility yesterday and they gave me a plug from one of their molds, about 35 lbs worth. So I bring it home, & drag out my Dewalt 14" abrasive saw to try and get a clean cut on one end of it for a

Re: [Emc-users] Metals question

2016-04-25 Thread Gene Heskett
On Monday 25 April 2016 15:34:05 andy pugh wrote: > On 25 April 2016 at 18:48, Gene Heskett wrote: > > What sort of an encoder is hidden under it? > > That iteration was a slotted aluminium disc using reflective sensors. > It was later replaced by a gear-driven conventional

Re: [Emc-users] Metals question

2016-04-25 Thread andy pugh
On 25 April 2016 at 18:48, Gene Heskett wrote: > What sort of an encoder is hidden under it? That iteration was a slotted aluminium disc using reflective sensors. It was later replaced by a gear-driven conventional encoder inside the headstock casting. -- atp "A motorcycle

Re: [Emc-users] Metals question

2016-04-25 Thread Gene Heskett
On Monday 25 April 2016 13:19:13 andy pugh wrote: > On 25 April 2016 at 18:03, Gene Heskett wrote: > > But at that diameter, > > best done on the mill as the drive parts at that diameter would be > > falling out in pieces as the 1 HP motor breaks them. BTDT, way too > > many

Re: [Emc-users] Metals question

2016-04-25 Thread andy pugh
On 25 April 2016 at 18:03, Gene Heskett wrote: > But at that diameter, > best done on the mill as the drive parts at that diameter would be > falling out in pieces as the 1 HP motor breaks them. BTDT, way too many > times already. My version of a drive system on my 9x lathe

Re: [Emc-users] Metals question

2016-04-25 Thread Gene Heskett
On Monday 25 April 2016 12:33:11 andy pugh wrote: > On 25 April 2016 at 17:22, Gene Heskett wrote: > >> On the Holbrook Minor I made a special casting: > >> https://picasaweb.google.com/108164504656404380542/Holbrook#6237477 > >>947 128358578 > > > > There, you did the

Re: [Emc-users] Metals question

2016-04-25 Thread andy pugh
On 25 April 2016 at 17:22, Gene Heskett wrote: > >> On the Holbrook Minor I made a special casting: >> https://picasaweb.google.com/108164504656404380542/Holbrook#6237477947 >>128358578 > > There, you did the opposite offset to what I have in mind, but again the > carriage has

Re: [Emc-users] Metals question

2016-04-25 Thread Gene Heskett
On Monday 25 April 2016 06:47:57 Sarah Armstrong wrote: > Cast Iron is the better Gene , > the larger in Dia you can manage the better , it helps spread the load > over the whol carrage rather than just the area of the toolpost > i have a similar block on mine which is only an 1 3/8 high x 3 , i

Re: [Emc-users] Metals question

2016-04-25 Thread Gene Heskett
On Monday 25 April 2016 06:46:36 andy pugh wrote: > On 25 April 2016 at 11:29, Gene Heskett wrote: > > For me, since its function can be done by LCNC, it is nothing but a > > spacer 1.6" tall to hold the QC post. So I have considered replacing > > it with a round block of

Re: [Emc-users] Metals question

2016-04-25 Thread Sarah Armstrong
Cast Iron is the better Gene , the larger in Dia you can manage the better , it helps spread the load over the whol carrage rather than just the area of the toolpost i have a similar block on mine which is only an 1 3/8 high x 3 , i should have made it at least another inch or two in dia the only

Re: [Emc-users] Metals question

2016-04-25 Thread andy pugh
On 25 April 2016 at 11:29, Gene Heskett wrote: > > For me, since its function can be done by LCNC, it is nothing but a > spacer 1.6" tall to hold the QC post. So I have considered replacing it > with a round block of metal nominally 3" in diameter so it would sit > solidly on