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Search: Posts Made By: JLFIN
Forum: Introduce yourself and start planning Mon 26 April 2010, 23:24
Replies: 38
Views: 6,516
Posted By JLFIN
not once the bolt is seated is it gas or core...

not once the bolt is seated
is it gas or core wire
Forum: Introduce yourself and start planning Mon 26 April 2010, 22:36
Replies: 38
Views: 6,516
Posted By JLFIN
charles, those nuts are fine but only if they are...

charles, those nuts are fine but only if they are cheap you only need to tac weld nuts on,
another issue is your mig welder gas or core wire
if you don't have at least 140 amp mig...
Forum: 10. Base Table Sat 03 April 2010, 17:36
Replies: 84
Views: 24,119
Posted By JLFIN
i think if you raise slightly past holes on this...

i think if you raise slightly past holes on this design you can pick holes off on the way back down ( one at a time )
and Dave I agree with double size as per harbor freight specs I just didn't know...
Forum: 10. Base Table Sat 03 April 2010, 12:57
Replies: 84
Views: 24,119
Posted By JLFIN
Dave, I like very much where your heading,...

Dave,
I like very much where your heading, great visual on drawings.
I would love to see a dual bolting in all positions on the vertical legs even if they are only 4 or 5 inches apart (i don't...
Forum: 10. Base Table Fri 02 April 2010, 11:35
Replies: 84
Views: 24,119
Posted By JLFIN
like the scissor lift concept, as i'm...

like the scissor lift concept,
as i'm pondering i thought of your bolting system and it came to me that in order for the table to bolt up tight it has to be a perfect fit all the way around or its...
Forum: 10. Base Table Thu 01 April 2010, 16:12
Replies: 84
Views: 24,119
Posted By JLFIN
any guide might be a problem if you are trying to...

any guide might be a problem if you are trying to run those acme screws independently,
is it possible to lift in the center and just bolt in the correct position
Forum: 10. Base Table Thu 01 April 2010, 11:03
Replies: 84
Views: 24,119
Posted By JLFIN
linear guide system could be a little pricey......

linear guide system could be a little pricey... cam followers up and down a channel would be a nice guide or a simple set of rails made out of U.H.M.W. plastic would also work.
Forum: 10. Base Table Tue 30 March 2010, 22:04
Replies: 84
Views: 24,119
Posted By JLFIN
I think I would consider a sub base that you...

I think I would consider a sub base that you could remove for the extra Z space that would give you the best of both worlds
or just extend out the front travel and put index on adjustable z
Forum: General - MM Operating Tue 30 March 2010, 21:46
Replies: 10
Views: 3,620
Posted By JLFIN
Jeff, I recall in a training class in the mid...

Jeff,
I recall in a training class in the mid 80's an instructor talking about (this was on a lathe) how when a tool comes up on a corner it is trying to get from pt A to B (around the corner) at...
Forum: MechMates already cutting Tue 16 March 2010, 20:42
Replies: 73
Views: 14,812
Posted By JLFIN
looks good Jim, if you indicated them to .0002...

looks good Jim,
if you indicated them to .0002 you didn't need me,
but if you do alot of 4 jaw work take some of that dykem i saw in the picture and paint the chuck key holes on jaws 1 and 2.......
Forum: MechMates already cutting Thu 11 March 2010, 21:09
Replies: 73
Views: 14,812
Posted By JLFIN
Jim, I'll be honest, I don't know the mach...

Jim, I'll be honest, I don't know the mach control at all, but if that were the issue a guy could put a motor on both ends. the prices i've seen on some of these links tells me that ball screws...
Forum: MechMates already cutting Thu 11 March 2010, 20:49
Replies: 73
Views: 14,812
Posted By JLFIN
russell, seams to me mine(which i dont think i...

russell, seams to me mine(which i dont think i ran) had a 3 pc split collet thing that went together inside of the locking nut, but it's been alot of yrs. good luck with that build i am sure you will...
Forum: MechMates already cutting Thu 11 March 2010, 10:43
Replies: 73
Views: 14,812
Posted By JLFIN
Russel, is that old mill called a "M" head, I...

Russel, is that old mill called a "M" head, I think I owned one once upon a time but it seams to me the collets were hard to come by?(not R-8)
Forum: MechMates already cutting Thu 11 March 2010, 10:20
Replies: 73
Views: 14,812
Posted By JLFIN
Jim- I have not started mine yet, I'm still in...

Jim- I have not started mine yet, I'm still in the procrastination stage.(design stage)
I've logged about 200 hrs of thread reading and decided I'm not to smart!!!! There are some folks on here that...
Forum: MechMates already cutting Wed 10 March 2010, 20:23
Replies: 73
Views: 14,812
Posted By JLFIN
Jim, welcome and good luck bit of advice for...

Jim,
welcome and good luck
bit of advice for ya, 4 jaw will work to dial that blank in, take some old copper wire and strip it back about the length of ea. jaw and slide that baby down the teeth...
Forum: 10. Base Table Tue 23 February 2010, 20:46
Replies: 11
Views: 4,102
Posted By JLFIN
I would think you could move the bottom rail (on...

I would think you could move the bottom rail (on ends) up probably a third and gusset as shown, then gusset under rail leaving access for a low sled to slide under. After all, still stronger at that...
Forum: Rails & Rollers Sat 20 February 2010, 19:52
Replies: 40
Views: 12,463
Posted By JLFIN
It is my understanding that(Ertalyte, PET ) is in...

It is my understanding that(Ertalyte, PET ) is in the acetel (Delrin family ) only better because of it's ability to resist moisture absorbtion ( although very low anyway) I believe delrin would...
Forum: Profiled (laser cut) & bent steel plate Fri 19 February 2010, 14:37
Replies: 191
Views: 54,453
Posted By JLFIN
mike , congrats on your recent venture, good...

mike ,
congrats on your recent venture, good for you
I am fairly new to the sight but was glad to see you take over the helm.
anyway, I am also interested in price on your kit
thanks:)
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