hey how do I find the bend radius of a jd2 die that is not marked and has not yet bent anything??

I would measure across the "lips" (its a 180) but what do I add??

or is the "LIP" the center line??


also anyone know when they switched to steel dies instead of aluminum?

last how long does a steel die last on 1012 - 1018 tube??
how many times can you sand the presure die before it fawks it up?

From the center of the center hole to the outside of the die.. thats your bend radius

Yes the lip is the centerline




DON’T EVER SAND THE DIE….. you can throw out any warranty if you do.


R U bending dry?? Wipe any dust or debris off and Spray that beaotch down with some WD40 before EVERY bend

No offense but those are some really dumb ass questions
:D :D :D

EDIT =I would measure across the "lips" (its a 180) but what do I add?? ....the diameter of the pipe your bending

Originally posted by cornfedred
From the center of the center hole to the outside of the die.. thats your bend radius

Yes the lip is the centerline




DON’T EVER SAND THE DIE….. you can throw out any warranty if you do.


R U bending dry?? Wipe any dust or debris off and Spray that beaotch down with some WD40 before EVERY bend

No offense but those are some really dumb ass questions
:D :D :D

EDIT =I would measure across the "lips" (its a 180) but what do I add?? ....the diameter of the pipe your bending



Nope if you measure accross the lips and ad the diameter you would get (with 2 inch TUBE not pipe dork) 6 inches on a 5 inch die....but if you say the lip is center line then good..

and I was thinking the way to go would be gear oil instead of WD but whatever works...BTW jd2 won't warranty this peice unless it breaks so thats why I wanna sand it..

is this still a no no??

Why do you need to sand it... just sounds strange. Is the pipe
( im a dork) to big or somthin? Or is there a bur on the surface
:confused:


I use WD40 cause my MOM gave me a case for x-mas.. She is a weird lady. I agree, “Whatever works”

Originally posted by Moab Austin


Nope if you measure accross the lips and ad the diameter you would get (with 2 inch TUBE not pipe dork) 6 inches on a 5 inch die....



7 not 6 as in 5+2 = 7:D This only applies if it’s a full 180 bend

Originally posted by cornfedred
Why do you need to sand it... just sounds strange. Is the pipe
( im a dork) to big or somthin? Or is there a bur on the surface
:confused:


I use WD40 cause my MOM gave me a case for x-mas.. She is a weird lady. I agree, “Whatever works”



I originally thought that 5+2 = 7 but heres the thing...

IF you measure to the lip and the lip is center line then half of the tube is in the middle of the lip..

so then you get 6 but even then if the lip is center then why add anything tube related to get the "bend radius" ???because the lip is center...so without YOUR lip on my math:D

go lube up somthing for your mama with all that WD....:D

also yeah the sanding sounds wierd to me to .. I was told to try that by somone else...

I clean the TUBE real good with brake cleaner and the dies but they still scrath the tube....what gives??
any ideas?

anyone else know about the aluminum die switch?

Originally posted by Moab Austin




I would measure across the "lips" (its a 180) but what do I add??

Sorry I thought you wanted to know the total outside dimensions:rasta:

Any way this is from my manual.. page 7

Note: The angled grove supports the tube during the bending process, thereby preventing it from excessively flattening the outside. Never install the pressure die upside-down with the angled groove not at the point of bend (closest to the forming die). It can damage the pressure die and severely gouge your tube or pipe....


Does that ring any bells
And aluminum dies stopped maybe 2 years ago


BTW… it doesn’t matter what material or construction tube I bend it all bends with no problems… so I find it strange your having the problems that you are, that’s all:D

Originally posted by cornfedred


Sorry I thought you wanted to know the total outside dimensions:rasta:

Any way this is from my manual.. page 7

Note: The angled grove supports the tube during the bending process, thereby preventing it from excessively flattening the outside. Never install the pressure die upside-down with the angled groove not at the point of bend (closest to the forming die). It can damage the pressure die and severely gouge your tube or pipe....


Does that ring any bells
And aluminum dies stopped maybe 2 years ago


BTW… it doesn’t matter what material or construction tube I bend it all bends with no problems… so I find it strange your having the problems that you are, that’s all:D

cool thanks..and yeah I could get the outside #'s from there was more curious if hte lips were center...

anyways I dunno what it means about the "angled grove" but I will looks and see if it is obvious...the pressure die has two u shaped pushers on it both like U_U is how it looks...

as for having problems ..it is a used bender and used dies...and honestly I don't know about the scrathes I would leave em..

but there was another model 4 user that said he sands em....

but I'll just try WD40 and if I have problems ask from there

those 2- U U shaped-blocks are the contact points for the pressure die. look closely at them both. they are different.

one has an "angled lead-in" and the other has no angle.

also, make sure the angled block also has the radiused part
going forward in the pressure die. (so it slides smoothly
across the tube, instead of gouging into it.

And, why do you want to sand the die? is it rusty? does it have
any burrs on it? did it get dropped on the outer edge or something? I personally wouldn't sand the tube-contact surface
of the dies. they're make to exact dims to prohibit the tube from
deforming while bending. just my .02....... maybe try to scotch-
brite cleanzing pads on it first........


You need to explain why about why and what part of the die
you want to "sand"..................



--Sherpa

Sherpa -

I was looking at my new die set (tube arrives tomorrow), and The blocks are marked: The lead in block (IIRC) has a 1.5 degree cant to it, and the follow block is zero. Here is my Q: the edges of these blocks have a sharp outer edge, and a radiused edge on the inside so something like

1.5 Zero

S-R R-S


Is this right?

I guess I'll know on Thursday when the bending starts!

TIA,

Jim

Originally posted by SHERPA RIG
those 2- U U shaped-blocks are the contact points for the pressure die. look closely at them both. they are different.

one has an "angled lead-in" and the other has no angle.

also, make sure the angled block also has the radiused part
going forward in the pressure die. (so it slides smoothly
across the tube, instead of gouging into it.

And, why do you want to sand the die? is it rusty? does it have
any burrs on it? did it get dropped on the outer edge or something? I personally wouldn't sand the tube-contact surface
of the dies. they're make to exact dims to prohibit the tube from
deforming while bending. just my .02....... maybe try to scotch-
brite cleanzing pads on it first........


You need to explain why about why and what part of the die
you want to "sand"..................



--Sherpa