Threading on Hardinge DV59?
Jamie
Has anyone heard of someone making mods to a DV59 so they can turn an
occasional unusual thread?
I'm pondering designing an easily attachable/removable add-on so I can
do it. I know that for doing lots of threading it would make more
sense to get a different lathe, but I might do this anyway just to
have a bizarre project.
Anyone care to dissuade me or point to an existing solution?
Thanks
J
Ned Simmons
The most obvious is a Geometric die head and chasers.
Does your lathe have a tailstock or a turret?
--
Ned Simmons
Ned Simmons
wrote:
I missed the "bizarre project" first time thru. How about adapting a
threading attachment for a Hardinge chucker to your lathe?
--
Ned Simmons
David Billington
http://www.medw.co.uk/wiki/index.php?page=ELS+Price+List
Jamie
Ned -
The lathe has a turret, but I just bought a tailstock for it also.
I will definitely follow your advice and get a die holder - I think
Hardinge made one for the turret that has some sort of quick release/
retract gizmo - need to look into it further.
The limiting factor on designing a system to make custom / unusual
threads is that the lathe only goes down to 200 rpm. I might have to
make some auxillary drive system that you can engage with the regular
transmission in neutral. Probably a fools errand, but it might be
funto try anyway.
J
On Feb 15, 8:52 am, Ned Simmons <n...@nedsim.com> wrote:
> On Mon, 15 Feb 2010 08:42:01 -0800 (PST), Jamie
>
Ned Simmons
<james...@gmail.com> wrote:
>Thanks for the comments everyone.
>Ned -
>The lathe has a turret, but I just bought a tailstock for it also.
>I will definitely follow your advice and get a die holder - I think
>Hardinge made one for the turret that has some sort of quick release/
>retract gizmo - need to look into it further.
That sounds like a Geometric head.
http://rhmorris.com/dynamicdata/servicesImages/P1010106.JPG
pdf manual:
http://toprake.com/index.php?module=documents&JAS_DocumentManager_op=downloadFile&JAS_File_id=14
--
Ned Simmons
dca...@krl.org
>
> The limiting factor on designing a system to make custom / unusual
> threads is that the lathe only goes down to 200 rpm. I might have to
> make some auxillary drive system that you can engage with the regular
> transmission in neutral. Probably a fools errand, but it might be
> funto try anyway.
> J
One thing you could do is to use a VFD. If the motor is a 3 phase
motor, then you just have to add the variable frequency drive. If the
motor is a single phase motor, then you have to change the motor as
well.
Dan
DoN. Nichols
> Thanks for the comments everyone.
> Ned -
> The lathe has a turret, but I just bought a tailstock for it also.
> I will definitely follow your advice and get a die holder - I think
> Hardinge made one for the turret that has some sort of quick release/
> retract gizmo - need to look into it further.
>
> The limiting factor on designing a system to make custom / unusual
> threads is that the lathe only goes down to 200 rpm. I might have to
> make some auxillary drive system that you can engage with the regular
> transmission in neutral. Probably a fools errand, but it might be
> funto try anyway.
Well ... I do 5.8-27 threads in brass at 850 RPM with no
problems with my Clausing 12x24" and a bed turret with a 1" Geometric
die head and the proper chasers.
The real problem is that for *unusual* threads, you first have
to find the chasers for that thread. You can custom order them but
after a few different unusual threads it might be cheaper to get another
lathe with a leadscrew and quick-change gearbox. :-) Figure perhaps
$150.00 or so for a custom set of chasers -- and they'll ask you want
material you want to thread so they can make the chasers with the right
rake in addition to everything else.
Enjoy,
DoN.
--
Email: <dnic...@d-and-d.com> | Voice (all times): (703) 938-4564
(too) near Washington D.C. | http://www.d-and-d.com/dnichols/DoN.html
--- Black Holes are where God is dividing by zero ---
Gunner Asch
wrote:
>Thanks for the comments everyone.
>Ned -
>The lathe has a turret, but I just bought a tailstock for it also.
>I will definitely follow your advice and get a die holder - I think
>Hardinge made one for the turret that has some sort of quick release/
>retract gizmo - need to look into it further.
>
>The limiting factor on designing a system to make custom / unusual
>threads is that the lathe only goes down to 200 rpm. I might have to
>make some auxillary drive system that you can engage with the regular
>transmission in neutral. Probably a fools errand, but it might be
>funto try anyway.
>J
With a die head...Geometric or H&G (which are cheap)....it really doesnt
make a lot of difference what your low end is. Now if you want
slow...you can run the beasty from a VFD and drop it down to nearly
stationary.
Gunner
>
>On Feb 15, 8:52�am, Ned Simmons <n...@nedsim.com> wrote:
>> On Mon, 15 Feb 2010 08:42:01 -0800 (PST), Jamie
>>
>> <jamespag...@gmail.com> wrote:
>> >I know this is an oddball thing to ask but...
>> >Has anyone heard of someone making mods to a DV59 so they can turn an
>> >occasional unusual thread?
>> >I'm pondering designing an easily attachable/removable add-on so I can
>> >do it. �I know that for doing lots of threading it would make more
>> >sense to get a different lathe, but I might do this anyway just to
>> >have a bizarre project.
>>
>> >Anyone care to dissuade me or point to an existing solution?
>>
>> The most obvious is a Geometric die head and chasers.
>>
>> Does your lathe have a tailstock or a turret?
>>
>> --
>> Ned Simmons
Whenever a Liberal utters the term "Common Sense approach"....grab your
wallet, your ass, and your guns because the sombitch is about to do
something damned nasty to all three of them.
Gunner Asch
wrote:
>On 2010-02-16, Jamie <james...@gmail.com> wrote:
>> Thanks for the comments everyone.
>> Ned -
>> The lathe has a turret, but I just bought a tailstock for it also.
>> I will definitely follow your advice and get a die holder - I think
>> Hardinge made one for the turret that has some sort of quick release/
>> retract gizmo - need to look into it further.
>>
>> The limiting factor on designing a system to make custom / unusual
>> threads is that the lathe only goes down to 200 rpm. I might have to
>> make some auxillary drive system that you can engage with the regular
>> transmission in neutral. Probably a fools errand, but it might be
>> funto try anyway.
>
> Well ... I do 5.8-27 threads in brass at 850 RPM with no
>problems with my Clausing 12x24" and a bed turret with a 1" Geometric
>die head and the proper chasers.
>
> The real problem is that for *unusual* threads, you first have
>to find the chasers for that thread. You can custom order them but
>after a few different unusual threads it might be cheaper to get another
>lathe with a leadscrew and quick-change gearbox. :-) Figure perhaps
>$150.00 or so for a custom set of chasers -- and they'll ask you want
>material you want to thread so they can make the chasers with the right
>rake in addition to everything else.
>
> Enjoy,
> DoN.
Contact Leigh at MarMachine. He has a literal SHITLOAD of H&G die
elements and a number of H&G heads
catruckman at aol.com
Gunner
Gunner Asch
http://www.lathes.co.uk/hardinge/page4.html
DV-59 is partway down.
I have 2 of them.
Also a TFB for sale if anyone is interested. Same page