Guilty as charged.
I am a proud owner of a re-build 510/ 520, which I've been using since 1995,
The SS and Legacy are my two work horses in my shop. and I've integrated both
machines, meaning, I can take form one machine and use the same parts on both
machines, It makes life much easer, From the Legacy to the SS and back,
depending on the job. I have a Legacy drive hub adaptor,that I made for my SS
so I can do a change over very quickly. Good Tools. ;-)
Thanks Mac.
Have a good night.
C.A.G.
----- Original Message -----
From: mwfos...@earthlink.net
To: legacy-ornamental-mills@googlegroups.com
Sent: Monday, January 13, 2014 8:46 PM
Subject: Re: Drive Motor Dayton 4Z128B or 4Z381A
Aa haa! Another Shopsmith owner!! (look in background of last photo -
there's a SS Speed Chart!)
Very nice photos of your setup Curt. Thanks for sharing.
Mac (I also own one)
------------------------------------------------------------------------------
------------------------------------------------------------------------------
-----Original Message-----
From: curt george
Sent: Jan 12, 2014 9:10 AM
To: legacy-ornamental-mills@googlegroups.com
Subject: Re: Drive Motor Dayton 4Z128B or 4Z381A
Hello and Good morning Arkady
These are DC motors right? low speed is what you need for the X axis
movement (carriage movement.), If you use that 92 prm motor with a speed
control on it, I would think that your working/cutting speeds should be
something like 0- 40 rpm max.( perhaps a little higher,depending on what type
of cut you are making.) The crank handle or acme screw is 4 turns per inch, It
dose not need to turn fast in order to move, slow and controllable speed is
with you need.
Now if you are looking for the spindle drive motor, (turning the drive
spindle with the motor the higher speed is needed.) higher speeds are what you
want for that.
Here are my two motors,and limmit switch that Ive made.
C.A.G.
----- Original Message -----
From: Arkady Paka
To: legacy-ornamental-mills@googlegroups.com
Sent: Sunday, January 12, 2014 7:47 AM
Subject: Drive Motor Dayton 4Z128B or 4Z381A
Hi all.
Which one do you recomend for Axis X and Axis A Drive Motor Dayton
4Z128B or 4Z381A?
4Z128B 1/8 HP. 11:1 Gear-box ratio. 167 RPM Final output speed. 43
Inch-pounds torque.
4Z381A 1/8 HP. ? Gear-box ratio. 92RPM Final output speed. 77 Inch-pounds
torque.
What is more impotant for each axis? High speed and low torque or low
speed and high torque?
Thanks.
Arkady.
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