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Questions to make a CNC Router


 

Questions to make a CNC Router

Is it OK to drive the rack and spur gears, just with
the motor without an
belt reduction?
Does the motor from the Z axis must be the same size
as X,Y?
Raul

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Robert Campbell
 

Raul,

All of the commerical machines that I have seen use either a belt or a gear
box.

You will need about a 10 to 1 reduction..

Bob Campbell

----- Original Message -----
From: "Raul Lara" <ralaco@...>
To: <CAD_CAM_EDM_DRO@...>
Sent: Monday, October 21, 2002 6:06 PM
Subject: [CAD_CAM_EDM_DRO] Questions to make a CNC Router


Questions to make a CNC Router

Is it OK to drive the rack and spur gears, just with
the motor without an
belt reduction?
Does the motor from the Z axis must be the same size
as X,Y?
Raul

__________________________________________________
Do you Yahoo!?
Y! Web Hosting - Let the expert host your web site


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Ron,
The Entec High speed winding machines used a 90 degree
gear box to reduce the rpm on the rack & gear drive
systems. Typically the drive on the carrage (axis 2)
and the cross (axis 3) were both a rack drive. I can't
remember the speeds any more but I can say that they
were fast.
Bill Higdon

Raul,

All of the commerical machines that I have seen use either a belt or a gear
box.

You will need about a 10 to 1 reduction..

Bob Campbell

----- Original Message -----
From: "Raul Lara" <ralaco@...>
To: <CAD_CAM_EDM_DRO@...>
Sent: Monday, October 21, 2002 6:06 PM
Subject: [CAD_CAM_EDM_DRO] Questions to make a CNC Router


Questions to make a CNC Router

Is it OK to drive the rack and spur gears, just with
the motor without an
belt reduction?
Does the motor from the Z axis must be the same size
as X,Y?
Raul

__________________________________________________
Do you Yahoo!?
Y! Web Hosting - Let the expert host your web site


Addresses:
FAQ:
FILES:
Post Messages: CAD_CAM_EDM_DRO@...

Subscribe: CAD_CAM_EDM_DRO-subscribe@...
Unsubscribe: CAD_CAM_EDM_DRO-unsubscribe@...
List owner: CAD_CAM_EDM_DRO-owner@..., wanliker@...
Moderator: jmelson@... timg@... [Moderator]
URL to this group:

OFF Topic POSTS: General Machining
If you wish to post on unlimited OT subjects goto:
aol://5863:126/rec.crafts.metalworking or go thru Google.com to reach it if
you have trouble.


I consider this to be a
sister site to the CCED group, as many of the same members are there, for OT
subjects, that are not allowed on the CCED list.

NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY POSTING THEM.
DON'T POST IF YOU CAN NOT ACCEPT THIS.....NO EXCEPTIONS........
bill
List Mom
List Owner



Your use of Yahoo! Groups is subject to

Addresses:
FAQ:
FILES:
Post Messages: CAD_CAM_EDM_DRO@...

Subscribe: CAD_CAM_EDM_DRO-subscribe@...
Unsubscribe: CAD_CAM_EDM_DRO-unsubscribe@...
List owner: CAD_CAM_EDM_DRO-owner@..., wanliker@...
Moderator: jmelson@... timg@... [Moderator]
URL to this group:

OFF Topic POSTS: General Machining
If you wish to post on unlimited OT subjects goto:
aol://5863:126/rec.crafts.metalworking or go thru Google.com to reach it if you
have trouble.


I consider this to be a sister
site to the CCED group, as many of the same members are there, for OT subjects,
that are not allowed on the CCED list.

NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY POSTING THEM. DON'T > POST IF YOU CAN NOT ACCEPT THIS.....NO EXCEPTIONS........
bill
List Mom
List Owner



Your use of Yahoo! Groups is subject to


 

Have a friend that has a plasma table that is direct drive to the spur
gear for the rack and it seems to work just fine.

No reason all the motors have to match. Of course that upsets some of
our sense of balance, but the machine does not care.

Tim
[Denver, CO]

-----Original Message-----
Questions to make a CNC Router

Is it OK to drive the rack and spur gears, just with
the motor without an
belt reduction?
Does the motor from the Z axis must be the same size
as X,Y?
Raul