RE: [CAD_CAM_EDM_DRO] HTD belts and pulleys: transmission

Hey Tim

You are quite correct.
I plead guilty to trying to design the bestest, most accurate,
cheapest, biggest machines around.
A good case in point is my using a machine mapped out to
+/- 0.0005" (25 degrees c) to cut wood.
But it did come in handy to make precision parts for
encoder prototypes....

As for GT vs XL and L my opinion comes from some meetings and
tests with Gates application engineers. I was pretty convinced from
those that GT is a bit better for not much more in price.

Suprisingly I found that the newer GTII was not as good!

All will work and are used in cnc apps of course.


Les

Leslie M.Watts
L M Watts Furniture
Tiger Georgia USA
http://home.alltel.net/leswatts/wf.html
Engineering page:
http://home.alltel.net/leswatts/shop.html
CNC surplus for sale:
http://home.alltel.net/leswatts/forsale.html
CNC carved signs:
http://home.alltel.net/leswatts/signwp.html




-----Original Message-----
From: Tim Goldstein [mailto:timg@...]
Sent: Friday, September 05, 2003 4:32 PM
To: CAD_CAM_EDM_DRO@yahoogroups.com
Subject: RE: [CAD_CAM_EDM_DRO] HTD belts and pulleys: transmission

> -----Original Message-----
> Hi Salvador
>
> If you decide to use timing belts I would suggest
> Gates GT type. They have about the best registration accuracy.

Remember, while it is true in the bigger, better, faster, more power, my
dad can whoop your dad ego building manner that us men approach things,
that the HD and GT series belts do have better specs in regards to
registration accuracy, there have been a lot of machines built over the
years and still running that use the XL and L series belts. While the
tendency is to want to over build and over spec everything on a machine
the results will not be based on the best component you put in the
system, but the worst. With all the possible places to have losses of
accuracy the difference between the older trapezoidal shape belts and
the newer rounded tooth belts are probably not the major factor in most
of our machines.

Tim
[Denver, CO]
Beat the Sherline Oct 1 price increase. Order Now!

Sherline & Taig products at Deep Discount
Mach1 & DeskCNC with credit card ordering
www.KTMarketing.com/Sherline
e-mail me at Timg @ KTMarketing.com for items not yet listed



Addresses:
FAQ: http://www.ktmarketing.com/faq.html
FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
Post Messages: CAD_CAM_EDM_DRO@yahoogroups.com

Subscribe: CAD_CAM_EDM_DRO-subscribe@yahoogroups.com
Unsubscribe: CAD_CAM_EDM_DRO-unsubscribe@yahoogroups.com
List owner: CAD_CAM_EDM_DRO-owner@yahoogroups.com, wanliker@...,
timg@...
Moderator: pentam@... indigo_red@... [Moderators]
URL to this group: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO

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.
http://www.metalworking.com/news_servers.html

http://groups.yahoo.com/group/jobshophomeshop 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 http://docs.yahoo.com/info/terms/