I agree my tree mill uses a solid idler on the belt between the servo motor and the leadscrew with a solid type idler between the two. No slop either way. Dan ----- Original Message ----- From: "Thomas Powell" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Monday, October 25, 2004 8:54 AM Subject: Re: [CAD_CAM_EDM_DRO] Re: drive belt idler
> > I agree if the idler is a spring tension type. But if it is a solid mount > what would matter which direction the belt travels? > > Thomas > ----- Original Message ----- > From: "R Rogers" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Monday, October 25, 2004 5:04 AM > Subject: Re: [CAD_CAM_EDM_DRO] Re: drive belt idler > > >> >> One thing that should be considered when using an idler upon a belt is >> that they are intended for a belt that travels in only one direction. A >> fundemental principle in engineering regarding belt and chain power >> transmission is that an idler only be utilized on the slack side of the >> sheave/belt, sprocket/chain configuration. A bi-directional belt/sheave >> configuration would fall into a category making an idler improper. Of >> course it all depends on the load but, belts and chains should not be >> pulled over idlers under load. Their purpose is to remove slack on the >> slack side. Not that this really applies in this case. Just wanted to >> mention it. >> >> Ron >> >> Thomas Powell <[EMAIL PROTECTED]> wrote: >> >> The motor plate is slotted and adjustable but only about 1/4". There are >> two belts lengths close to what I need, 134 and 142 toothed. The 134 is >> .45" too short and the 142 is .33" to long. I am going to get the 142 and >> take up the slack with the idler pulley. I am using HTD 15 mm belts. >> >> Thomas >> >> >> >> ----- Original Message ----- >> From: "turbulatordude" >> To: >> Sent: Sunday, October 24, 2004 8:34 PM >> Subject: [CAD_CAM_EDM_DRO] Re: drive belt idler >> >> >> >>> >>> Interesting. I mounted as stepper in such a way as to be on a plate >>> that had curved slots in it and used a 1/4 inch bolt as the hinge. >>> >>> If you are doing this on a rotary you are fine. But if you are doing >>> it by hand, those lines will look awfully out of alignment. >>> >>> From some printers I have idlers on bearings on a single plate, not a >>> square. Two holes, one slotted the other as the hinge. >>> >>> I didn't see a post indicating the belt size you were looking for ? >>> >>> Dave >>> >>> >>> >>> >>> >>> >>> >>> Addresses: >>> FAQ: http://www.ktmarketing.com/faq.html >>> FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/ >>> Post Messages: [EMAIL PROTECTED] >>> >>> Subscribe: [EMAIL PROTECTED] >>> Unsubscribe: [EMAIL PROTECTED] >>> List owner: [EMAIL PROTECTED], [EMAIL PROTECTED], >>> [EMAIL PROTECTED] >>> Moderator: [EMAIL PROTECTED] [EMAIL PROTECTED] [EMAIL PROTECTED] >>> [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 >>> >>> >>> Yahoo! Groups Links >>> >>> >>> >>> >>> >>> >>> >>> >> >> >> >> >> Addresses: >> FAQ: http://www.ktmarketing.com/faq.html >> FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/ >> Post Messages: [EMAIL PROTECTED] >> >> Subscribe: [EMAIL PROTECTED] >> Unsubscribe: [EMAIL PROTECTED] >> List owner: [EMAIL PROTECTED], [EMAIL PROTECTED], >> [EMAIL PROTECTED] >> Moderator: [EMAIL PROTECTED] [EMAIL PROTECTED] [EMAIL PROTECTED] >> [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 >> >> >> Yahoo! Groups Links >> >> >> >> >> >> >> >> >> >> --------------------------------- >> Do you Yahoo!? >> vote.yahoo.com - Register online to vote today! >> >> [Non-text portions of this message have been removed] >> >> >> >> Addresses: >> FAQ: http://www.ktmarketing.com/faq.html >> FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/ >> Post Messages: [EMAIL PROTECTED] >> >> Subscribe: [EMAIL PROTECTED] >> Unsubscribe: [EMAIL PROTECTED] >> List owner: [EMAIL PROTECTED], [EMAIL PROTECTED], >> [EMAIL PROTECTED] >> Moderator: [EMAIL PROTECTED] [EMAIL PROTECTED] [EMAIL PROTECTED] >> [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 >> >> >> Yahoo! Groups Links >> >> >> >> >> >> >> > > > > > Addresses: > FAQ: http://www.ktmarketing.com/faq.html > FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/ > Post Messages: [EMAIL PROTECTED] > > Subscribe: [EMAIL PROTECTED] > Unsubscribe: [EMAIL PROTECTED] > List owner: [EMAIL PROTECTED], [EMAIL PROTECTED], > [EMAIL PROTECTED] > Moderator: [EMAIL PROTECTED] [EMAIL PROTECTED] [EMAIL PROTECTED] > [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 > > > Yahoo! Groups Links > > > > > > > > Addresses: FAQ: http://www.ktmarketing.com/faq.html FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/ Post Messages: [EMAIL PROTECTED] Subscribe: [EMAIL PROTECTED] Unsubscribe: [EMAIL PROTECTED] List owner: [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED] Moderator: [EMAIL PROTECTED] [EMAIL PROTECTED] [EMAIL PROTECTED] [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 Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
