Thanks Tim. Because of torque don"t depend from speed, I decided to buy high speed motor 1z128. It is possible to set lower RPM on high speed motor, but It is impossible to set higher RPM on low speed motor without chains, gears... Ark
2014/1/14 Tim Krause <artmarb...@comcast.net> > 1. Torque will not change with the speed since the gearing is creating > the power - on a geared motor that is. On a DC motor with variable speed > you will see a drop in torque as the speed is reduced. > > 2. Correct to some degree. To slow and you will end up burning the wood > and dulling the tool. Too fast and you put the burden on the motor in the > tool and can end up with poor results. Your goal is to find the right > speed. Of course that speed is also affected by the types of wood in use. > Feed speed will rise or fall depending on the density of the wood, power of > the tool and sharpness of the cutting tool. > > -Tim > > > ----- Original Message ----- > *From:* Arkady Paka <arkadyp...@gmail.com> > *To:* legacy-ornamental-mills@googlegroups.com > *Sent:* Tuesday, January 14, 2014 12:55 AM > *Subject:* Re: Drive Motor Dayton 4Z128B or 4Z381A > > 1. If I set controller to run gear motor half (1/4, 1/8...) max speed, > how torque will change? Same half f (1/4, 1/8...) or not? > > 2. Tim wrote "The added speed over Legacy's specified motor helps with a > cleaner cut." > When I do something on table saw, router table and other power tools I see > another results. > Fast feed - rough cut, low feed - clean cut. I think same rools work on > Legacy Mill . > Ark. > > > 2014/1/14 curt george <curtgeo...@wowway.com> > >> 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 <arkadyp...@gmail.com> >> *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. >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Legacy Ornamental Mills" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to legacy-ornamental-mills+unsubscr...@googlegroups.com. >> To post to this group, send email to >> legacy-ornamental-mills@googlegroups.com. >> Visit this group at >> http://groups.google.com/group/legacy-ornamental-mills. >> For more options, visit https://groups.google.com/groups/opt_out. >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Legacy Ornamental Mills" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to legacy-ornamental-mills+unsubscr...@googlegroups.com. >> To post to this group, send email to >> legacy-ornamental-mills@googlegroups.com. >> Visit this group at >> http://groups.google.com/group/legacy-ornamental-mills. >> For more options, visit https://groups.google.com/groups/opt_out. >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Legacy Ornamental Mills" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to legacy-ornamental-mills+unsubscr...@googlegroups.com. >> To post to this group, send email to >> legacy-ornamental-mills@googlegroups.com. >> Visit this group at >> http://groups.google.com/group/legacy-ornamental-mills. >> For more options, visit https://groups.google.com/groups/opt_out. >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Legacy Ornamental Mills" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to legacy-ornamental-mills+unsubscr...@googlegroups.com. >> To post to this group, send email to >> legacy-ornamental-mills@googlegroups.com. >> Visit this group at >> http://groups.google.com/group/legacy-ornamental-mills. >> For more options, visit https://groups.google.com/groups/opt_out. >> > > -- > You received this message because you are subscribed to the Google Groups > "Legacy Ornamental Mills" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to legacy-ornamental-mills+unsubscr...@googlegroups.com. > To post to this group, send email to > legacy-ornamental-mills@googlegroups.com. > Visit this group at http://groups.google.com/group/legacy-ornamental-mills > . > For more options, visit https://groups.google.com/groups/opt_out. > > -- > You received this message because you are subscribed to the Google Groups > "Legacy Ornamental Mills" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to legacy-ornamental-mills+unsubscr...@googlegroups.com. > To post to this group, send email to > legacy-ornamental-mills@googlegroups.com. > Visit this group at http://groups.google.com/group/legacy-ornamental-mills > . > For more options, visit https://groups.google.com/groups/opt_out. > -- You received this message because you are subscribed to the Google Groups "Legacy Ornamental Mills" group. 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