thanks for the reply tim...yes, i did see mikes video on crank handle indexing...interesting and certainly can spped up a job, especially if you are doing multiples...but i'll assume that it works only on certain pitches that are coinciding with the lead screw dimensions and threads...can a 4 1/2" and 7 1/2" pitch work with that method?...now ,i will admit, some of this is getting pretty detailed...how different is a 7 1/2" pitch compared to an 8" pitch?...but another way to index would eliminate all concerns, counting, etc...and cover all the pitches...joe
On Monday, May 12, 2014 4:42:53 PM UTC-4, Tim wrote: > > > If the work is a 1, 2, or 4 start, the lazy mans version is to notice the > starting point of the lead screw and work. Open the split nut and return > the carriage to this position. Now open the cam clamp and rotate the work > 180 degrees or 90 degrees. This all assumes you are using the drive hubs. > > I wrote another method that involves noticing the start of the leadscrew > and it does rely on the 1/4" increments to a small degree. It turned into a > crank handle method that would allow any degree...maybe I did not talk > about that one. It's close to the time Mike posted his video. I think I > posted under "A new way to spiral". It's been at least two years! > > Are you familiar with crank handle indexing? > > -Tim > > > ----- Original Message ----- > *From:* 'joe biunno' via Legacy Ornamental Mills <javascript:> > *To:* legacy-orna...@googlegroups.com <javascript:> > *Sent:* Monday, May 12, 2014 11:35 AM > *Subject:* Re: time for a question or two...... > > thanks for the reply bill...the issue i might see is what if the bit > diameter does not work with the measurements of the lead screw?...i.e. the > four revolutions per inch...when we do twist work, we calculate the number > of cuts and then choose a bit that will get us the best looking reed or > flute as per the number of cuts...the legacy system seems to do the > opposite...pick the bit then calculate the number of cuts...i'll post a > photo oh the killinger drive set up which allows the rotation of the > workpiece while still engaging all the drive gears...joe > > On Monday, May 12, 2014 12:17:28 PM UTC-4, aussiman wrote: >> >> Indexing to the next cut is usually done by undoing the split nut and >> sliding the saddle along and reengaging the split nut .the distance moved >> is usually the same as the dia of the router bit >> >> And the pitch on multiple spirals is in multiples of the router bit >> >> Say a 2 inch barley bit a single start is a 2 inch pitch a 2start is a 4 >> inch pitch a 3 start is a 6 inch pitch and so on .. >> >> I like the 4x gears for very fast pitches i have one or on very large dia >> were a very fast pitch looks right. >> >> But most people are happy with just the 2x gears i think what do you all >> think >> >> >> >> Bill >> >> >> >> *From:* legacy-orna...@googlegroups.com [mailto: >> legacy-ornamental-mills@googlegroups.com] >> *Sent:* Tuesday, 13 May 2014 12:22 AM >> *To:* legacy-orna...@googlegroups.com >> *Subject:* time for a question or two...... >> >> >> >> beginning to get acquainted with my machine and right away have a problem >> understanding something...when doing spiral work, how do you index to the >> next cut when doing multiple cuts?...it seems to me you have to drop the >> gears down, index to the next cut and then bring the gears back up...is >> this correct?...on my other machine(not a legacy...a killinger) you simply >> pulled a pin out from the index plate, rotated the workpiece, pin goes back >> into the index plate and you start your next cut...it was quick and >> fast...am i missing something here?...and if anyone has an opinion on that >> 4X gear set up i would like to hear if they feel it is a useful >> accessory...i do not have it, which seems odd, since the two machines i >> bought came fully accessorized, or so i thought...thanks in advance for any >> assistance...joe biunno >> >> -- >> 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-orna...@googlegroups.com. >> Visit this group at >> http://groups.google.com/group/legacy-ornamental-mills. >> For more options, visit https://groups.google.com/d/optout. >> >> >> ------------------------------ >> <http://www.avast.com/> >> >> This email is free from viruses and malware because avast! >> Antivirus<http://www.avast.com/>protection is active. >> >> -- > 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<javascript:> > . > To post to this group, send email to > legacy-orna...@googlegroups.com<javascript:> > . > Visit this group at http://groups.google.com/group/legacy-ornamental-mills > . > For more options, visit https://groups.google.com/d/optout. > > -- You received this message because you are subscribed to the Google Groups "Legacy Ornamental Mills" group. 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