... Hi, ... For an English wheel the radii need only be close to what you want as it is all point contact with the flat forming wheel. The defined radius just...
2800
Bill Williams
bwmsbldr
Jul 4, 2008 11:09 pm
A Yoder hammer has its perils too! Bill in Boulder...
2801
Jim E.
tbn501s
Jul 20, 2008 10:22 pm
(pardon the late reply, was on vacation) try the "ballcut" program at http://www.myvirtualnetwork.com/mklotz/. Graciously, Jim E. Lakewood, CA All Hail Rube...
2802
ml7engineering
Sep 14, 2008 12:24 pm
Hi All If anyone is going to the Model Engineer Exhibition at Ascot next weekend, 19th, 20th and 21st of September, they are welcome to come and say hello. I...
2803
artmancini
artman12us
Sep 15, 2008 10:03 pm
I posted a message last night. Not sure if it didn't show up because I didn't send this email or if it was the content? thanks Art...
2804
websterzdesign
Oct 8, 2008 1:09 am
... I just picked up a granite sink cut-out, approx 18x20 inch oval 1 1/2" or so thick...free for the asking. The lady at the monument/headstone place told me...
2805
jimclementssr
Oct 16, 2008 12:27 pm
Has anyone been able to cut a 30tpi thread, I know it is not on the chart but I thought maybe a different combo of gears may achieve the result. I am trying...
2806
Kevin Jones
krjone01
Oct 16, 2008 1:06 pm
LMS has a calculator for just about any TPI you can imagine: http://www.littlemachineshop.com/Reference/change_gears.php For 30tpi it gives three possibilities...
2807
Frank Hasieber
fhasieber
Oct 16, 2008 3:12 pm
What size/diameter, it's quite possible that this is an ME thread, taps and dies are available. Frank. ... From: mlathemods@yahoogroups.com...
2808
Brian Drummond
briandrummon...
Oct 16, 2008 3:28 pm
... Unlikely at 30tpi; ME threads are typically 32 or 40tpi. - Brian...
2809
jimclementssr@...
jimclementssr
Oct 16, 2008 4:14 pm
the diameter is 1.825 and 30 tpi...I acutally called to manufacturer to verify. ... From: "Frank Hasieber" <fhasieber@...> What size/diameter, it's...
2810
jimclementssr@...
jimclementssr
Oct 16, 2008 4:15 pm
I actually called yankee hill machine, the maker of the unit that I am trying to make a shroud for, and they are the ones that told me it is 1.825 diameter and...
2811
jimclementssr@...
jimclementssr
Oct 16, 2008 4:17 pm
after sending the original question I realized I never said that I have a 9x20. I dont believe that chart will work for my appication, any other ideas? ... ...
2812
Brian Drummond
briandrummon...
Oct 16, 2008 5:22 pm
... To widen the chance of getting a response... what is the leadscrew pitch on your machine? It is possible the 9*20 is sold in more than one configuration,...
2813
John Stanton
jcastanton
Oct 16, 2008 6:16 pm
A very good solution would be John Dammeyer's ELS Electronic Lead Screw kit. It comes out of Canada and sells for about $200, you supply the motor, power...
2814
jimclementssr@...
jimclementssr
Oct 16, 2008 7:09 pm
I do have the 9x20 with 16 tpi lead screw..I just didnt understand the chart in relation to my machine. ... From: Brian Drummond <brian@...> ......
2815
roylowenthal
Oct 18, 2008 12:05 am
The threading dial will work just fine for 30 TPI! The only time it won't work is for the irrational decimal pitches of metric approximations on an English...
2816
jimclementssr@...
jimclementssr
Oct 18, 2008 2:05 am
I guess where I am lost is how do the abcd apply to my 9x if I dont have the same gear arangement ? And I also have a 1-9 on my leadscrew, is that the "d" ? ...
2817
anthrhodes@...
anthrhodes
Oct 18, 2008 4:20 am
Jim, You've now stated that you have a 9x20 with a 16 TPI leadscrew but that only helps if the person providing assistance is familiar with your lathe. It...
2818
wishbone_aaa
Oct 18, 2008 1:23 pm
Go to Marv Klotz's site and download the file change.zip http://www.myvirtualnetwork.com/mklotz/ Marv has a collection useful math utilities for the home shop....
2819
wishbone_aaa
Oct 18, 2008 1:27 pm
I've added the link to the group's links section. ... the ... the...
2820
jimclementssr@...
jimclementssr
Oct 18, 2008 1:39 pm
I really appreciate the responses. I have a Harbor Freight 9x20. How I was confused was how the ABCD apply to my lathe... Jim ... From: anthrhodes@... ...
2821
Robert E. Hawley
shovelop1
Oct 18, 2008 9:45 pm
If you are member of the 9X20 Yahoo lathe group go to the files section and down load John Pitkins pdf of the gearing for these lathes. The thread you want is...
2822
roylowenthal
Oct 19, 2008 3:46 am
On the 7x lathes, "A" is the gear driven by the spindle gear, "B" is the gear driven by "A", "C" is on the same intermediate shaft as "B" & is keyed to "B",...
2823
jimclementssr@...
jimclementssr
Oct 19, 2008 12:22 pm
What I ment to say was that I have to select a 1-9 position to engauge my leadscrew. Yes, my threading dial has the 1-7. ... From: "roylowenthal"...
2824
Randy Smith
randyrlshome
Oct 19, 2008 2:08 pm
Jim; Sending this direct to you. The YAHOO group "9x20Lathe" has tons of information about the 9x20 size lathes sold by numerous distributors including HF,...
2825
JimClementssr@...
jimclementssr
Oct 19, 2008 7:24 pm
Thanks so much Randy, I think this should do the trick. Jim ... From: Randy Smith To: mlathemods@yahoogroups.com Sent: Sunday, October 19, 2008 9:35 AM ...
2826
frederic_rando
Oct 29, 2008 5:43 pm
Does anyone have or know where I can obtain the FC250BJ/110v motor control board schematic? SIEG will not release it because of "safety" concerns. I have a PCB...
2827
Robert E. Hawley
shovelop1
Oct 29, 2008 11:20 pm
You might try "Uncle Rabid" just google the name and his site will come up. From: frederic_rando Sent: Wednesday, October 29, 2008 1:50 AM To:...
2828
markotime
Oct 30, 2008 11:32 am
You might want to just replace it with a KB Electronics KBIC or similar board from Minarik, Boston Gear etc. In the end, it will be better made, more reliable...
