indexing on jet 1442

Re: indexing on jet 1442

John K Jordan

Ben d,

The instructions were not in my 1642 manual, but the angles are in a later version on-line manual I found with help from Sir Google. I had marked my lathe and measured and thought and calculated trying to make sense of it before I gave up.

When I compared this one to the PM3520 indexing chart they were different, although similar.

IMNO (in my notsohumble opinion) this method of indexing is brain-damaged.

I finally gave up and bought a good indexing wheel! Much, much, much easier to use. All I use the indexing holes for now are to lock the spindle in one place for carving.

Maybe this link will work, or google "jet 1442 manual"

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=0ahUKEwifstrwo8jKAhVC4yYKHR-kAYkQFggdMAA&url=http%3A%2F%2Fcontent.jettools.com%2Fassets%2Fmanuals%2F708359_man_EN.pdf&usg=AFQjCNF1En4CZrskXcLTmQN0C1W3AC4ZJA&sig2=2dZqQUCehm94essagHWTbA&cad=rja

JKJ

Re: indexing on jet 1442

walta

I copied this page from the Powermatic manual.

Should work the same on your jet

Each hole has 12 stops.

Hole D is half way between the A holes so if you use both you get 24 divisions.

If you use A, B and C you get 36 divisions

Walta

Re: indexing on jet 1442

walta

from the 16 42 manual

Re: indexing on jet 1442

RCH

I was about to post that, since the indexing on the 1642 and Powermatic are different. One problem with indexing on the 1642 can be seen in the table Walta posted -- the indexing positions given for 90* and 45* separations (i.e., 4 vs 8 points) are identical. Some time ago, I went round and round trying to index at 45* intervals. Despite what the table says, I never found any way to do it. The settings listed for 90* (A 1, 4, 7, 10) do yield 90* separations. Given that, using the exact same settings (A 1, 4, 7, 10), not more not less, cannot also yield 45*. Either some settings using either the B or C indexing hole were omitted from the table, or 45* intervals are not possible. I spent quite some time trying a number of possibilities, without success. I also conferred with a friend who uses a 1642 -- he couldn't do 45*. He uses an indexing wheel. It may be that 45* is not possible, since 22.5* (half of 45) intervals are shown in the table as not being available. I would love to find that I am wrong. I have since gotten an indexing wheel, so the built-in system is irrelevant.

Re: indexing on jet 1442

ben d.

Thanks for the reply's and probably the simple thing to do is to get an indexing wheel.

ben d.

Re: Alisam Engineering index wheel *LINK*

Dave Paine

John Lucas reviewed the Alisam Engineering index wheel. Feels like the way to go.


http://www.woodcentral.com/woodworking/forum/turning.pl?pro=search;pmd=sread;srchid=1021dte1Gr69RmWDHI91453863651;spage=1;sanc=489945;sbid=2000;md=read;id=489945#m_489945

IronfireLLC *LINK*

john lucas

I have both the ironfire and the Alisam. I have had the ironfire for 10 or 12 years. I like. I see that flutemaster is now carrying them and they are selling an index pin attachment which is the only thing missing from the original package. It's a good wheel for 90 percent of the work I do. The new work I'm planning requires a little more accuracy and repeatablility so I bought the Alisam. It is excellent but quite a bit higher in price. So pick the one that works best for you. OH yea the Alisam comes with a short nut that fits on the headstock to lock the wheel in place if you want to use indexing on spindles without a chuck. You don't get that with the ironfire wheel. I had to make one myself since my original reason for purchasing the wheel was doing spindles.


http://www.flutemasters.com/index-wheels

Re: indexing on jet 1442

Lan Brady

Ben,

I no longer have the Jet, but I did use the indexing and it worked well.

Using one hole, you have 12 points. the other 2 holes are offset so you can create something with 36 points. You cannot create 24 evenly spaced holes by using 2 of them. Although you do created an nice pattern of point, point, skip, and repeat.

I used a sharpie on the face of the headstock for a register line. The same 12 holes in the spindle will line up with each of the 3 screw holes in the headstock.

Good Luck, Lan

Re: indexing on jet 1442

Jerry Maske

I talked with a Jet Rep at the AAW meeting last June, and he just put his head down when I asked if he could demonstrate how to use their index system. His words, as exact as I can remember, "We NEVER should have let that thing out built like that." Two other reps with him had the same opinion. All of them said I should consider an After Market Index system, and they apologized Profusely.

I suppose there are folks that can figure their system out, but I've yet to meet one. On an, otherwise, nicely built lathe, that system is a joke.

most index systems on lathes are not useful

john lucas

Well some are if you only limit yourself to 24 or fewer. I much prefer the aftermarket wheels. You have so many choices of holes. One thing I don't like about aftermarket wheels is that I would love to have them tied to the chuck with a pin or hole or something so that you could remove the chuck from the lathe and put it back on in perfect alignment with the wheel. I'm working on ideas for that. I need to be able to remove the chuck to do some off the lathe work and then put it back on for more routing or drilling and have it be aligned perfectly with the previous holes.

I didn't get to really play with it but the new Powermatic 2442 has a really cool index system. Next time I'm around one I'm going to play with it some more to see how it works. If I remember correctly it can be easily removed from the lathe when you don't need it.