[rwskinner]

Hello folks, first post here but I've done lots of reading. My new Grizzly 10x22 came in a few days ago and I spent the day getting it set up, cleaned and leveled the bed with a machinist level. I spent the rest of the day breaking it in, and adjusting the gibs.

My problem is, it is cutting about 0.002" taper per linear inch. This is using a 3 jaw chuck only, with a 1" OD Steel Rod. I made several cuts and it's 100% repeatable. I can rule out tail stock alignment at this point since I hadn't used it yet. The bed/ways are dead nuts and that took awhile. Pretty hard to do with only two bolts, and they are very touchy on the torque. There is no slop in the spindle, and I loosend the drive belt to make sure I wasn't too tight.

I'm pretty much thinking the head/spindle is not aligned with the bed. It looks to be adjustable but I'm not sure how and don't want to mess things up if there are items I hadn't thought of.

Grizzly said when it left the factory, it had these settings.

Spindle Nose Runout 0.01mm
Spindle Taper - Nose 0.011mm with 100mm test bar 0.02mm

Spindle to Bed - Horizontal 0.018mm @ 200mm
Vertical 0.040mm @ 200mm

So, if this is all correct it should had been fine when it got here. No crate damage when it arrived.

What do I do????

[ataxy]

what doc where you taking to make your test also were you locking the cross cariage

[rwskinner]

what doc where you taking to make your test also were you locking the cross cariage

No, I am not locking the carriage. It's cutting 0.0025" taper per linear inch or 0.032" over 13", I performed the alignment test as per the Something Dads alignment test and came up with the same exact number.

I loosened the 4 head bolts and I'm down to 0.001" taper over 12" but I'm trying to tap it in a tad closer. I'm making headway though.

How close will a small lathe like this generally hold?

Thanks
Richard

[ataxy]

the worse i get on my weiss 11x27 is about 0.0005"/4" i have never really turn anything longer on it
0.001/12 is pretty good and this is with no tailstock?

[rwskinner]

the worse i get on my weiss 11x27 is about 0.0005"/4" i have never really turn anything longer on it

I just finished the horizontal test and I'm getting about 0.0002 per 6" and I'm locking down there.

[ataxy]

you could probaly get a bit more out of it try with the cross slide lock and check to make sure that the head is sitting flush on the base make sure that when you tighten it there is not a corner of the head getting pushed down because there is play

[rwskinner]

the worse i get on my weiss 11x27 is about 0.0005"/4" i have never really turn anything longer on it
0.001/12 is pretty good and this is with no tailstock?

My mistake, it was .001" taper in 6.000" not 12.