COngrats on the wedding (unfortuntalely i've "been there done that' with grim results LOL ) Anyway, about rotary tables. I agree the biggest you can fit...
3226
turboglenn0057
Mar 4, 2011 9:13 am
Is the yellow fault light coming on when the mil fails to start? Right after the spindle breaking my Grizzly X3 didn't last 2 hours at most before the...
3227
clumsysoftballerz
clumsysoftba...
Mar 4, 2011 2:26 pm
thanks for the input and welcome! im new here too and really only wish there were as much activity here as over on the hf/griz mini mill group :( I was...
3228
turboglenn0057
Mar 8, 2011 5:27 am
Yea, I had to clamp the thing by the single mount on the "top" and bring the mounting slots "inwards" by about 1.5" each, milling that iron with such a flimsy...
3229
me
clumsysoftba...
Mar 8, 2011 4:15 pm
I pasted a link to the other group. it is for the mini mills but has a lot more users. I have the same mill- got it a month before you I think. love it. if u ...
3230
reh4105
Mar 9, 2011 4:15 pm
I've just installed a used eBay-type Chinese DRO system (Rational WE6800-3) on my Grizzly G0619. It fired right up but after putting a dial indicator on the...
3231
John Buckwalter
zip45722
Mar 9, 2011 4:28 pm
First, you have made measurements with a Dial indicator that may have that much error. Second what parts are you going to be machining that need to be close...
3232
lists
klystron
Mar 9, 2011 4:42 pm
In article <il88mj+2tet@eGroups.com>, ... Do you have an up to date calibration certificate, traceable to national standards, for your dial indicator? What...
3233
Carl Hollopeter
chollo...
Mar 9, 2011 4:48 pm
X2 on what John said. Depending on what type of indicator you are using you will have problems reading that close. You need to be using a 4-0-4 or similar to...
3234
Roger E. Huegel
reh4105
Mar 9, 2011 4:48 pm
John I don't machine anything that close but my thoughts were that a half thousandths error in one inch could be several thousands in ten+ inches. I am a...
3235
Roger E. Huegel
reh4105
Mar 9, 2011 4:57 pm
Stuart I'm just a home hobbyist. My indicators/equipment are not calibrated to any standard (unless the Chinese did it when they produced the equipment). The ...
3236
Carl Hollopeter
chollo...
Mar 9, 2011 5:37 pm
Roger, Do you have gauge blocks? If so you can use use gauge blocks to effectively extend the measuring range of your indicator. The further you measure the...
3237
Mike
emsee001
Mar 9, 2011 5:44 pm
I would imagine your DRO may be better than your dial indicator. However, you should find out what the accuracy of the DROs are supposed be in the first...
3238
Roger E. Huegel
reh4105
Mar 9, 2011 5:50 pm
Carl Yes, I was thinking of that exact thing. Thanks. _____________________________________________________ Roger...
3239
lists
klystron
Mar 9, 2011 6:51 pm
In article <001101cbde7b$17621a40$46264ec0$@net>, ... As I am too. The point I was trying to make is that unless one has such calibration data it is impossible...
3240
Roger E. Huegel
reh4105
Mar 9, 2011 7:32 pm
Stuart You, of course, are entirely correct. If one was to go entirely by the written specs the DRO system would be the most accurate. I believe that the ...
3241
Anders Eriksson
sm0orv
Mar 9, 2011 7:34 pm
Roger, I can understand your concern. To check over a longer distance why not use the machine dials at least for x and y. They should be good enough if you try...
3242
Richard
rwskinner123
Mar 9, 2011 10:22 pm
Roger, Can you mic a couple of 123 blocks, then check your dro against them? ... From: Roger E. Huegel To: X_Series_Mills@yahoogroups.com Sent: Wednesday,...
3243
Steve Blackmore
stevepilotltd
Mar 10, 2011 12:10 am
... The Rational DRO are pretty good, they are rated as having a Resolution of 0.1, 0.2, 0.5, 1, 2, 5, 10um depending on the scales they are running on. Of...
3244
Roger E. Huegel
reh4105
Mar 10, 2011 1:32 am
Steve My scales are Rational's and their rated at 1um (which I think is .0004"). I did a series of tests with varied results. Basically I zeroed out the hand ...
3245
Steve Blackmore
stevepilotltd
Mar 10, 2011 9:26 am
... No - 0.0004 = 10um 1um is one thousandths of a millimetre. All else being equal I'll bet the DRO is far more accurate than any indicators you own. Most of...
3246
Roger E. Huegel
reh4105
Mar 10, 2011 11:37 am
Steve I have some Starrett and Federal dial indicators but I've been using a cheap Chinese because it has an inch of travel. After I chug down some morning ...
3247
Roger E. Huegel
reh4105
Mar 10, 2011 11:47 am
Steve Opps, I missed a zero. I meant to type in 0.00004" ... No - 0.0004 = 10um 1um is one thousandths of a millimetre. ...
3248
reh4105
Mar 10, 2011 4:28 pm
Okay, here's the results of my tests with the gage blocks (Pratt & Whitney Military Ordnance grade) and the Starrett Last Word Indicator. All test were done...
3249
Steve Blackmore
stevepilotltd
Mar 10, 2011 9:13 pm
... Did your moves account for backlash? Steve Blackmore --...
3250
Roger E. Huegel
reh4105
Mar 10, 2011 10:43 pm
Yes. I started each set by traveling past the 3" gage block then reversing back into it to set zero. _____________________________________________________ ...
3251
Steve Blackmore
stevepilotltd
Mar 10, 2011 11:39 pm
... Looks to be 3 thou different on Y axis depending on direction. Adjust the gibs up, the backlash on the Y nut and most importantly take up any endfloat on...
3252
reh4105
Mar 11, 2011 2:58 pm
Steve This morning I re-adjusted the Y gibs, tightened the Y nut and tightened the handle end float (.001 or less). Also lubed ways and feed screw. I have it...
3253
Richard
rwskinner123
Mar 11, 2011 3:35 pm
Roger, Put a indicator on your Y axis right at the mount to the reader head. Make sure that bracket is not flexing when you change directions. You may even...
3254
caymans34
Mar 31, 2011 7:51 am
Brand new here, with a question that has probably been asked already, but did not see what I was after in a search. I have a Southbend 9A lathe (54" bed), and...
