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Sounds like your putting lots of effort to the problem which is good. I also tried the string line. To slow and can't re-check periodically. I find it fast to have a laser level or transit set up. Guaranteed accurate. Even a cant or heavy log can move the base support. Best of all you can double check during the work. Also could there be any movement in your back supports when clamping? If everything is square and supported it should good.
Quote from: Tin Horse on January 28, 2019, 10:46:52 AMSounds like your putting lots of effort to the problem which is good. I also tried the string line. To slow and can't re-check periodically. I find it fast to have a laser level or transit set up. Guaranteed accurate. Even a cant or heavy log can move the base support. Best of all you can double check during the work. Also could there be any movement in your back supports when clamping? If everything is square and supported it should good. @Tin Horse what laser level are you using? i found out a string is way more accurate than my bosch grl300hvck level, which is within 1/4" per 100'. i thought it was to within 1/6", but after some research online and hands on measurements, i found out otherwise, by checking it against a string on my frame rebuild. i was shooting about 30' away from the closest end to the laser head and 50'. i dont want to buy another laser, but if it there is a tighter tolerance laser for around the same $$ as my bosch, ill sell and buy the other brand.
Quote from: charles mann on January 28, 2019, 12:04:43 PMQuote from: Tin Horse on January 28, 2019, 10:46:52 AMSounds like your putting lots of effort to the problem which is good. I also tried the string line. To slow and can't re-check periodically. I find it fast to have a laser level or transit set up. Guaranteed accurate. Even a cant or heavy log can move the base support. Best of all you can double check during the work. Also could there be any movement in your back supports when clamping? If everything is square and supported it should good. @Tin Horse what laser level are you using? i found out a string is way more accurate than my bosch grl300hvck level, which is within 1/4" per 100'. i thought it was to within 1/6", but after some research online and hands on measurements, i found out otherwise, by checking it against a string on my frame rebuild. i was shooting about 30' away from the closest end to the laser head and 50'. i dont want to buy another laser, but if it there is a tighter tolerance laser for around the same $$ as my bosch, ill sell and buy the other brand. Hi Charles. I can understand your need for accuracy on a build. My Enercraft is older but heavily built; however as stated by others there is some twist/flex in the frame. On my mill this showed up in a bad way. On the 4 post system mines gotta be right on. my engine is a Kubota 30 HP. The lift system is 3 chains, 2 front and 1 at the back. Would raise up OK but not down. It would jitter then 1 chain would skip a cog on its sprocket. Not good. Then it would re-set again when raised.I thought I could set up with level and string line but it often just didn't work. I started using an older Dewalt laser (DW073KD) that worked but not well in outside daylight. Then bought a Bosch GOL 26x automatic. Its worked very well since and no problems. Not sure about your level but mine gives instructions on calibration and verifying its accuracy. Mine is also rated at 1/16" at 100'. Distance shooting about 20' to 50'. Hope this helps
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