bulldawg
Plastic
- Joined
- Apr 14, 2010
- Location
- georgia,usa
does anyone know truly the correct way to calibrate a machinist level.iv heard several different ways and am not so sure about any of them
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calibrating machinist level
- Thread starter bulldawg
- Start date
- Replies 6
- Views 16,068
JRIowa
Diamond
- Joined
- May 27, 2003
- Location
- Marshalltown, Iowa, USA
Put the level on something that is reasonably close to level and also has a smooth, flat surface. Note the position of the bubble. Turn the level 180 deg. If the bubble is in the same position, your level is OK. If not, adjust and repeat the process.
JR
JR
Conrad Hoffman
Diamond
- Joined
- May 10, 2009
- Location
- Canandaigua, NY, USA
I've always suspected this would be easier for the really sensitive levels if one first made a three-legged plate with two legs being fine adjustment screws. The plate could be leveled reasonably close first, so the bubble of the level being adjusted was near to center.
CH
CH
Peter from Holland
Diamond
- Joined
- Jan 15, 2005
- Location
- The Netherlands
That is how you set it to zero
calibrating involves some way to check for deviations of the angle between each mark on the level
Peter from holland
Kevin Barrett
Aluminum
- Joined
- Oct 8, 2007
- Location
- Alberta,Canada
The lines on the vial are symmetrical,"calibration" per se is not possible without
replacing the vial.
Setting the instrument to zero as described above is the only procedure even
remotely useful.It is, after all, a level,read and interpreted by the naked eye.
trevj
Titanium
- Joined
- May 17, 2005
- Location
- Interior British Columbia
I was taught to use a surface plate, and a parallel bar to zero the level. All clean and temperatures stabilized, etc.
Rotate the level until it reads centered, then use the parallel bar to mark the location while the level is turned 180 degrees, adjust if required, repeat.
That much different than anything else out there?
Cheers
Trev
Rotate the level until it reads centered, then use the parallel bar to mark the location while the level is turned 180 degrees, adjust if required, repeat.
That much different than anything else out there?
Cheers
Trev
J Henricksen
Stainless
- Joined
- Sep 19, 2003
- Location
- Roscoe, Illinois
Once the bubble has been balanced by reversing the level a few times and adjusting, You can check the resolution/calibration/ measuring accuracy by putting a .001 feeler under one end of the level and noting the deviation the bubble shows.
If you are leveling small machines and dont need to accumulate the level error, it really isnt a big deal what the level is reading as long as evereything is level and flat when you are done.
Knowing the error per line makes a difference if you are leveling something like an Ingersoll or a big Nomura so you can keep track of where the high spots and the dips and twists are.
If you are leveling small machines and dont need to accumulate the level error, it really isnt a big deal what the level is reading as long as evereything is level and flat when you are done.
Knowing the error per line makes a difference if you are leveling something like an Ingersoll or a big Nomura so you can keep track of where the high spots and the dips and twists are.
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