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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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Eason ES-8
Does anybody here have any experience with the Eason ES-8 DRO?
We have one on a lathe in the museum workshop where I volunteer restoring old machinery such as steam traction engines and similar stuff. We have a relatively new(18 months) lathe with the Eason DRO on it. I'm having a bit of trouble with it and, as I'm not to familiar with DRO's, don't know whether I'm expecting too much from it or if there is something wrong with it. I take an initial cut with the lathe, then measure the diameter of the work and set it into the DRO and hit enter. I then put the next cut and turn on the motor. The reading immediately changes and dances around by a few hundreds of a millemeter or thou. After taking the cut on the work, I measure it and find that it is off by as much as 7 hundredths of a millimeter from what the DRO says it should be. Am I doing something wrong, is ther a fault in the DRO, or am I just expecting too much from what is a relatively cheap devise? Any ideas would be appreciated. |