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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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#1
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Bolt Hole Circles on Acu-Rite DRO
I have an Acu-Rite Micro Line DRO on my mill. I am trying to use the
bolt hole function but am having some problems. I zero the workpiece which is a chuck backplate and then enter the appropriate numbers into the the DRO. It is not working. The first bolt hole is 60.6218mm from the center of the backplate on the X axis and 35.000mm on the Y axis the bolt hole is 30 degrees off of the X axis in a counter clockwise rotation. The radius of the bolt circle is 70mm. There are 6 bolt holes on this circle which means that there are 60 degress between each bolt hole. How should I program this into the DRO? The first question it asks is the number of holes, which is 6. It then asks for the center of the first bolt hole in X and Y coordinates which is X = 60.6218mm and Y = 35.000mm. It then asks for the radius which is 70mm. It then asks for the start angle which is 30 degrees. Should I use the DRO to drill the first hole at the above X and Y coordinates and then program the DRO? Would I still use 6 bolt holes and just use the starting hole as the one I just drilled? From the instructions that is what I am gathering but I just want to make sure. Any help greatly appreciated. Thanks, Steve |
#2
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I have an Acu-Rite Micro Line DRO on my mill. I am trying to use the bolt hole function but am having some problems. I zero the workpiece which is a chuck backplate and then enter the appropriate numbers into the the DRO. I too have an Acu-rite. That bolt hole function don't seem to work. (at least for me) It just takes a minute to calculate the X and Y coordinates in a speadsheet like Excel and then print them out. If you're not a trig kind a guy, describe what you need. Someone here will chime right in. Karl |
#3
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The dro must be in absolute mode for bolt holes it won't work in inc.
mode. Also position the drill in the center of the bolt hole circle first so when it asks you x amd y , x0 y0 |
#4
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Bolt Hole Circles on Acu-Rite DRO
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