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Equipment/DrillPress: Difference between revisions
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9 Aug 2013 - sjrapid and will took the arbour and chuck off, and tested the quill run out with a dial indicator. | 9 Aug 2013 - sjrapid and will took the arbour and chuck off, and tested the quill run out with a dial indicator. | ||
Quill | Quill runout is approximately 0.2mm (should be <=0.02mm, 1thou) ). Runout at the chuck can be anything up to 10x this depending on selected speed and cutting bit. Your holes may be oval! | ||
Here's the dial-indicator test video: | |||
Here's the video: | |||
[http://www.flickr.com/photos/flux-org-uk/9469751707/ Drill press precision] | [http://www.flickr.com/photos/flux-org-uk/9469751707/ Drill press precision] | ||
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#<artag> if there's a screw thread in the end of the taper thrn it can use a drawbar like the 3-in-1 but that's fairly unlikely | #<artag> if there's a screw thread in the end of the taper thrn it can use a drawbar like the 3-in-1 but that's fairly unlikely | ||
#<lovelace_> K, seems firmly in now | #<lovelace_> K, seems firmly in now | ||
#9 Aug 2013 - sjrapid and will took the arbour and chuck off, and tested the quill run out with a dial indicator. Also tested with a new certified chuck and arbour (0.0012 TIR). Measured run out of about 0.25mm on the new chuck. TIR not measured on the existing keyless chuck. | #9 Aug 2013 - sjrapid and will took the arbour and chuck off, and tested the quill run out under no load with a dial indicator. Also tested with a new certified chuck and arbour (0.0012 TIR). Measured run out of about 0.25mm on the new chuck. TIR not measured on the existing keyless chuck. | ||
