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| Convert 4-jaw to front-mount? |
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| hopefuldave:
More advice - thanks! Jonny, I was going to bolt the rotary firmly to the drill press table (no mill, as such), flip the chuck jaws down and grip the rotary's table in it, indicate it in and then line up between the jaws, drill first hole, then crank the rotary through 90*, drill, rinse and repeat! I think the existing (rear) holes are a bit small (I'll use M8 capscrews for fixing as that's what the T-nuts take) , and perhaps too close to the edge of the chuck and wouldn't leave enough room for the counterbores - if the drill wandered they could even emerge from the side of the chuck, not the front face... Thanks again, Dave H. (the other one) |
| Jonny:
Not too sure on that method but should be ok if just drilling through the chuck only. Use final size 6.8mm or 8mm for now. Flip back over line chuck up and with drill hole. Just keep pecking away whilst moving the job to position. If drilled through 8mm use same drill but change over to 6.8 for drilling without moving anything. Its amasing how accurate you can do it by mark 1 eye ball just look for drill veering off or deflecting whilst plunging down. I would use that hole tapped with your M8 bolt tightened up to hold whilst doing the next, no need to clamp the job. Alternatively can pick up off holes in the table. I was limited to 5 M5 cap hds on mine due to the inner workings and no room for error. Broke the jaws today. |
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