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Post by chester on Apr 20, 2020 18:27:54 GMT
If you have a dro check that, mine has just started jumping 5 mm
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Post by keith1500 on Apr 20, 2020 21:20:08 GMT
I am using the DRO. But I take your point and the principle. Thanks.
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Post by keith1500 on Apr 20, 2020 21:24:37 GMT
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Post by keith1500 on Apr 20, 2020 21:31:32 GMT
If you have a dro check that, mine has just started jumping 5 mm My DRO is “homemade” using Chinese rules/ scales and wired back to a DIY kit. If mine jumps it normally due to oil containment or electrical I interference, like switching the mill on or off. This was over come by using a mains filter.
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Post by keith1500 on Apr 22, 2020 22:19:54 GMT
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Post by keith1500 on Oct 9, 2020 19:34:34 GMT
At last I have found time to pick up on this project again.
I have now bolted the cylinder block on to the mount and bolted down the cylinder cover. The next step was to give it a go!
So I used some M8 brass bolts to knock up a fitting for delivering compressed air. A good drop of oil and there was some life! Then using sight sound and feel I set the eccentric and it runs rather well. I wish I could post a movie. The timing is just a fraction off, a bit like a pendulum clock that not set level.
The problem I have is the eccentric grub screws. They really don’t hold that well.
Now is that because I just adapted a steel M3 screw? Should I have gone and got a proper harden screw with a point or something ? What’s the norm here?
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