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Member postings for AndyNC

Here is a list of all the postings AndyNC has made in our forums. Click on a thread name to jump to the thread.

Thread: Drilling holes in round objects
26/09/2014 12:30:13

Wow, more replies than I expected. Many thanks for them.

In practical terms for me the ruler trick or the end mill seems the easiest solution and would give me the accuracy I desire.

I only need to make about 4 units for the regularly used drills so a jig is probably over doing it.

Thinking about it last night another way would be to use a narrow v-block in a vice. The use a small drill/pin to line up with the centre/bottom of the V. When a round object is dropped in, it would automatically line up. BUT I don't have a narrow V-block so I'll stick with the ruler/endmill method.

Many thanks

Andy

25/09/2014 12:35:28

Hi Guys, (and Gals)

I want to make some drill depth stop collars. I have no issues making them to the correct size internal, external and length using a lathe.

I can't work out how to drill a hole in the outside exactly in line with the axis for the clamp screw.
I can mount it a drill vice and centre punch the OD but how can I be sure that it is at the top so the drill is vertically above the axis.

There is an argument that says it doesn't have to be precise for this application but I'd rather have a method to get it the best I can.

Many thanks

Andy

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