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CNC Conversion – Mill Disassembly

I took apart the old mill to see what I could re-use and what I should make. I don’t like the stand because is cast iron, rusty and I think I can make a nicer one. The head & spindle aren’t really suited to CNC conversion so I think those are junk too, though the motor will get used for something else some day. The base isn’t great but it will do the job. The mill table is solid and will a great milling table after it’s cleaned up.

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The blue part is the base I don’t like. The part above is the mill base I plan to re-use.

 

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The bolt holes are M18 and should make a strong mount for the new spindle. The Z column was shimmed under the right size but I think the dove tails and the Z column base give me a nice flat surface to attach my rails and use as a good reference surface.

 

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Another view of the base. The front has a machined surface I can use to mount the Y-axis screw.

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Part of the old Z-column to be thrown out.

 

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Another view of the Z-column. It was sturdy, just not great for adding motors.

 

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This is the nicest part of the mill. Cast milling table, sturdy and very heavy. It’s about 800mm long.

 

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Good surface to mount ball screw too on the table. Some other misc junk to be discarded.

 

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These are the only two pieces of the original mill I think I can re-use. The rest will be saved for some future purpose. Now the fun begins!

About Brian Barrett

Brian Barrett is a Canadian Engineer living in China.

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