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| Servo Driven 4th Axis for CNC Mill |
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| awemawson:
And here's where it has to go: |
| awemawson:
Ah . . it won't go in as an assembly - needs assembling in situ :bang: |
| awemawson:
So that WAS all good fun :lol: Now did it work ? No - it broke first time I actuated it :bang: I'm not entirely surprised, so we'll have to revert to plan B :clap: |
| awemawson:
So first make a suitable disk chosen from the extensive stocks of quality traceable bars made from a handy bar end :clap: |
| awemawson:
Trim it roughly to size by taking big gulps with a beefy end mill, then fettle it a bit so that it fits. (by heck it was TIGHT !) There is presumably quite a torque on the brake shoe when operated, so before I loctited the screw in, I welded the 'heel' of the sector to the shaft. Then it was a case of re-assembly in situ AGAIN ! |
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