As promised, when I get a moment to add items I will.
I am still working on a large piece which I hope to enter into an exhibition at the end of the month and over the last couple of days the tone of my point carver changed. Its tone became irregular and louder.
New noises on a piece of equipment are not good! I checked the temperature of the bearings and bushes - normal. Just to be on the safe side I oiled the bushes and greased the bearings anyway, and waxed and re-tensioned the belt, but it still made the same louder and pulsating noise. I checked all the nuts and they were tight. Then I tried the grub screws in the stepped pulleys.
One was loose!
I applied Loctite and tightened it, and instantly, the old hum returned!
So please take note of the noise of your equipment - it is telling you when something is wrong!
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On this page I intend to add monthly updates on aspects of jade carving. I also plan to invite more experienced carvers to offer a "master-class" on a particular subject of their choice. With this I hope to enthuse both the novice and the expert in this ancient and beautiful art-form/craft. And comments are welcome!