I'd had a frustrating 3 days with no power. On Thurs & Fri I told myself I could catch up a bit with work at the weekend, but we didn't get reconnected until 8pm yesterday. I didn't fancy 'real' work today, so decided to catch up a bit with workshop jobs. First off was finishing off the CVA lathe. I'd fitted an inverter drive a couple of months ago, but hadn't sorted out the 3-phase coolant pump. I had put wiring in to run it from single phase with a phase shift capacitor for the third phase, but then picked up a little Mitsubishi inverter from ebay for a tenner or so. I got that wired in & running, just using a contactor in the supply & a fixed speed 'permanently on' setting. It's very tempting to arrange for variable speed to adjust the coolant flow, I would have done it if the new control panel I made had room for a speed pot. I could just about squeeze one in if I started again with a new panel, shunting everything along towards one end but that's quite a bit more work. Has anyone done this (Variable speed drive on coolant pump) & if so was it worth the trouble?
Other than that, a dedicated socket for the CVA (wiring was already in place) and starting to properly level the DSG finished the day off.
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