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Topics - bassplum

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1
Ask a "Silly" Question / Lortone power useage
« on: March 30, 2020, 11:24:22 AM »
Hi, I am contemplating buying a Lortone rock tumbler. I see they are 240 volt, my silly question- how many amps do they draw?. Seeing as though tumbling is such a long process & power charges are what they are, could you gestimate a figure on useage cost?  I have an old tumbler that runs on a washing machine motor that is far too expensive to use  24/7/?days.   Dave. ;D

2
Ask a "Silly" Question / Lap speed
« on: October 06, 2015, 03:34:05 PM »
Gday everyone, I can't believe it's three years since I asked my first question & had virtually no response, so put the lap machine to one side & went gold detecting!! But I have the "making something from gemstone" bug again, so I'l have another go at  the same question. I have made a flat lap with a 1/3 hp direct drive motor running 150mm diamond discs. I guess the rpm to be approx 1800 & although it works well it seems to a newbie to be running too fast & can't find anywhere what the optimum rpm would be, & how to slow up the motor without reducing torque. I haven't entertained polishing at this speed for fear of lining the sump bath with diamond paste!! Ok, it's out there again, anyone care to steer me straight? Regards, Neil

3
Ask a "Silly" Question / lap disc & diamond cutting disc speeds
« on: October 08, 2012, 08:03:50 PM »
Hi Guys/gals,
as a newby I am curious if there is an optimum speed [rpm] for lap discs & diamond cutting discs?

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