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Thread: Help with US tool
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25th December 2015, 10:34 PM #1New Member
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Help with US tool
Hopefully someone can help... I have just received a workshop 3000 for Xmas. Unfortunately it was purchased from the US and I pretty much have to figure our a way of using it here.... Help?
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25th December 2015, 10:47 PM #2GOLD MEMBER
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Did you mean a WorkSharp 3000? If so, there are a number of Youtube videos on using the sharpener.
Geoff
The view from home
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25th December 2015, 11:18 PM #3
A step down transformer to get it to run from 240 volts?
120W 240 - 115V Isolated Stepdown Transformer | AC-AC Transformers | Power Conversion & Transformation | Power Products Electrical | PRODUCTS | MF1080 | Jaycar Electronics
Just check the wattage to make sure it's right for your device.
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25th December 2015, 11:21 PM #4GOLD MEMBER
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I think you need something like this.
step down transformer voltage converter convert 240v down to 120v USA Devices to Run in Australia
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26th December 2015, 09:52 AM #5New Member
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Thanks guys, I'm going to look onto it today. A stepdown looks to be the way to go but it's the frequency that's apparently the issue
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26th December 2015, 10:00 AM #6New Member
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Hi Geoff, I meant the power issues with voltage and freq changes. Trying to work out Wether it's more economical to send it back or try and modify it
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26th December 2015, 10:51 AM #7.
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The frequency will mean the motor and wheel will run 20% slower and there is not much you can do about it short of using an EXPENSIVE single phase inverter after the step up transformer to recover the lost frequency.
Normally it should not make that much of a difference on such a unit.
Where speed is critical some machines sold into countries with 50Hz power may have different gears or pulley to recover the difference in speeds.
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26th December 2015, 11:05 AM #8GOLD MEMBER
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Are you sure that this gadget doesn't have an universal motor?
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26th December 2015, 12:59 PM #9.
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The You tube vids of the workshop show a very quiet motor which is not likely for a universal motor.
The wheel RPMs for the machine on the US and AUS website list the same 580 RPM so either they just cut and paste ignoring the changes
OR
'The AUS is re-geared to achieve the 580RPM
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26th December 2015, 02:33 PM #10New Member
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Thanks for the advice everyone, but it looks like its going to have to go back to usa... went to Jaycar and they said that there was nothing I could do short of replacing the field coil which would be expensive. Cheaper at this stage to pray for a refund and get the aussie version Til then its the old bench grinder lol
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26th December 2015, 04:20 PM #11
given that the system is essentially just a powered scary sharp -- a 20% reduction in wheel speed may not make much difference, provided you can obtain a suitable step-down transformer.
Changing a gear wheel may also be an option -- from the US web site The WS3000 utilizes gear reduced wheel speed
I don't own one, nor have I looked inside one, but from the outside, the drive mechanism looks very like that used in a Tormek (or for that matter a record turntable) -- the main wheel is driven by friction from a smaller rubber covered wheel on the motor shaft, changing the drive speed might be really really easy
Just note, again from the US web site Using a 115V machine in a location with 230V power sources voids your warranty.regards from Alberta, Canada
ian
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27th December 2015, 11:42 AM #12GOLD MEMBER
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29th December 2015, 05:03 PM #13
I agree with Chris. I have powered many a 110V appliance using a transformer in my time. The speed change is insignificant so the transformer will be perfectly fine. It uses a 120W (1/5 HP) induction motor so the transformer from Jaycar should be fine but you could go up a range just to be sure.
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29th December 2015, 06:44 PM #14Retired
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18 months ago I bought one of these for my Drill Doctor.... NEW 2000W 240V TO 110V Step Down Stepdown Transformer Voltage Converter 2 Plugs | eBay
Havent looked back. They are generic and cheap (so compare prices/postage), hummmmm a bit, but nothing annoying or loud. Its handled everything so far and I've used it weekly to keeps my bits minty sharp
So far, none of the magic blue smoke has escaped any machine.....
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29th December 2015, 07:34 PM #15
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