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| Re: [Orchid] Using european 220 volt equipment in the USA | ||
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From: Silververkstan d&b Date: Thu Sep 08 22:46:06 2005 |
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========[ Invite a Friend - http://www.ganoksin.com/invite.htm ]======== Hi Jeanne My problem is usually the opposite, 60 Hz equipment running on 50 Hz. There should'nt be any big problem, all motors will go a little faster but the difference is so small the bearings won't even notice. In Europe standard simple motors run at around 1400 rps or 2800 rps and in the US it is 1700 and 3400 rps. It is all the same but for the 50/60 issue. It basically depends on how the motors windings are configured, a lower rpm-motor will have a different configuration, run at 1/2 or 1/4 rpm, be larger, heavier and probably more expensive. Therefore a frequency controller is not a bad idea, it creates a frequency from 1 up to 400 Hz and can therefore fool your motor run at any speed you desire. Be careful above 100 Hz as it now can become a heat issue (the motor is running twice its intended speed). On the up side the motor will keep most of its power when slowed down. I have frequency controllers on several machines; rock saw, cabbing and polishing machines and exhaust fan. I bought mine second hand, older models not aimed at computer control, for approx. US $100-150. michaela ____________________________________________________________________ T h e O r c h i d L i s t Open Electronic Forum for Jewelry Manufacturing Methods and Procedures ____________________________________________________________________ Orchid FAQ: ~ http://www.ganoksin.com/orchid/faq.htm Orchid Archives: ~ http://www.ganoksin.com/orchid/archive Orchid Galleries: ~ http://www.ganoksin.com/orchid/gallery.htm Invite a Friend: ~ http://www.ganoksin.com/invite.htm ____________________________________________________________________ Tips From The Jeweler's Bench - Article Archive ~ http://www.ganoksin.com/borisat/tip_sear.htm The Jeweler's Selected Bibliography List ~ http://www.ganoksin.com/jewelry-books Buy Orchid Jewelry: ~ http://www.ganoksin.com/shop ____________________________________________________________________ -Unsubscribe: -Email: orchid-request AT ganoksin.com Body=unsubscribe subject=blank ____________________________________________________________________ |
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