Electric Speed
Posted on | February 6, 2010 | No Comments
Electric Speed
variable speed electric motors?
I need a small electric motor for a small conveyor belt system. I need to be able to control the speed and have constant steady torque. What type of motor do I need. Is there a common power tool with this sort of motor?
You need to start by quantifying your requirements. I suppose that you may be Ryster1327 and looking to drive your conveyor 16 inches in 45 seconds. If your conveyor is something like a belt on a 2 inch diameter roll, you need to drive that roll at about 3.4 revolutions per minute (RPM). That is a pretty low speed. I found a cordless electric wrench that runs at 200 RPM.
You can buy a motor with a gear that will run at about any speed that you want at any power level that you want. Since you are asking about appliances, I assume that you want to find a used or discarded appliance and spend little or nothing. You can probably use an electric drill, screw driver or wrench, but you will probably need to use pulleys for some of the speed reduction.
You need to figure out how much torque you need for the conveyor. In addition to that, you may need quite a bit of torque for the mechanical speed reduction components.
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