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Old 3rd September 2008, 12:21 PM   #1
lancer is offline lancer  Singapore
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Default Help needed in determining pulley diameter

I've plans to use an Airpax ac motor to turn a platter. Can someone help me to determine pulley diameter size for motor. Details are - motor 250 rpm, platter size is 270mm. Thanks in advance.
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Old 3rd September 2008, 03:14 PM   #2
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What thickness of belt will you use?
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Old 3rd September 2008, 04:17 PM   #3
lancer is offline lancer  Singapore
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Mark,

It's 1mm in thickness from a Thorens 850.
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Old 4th September 2008, 08:48 AM   #4
dsb is offline dsb  Canada
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review Stock Drive Products website, they sell all these components and have guidelines on sizing and selecting drive components.
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Old 4th September 2008, 01:11 PM   #5
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With a 1 mm belt the equation is

Pulley diameter = ((270 + 1) x 33.33 / 250) -1 = 35.13 mm.
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