Just got my new VFD, O HAPPY DAY

JTknives

JTknives

Joined
Jun 11, 2006
Messages
8,651
Well the much awaited VFD showed up at work today. man i was like a kid in a candy store playing with it and all its settings. the one thing that i like most is that i can have custom display settings. so i can say well at 100% of the vfd my belt is going X amount of SFPM. then i put that number in and it will accurately display what the SFPM is and different rpms of the motor. another thing is that supper sweet is that I'm not just stuck with 50 or 60 Hz but i can set the min and max Hz from 0 to 240Hz. i set it to 120 max and then told it to display RPM's and started up the motor. i went from 0 to 3600 RPM on a 1724 RPM motor. ya i know it probably is not the best thing to do to it but man it ran smooth. and with the size pulleys and drive wheel i have on my grinder that would give me 0 to 12000 SFPM of belt speed :D:D:D. but if i set it to 240 i would be at 24000 SFPM and most likely would explode the motor and belt and who knows what else. here is a picture of it running the motor at 3600 RPM. right now i have it wired for 120v as i did not have access to 230 right away and wanted to play with it. but it ran the motor fine, but it had no load. And yes of course I had to get white :D

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Is it normal for the motor to get hot to the touch just running with no load on it. i would guess the case is just warm but the shaft is i would saw around 150deg or so.
 
JTknives said:
Is it normal for the motor to get hot to the touch just running with no load on it. i would guess the case is just warm but the shaft is i would saw around 150deg or so.
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JT maybe this site will help:

http://www1.mscdirect.com/solutions/Motor_info.pdf

Your tag on the motor should tell if this motor is thermally protected (reset button for overheating).

Also you will see a place for a code designation. If you scew about 1/2 way down the page on the left it refrences that code designation on a chart showing the insulation class. It will also show normal operating temps for that particular code.
There is alot of information on this site. One of the motors the picture about half way down looks a lot like the one you have got. Hope that helps! If you still have questions call the maufacturer they should have a toll free customer service number!
 
well it looks like the motor is an F class which means its max temp is 311 deg, holly cow. i ran the motor connected straight to 3 phase power and let it get run for around 2 hrs. it got quite hot. the case got warm but the shaft was hot enough that if you help it for a bit of time it would burn you. so now I'm running it on the vfd and its about the same temp. so i guess everything is OK.
 
You can build a stainless box to put that in or get a tool box and get that chromed. :)

Looks pretty sweet.
 
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