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Forum: 701. Motor Drives Thu 18 July 2013, 17:54
Replies: 29
Views: 33,386
Posted By Richards
Let's look at a very popular motor, the Oriental...

Let's look at a very popular motor, the Oriental Motor PK296A2A-SG7.2. It is advertised as having 704 oz*in of holding torque. With a 1.24" pitch diameter spur gear, it moves 0.000273" inches per...
Forum: 701. Motor Drives Thu 11 July 2013, 10:17
Replies: 29
Views: 33,386
Posted By Richards
Posts have been edited or removed from this...

Posts have been edited or removed from this thread past this point - see VOLTAGE: the Mike Richard versus Gerald_D argument (http://www.mechmate.com/forums/showthread.php?t=4146) for the unedited...
Forum: 701. Motor Drives Thu 03 February 2011, 09:19
Replies: 29
Views: 33,386
Posted By Richards
Sean, At 56V and 3A, your motor could...

Sean,

At 56V and 3A, your motor could develop 168 watts, if they were driven hard. The motor (which is actually the PK296-03AA) can handle 4.5A at 39V, Oriental Motor derated the PK296A2A-SG7.2...
Forum: 701. Motor Drives Thu 03 February 2011, 06:59
Replies: 29
Views: 33,386
Posted By Richards
Alan, I prefer to run my PK299-F4.5 motors at...

Alan, I prefer to run my PK299-F4.5 motors at 35VDC. At that voltage, I can wire them either half-coil @ 4.5A or parallel @ 6A. Their heat buildup is moderate and they have lots of torque at the...
Forum: 701. Motor Drives Wed 02 February 2011, 20:28
Replies: 29
Views: 33,386
Posted By Richards
Gerald, The Oriental Motor torque charts...

Gerald,

The Oriental Motor torque charts support both of us. A PK299-F4.5A motor has the same holding torque whether it's driven with a 24 volt, 48 volt or 75 volt power supply. Taking 200 oz*in...
Forum: 701. Motor Drives Wed 02 February 2011, 17:32
Replies: 29
Views: 33,386
Posted By Richards
How much voltage do I really need?

We've all been using the formula:

32 X SQRT( Inductance ) = MAXIMUM voltage as the basis for selecting a power supply. In reality, that formula tells how high of a voltage we can use before the...
Showing results 1 to 6 of 6

 
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