BACKSTOP CAM CLUTCH MOUNTING ORIENTATION
Preventing reverse rotation of inclined and vertical conveyor systems is one of the most common application solutions provided when implementing a backstop Cam Clutch. The following table identifies the three standard mounting types and the given series associated with each mounting type. Please reference Figure 9 for a depiction of the mounting styles.
Mounting Location Designator
Overrunning Speed (RPM) Reverse Torque
Mounting Position
Common Application
Typical Series
Backstopping for low speed overrunning
0 - 150 RPM High Reversing Torque
A
Pulley Shaft
BS/BS-F/BSEU
150 to 700 RPM Medium Reversing Torque
Intermediate Shaft - Gear Reduction Systems
Backstopping for medium speed overrunning
B
MGUS/MGUS-R
Backstopping for high speed overrunning
Directly connected to motor shaft
700 to 3,600 RPM Low Reversing Torque
C
BR-HT/BREU/BRUS
A, B, and C mounting types
Cam Clutch BS Series
A
B
Cam Clutch MGUS-R Series
Reducer Main Motor
C
Cam Clutch BR-HT Series
Figure 9: A,B,C backstop mounting
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