MANUAL OPERATION
Cam Clutches are often used when a machine is operated manually for positioning, adjustment, or set up. The Cam Clutch mounted at the manual handle overruns while the machine is in operation. The handle does not rotate and cause a safety hazard. Cam Clutches are often used on the manual handles of circular knitting machines. The manual handle is used to position the machine on start-up and adjustment of the needle and thread. When the machine starts the linkage between the Cam Clutch and the handle is broken. Another Cam Clutch is provided at the output section of the worm reduction gears, to break the connection with the driving side during manual operation. Figure 30 .
Figure 30: Common manual operation arrangement
Typical Series
Advantage
BB
Integrated Cam Clutch and bearing
BUS200
With or without inner race for machine integration
MZ, MZEU
Grease is sealed in, so lubrication maintenance is not required
PBUS
Easy mounting of gears, pulleys, and sprockets
TFS, TSS
Outside dimensions same as standard ball bearing type bearing
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