Page 192 - The Tribology Handbook

B7 Friction clutches

DRIVING . FRICTION OPERATING DRIVING DRIVEN
SLEEVE\ SOURCI

-F iGE4R

DISENGAGE -
TO-

Figure 7.1 Cone-type friction clutch Figure 7.2 Cone clutch used on automatic lathe

DRIVING PRESSURE OPERATING
MEMBER TOGGLES
\ I SLEEVE
\ I I MEMBER
DRIVEN

! I

DRIVING
SLEEVE

Figure 7.3 Construction of single-plate clutch Figure 7.4 Design of multi-plate clutch

TO

TO
DISENGAGE

Figure 7.5 Alternative operating methods: (a) diaphragm spring clutch; (b) over-centre clutch, suitable for long
engagement periods-no external force is required once clutch is engaged; (c) pivoted lever design for
engagement of multi-plate clutch
B7.2