. Automotive industries . r to 200 ft. for a company making high-priced cars will take only 20 per medium-priced touring car. An average given by a large cent of No. 1 common. A Heavy Duty Single Plate Clutch ANEW 14-in. heavy-duty clutch has been placed on themarket to meet a demand for a single plate clutchwhich will satisfactorily transmit a torque of as high as350 This clutch is intended especially for tractorand heavy-truck service. The area of the friction surfaceis 100 sq. in. and the unit pressure on this surface approxi-mates 30 lb. per sq. in. The friction mats are of
. Automotive industries . r to 200 ft. for a company making high-priced cars will take only 20 per medium-priced touring car. An average given by a large cent of No. 1 common. A Heavy Duty Single Plate Clutch ANEW 14-in. heavy-duty clutch has been placed on themarket to meet a demand for a single plate clutchwhich will satisfactorily transmit a torque of as high as350 This clutch is intended especially for tractorand heavy-truck service. The area of the friction surfaceis 100 sq. in. and the unit pressure on this surface approxi-mates 30 lb. per sq. in. The friction mats are of a typerecently developed for the Borg & Beck clutch and aresaid to have shown satisfactory results even with a unitpressure of 60 lb. The drive is transmitted from the friction disk to theshaft through a 1%-in. diameter 10 spline S. A. E. stand-ard fitting, the length of this fitting being 2\2 in. Lubri-cation of the splines is provided for by turning a groovecentrally in the bore of the friction disk, slightly larger. in diameter than the top diameter of the splines. Thisgroove communicates, by means of radial holes in theshaft, with an axial hole extending the entire length of theshaft, so that when this hole is fed grease either from acompression cup or grease gun, the pilot bearing, splinesand thrust bearings are simultaneously lubricated. The thrust bearings are alloy steel, heat treated andground to close tolerances. These bearings are claimed topossess advantages in respect to efficient lubrication, quietoperation and ability to withstand constant use. Three adjustment screws pass through the cover of theclutch, and each screw has only one repeat hole, spacedequi-distant from the bell crank, so that the mountingring is always held rigidly to the cover, thus eliminatingany tendency of the ring to spring and cause drag whenthe clutch is released. This clutch isknown as type and is manufac-tured by the Borg & Beck Co. Model Borg and Beck heavy duty single plat
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectaeronautics, bookyear
