带传动选择（Belt drive selection）.docVIP

带传动选择（Belt drive selection） First page 1, the transmission ability and ____ belt angle on. A (tensioner) B (big belt wheel) C (small pulley) 2, the belt drive is to rely on ____ transmit motion. A (spindle power) B (friction between belt and pulley) C (torque of the driving wheel) 3, if the transmission belt transmission ratio i = 1, open belt drive small belt wheel angle ____. A (= 180 degrees), B (180 degrees), C ( 180 degrees) 4 、 in the V belt drive, the theoretical cross section angle of the adhesive tape is ____40 degrees. A () B () C (=) Second page The angle of wheel groove between 5 and V pulleys is ____40 degrees. A () B (=) C () 6, the nominal length V belt for ____ length. A (peripheral) B (base) C (peripheral) 7, under the same conditions, the transmission ability of V belt transmission ability of _____ flat belt drive. A () B (=) C () 8, if the speed exceeds the allowable value, the transmission ability of the belt ____. A (decrease) B (increase) C (constant) Third page 9, I = 1 open belt drive, if the center distance increases, small wheel angle of ____. A (decrease) B (increase) C (constant) 10, ____ transmission can only use open type. A (V band) B (flat band) C (round belt) 11, in order to reduce the V with the bending stress, prolong the service life of the V, the diameter of the belt wheel should be ____ minimum diameter of pulley. A () B (=) C () 12, do not use the conventional V pulley wheel groove angle ____. A (32 degrees), B (34 degrees), C (36 degrees), D (40 degrees) Fourth page 13, no tension wheel horizontal or inclined installation of flat belt drive, the loose side should be placed in the ____. A (above) B (below) C (either side) 14, the vertical installation of flat belt drive, the loose side can be placed in ____. A (below), B (above), C (on any side) 15, can be used ____ flat belt drive. A (any three), B (opening), C (cross), D (half cross) Where should ____ structure 16, small, small diameter wheel load and high speed V belt. A (Xi