Question

Answer the following question gears shown in the attached Figure have 8 mm module and 20 The pinion rotates pressure angle, a 28-T gear on shaft c. All th perfect mounting a) Calculate the resulting shaft reaction on the 28-T gear. min and transmits 20 kW through the idler to the ree gears have equal face width of 75 mm, Brinell are made of standard shape and high precision are in the same plane. (b) Check for interference in the driven gear. (c) Check the pinion for possible tooth breakage. 367 28T

Answer 1

Given m-8mm , Ft -a angential Force on geaYS 1s a% u med transmission Fe al べ、w: 匕 CL a x12 48mm 2 2 66 31.3 N 3.01s (Fac 6431-32413.

(b) check forr intefer ence between ab e ac be ck for ab par b to avoi dinier fer enreuǐl.be: on 2 aw (41 min- 4b= Gear ration between q4b_ 36-3. dw addendum) module I min 4494 4s ('Z' b= 36 Since there wi be intr ference beneen ab 2 a Zo- 28)> so, For this par γ ac'. Zbmin=17) Sa, +his 9ldo has no problem. So, Final conclusi on 'Stha-there will be. inter beh» een ab only.< Ts avoid this we should increas

(c) check For brekaye of Pinian Sevvice factor es The effec tIve Lo a don Pinion to sta's glvenaD Ais», According to Lewis en The bendin) st-ength ia jivcn by lo Ci o 12 12 Let . 6b- bendin SlnLe