The study manual is intended for students of bachelor degree studying at the petroleum engineering department. It meets the requirements of general teaching and studying trends of the machine mechanics courses in a foreign language. The study manual is aimed to create a systematic knowledge of the problems connected with parts machine designing. CONTENS INTRODUCTION…………………………………………………………………………… 1 EXAMPLE 1 I …………………………………………………………………………….. 1.1 Reading kinematic schemes. Figuring out the items and parts of machines. …… 1.2 Motor selection. Kinematic and power calculation of transmission ……………… 1.3 Materials selection for gears (spur gear reducer). Admissible stresses calculation. ………………………………………………………………………………….. 1.4 The design calculation of spur and helical gears …………………………………… 1.5 Checking calculation of the gear……………………………………………………… 1.6 Open transmission design an d checking calculation ………………………............ 1.7 Shaft design calculation and ball bearings selection ………………………………. 1.8 Key set selection……………………………………………………………………… 1.9 Gear design. ……………………………………………………………………………. 1.10 Reaction calculation. Building diagrams of bending moments and torques ……. 1.11 Checking calculation of the bearings ……………………………………………….. 1.12 Key set Checking calculation ……………………………………………………….. 2 EXAMPLE 2 ……………………………………………………………………………… 2.1 Reading kinematic schemes. Figuring out the items and parts of machines.Schematic symbols of mechanical transmissions ………………………… 2.2 Motor selection. Kinematic and power calculation of transmission ……………… 2.3 Materials selection for gears (spur gear reducer). Admissible stresses calculation …………………………………………………………………………………... 2.4 The design calculation of spur and helical gears …………………………………… 2.5 Checking calculation of the gear …………………………………………………….. 2.6 Belt drive design calculation ………………………………………………………….. 2.7 Shaft design calculation and ball bearings selection ………………………………. 2.8 Key set selection ……………………………………………………………………… 2.9 Gear design …………………………………………………………………………….. 2.10 Reaction calculation. Building diagrams of bending moments and torques ……. 2.11 Checking calculation of the bearings ………………………………………………. 2.12 Key set Checking calculation ……………………………………………………… 3 BEVEL GEAR DESIGN CALCULATION ……………………………………………… 3.1 Materials selection for gears (spur gear reducer). Admissible stresses calculation 3.2 Design calculation of bevel gear …………………………………………………….. 3.3 Checking calculation of the gear …………………………………………………….. 4 COURSE WORK ASSIGNMENT ………………………………………... REFERENCES ……………………………………………………………….