This book is compiled according to the requirements of technical skills and theoretical knowledge for the advanced lathe worker in the revised national vocational qualification standard. This book introduces four modules, including machining long lead screw and worm, eccentric parts and multi-throw crankshaft, machining gearbox, and machining assembly, with tasks and subtasks in each module, with regard to the workpiece diagram recognition, processing analysis and calculation of various parts, such as long lead screw, multi-start thread, multi-line worms, double eccentric parts, four-throw crankshaft, gear reducer, worm gear reducer, bevel gears, bisector parts, mold, combined shaft and kit, as well as their clamping and positioning methods, processing methods, dimensional and geometric accuracy test methods, surface quality assurance methods, common quality problems and preventive measures or solutions, etc. This book can be used as a teaching book for mechanical, mechatronics,etc. application-oriented undergraduates in higher vocational colleges, as well as a reference book or skill training book for relevant technicians.
作者简介：
章节目录：
Module One Machining Long Lead Screw and Worm 1 Task 1 Machining Long Lead Screw 1 Subtask 1 Lead Screw Processing and Test 1 Subtask 2 Turning Long Lead Screw 11 Task 2 Machining Multi-start Thread and Multi-line Worms 21 Subtask 1 Machining Multi-start Thread 21 Subtask 2 Machining Multi-line Worms 31 Module Two Machining Eccentric Parts and Multi-throw Crankshaft 43 Task 1 Machining Double Eccentric Parts 43 Subtask 1 Machining Double Eccentric Sleeve 43 Subtask 2 Turning Coaxial Double Eccentric Shaft and Reverse Double Eccentric Sleeve 52 Task 2 Machining Four-throw Crankshaft 67 Module Three Machining Gearbox 90 Task 1 Machining Gearbox Body 90 Subtask 1 Machining Gearbox Hole 90 Subtask 2 Measuring Gearbox Size 96 Task 2 Machining Worm Gear Housing 106 Task 3 Machining Bevel Gears 113 Module Four Machining Assembly 122 Task 1 Machining Bisector Parts 122 Subtask 1 Machining Bearing Bush 122 Subtask 2 Machining Split Bearing Seat 127 Task 2 Machining Mold 134 Subtask 1 Machining Cylinder Mold 134 Subtask 2 Machining Gear Mold 143 Task 3 Machining Shaft and Kit Combination 147 Subtask 1 Machining Tri-eccentric Shaft Sleeve 147 Subtask 2 Machining Cone Eccentric Four-item Assembly 159 References 174
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