Machine Drawing & design

機械工程專業學生的機器製圖和設計說明。

Machine drawing & design notes for mechanical engineering students. Machine drawing & design app almost covers important topics chapter wise :-

Chapter : 1

Drawing conventions; drawing and dimensioning IS codes, sectional views and sectioning, surface finish

and tolerances, representation of machine parts such as external and internal threads, slotted heads, square

ends, and flat radial ribs, slotted shaft, splined shafts, bearings, springs, gears. Rivet heads and Riveted

joints, types of welded joints and representation.

Chapter : 2

Assembly Machine Drawing: Basic concept, plotting technique, assembly and blow up of parts, bill of

materials, product data; Cotter and Knuckle joints, pedestal and footstep bearings, crosshead, stuffing

box, IC engines parts - piston and connecting rods; lath machine parts.

Chapter : 3

Introduction to Compute Aided Drafting software for 2D and 3D Modeling, Basic design

concepts, design process, stages/phases in design, flowchart, problem formulation, design

considerations (strength, manufacturing, maintenance, environment, economics and safety); design for

recycle and reuse, Design and safety factors for steady and variable loads, impact and fatigue

considerations, reliability and optimization, standardization in design..

Chapter : 4

Design of components subject to static loads: riveted joints, welded joints threaded joints, pin, key

knuckle, and cotter joints