P710 Geometrical and Mechanical Drawing

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Part 1. Applied Geometry

(1) Practical plane and solid geometry, including inclined and oblique planes.

(2) Orthographic, oblique, axonometric and isometric projections including isometric scale.

(3) Intersection of planes and solids. Interpenetration of solids. Development of surfaces.

(4) Construction of loci and application to practical examples such as tracery or simple mechanism.

(5) Conic sections, cycloid, epicycloid, hypocycloid, involutes and similar curves. The helix and its application to the drawing of screw threads and springs.

(6) Graphical representation of vector quantities. Determination of forces and moments in structures by graphical and numerical methods. Simple three-dimensional structures. Bending moment and shearing forces diagrams.

Paper 2. Geometrical and Mechanical Engineering Drawing

The preparation of working drawings and assemblies from dimensioned sketches based on the following:

(1) Fastenings (nuts, bolts, studs, keys, cotters, pins, locking devices).

(2) Rigid and flexible joints.

(3) Screw threads: their projection and the proportions of standard types, profiles and the proportions of spur gear teeth; conventional methods of drawing gearwheels.

(4) Transmission of motion and power, bearings, supports, shafts, coupling and clutches.

(5) Pressure transmission joints, pressure packing.

(6) Constructional details of prime movers and simple machine tools.

(7) The use of reference points and planner in dimensioning machining and surface texture symbols.

(8) Tolerance dimensions involving the use of Data Sheet ISO 4500 Recommendations.