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Mechanical Drawing and Design N6
L. Maraschin · e-book
R225.75 incl. VAT
Printed copy: R491.41 incl. VAT.
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About this book
The NATED N6 textbook for Mechanical Drawing and Design. By L. Maraschin, published by Hybrid Learning Solutions.
- Level: N6
- ISBN (e-book): 978-1-928367-29-1
- ISBN (print): 978-1-928515-62-3
- Pages: 302
What the book covers
The topics in this book include:
- Module 1: Flat belt drives; Open drives; Crossed drives; Vee belt drives; Effective diameter; Velocity ratio; Belt velocity; Angle of contact (also wrap and lap).
- Module 2: Fenner belt catalogues.
- Module 3: Hub or boss; Number of arms; Rim thickness for gear wheels; Rim thickness for pulleys; Width of pulleys; Crown on flat belt pulley; Bending moments on pulleys; Bending moments on gearwheels.
- Module 4: Gear tooth terminology; Centre distance between gears on parallel shafts; Simple gear trains; Compound gear trains; Strength of spur gear teeth (Lewis Formula); Velocity factors; Gear materials; Form factors.
- Module 5: Materials; Standard shift sizing; Twisting of shafts; Bending of shafts; Effect of pulleys on the shaft; Effect of gears on the shaft.
- Module 6: Bearing materials; Loads on bearings; Cooling of bearings; Journal bearings; Footstep bearings; Conical footstep bearings; Collar bearings.
- Module 7: McKee equation; Lasche equation; Properties of lubricating oil.
- Module 8: Ball bearings; Roller bearings; Types of rolling element bearings; Loads on bearings; Selection of bearings using a catalogue.
- Module 9: Uniform wear and uniform pressure theory; Plate clutches; Multi plate clutches; Cone clutches; Engagement and disengagement forces; Centrifugal clutches; Spring rating.
- Module 10: Rankine Gordon; Slenderness ratio; End fixation; Empirical formula (straight line).
- Module 11: Defining cams; Types of cams according to follower motion; Types of cams according to their shape; Followers; Movement of the follower.
- Module 12: The failure of materials; Fracture; Fatigue; Creep; Corrosion; Factor of safety; Types of loading; Bending moments.
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