book

Machine Drawing

by N. D. Junnarkar

October 2006

Intermediate to advanced

534 pages

11h 38m

English

Pearson India

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1.1 Drawing1.2 Drawing InstrumentsReview Questions
2.1 Lines2.2 Lettering2.3 Scales2.4 Keeping Drawings NeatReview Questions
3.1 Projections3.2 Isometric Projection3.3 Procedure for Preparing a Scale-drawingReview Questions
4.1 General Principles4.2 Functional and Non-functional Dimensioning4.3 Placing of Dimensions4.4 Method of Execution4.5 Inscription of Dimensioning4.6 Arrangement of Dimensions4.7 Method of Dimensioning Common FeaturesReview Questions

5.1 General Discussion5.2 Engineering Materials5.3 Ferrous Materials5.4 Non-ferrous Materials5.5 Non-metallic MaterialsReview Questions
6.1 Manufacturing ProcessesReview Questions
7.1 Surface Roughness7.2 Limits, Fits, and TolerancesReview Questions
8.1 General Discussion8.2 Conventional Representation of Machine PartsReview Questions
9.1 Screw Fasteners9.2 Bolts9.3 Nuts9.4 Screws9.5 Types of Nut Locking ArrangementsReview Questions
10.1 General Discussion10.2 Pipe Joints10.3 Pipe Fittings10.4 Pipe Layouts and RepresentationReview Questions
11.1 General Discussion11.2 Keys Joints11.3 Cotter Joints11.4 Pin Joint or Knuckle JointReview Questions
12.1 General Discussion12.2 Rivets and Riveting12.3 Welding and Welded JointsReview Questions
13.1 Pulleys13.2 Types of PulleysReview Questions
14.1 Couplings14.2 Fast or Rigid Couplings14.3 Loose or Disengaging Coupling14.4 Flexible CouplingsReview Questions
15.1 Gears15.2 Spur Gears15.3 Tooth Proportions15.4 Involute Spur Gears15.5 Construction of Base CirclesReview Questions
16.1 Computer Aided Drafting (CAD)16.2 Advantages of Computer Aided Design and Drafting16.3 CAD Software16.4 Working with AutoCADReview Questions
2. Drill Machine Vice3. Crane Truck4. Pipe Holding Device5. Screw Operated Lifting Machine6. Lifting Machine Hook7. Tool Carrier8. Shaping Machine Tool Holder9. Elastic Film Regulator10. Connecting Rod for Small Engine11. Connecting Rod for Big Engine12. Spark Plug13. Variable Supply Fuel Pump14. Fuel Injector15. Job Holding Device16. Force Pump17. Feed Check Valve18. Flow Check Valve19. Blow off Cock20. Stop Vlave21. mm Stop Valve22. Screw Down Stop Valve23. Plunger Type Stop Valve24. Automatic Valve25. Safety Valve26. Air Injection Valve27. Full Bore Safety Valve28. Flow Regulator29. Strainer30. Ship Rudder Bearing31. Universal Coupling Type I32. Jig33. Universal Coupling Type II34. Clamping Fixture35. Non-Return Valve36. Diaphragm Regulator37. Gate Valve38. 3-Jaw Chuck39. Water Circulating Pump40. Manual Drilling Machine

Content preview from Machine Drawing

Chapter 13 Pulleys

This chapter contains information about pulleys

After reading the chapter you will be able to

understand the application of pulleys
indentify various types of pulleys
understand assembly drawings of pulleys

13.1 PULLEYS

Pulleys and gears are used for transmission of power from one shaft to another by means of belts or through direct contact. They are made of castiron, wroughtiron, steel, wood, or plastic.

A pulley may be cast in one piece or may be builtup from separate parts. The three parts of a belt pulley are-—hub or boss, the arms, and the rim as, shown in Fig. A13.1.

Fig. A13.1 Belt pulley with straight arms ...