Uint 2 jigs and fixtures
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Uint 2 jigs and fixtures
- 1. S.DHARANI KUMAR Asst.professor Department of Mechanical Engineering Sri Eshwar college of Engineering ,Coimbatore. UNIT-2 JIGS AND FIXTURES
- 2. • Jig body • Jig feet • Drill bush • Jig plate • Locators • Clamps ELEMENTS OF A JIG
- 3. ELEMENTS OF A JIG
- 4. Types of jigs • Boring Jig • Drill Jig • Template Jig • Plate Jig • Sandwich Jig • Latch or Leaf Jig • Channel Jig • Box Jig • Post jigs or Angle plate Jig • Angular post Jig • Turnover jig or Table type Jig • Pot Jig • Solid Jig • Trunnion Jig • Indexing Jig • Universal Jig • Pump Jig • Multi Station Jig
- 5. Boring Jig
- 6. Drill Jigs
- 10. Plate Jigs
- 12. Sandwich Jigs
- 13. Latch or Leaf Jigs
- 15. Channel Jigs
- 17. Box Jigs
- 19. Post Jigs • Vertical position of Post • Horizontal position of Post
- 20. Vertical position of post
- 21. Horizontal position of Post
- 23. Turnover Jigs or Table Type Jigs
- 24. Pot Jigs
- 25. Solid Jigs
- 26. Trunnion Jigs
- 27. Indexing Jigs
- 28. Pump Jigs
- 30. Automatic Drill Jigs Mechanical Pneumatic or Air operated Hydraulic operated
- 31. Rack and Pinion Operated Drill Jigs
- 32. Air Operated Drill Jigs
- 33. TYPES OF FIXTURES • Plate Fixtures • Angle Plate Fixtures • Vice –jaw Fixture's • Multi station fixtures • Profiling Fixtures
- 34. Plate Fixtures • Fixture is made from a flat plate that has variety of clamps and locates to hold and locate the part . • Simplicity of this fixtures makes it useful for most machinery operations . • Plate fixtures are designed to machine larger, heavier parts than vise-held fixtures.
- 35. PLATE FIXTURE
- 36. Designing a plate fixture 1. The part is rough casting approximately. 2. The approximate wall thickness . 3. The part has no prior machining. 4. The material is cast aluminum. 5. The operation required is to gang milling the surface. 6. The fixture is for production run. 7. The blank is received in it cast condition .
- 37. Designing an angle plate fixture 1. The part is rough casting approximately. 2. The part has a machined base with four 10 mm holes. 3. The material is specified is a cast brass. 4. The fixture is for production run. 5. The operation required is boring. 6. The part received for this operation has been milled and drilled on the bottom surface. 7. The part has a cored hole of 20 mm diameter approximately .
- 39. TYPES OF FIXTURE BASED MACHINE AND OPEARATION • Turning Fixture • Milling Fixture • Boring Fixture • Broaching Fixture • Grinding Fixture • Assembly Fixture • Inspection Fixture • Welding Fixture • Modular Fixture systems • Quick change Fixtures
- 40. LATHE OR TURNING FIXTURE • Faceplate Turning Fixture • Built Up Turning Fixture
- 42. Built Up Turning Fixture
- 44. MILLING FIXTURE • Plain Milling Fixture • Line Milling Fixture • Gang Milling Fixture • Key-way Milling Fixture • Indexing milling fixture
- 51. BORING FIXTURE • Stub bar Boring • Single - Piloted bar Boring • Double - Piloted bar Boring
- 52. Single - Piloted bar Boring
- 53. Double - Piloted bar Boring
- 54. BROACHING FIXTURE • Key-way Broaching Fixture • External Surface Broaching Fixture
- 56. External Surface Broaching Fixture
- 57. SHAPING FIXTURE • Internal Keyway Cutting Fixture • Slot or External keyway Cutting Fixture
- 58. Internal Keyway Cutting Fixture
- 59. Slot or External keyway Cutting Fixture
- 60. PLANING FIXTURES
- 61. WELDING FIXTURE • Tack Welding Fixture • Butt Welding Fixture • Wing Nut Welding Fixture • Angle Frame Welding Fixture
- 63. Wing Nut Welding Fixture
- 64. Angle Frame Welding Fixture
- 66. INSPECTION FIXTURE-non dial type
- 67. GRINDING FIXTURE • Cylindrical Grinding Fixture 1. Taper mandrel 2. Straight mandrel 3. Combined taper and straight mandrel • Surface Grinding Fixture 1. Magnetic chuck 2. Angle plate fixtuers
- 70. 1.Taper mandrel
- 71. 2.Combined taper and straight mandrel
- 74. 1.Magnetic chuck
- 77. 2.Vaccum chuck
- 78. MODULAR FIXTURING SYSTEMS • Sub - Plate System • T - Slot System • Dowel Pin System
- 79. Sub - Plate System
- 80. T - Slot System
- 81. Dowel Pin System
- 83. MODULAR FIXTURING-up –thrust clamp
- 84. MODULAR FIXTURING-screw edge clamp
- 85. MODULAR FIXTURING-pivoting edge clamp
- 86. MODULAR FIXTURING-cam edge clamp
- 87. MODULAR FIXTURING-ball element clamp
- 89. ASSEMBLY FIXTURE • Universal fixtures • Special purpose fixtures