MM Unit 2

MM Unit 2

LINEAR AND ANGULAR MEASUREMENTS

Linear Measuring Instruments 
     – Types
     - Vernier Caliper
          - Vernier Height Gauge
          - Vernier Depth Gauge
     - Micrometer
         - Inside Micrometer
         - Depth Micrometer
         - Thread Micrometer
         - Stick Micrometer
         - V anvil micrometer
         - Blade type micrometer
         - Bench micrometer
         - Groove micrometer
         - Digital micrometer
     - Slip Gauges
     - Comparators
          - Mechanical Comparators
               -Dial indicator
                 - Reed type mechanicalcomparator
                 - The Sigma comparator          
          - Electrical comparators
          - Electronic comparators
          - Optical comparators
          - Pneumatic comparators
          - Fluid Displacement comparators
Limit gauges
     – Plug Gauges
     – Ring Gauges
     – Snap Gauges
     – Applications of limit gauges

1. Thread pitch gauges

2. Form or profile gauges

3. Screw pitch gauges

4. Radius and fillet gauges

5. Feeler gauges
6. Wire gauge

     – Gauge design & design procedure
Concepts of interchange ability and selective assembly
Angular measuring instruments & Types
     - Protractor, Vernier bevel protractor & Optical bevel protractor
     - Angle gauges 
     - Sine bar, Sine Centre and Sine Table
     - Spirit Level
     - Clinometer
     – Auto-Collimator & its applications
     - Angle Dekkor & its use

Download Links

Study Material 1: Unit 2 - Linear Measuring Instruments

Study Material 2: Unit 2 - Limit Gauges and it's design

Study Material 3: Unit 2 - Angular Measuring Instruments