Angle Dekkor

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Prepared by,
Mr. S. B. Kamble
Department of Mechanical Engineering
Sharad Institute of Technology, College of Engineering, Yadrav
Angle Dekkor
Subject – Metrology and Quality Control

2. Angle Dekkor
Working Principle
Working Process
Applications
Image Source- Internet

3. Working Principle of Angle Dekkor
Focal Plane Collimating lens Reflector
Point
Source
It is type of Autocollimator
Used for Measuring Small Variations
in Angular Setting

4. Working Principle of Angle Dekkor
Focal Plane Collimating lens Reflector
Point
Source
Ɵ
2Ɵ

5. Working Process of Angle Dekkor
Lamp
Prism
Microscope
Eyepiece
Glass Screen
(Graticule)
(In focal plane of
Objective Lens)
Illuminated
Screen
Datum Scale
Collimating
Objective Lens
Work-Piece

6. Actual Setup of Angle Dekkor
Image Source- Internet
Eyepiece
Light
Indusing
Adjustable
Link Angle
Gauges
Polished Reflector
Component
to be tested
Surface
Plate

7. View in the eye piece of Angle Dekkor
Image Source- Internet

8. Reading of Angle Dekkor
Zero Reading with angle gauge built up Reading with component
Position error = 40-20
= 20 div
= 20 min
Image Source- Internet

9. Applications of Angle Dekkor
 Measuring angle of a component
 Checking the slope angle of a V-block
 To measure the angle of cone or Taper gauge

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