Bevel Protractor
Description
A Bevel Protractor is a precision measuring instrument used to measure and set angles accurately in mechanical and fitting work. It consists of a graduated circular scale and an adjustable blade that can be set at any desired angle. Bevel protractors are widely used in workshops, machining, and inspection tasks for accurate angular measurements.
Uses
- Measuring angles of components and surfaces.
- Setting angles for machining and fabrication.
- Checking bevels and chamfers.
- Inspection of angular accuracy.
- Used in fitting and tool room work.
Parts of Bevel Protractor
- Base: Provides support and reference surface.
- Blade: Adjustable arm for measuring angles.
- Graduated Scale: Shows angle readings.
- Vernier Scale: Provides fine measurement accuracy.
- Locking Screw: Fixes the blade at a desired angle.
Material
- Hardened stainless steel
- Precision engraved scales
- Steel blade and components
Shape
A Bevel Protractor has a circular or semi-circular scale with a long adjustable blade attached at the center. The blade can rotate freely and be locked at any angle, allowing precise measurement and marking.
Safety Precautions
- Handle carefully to maintain accuracy.
- Keep clean and free from dust.
- Avoid dropping or mishandling.
- Store in a protective case.
- Calibrate regularly for accurate readings.
Conclusion
The Bevel Protractor is an essential measuring instrument for accurate angular measurement and layout work. It ensures precision in machining, fitting, and inspection operations.