This paper describes the design and development of a Semi-Automatic Precision Caliper System to measure the thickness of an outboard marine engine propeller blade.Several commonly used methods for measuring the thickn...This paper describes the design and development of a Semi-Automatic Precision Caliper System to measure the thickness of an outboard marine engine propeller blade.Several commonly used methods for measuring the thickness of a propeller blade are reviewed in this paper.These include the P rops Scan,3D Vision System and Black Dog.However,the operating practices and availability of different facilities in industry necessitate a more cost-effect ive approach.An alternative method using a Semi-Automatic Precision Caliper S ystem is therefore proposed.Details of the design criteria,principles of oper ation as well as the testing and verification of the system are presented.The paper concludes that the Semi-Automatic Precision Caliper System is a low cost and effective method for measuring the thickness of a propeller.展开更多
文摘This paper describes the design and development of a Semi-Automatic Precision Caliper System to measure the thickness of an outboard marine engine propeller blade.Several commonly used methods for measuring the thickness of a propeller blade are reviewed in this paper.These include the P rops Scan,3D Vision System and Black Dog.However,the operating practices and availability of different facilities in industry necessitate a more cost-effect ive approach.An alternative method using a Semi-Automatic Precision Caliper S ystem is therefore proposed.Details of the design criteria,principles of oper ation as well as the testing and verification of the system are presented.The paper concludes that the Semi-Automatic Precision Caliper System is a low cost and effective method for measuring the thickness of a propeller.