3 Main Types of Copying Machines | Industries | Engineering
The following main types of copying machines used in the industries. The types are: 1. Mechanical Type 2. Hydraulic System 3. Electric System. Type # 1. Mechanical Type: These work on the principle of the pantograph. Fig. 33.5 shows an arrangement of producing involute shape on grinding wheel which will be used for finishing gear teeth. An important condition for [...]