The hydraulic system is an indispensable system for people engaged in industrial production. For such product testing, three coordinates are often required.
Articles cast with hot metal are collectively referred to as cast iron. There are many methods for classification of cast iron, which can be classified according to the use performance and composition characteristics of cast iron. According to the properties of cast iron, it can be divided into: cast iron for engineering structural parts and special performance cast iron
This case is a component of the engine on a motorcycle: the front cover. According to the requirements of the drawing, it is mainly to measure some positions, perpendicularity, and flatness; the measurement method in this case is also applicable to machined parts that use the 321 method (face circle) to establish a coordinate system.
The structure of modern aircraft aviation parts is complex, the parts are various, and the quality requirements for the manufacture of aircraft parts are extremely high. The structural features of typical aircraft parts are thin-walled structures, complex shapes, large oblique angle changes, and mostly hyperbolic shapes.