Abstract
The paper deals with the automation of the hydroabrasive production process, which leads to higher productivity and production optimization. In the submitted work, the basis of control design is a topography function of surface roughness of abrasive waterjet cut walls, and its functional relations to the controlled speed and to the measured mean values of sound pressure level, including a design of a suitable diagram of connections of controlling elements and equipment. The controlled parameter is the final roughness of a cut wall; in the design, the roughness is program-regulated according to the continuously measured root mean square of sound pressure level by means of continuous control of the traverse speed of cutting head.
Highlights
At present, requirements for the performance and ecological factors of machining highstrength and high-hardness materials continuously grow
The paper aimed to introduce a method of measurement and control of surface quality in the course of abrasive waterjet cutting of material
For the measurement of basic geometric properties of the topography of surfaces newly generated by the AWJ technology, a measuring apparatus was successfully designed, manufactured and tested
Summary
Requirements for the performance and ecological factors of machining highstrength and high-hardness materials continuously grow. This is a highly topical technology just owing to its universality, environmental friendliness and many other properties influencing positively the machining process. Potential users clearly considered the strong points of the water jet cutting compared to other processing possibilities
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