The installation for processing of parts with a complex profile of working surface

Introduction. The article presents new solutions for designing the equipment for final processing parts with a complex profile of working surface. The said solutions allow a planetary rotation of the part at a small center distance of the mandrel with the workpiece and the spindle of the installation. This solution improves the quality of the working surfaces and reduces energy costs. Materials and Methods. The disadvantage of modern devices for final processing of complex parts is the increased energy consumption and the large axial distance between the part and spindle. These factors reduce the quality of processing and the part range in terms of weight and dimension characteristics. The application of new solutions to change the design of the installation is relevant. When designing a new installation, the center distance between the part and the spindle was reduced. This contributed to the reduction of vibrations, improving the quality of surface treatment and increasing the product range. Results. The calculations to reduce the resistance of the abrasive medium affecting on the surface of the diesel engine turbo-compressor wheel blades confirmed the expediency of the solution. The calculations of the part for deflection by using Solid Works 2016 software were carried out. The calculations demonstrated the reliability of the installation when processing parts of medium and large sizes as compared to the basic installation option previously made by Penza State University for Penzadieselmash Company. Conclusions. The calculations made it possible to find that the reduction of the center distance reduces the deflection of parts and vibration in the process of finishing and allows stabilizing the quality and performance of processing the surfaces of a complex profile with less energy coast. A new design of the installation was developed and manufactured. It contributes to planetary rotation of the part at a small axial distance of the mandrel with the part and the spindle of the device.