Discussion on the accuracy of CNC machine tools during the design phase
CNC machine tools have higher requirements compared to ordinary machine tools, not only require high precision, high rigidity, high speed and low friction, but also require high reliability and high precision. The reliability determined by CNC machine tool producers as a function of the design, the manufacturing process of CNC machine tools and the choice of materials, materials and the selection of outsourcing parts have become the inherent degree of reliability CNC machine tools. The inherent reliability of the CNC machines indicates the reliability of the internal attributes of the CNC machine, which is mainly determined by the design level and the manufacturer’s manufacturing level. Inherent reliability determines the quality of CNC machines. The stability of CNC machine tools is designed to a large extent.
In the design phase, we must first understand the total function of CNC machines to design, and analyze the main functions and the auxiliary functions configured to help perform the main functions; is offered. , Creative ideas, considering the real and existing technical level of the company and the search for principles of reasonable functional solution; , economic and principles to determine the principles of CNC machine tools.
During the design phase, it is also necessary to collect fault data and reliability test of similar CNC machine tools. .
The global design of the structure of the CNC machine is the structure of the design of the principle. To improve the overall performance of CNC machine tools, we have to start with the configuration and arrangement of various components of the tooltip, reasonably arrangement of each subsystem and components, simplify the mechanical structure as much as possible, strengthen control reasonable of the CNC machine-tool and improve the rigidity of the entire machine tool.
The structure of the machine-tool determines the rigidity of the tool-tool and the rigidity of the machine tool determines the accuracy of the Machines-Toutils CNC. The overall arrangement of the tooltip, the design of the infrastructure structure and the selection of bearings require high rigidity. The manufacture and use of users must be considered globally during design.
In addition, the accuracy of CNC machine tools is linked to its overall parameters (such as performance parameters, motion parameters, size parameters and power parameters, etc.). Machine tool. Internal designers must consider the impact of changes in global parameters on the accuracy of CNC machines. For example, resistance to insulation of the insulation between the lacquer bag in the engine coil wrapping the insulation layer of the lacquer bag changes, and the harmonic component appears in the electromagnetic outlet torque[2]。
The power parameters (output torque) The inlet of the change of electromechanical system, and the transmission of the transmission system of the CNC machine (in particular the internal connection transmission system) changed the precision of the movement of the CNC Machine CNC , which leads to the worst precision of its precision. (Following)
Daguang focuses on providing solutions such as precision CNC machining services (3-axis, 4-axis, 5-axis machining), CNC milling, 3D printing and rapid prototyping services.
