Automotive Manufacturing Cutting System Engineering and Applications (3)

Development and application of cutting system engineering

Since machining is a system problem, it can only be analyzed and processed using system perspectives and methods. Systems engineering is an emerging comprehensive discipline that has developed over the past 30 years. It focuses on the use of systemic perspectives and systems to deal with complex engineering, research, and production tasks. In view of the fact that the theory and method of systems engineering are also in the process of research and development, and applied to the field of cutting, there are many problems to be answered and solved. It is necessary to develop new theories and methods to carry out continuous exploration. And work hard.

The cutting system engineering belongs to the large discipline of system engineering, but it is a specialized sub-discipline formed for the application of cutting process, so many methods will be unique in the field of cutting. In order to make the cutting process truly efficient, it is necessary not only to carry out theoretical discussions, but also to analyze and apply it in the perspective of achieving the goal of cutting and achieving high-volume and flexible high-efficiency machining. Therefore, the innovation of concepts and methods must be Indispensable.

Whether it is in process planning and design, on-site technical support and production management, or in tool design, tool manufacturing, tool sales, tooling, or analytical tool-related machining problems, it must be analyzed from a system perspective. solve. This requires us to have knowledge of the machining system engineering, understand the various subsystems in the system, and apply the system engineering method to obtain the overall solution to the machining problem.

Application system method to analyze and solve cutting problems

Through the use of system engineering, it is possible to apply limited human, material and financial resources to the correct direction and solve the problems in cutting.

1. Recognize the system characteristics of cutting

1 System integrity: Machining is a complete system, so the concept of the system must be established when solving the problem, considering its integrity.

2 System Correlation: The cutting system is a multi-variable multi-input system. The internal parts are closely connected and interact with each other. It is necessary to analyze and solve the machining problems on the basis of comprehensive consideration.

3 System dynamics: You can't look at the problem statically, but you need to do dynamic analysis.

Pay attention to the interfaces and connections of each subsystem, deeply understand each subsystem and follow the objective laws of its operation, and strive to make the system in a controlled state.

2. Always hold the system's point of view

1 Rigidity: refers to the rigidity of the entire system of machine tools, fixtures, workpieces and tools, rather than the rigidity of the isolated machine itself.

2 Bounce: It is the beating of the tool on the main shaft, not only the beating of the tool itself; it is the dynamic runout during the movement of the machine, not just the static runout during the stop of the machine.

3 Efficient processing: The efficiency of the strong adjustment strip production line is not only the efficiency of a single process or a single piece of equipment.

4 Manufacturing costs: It is also the comprehensive cost of the system. The comparison under the same caliber and conditions is the cost from the overall and long-term trade-offs.

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