2.1.2 Functions of CNC system The function of CNC system refers to the methods and means to meet the requirements of user operation and machine tool control. The functions of NC system include basic functions and selection functions. No matter what occasion the CNC system is used for, the basic functions are all necessary CNC…
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2.1.1 Overall structure of CNC system To process parts on a CNC machine tool, first, a processing program must be prepared according to the geometric data and process data of the parts to be processed in accordance with the specified code and program format, and then the program instructions are input into the CNC system…
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1.5.1 Requirements for safety production of CNC machine tools Table 1-10 safety production of CNC machine tools Series Number Safety production requirements Details 1 Technical training Before using the equipment independently, operators shall be trained in the basic knowledge, technical theory and operation skills necessary for the application of CNC machine tools; Practice computer training…
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1.4.2 Development of CNC machine tools in China Numerical control machine tool is a kind of product with high electromechanical integration. It introduces digital control on the basis of traditional machine tool, which changes the operation based on workers’ experience into digital and reproducible automatic operation. It has good processing flexibility, high processing accuracy, high…
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1.3.1 Characteristics of CNC machine tools CNC machine tools are electromechanical integrated machine tools based on electronic control, which give full play to the unique advantages of microelectronics and computer technology. They are easy to realize informatization, intelligence and network training, and can easily form various advanced manufacturing systems, such as flexible manufacturing system (FMS)…
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1.2.2 CNC machine tool working process When CNC machine tools are machining parts, the machining information such as the geometric data and process data of the workpiece must be compiled into the CNC machining program of the part according to the specified code and format, which is the work order of the CNC machine tool.…
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1.2.1 Composition of CNC machine tools A CNC machine tool is a machine tool that uses CNC technology to implement processing control. It is a typical product of mechatronics. It is an automation device that integrates machine tools, computers, motors and their driving, motion control, detection and other technologies. CNC machine tools are generally composed…
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Die Casting Process Details The die-casting process cycle is shown in Figure 1-3, and the engineering drawing that describes the die-casting process in detail is shown in Figure 1-4. Die casting can be divided into two categories: hot chamber die casting machine pressure casting and cold chamber die casting machine pressure casting. Among them, cold…
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What is CNC Machine Ordinary machine tools have a history of nearly 200 years. Traditional machining is composed of basic machining methods such as turning, punching, cutting, planing, grinding and drilling. Around different processes, people use lathes, punching machines, cutting machines, planing machines, grinding machines, drilling machines, etc. With the development and comprehensive application of…
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Die casting principle Since the 1920s, many people have done more in-depth research on the pressure rotation principle, and there have also been a series of relevant theoretical systems named after the proposer. These theoretical systems are mainly Barton theory, Brandt theory and so on. In the process of die casting, metal filling is an…
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Manufacturing Shell Of Investment Casting There are two types of materials used to manufacture the shell. One is used to directly form the shell, such as refractory, binder, etc; The other is to obtain high-quality shell, simplify operation and improve process materials, such as flux, hardener, surfactant, etc. 1) Refractory At present, the refractories used…
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Analysis of Air Bubble in Zinc Alloy Die Castings A major and frequent defect (blistering) of zinc alloy die castings has plagued many die casting practitioners and die casting processing enterprises. At the same time, wrangling between raw material suppliers and die-casting companies, polishing and electroplating companies, and small company departments sometimes occurs. Zinc alloy…
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