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First, the tool compensation proposed: Using an end mill to machine a workpiece on a CNC machine tool, it can be clearly seen that the tool center movement gauge does not coincide with the contour of the workpiece. This is because the workpiece contour is formed by the movement envelope of the end mill. The center of the end mill is called the cutter location (4, 5 coordinate CNC machine tool is called cutter location vector), and the movement track of the cutter location represents the tool's...
Abstract: The machining program is in an extremely important position in the operation of CNC machine tools. The article proposes to evaluate the machining program from aspects such as parts processing quality, programming and running costs, production efficiency, etc., and proposes the CAM for the status of CAM post-processing functions. The preparation of the machining program is optimized. Keywords: CNC machine tool; machining program; evaluation; optimization 1 Introduction The CNC machine...
The mold has the characteristics of complex structural profile, high precision requirements, high hardness of the materials used, and short manufacturing cycle. Mold manufacturing is a complex production process with tight production cycles and high technical requirements. Each mold is a new project with different structural features. Therefore, the technical level of machining is highly demanded. The traditional machining technology and equipment have certain limitations, the process level is...
The cutting of small pitch thread is mainly completed by the fixed cycle program of the CNC machine. The feeding mode includes vertical feed, lateral feed and alternate feed. The vertical feed lateral feed is alternately fed. The defect is that the blade is unevenly stressed during cutting and is easy to vibrate. As the amount of back-feeding knife increases, the cutting area gradually increases. When the tool tip approaches the large diameter of the thread, the tool is subjected to the...
Due to the complexity of CNC machining (such as different machine tools, different materials, different tools, different cutting methods, different parameter settings, etc.), it is decided to engage in CNC machining (whether machining or programming) to reach certain The level must pass a relatively long period of time. This manual is summarized by the engineers of the laboratory in the long-term actual production process. Some aspects related to the numerical control machining process, the...
Beijing Fanaco Electromechanical Co., Ltd. (100085) CNC is the basic technology of advanced manufacturing technology. CNC machining has shown great advantages in modern production. For modern manufacturing, CNC machines are ideal for parts that are complex, precise and small in size. Or ordinary ordinary machine tools simply cannot meet this requirement. Even the profiling machine and the combined machine tool can't solve the contradiction between high precision and small batch. Therefore, CNC...
According to the processing type of the CNC punching machine, the corresponding algorithm is selected and converted into NC machining code. The graphics and processing data corresponding to each different processing mode are different, and the converted NC code is also different. For the different processing modes of human-computer interaction input, the corresponding NC code conversion comparison table is established, and according to this table, respectively. The NC code conversion processing...
RYH are focus on CNC machining, CNC milling, CNC turning etc, we have professional machine and technology member to provide customized services for clients all over the world. Manual programming, including session programming in the machine, depends on the level of the person, while automatic programming depends on the function and function of the programming software. The choice of programming method depends on the complexity and economy of the object being processed. The program input method...
Beijing Fanaco Electromechanical Co., Ltd. (100085) CNC is the basic technology of advanced manufacturing technology. CNC machining has shown great advantages in modern production. For modern manufacturing, CNC machine tools are very suitable for complex, precise and small-sized parts. Or ordinary ordinary machine tools can't meet this requirement at all. Even profiling machine tools and modular machine tools cannot solve the contradiction between high precision and small batches. Therefore,...
Under the condition of stiffness, the roughing process takes a larger cutting depth to reduce the number of passes and increase the productivity of the workpiece; the finishing generally takes a smaller depth of cut to obtain a higher surface quality. Influencing the final machining accuracy and machining efficiency of the workpiece, in addition to the reasons of the CNC machine itself, it should also be based on reasonable machining route setting, tool selection and correct installation,...
When the milling head is used to connect the milling groove to the milling machine, the calculation formula of the hanging wheel is: i=z1/z2×z3/z4=40P/L=40P/Dπcotβ Where i is the gear ratio between the indexing head spindle and the table longitudinal feed screw; Z1, z3 - the number of active hanging gears; Z2, z4 - the number of teeth of the passive hanging wheel; 40 - the number of divisions; P——Workpiece screw pitch, P=6mm; L——the workpiece lead; D——the outer diameter of the workpiece; β——The...
In recent years, the technology development of horizontal boring and milling machines and floor-milling boring machines at home and abroad has been very fast. Its characteristics are that the product structure is constantly updated, new technology applications are emerging, the process performance is compounded, the speed and efficiency are continuously improved, and the fine manufacturing is highlighted. The development of horizontal boring and milling machines has attracted much attention due...
Improvement direction of domestic CNC machining centers With the continuous improvement of social productivity, people's performance requirements and use requirements for production tools are also getting higher and higher. In the past, metal machining was mainly based on ordinary machine tools . The machining accuracy of the workpiece was closely related to the operator. However, with the popularity of CNC machine tools , the machining accuracy of the workpiece does not depend on people, but...
Due to the complexity of CNC machining (such as different machine tools, different materials, different tools, different cutting methods, different parameter settings, etc.), it is determined that CNC machining (whether processing or programming) reaches a certain level, It must take a long time. Q: How to divide the processing operations? A: The division of CNC machining processes can generally be performed according to the following methods: (1) The method of tool centralizing and dividing is...
The traditional thread machining methods are mainly: the external thread is turned with a thread turning tool, and the thread profile can be cut out by multiple passes while working, and the production efficiency is low; the internal thread adopts tap tapping, and the thread bottom must be put into operation. The hole is machined and then the tool is changed for machining. The auxiliary time is long. With the development of numerical control technology, the machining methods of CNC milling...
The structure model of the multi axis CNC machining center was introduced. The multi-axis programming, post-processing methods and machining examples based on the typical CAD/CAM software UG were proposed, and the axes of a double-swing five axis linkage machine were described. The coordinate transformation relationship has developed a post-processing system that provides a reference for the formulation of a multi-axis linkage machining program. 1 Introduction One of the trends of modern...
The milling technology of CNC milling machining of circuit board includes selecting the direction of the cutting, the compensation method, the positioning method, the structure of the frame, and the lower cutting point. It is an important aspect to ensure the accuracy of CNC milling machining of circuit board. Direction of the cutter, compensation method When the cutter cuts into the sheet, one cut surface always faces the cutting edge of the milling cutter, and the other side always faces the...
Milling with square shoulder is a common milling process using a milling cutter with a 90° lead angle. Milling with square shoulder, it is possible to use a common machining solution for different milling applications. First, the cutter of milling with square shoulder has the following advantages: 1. Economy, flexibility and reliability. As we all know, customers are pursuing a cost-effective and efficient solution that increases productivity and sees the cost of production per workpiece as a...
The machining of steel parts in CNC machining center is good or good. The machining center of CNC machining center is hard or good. It is a common workpiece. Many customers have not used machining center to machining steel. I will ask, "Is the machining center of CNC machining center a good hard track or a good track?" This question is indeed a problem that many users will encounter when processing CNC machining centers. Today we answer this question and analyze the specific hard track. Before...
01 Use a sharp blade to reduce the cutting force of a CNC milling machine. Clip blades are divided into coated and uncoated blades. Uncoated blades are usually sharper than coated blades because the blade must be passivated (ER) if it is to be coated. Because the sharp edge will affect the coating in the edge of the bond strength. 02 With a constant cut depth, the use of a small nose radius can undoubtedly reduce cutting forces, especially radial cutting forces, which are the main cause of...
CNC machining technology is the basic technology of modern advanced machinery manufacturing industry. CNC machining also shows great advantages in modern production. 1. High efficiency in CNC machining; The use of CNC machine tools can increase productivity, and generally can increase production efficiency by 2 to 3 times. For certain complex parts, the productivity can be increased by 10 times or even higher. Some CNC machine tools have multi-steps and automatic tool changer, so it can realize...
The CNC Machining process can be broken down into three steps: Step 1: 3D CAD files are analyzed to determine the fixturing required and the most cost effective method to cnc machining the part. Step 2: Machine code for fixtures and the machining of the part is generated using Master cam software. Step 3: The CNC machined parts is then machining to the customer`s dimensional and surface finish specifications using high speed, precision CNC machining equipment and tools.
How does slip in machining affect machining and how to avoid it? Slip in machining is the phenomenon of cutting tools while machining materials and sometimes unable to cut materials. When the tool slips, the surface of the machined parts will have obvious knife marks, which will affect the machining effect. To avoid this appearance, we first analyze the reasons for its emergence: The reason for this is that when the cutting depth is very small, because of the tool chattering, cause a blade not...
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