For friends who have been in contact with the radiator component industry, they often see or hear "CNC machining", but too much exposure does not necessarily mean that many people understand. In fact, many questions are still about CNC machining. What are the advantages? Let's take a closer look. CNC machining is an index-controlled machine tool machining, which is a method of using digital information to control the machining process. Traditional mechanical processing is done manually by machine tools. During processing, the mechanical cutter is shaken to cut metal, and the accuracy is measured with calipers and other tools. However, traditional artificial intelligence processing is far from being able to meet the needs of production development. Therefore, the emergence of CNC machining provides the possibility for the standardization, precision and efficiency of mechanical product processing. The CNC machining process in the radiator component industry also shines. The
How Do Cnc Swiss Machines Work Save 0 What Is Swiss Machine –The full name of the walking CNC lathe, it can also be called the spindle box mobile CNC automatic lathe, the economical turning and milling compound machine tool or the slitting lathe. It belongs to precision machining equipment, which can complete compound machining such as turning, milling, drilling, boring, tapping, and engraving at one time. It is mainly used for batch machining of precision hardware and special-shaped shafts. This machine tool first originated in Germany and Switzerland. In the early stage, it was mainly used for precision machining of military equipment. With the continuous development and expansion of industrialization, due to the urgent needs of the market, it was gradually applied to the machining of civilian products; the development of similar machine tools in Japan and South Korea Earlier than China, it was mainly used in the military industry in the early days. After the war, it was gradually
Spring Design Attention And Roll Forming Method The coiling characteristics and methods of springs are divided into cold coiling method and hot coiling method. Cold winding method: When the diameter of the spring wire is less than 8mm, the cold winding method is adopted. High-quality carbon spring steel wire is usually first cold drawn and then heat treated. After winding, it is generally not quenched, but only tempered at low temperature to eliminate the internal stress during winding. Hot-rolling method: Springs with larger diameter (>8mm) spring wire should use hot-rolling method. Hot rolled springs must be quenched and tempered at medium temperature. The Design Process Of Various Springs · Installation space: When designing a compression spring , it is necessary to have a clear understanding of the space required for the installation of the spring, in order to effectively grasp the basic manufacturing conditions of the compression spring, including the outer diam
This article is suitable for students who have mastered the basic theoretical knowledge of three-axis programming and five-axis programming, and try to continue to learn the five-axis programming in depth. Five axis programming core three parameters: drive method, projection vector, knife axis.
Driving method: The common methods include streamline (more intelligent), surface (set cutting direction, step moment, cutting mode and other parameters), boundary, etc. After the driving method is determined, the driving geometry is selected, and the driving geometry is used to generate the first “virtual tool path”, and the rationality of the tool path is observed, and then the optimization is done.
Projection vector: Discusses how the virtual tool path is projected onto the workpiece geometry after it is first generated. The projection affects the quality of the final tool path on the workpiece surface, but has nothing to do with tool attitude. If the projection is not correct, the tool path will show confusion such as zigzag lines.
Generally speaking, the projection vector options are less, often selected, knife axis (knife path along the direction of the knife axis projection tool surface), vertical driver (driving geometry), specified vector, the above projection principle is simple to understand, easy to operate.
Tool axis: discuss the processing, the tool in what attitude in the final knife path “walk”, tool attitude can be divided into: fixed tool axis, an axial change, two axial changes, etc., there are many options of the tool axis, the following is classified.
Away from the straight line, the application of open area surface or rotary surface, each path of the tool attitude has a direction change, the tool attitude to a straight line, with the change of processing direction, the path of the tool. This approach is limited if there is artifact interference.
Away from the point, it is best to use a closed area, each path of the tool posture has two direction change, and the attitude change is large, this method will have limitations.
Vertical drive, depending on the choice of the situation, generate tool will always vertically the gesture of dao road, if it is straight bevel, tool posture and fixed knife road and tidy, if it is a curved surface, cutting tool posture will change at any time, and cannot be specified tilting Angle, interference occurs if the cutting tool and workpiece structure, unable to adjust the cutter attitude, this method will be limited.
Compared with the driver body, it is more flexible than the vertical driver body. If the machining surface is curved, the posture of the tool during machining will change at any time, and the roll Angle can be specified. If there is interference between the tool and the workpiece structure, the roll Angle can be adjusted to avoid.
4 axis, perpendicular to the driver/relative to the driver, the application of closed areas such as the structure of the rotary body, generate the whole cycle movement of the knife path, can change the roll Angle, rake Angle, etc., this method is simple and convenient.
Drive side blade, the use of oblique cutting tool side blade inclined wall, side edge direction is designated as “upward (purpose is to make the cutter attitude up), if the wall is straight bevel, cutter profile is changeless, wall surface, cutting tool processing attitude will change, at the same time, you can specify a tilting Angle to continue to change the posture, the method is relatively flexible.
Profile milling, used to milling the inclined straight wall, using the known bottom surface, automatically find out the inclined wall to be processed. Can not mill surface (milling surface with side edge drive), and side edge drive is very similar to the generation of plane milling is similar to a single knife path, but can use the transformation out of multiple knife path.
Finally, multi-axis programming is mainly based on the surface structure of the workpiece and processing requirements, with the model of five-axis machine tool, avoid interference with the workpiece, optimize the tool posture, and reasonably generate the machining tool path. Programming itself is not difficult to master, but processing technology requirements are high.
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