CNC machining is not only used for high-volume parts processing, but also small-batch parts and high-precision parts processing. CNC machining has good flexibility and high degree of automation. It is especially suitable for processing curved and curved parts with complex contours, as well as complex boxes and prismatic parts with a large number of holes and grooves. In the case of multi-variety and small batch production, CNC machining is used. Can obtain higher economic benefits. So how does CNC machining process parts? The editor of Zhongyilong will introduce it to you below.
The processing of CNC machining process problems is basically the same as that of ordinary machining, but it has its own characteristics. Therefore, when designing the CNC machining process of parts, it is necessary to follow the CNC machining with good flexibility and high degree of automation, which is especially suitable for processing curved and curved parts with complex contours and shapes, as well as complex boxes with a large number of holes and grooves, and prism parts. , In the case of multi-variety and small batch production, the use of CNC machine tools can achieve higher economic benefits.
The determination of the tool setting point and the tool change point of the aluminum CNC machining center, the tool setting point is the starting point of the movement of the tool relative to the workpiece during CNC machining. Since the program is also executed from this point, the tool setting point is also called the program start point or the tool start point. When programming, the selection of tool setting point should be considered first.
When the machining accuracy requirement is not high, some surfaces on the workpiece or fixture can be used directly as the tool face; when the machining accuracy requirement is high, the tool setting point should be selected as far as possible on the design basis or process basis of the part, such as hole positioning It is more appropriate to take the axis of the hole as the tool setting point.
The tool setting point must have a certain coordinate relationship with the positioning reference of the workpiece, so that the relationship between the machine tool standard system and the workpiece coordinate system can be determined. The selection of the tool setting point should facilitate the calculation of the coordinate value and make the tool setting convenient.
When setting the tool, the tool setting point should be coincident with the tool position point. The so-called tool position point refers to the intersection of the tool axis and the bottom surface of the tool for flat end mills; for ball end mills, it refers to the ball center of the ball head part; for turning tools, it refers to the tool tip; for drill bits, it refers to the drill tip; The wire electrode cutting machine refers to the focus of the wire electrode axis and the part surface.
The above information on how to process parts in CNC machining is shared here. In general, when the tool needs to be changed during CNC machining, the tool change point should be specified, and the position of the tool change point should be based on the tool change without bumping. Workpieces, fixtures and machine tools are set. Do not change the props blindly, this may cause damage to the equipment.
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