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    數控車床加工工序與工步的劃分!
    2019-10-8 11:13:16

      工作程序和工作步驟的劃分原則如下:

      The principles for the division of working procedures and steps are as follows:

      1. 根據零件的夾緊和定位來劃分工藝

      1. To divide the process according to the clamping and positioning of the parts.

      由於各零件結構形狀不同,各表麵的技術要求也不同,因此在加工中,其定位方式有差異。一般加工零件形狀、形狀定位;在加工中對零件內部形狀進行形狀定位。這個過程可以根據不同的定位方法進行劃分。

      Due to the different structural shapes of each part and the different technical requirements of each surface, the positioning methods are different in processing. In general, the shape and shape of parts are positioned, and the internal shape of parts is positioned in the process. This process can be divided according to different positioning methods.

      2. 按粗細工序加工

      2. Processing according to rough and fine process

      根據數控零件加工精度、剛度和變形等因素來劃分加工過程,根據粗加工、精加工的分別原則來劃分加工過程,即先進行粗加工,再進行精加工。這時可以使用不同的機床或不同的工具進行加工。通常在一次安裝中,在加工零件的另一個表麵之前,不允許先加工零件的一個表麵。

      According to the accuracy, stiffness and deformation of NC parts, the processing process is divided. According to the principle of rough machining and finish machining, the processing process is divided, that is, roughing first, then finishing. At this time, different machine tools or tools can be used for processing. Usually in one installation, one surface of the part is not allowed to be machined before another surface of the part is machined.

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      為了減少刀具更換的次數,縮短空行程時間,減少不必要的定位誤差,可以采用同一刀具集中加工工藝的方法對零件進行加工工藝劃分。盡可能使用相同的工具來處理所有可以處理的部件,然後用另一個工具替換它來處理其餘部件。該方法常用於特殊的數控機床和加工中心。

      In order to reduce the number of tool replacement, shorten the empty travel time and reduce unnecessary positioning errors, the same tool centralized processing technology can be used to divide parts into processing technology. Use the same tool as possible to process all parts that can be processed, and then replace it with another tool to process the rest of the parts. This method is often used in special NC machine tools and machining centers.

      工作步驟的劃分:工作步驟的劃分主要從硬件零件加工精度和生產效率兩個方麵來考慮。在加工過程中往往需要使用不同的刀具和切削量進行不同的表麵加工。為了便於對複雜零件的分析和描述,將該過程細分為多個步驟。工作步驟劃分原則為:

      The division of working steps: The division of working steps is mainly considered from two aspects: the processing accuracy of hardware parts and the production efficiency. In the process of machining, it is often necessary to use different tools and cutting parameters for different surface processing. In order to facilitate the analysis and description of complex parts, the process is divided into several steps. The working steps are divided according to the following principles:

      1. 同一表麵應依次進行粗加工、半精加工和精加工,或整體表麵分別進行粗加工和精加工。

      1. The same surface should be roughed, semi-finished and finely processed in turn, or the whole surface should be roughed and finely processed separately.

      2. 對於銑削麵和鏜孔麵的零件,鏜孔後可以加工銑削麵。該方法可以提高孔的加工精度。由於銑削平麵切削力較大,金屬零件加工變形大。先銑削平麵,再鑽孔,可以在一段時間內恢複變形,減少變形對孔精度的影響。

      2. For the parts of milling face and boring face, milling face can be processed after boring. This method can improve the processing accuracy of holes. Because of the large cutting force in milling plane, the deformation of metal parts is large. Milling the plane first, then drilling, can restore deformation in a period of time, reducing the impact of deformation on hole accuracy.

      3.按工具分工步。有些機床工作台的回轉時間比換刀時間短,因此可以將刀具分為幾個工作步驟,以減少換刀次數,提高加工效率。

      3. Divide work steps according to tools. The turning time of some machine tool workbenches is shorter than that of tool changing, so the tool can be divided into several working steps to reduce the number of tool changing and improve the processing efficiency.

      我們用飽滿的熱情,無限的熱情對待工作和客戶,我們願用辛勤的勞動和您共同創造美好的明天!

      We treat our work and customers with full enthusiasm and unlimited enthusiasm. We are willing to work hard with you to create a better tomorrow!