Machining processes and machining processes
Machining processes and machining process production process refers to the entire process of products made from raw materials (or semi-finished products) is. Including raw materials for machine production in terms of transportation and storage, production preparation, blank manufacturing, machinery parts processing and heat treatment, product assembly and testing, painting and packaging content. Content production process is very extensive, with the principles of modern enterprise system engineering and methods of organization of production and guiding production, the machining process as having the input and output of the production system. Make scientific management of enterprises so that enterprises more resilience and competitiveness.
In the machining process, direct change materials (or blank) shape, size and performance, making it into the finished product, known processes. It is a major part of the production process. Heat change the material properties [1];; such as rough casting, forging and welding parts machining, etc., all belong to the process. The machining process is again one or several steps arranged in order thereof.
Machining process is a basic unit of the process. The so-called step refers to a place of work, one or a set of artifacts to complete that part of the continuous process. Constitute a step does not change the main characteristics of the object, equipment and operators, and content to complete the process is continuous. For example in Figure 32-1 [cc1] part, which process can be divided into the following two steps.
Machining Step 1: In the lathe car cylindrical, facing, boring and chamfering the hole;
Machining Step 2: Drill six holes on the drilling machine.
In the same procedure, the workpiece may be after a few installation. That part of the process of machining a workpiece in a single setup completed, called the installation. In step 1, there are two installation. First installation: three-jaw chuck with cylindrical grip, facing C, boring the hole, the hole chamfering, car cylindrical. The second installation: U-turn with the cylindrical clamping jaw plate, facing A and B, and the hole chamfer.
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