1.1 Introduction to Auto CAD Drafting Software The most widely used computer graphics software, Auto CAD, is a general-purpose computer-aided drawing and design software developed by Autodesk of the United States. Auto CAD is mainly equippe....
Figure 1-1 (a) parts drawing (b) Analysis of Parts Drawings The surface of the part is composed of a cylinder, a straight arc, an inverse arc, a cone, a groove, a thread, a hole, and the like. The dimensioning is complete. The blank is 45#....
3.1 Reasonable selection of machine tools CNC machine tools are usually best suited for machining parts with the following characteristics: (1) Parts for multi-variety, low-volume production, or trial production of new products. (2) Parts w....
1. The characteristics of CNC machine tools CNC machine tools are a type of processing equipment that uses digital signals to control the movement of a machine tool and its machining process. The modern CNC machine tool is a typical process....
Hex nut is classified into I type, II type and thin type according to the nominal thickness. Nuts of class 8 or higher are type I and type II. The type I Hex nut is the most widely used, and the I nut is divided into A, B, and C grades. The....
The stainless steel machining process refers to the process of cutting, folding, bending, welding and other mechanical machining of stainless steel materials to finally obtain the stainless steel products required for industrial production.....
Shafts are mechanical parts that transmit motion, torque, or bending moments. Generally round metal rods, each segment can have different diameters.
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Turning is a machining process in which a cutting tool, typically a non-rotary tool bit, describes a helix toolpath by moving more or less linearly while the workpiece rotates. ....