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General methods and steps to read parts drawings
Oct 27,2020

General methods and steps to read parts drawings 


1) First look at the title bar to get an overview of the parts

Look at the title bar to understand the name, material, and proportion of the part, so as to get a general understanding of the function of the CNC Machining metal part, and determine which type of partbelongs to from the name. Judge the rough processing method of the part from the material. Judge the actual size of the part from the proportion, so as to have a preliminary understanding of the part, especially high requested Auto Fasteners And Clips.


2) Analyze the research view and imagine the structure shape

Look at the view, analyze the configuration of each view of the part and the relationship between the views, the expression method and the content of the expression used, and use the reading method of the combined body, the shape analysis method and the line surface analysis method to understand the structure of each part. Imagine the shape, relative position and function of each part.


3) Analyze all sizes and figure out the size requirements

Comprehensively analyze the view and shape, analyze the size benchmarks of the three directions of the length, width, and height of the part, and then start from the benchmark, take the structural shape analysis as a clue, and then understand the shape and positioning size of each shape, clarify the role of each size, graphics And size expresses the shape and size of the part. When reading the drawing, the view, size and shape structure should be combined for analysis.


4) Analyze technical requirements and understand the whole picture comprehensively

When reading the drawings, the technical requirements such as surface roughness, dimensional tolerances, shape and position tolerances should be clarified. Understand the meaning of the code name. If necessary, contact the parts related to the part to analyze together.

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