How To Read Machining Drawing

03 Feb, 2021

These views will have just the dimensions for the machining done after the parts are welded together. The Basics Of CNC Machining Drawings The Basics Of CNC Machining Drawings.

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5e presents an example of general information about the surface roughness of an object within a construction drawing as well as an executive drawing.

How to read machining drawing. The title block contains information such as. It covers several fundamental topics1 The layout of the drawing2 Title block3 First VS. The holes and other machining can now be dimensioned.

In todays modern age of CAD models and CAM programming one could assume that weve moved beyond the times when part prints and CNC drawings were commonplace in manufacturing. Start off by reading the title block found at the bottom right-hand corner of the drawing. This can also be stated as FULL SIZE in the scale block of the drawing.

The measured distance on the drawing is the actual distance or size of the component. Identify the hidden lines. Reading Lines 1.

Located in the lower right of the drawing the Title Block contains the architect or designers name the drawing number project name part number or building address and the scale of the drawing. If the weldment is large and complex it is a good idea to start with new views of the weldment possibly on a new sheet. The next step is to read the notes in the drawing outside the title block.

Measuring tools must be kept calibrated to make sure that all dimensions are measured properly and that the tolerances are followed with absolute accuracy. After all there is a great deal of information that can be pulled from a 3D model so. Name and address of the company or agency who prepared or owns the drawing.

Identify all the object lines. As already said such a technical drawing has all the information for manufacturing a part or welding and building an assemblyThe info includes dimensions part names and numbers etc. So once a manufacturing engineer gets the drawing he can start the production process without a second thought.

D the surface should be processed grinded and the roughness after machining should be Ra 5 a strictly defined machining method is indicated. See this and over 140 engineering technology simulation videos at httpwwwengin. There are other information blocks like it but the title block serves as the context in which the drawing should be perceived.

The term technical drawing has a very broad meaning referring to any. It is presented through a number of orthographic views so that the size and shape of the component is fully understood. The machinist must know how to read them properly and must also know which tools to use to take the raw material to a completed part.

Although it can seem overwhelming when taken in all at once lines are the language of. Watch this video to learn more about reading and drawing blueprint lines. Any information in the notes that conflict with.

This makes the weldment drawing easier to read and understand. It is also important to have an understanding of how to read them. I think its a combination of the impact of 3D printing 3D CAD and a lack of education about machining.

38 1 Read as 38 inch on the drawing equals 1 foot on the actual component or system. Classifications of Drawings 41 Machine Drawing It is pertaining to machine parts or components. Object lines - or visible lines - are drawn the thickest of all on a blueprint.

About a year ago I met an older automobile machinist at a gathering with friends and he said that lately newer engineers have been sending drawings that are impossible to manufacture. Sheet number and number of sheets. The drawing should define those requirements as completely and specifically as possible since anything not defined on the drawing.

This video discusses the basics of reading engineering drawings. HOW TO READ EN. The Purpose of Engineering Drawings.

Start by looking at the Title Block on each drawing. An engineering drawing such as those for your cast part and machined part is a set of requirements for a finished part condition. Part drawings and assembly drawings belong to this classification.

Look over the lines. Drawing but also to read the drawing correctly. 1 1 Read as 1 inch on the drawing equals 1 inch on the actual component or system.

Christian Mullen is a.

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