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Read MoreSimplified Guide to Create Engineering Prints
What's The Significance of Engineering Prints?
Engineering prints are required for all designs and they help aid the manufacturing building process. For this reason, it’s nearly impossible to build any sort of appliance just by providing an image with no dimensions, no list of materials and no directions.
Once a design is created and approved by the customer after following all requirements and having provided innovative solutions, then a completion for an engineering print is commenced as a concept drawing is essential for the manufacturing process.
The design engineering team will produce a concept print fully illustrating how the package is assembled. In essence, large assemblies will be broken down into smaller sub-assemblies to simplify the building process and all the items shall be identified with a numerical sequence system.
A bill of materials list will be located in any engineering print created because it’s essential to any successful build. In summary, it illustrates all the materials utilized in the design following with all individual item dimensions, purchased items, quantities, and descriptions.
After all the sheets are completed for the concept print with all the required information, then all the necessary sheets will be printed, approved and bundled into one comprehensive package for the manufacturing team.
Front Page Sheet Example
Shown below is an example of a front page on an engineering print for a better understanding. In the top right corner, the bill of material list shows all the individual parts and sub-assemblies required for this design.
As shown on the right side, there are balloons that use a numerical sequence system (1, 2, 3, etc.) and they indicate where all the parts and sub-assemblies are located.
The dimensions in each view illustrate the accurate sizes for determining the full packaging optimization. In conclusion, once this engineering print is complete, then it can be submitted for a prototype build.
Sub-Assembly Sheet Example
The following image is the base sub-assembly sheet for the base sub-assembly (balloon #1 in the previous image). These type of sheets are necessary to simplify the manufacturing process. After all, it’s a lot easier to read prints when all the dimensions and individual items are not crowded in one sheet.
The bill of materials list on this sheet is more specific than the previous sheet. As can be seen, it clearly states the quantity required for each item and the full item description (item names like “HRS” hot rolled steel and “HSS” hollow structural section along with all sizes).
Ultimately, all these items need to be ordered accordingly and processed for build. The raw materials typically don’t come to size, therefore, sizes need to be cut to length, flat sheets that require bending need to be formed, etc.
