Regarding standard components in the equipment design drawings (such as supports, legs, and brackets), are their specific dimensions also indicated in the drawings?
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Regarding standard components in the equipment design drawings (such as supports, legs, and brackets), are their specific dimensions also indicated in the drawings?
This post was last edited by Lantian on 2017-4-6 09:56. It’s not necessary to show detailed dimensions, but the dimensions required for assembly as well as those that can represent its characteristics should be indicated. On the one hand, it must be convenient for manufacturing and installation; on the other hand, the transportation of components must be taken into account.
If it is a manufacturing plant, there will be drawings for supports, legs, and ear pieces.
No, it’s only necessary to provide the positioning dimensions and the dimensions of the external links; for supports, it is required to specify the spacing and size of the anchor bolt holes.
This post was last edited by tianba*aozi on 2017-4-6 at 11:50. Equipment manufacturing drawings should include detailed dimension specifications
If the equipment design drawings refer to construction drawings, it is recommended that the entity responsible for issuing the design approval draw up all the construction-related drawings and specify the requirements for manufacturing and inspection. Even for standard parts, manufacturing inspection requires drawings as well as inspection and acceptance specifications. Design firms can establish standard drawing libraries or develop parametric drawing software to improve the efficiency of producing drawings. Having the manufacturing unit provide the drawings for standard parts is inefficient, introduces more opportunities for errors, and results in unclear responsibilities.
In the assembly diagram, only the connection dimensions and overall dimensions need to be indicated
Since it is a standard component, there are established standards for it; regardless of who manufactures it, as long as it meets those standards, it is fine and can satisfy the usage requirements. The manufacturer creates a set of standard part drawings in accordance with the standards; these can be used directly during production, and since they are made by the manufacturer themselves, they know them best. There is also no issue with unclear responsibilities; if the standard part’s specifications and model are selected incorrectly, it is a design problem ； If the production does not meet the standards, it is naturally a problem with the manufacturing process. The standards for standard components already define the vast majority of the dimensions and structures; with just a few additional refinements, they are practically ready to be used as manufacturing drawings.
Just by looking at your answer, it’s clear you’re not a device designer.
It’s fine as long as the outline is clear; there’s no need to indicate specific dimensions.