Chapter 3
CM Requirements for Drafting Standards

Purpose

  • To specify those EDC/CM requirements for design document “Drafting Standards.” If the Drafting Standards already exist, they must be modified by this standard or rewritten to comply.

Applicability

  • All design documents (drawings, specs, code, etc.) to be released by this CM function.

Policy/Practice

  • The Company Drafting Standards shall be prepared using ANSI Y 14.x as the primary guide. They shall be written with as few requirements and pages as practical. All the following requirements will be reflected in those standards.
  • They shall contain as few print formats as possible. Only A, B & C print sizes will be allowed.
  • Each format will have only one place on each page for noting the latest revision level of the document.
  • Multiple pages of a document will be kept at the same revision level unless Doc Control agrees to an exception to the rule.
  • All formats will have a drawing revision block on the first page with the following headings:
    Rev   Date   Rev Description     ECO # Sign
  • An end-product nameplate drawing will be required for each product. It will contain the following information and no other information: Serial Number, Product/Model Number, Part Number (top level), Company Logo, and Made in USA. (Serial/Date/Mod/Series Code/“Rev”/Batch # Software Release/Version Number — pick your applicable information.)
  • The Serial Number (etc.) will be used for warrantee control as well as tracing non-interchangeable changes.
  • The Product/Model Number will not exceed ____ characters. It will be assigned and used by Marketing for sales purposes. Since this number is not specific as to the product’s configuration, the part number will be used on the nameplate and for ordering product from the factory.
  • Products with more than “x” features/options will be prepared using a Modular BOM and tabulated “drawing” per the Engineering Documentation Control Handbook.
  • Sub-assemblies will not have a nameplate or be serialized without the agreement of Production Control, Service, and CM.
  • Any information or data placed in the margin of a drawing shall not be under change control.
  • The item description placed in the title block of the design documents will be done by the naming standard found in the Class Coding/Naming Conventions/Group Technology Standard #15. The design document will be the sole source of input of design data to the ERP or PLM.
  • When the company has the capability to produce an item, its documentation will be prepared to “make.” When the company does not have the capability to produce an item, its documentation will be prepared to “buy.” This will normally be a Specification Control Drawing. This specification drawing will outline the critical parameters to the company applications. The Part Number will be placed in the document title block (see Part Numbers Standard).Any bar code or other labels to be left on the product at shipment must be documented by a design drawing.

Procedure

  • None required.

Primary Responsibility

  • The Design Drafting Department will prepare the drafting standards and maintain those in a current condition. The drafting standards must conform to this document.
  • CM will keep this standard up to date.
  • CM shall train all existing and new engineers and designers as to the requirements of this standard.

Authorization

Authorization

Engineering Services Director

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