1. Always try to provide proper model and drawing of the part, and make sure drawing is dimension properly and not missing information, Drawings should have all the information to produce a part, Example material, Rev notes, finishing notes. Models should be reference only, 99.9% machine shops convert customer part models to their CAM software, Model data can be lost or changed during conversion to different file formats.
  2. Choose proper tolerance for each feature and select the right material for your project.
  3. Do not assume anything, whatever the requirement is make sure to write in drawing notes or share with manufacturer.
  4. Any concern or questions should be raised before manufacturer starts machining.
  5. If you require sample parts be flexible with material choice. It will be cost e