When requesting parts from old paper drawings, check the version, tolerances, and unreadable notes.
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This is an introduction to technical information. When requesting individual parts from old paper drawings, it is important to check not only the shape but also the drawing number, version, change history, material, tolerances, and notes. It is crucial not to estimate dimensions from the scale of the image and to separate unreadable symbols or parts that differ from current specifications. The article from Hanshin Seiko organizes the information that should be prepared for processing consultations using paper drawings or existing manufacturing drawings. Please inform us of any uncertain conditions along with the quantity, whether there are supplied items, and the desired delivery date. We will confirm the feasibility of processing based on the drawings and necessary processes.
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You can check the points for verifying the version, dimensions, tolerances, and notes of the drawings in the article on the official website.




