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Recent content by J Taylor

  1. J Taylor

    Standard for identifying features on Engineering Drawings?

    Due to the fact the designer(s) have never added these details, I wonder if they may see it as "extra work", also the people using different methods may think their way is the correct way. I probably will at some point bring this up and suggest the data is added to future Job's drawings, I'm...
  2. J Taylor

    Standard for identifying features on Engineering Drawings?

    Experienced CMM Programmer (30+ yrs), worked exclusively in the Automotive sector, worked mainly with customer supplied drawings. On most of these drawings, features such as holes/bores & faces are identified with some kind of method, for example, on a Cylinder Head each one of the faces is...
  3. J Taylor

    Profile multiple faces

    Hi, I am programming a Zeiss CMM in Calypso software and have a question about profile(s) of a face. I have a Cylinder block with 6 bosses with a Profile tolerance 0.5 ABC and a Profile Tolerance 0.4 A (see attached jpeg). The first part (0.5 ABC) is simple enough, the software allows me to...
  4. J Taylor

    True Position of a hole to a face & Profile Question

    Question 1 - True Position (M6 Thread) - True Position diameter 0.25 to datum P (datum P is a boss face) Is this another way of asking for the Perpendicularity of a hole to a face? In this case the Perpendicularity of an M6 Thread to its accomplying boss face. Question 2 - Profile of a face 2...

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