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  • Users: mechcad8
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  1. mechcad8

    Dimension Text - Can I ?

    In the Dimension Text box for customising the dimension information, I would like to display the text "M4-6H EQUI SP PCD ø58" but for the ø58 I would like to select the dimension string D2@sketch8, So if the dimension changes it also changes on my drawing view. I've tried placing the text...
  2. mechcad8

    Attach Surface Finish Symbol?

    I've been asked what I thought was a simple question until I had a go myself. In 2D drawing format, I wish to attach a surface finish symbol to the outside dia of a shaft but show the symbol on the dimension line. I can attach the symbol to the shaft edge but cannot constrain the symbol on the...
  3. mechcad8

    Tolerance Of Rolled Sheet MuMetal After Heat Treatment?

    I am looking for some approximate guidelines for achievable tolerances from mumetal after heat treatment? I have a design that will consist of cylinder 4" (101.6mm) in diameter, and 8" (203.2mm) in length rolled from 0.04" (1.02mm) thick mumetal sheet. I am looking for comments as for what...
  4. mechcad8

    Viton seals: What are the differences in colour?

    Can anybody help? Are there any differences between black, brown or green viton flat seals. I have an application (Steam @ 140°C pressure 2.3bar - also vacuum at 100mbar) where I have validated the use of a 70 shore hardness Viton seals on some Solenoid valves. The seals were black in colour...
  5. mechcad8

    Viton seals: What are the differences in colour?

    Can anybody help? Are there any differences between black, brown or green viton flat seals. I have an application (Steam @ 140°C pressure 2.3bar) where I have validated the use of a 70 shore hardness Viton seals on some Solenoid valves. The seals were black in colour. Our production have been...
  6. mechcad8

    Dezincification?

    I am tring to conform to a specification that says the pipe fittings that we use must "be resistant to de-zincification if they are intended to come into contact with water" Brass fittings are our preferred choice for economic reasons. To my knowledge all brass fittings that have a...
  7. mechcad8

    Fatigue Life Assessment

    I need to review some historic fatigue assessment cyclic loading calculations can anybody suggest where the best place is to start? Previous calculations were based on a total of 26,000 operating cycles. I need to review this for up to 36,000 operating cycles. It would be nice if I can agree...

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