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Recent content by DJBLINX

  1. DJBLINX

    Drawing Checking Standard (or Standard Operating Procedure)

    Thanks so far for the responses. I have conducted searches on the Forums and got the same list and a few more as above. I will try searching for the Drafting Zone list and post back if I find anything. Thanks again.
  2. DJBLINX

    Drawing Checking Standard (or Standard Operating Procedure)

    Not sure if this is the right forum, but here goes. I have been asked to produce a standard for checking drawings / designs and wondered if there is a Standard or if any one has any advice or a document they are willing to share. I've attached a document that shows my current thoughts and...
  3. DJBLINX

    Advice required - how to dimension a snap in cylindrical part?

    Thanks for the reply, I had not thought of the free state condition. I'll look into it.
  4. DJBLINX

    Advice required - how to dimension a snap in cylindrical part?

    Any one out there have any advice? Thanks David.
  5. DJBLINX

    Advice required - how to dimension a snap in cylindrical part?

    Q#1 Hopefully the attached will help. Q#2 BS8888 (ISO)http://files.engineering.com/getfile.aspx?folder=7b4dddce-aeb0-4716-9f80-4aeb57ad7177&file=squircle.jpg
  6. DJBLINX

    Advice required - how to dimension a snap in cylindrical part?

    I have a cylindrical injection moulded part that has a snap fit feature on the end that 'snaps' inside another cylindrical part and we are struggling how to dimension it. The problem being is that there are 4 gates equi-spaced around the perimeter and the part is not round, it is a sqircle...
  7. DJBLINX

    Advice on showing datums for this part.

    Hi all Hopefully you will be able to give me some advice on how to define the datums on the part in the attached image. Basically, the part clips into its mating part and sits on the flat surface that the clips protrude from. I have been looking at the part and thought about datum targets on...
  8. DJBLINX

    As Designed verses As Moulded

    I asked the following question in the Drafting Standards forum and received a number of replies, but thought I would try on this forum as well. Any insights will be appreciated. When designing injection moulded parts, tolerances are added to ensure the parts will go together (GD&T). When the...
  9. DJBLINX

    Injection Moulded Parts - As Designed v As Moulded

    When designing injection moulded parts, tolerances are added to ensure the parts will go together (GD&T). When the parts are moulded they fit together, but do not necessarily meet the drawing specification. How do other companies manage this? Do you modify the drawings/models to match the actual...

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