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  1. GarethMcGrory

    What is the thread type/form?

    Hello all, Could some one please help me in determining what is this thread type from the image? I have atatched 2 images showing thread gauge used by end customer, & rough measurement of major diamater. it says 14G 7/16 on the thread gauage from what i have been told. I am really unsure...
  2. GarethMcGrory

    Corner cracking in Bump testing

    Hello all, During recent testing of an electronic chassis, the corners at the floor are suffering cracking as show in attached photo. Initially there was no corner relief in the design, which I changed to have corner relief. Picture attached also to show the area which is showing cracking...
  3. GarethMcGrory

    Mechanism analysis - Linear to arc motion

    Hello all, I currently am looking at a mechanism which I know provides a slightly non linear output at one link which is then amplified at the shorter link. Please see attached JPEG of the mechanism. In essence there is a linear input (Input actually moves through a small arc) at the left hand...
  4. GarethMcGrory

    C5-M paint requirement for die cast aluminium alloy 305/380

    Hi all, I am currently faced with a requirement from a customer to meet C5-M corrosion resistance on a die cast aluminium alloy. However it has to also have a RAL colour finish. The component is quite small, i would describe as lunch box size, which i understand is quite small for a heavy duty...
  5. GarethMcGrory

    Process order of a 316L stainless steel component

    Hi Folks, I am currently liasing with a supplier on the manufacture of a small (25mm X 25mm X 1.5mm)316L stainless steel component. The component has a Pierce & extrude slot feature which extrudes through 1.8mm (material thickness 1.5mm). Component is cold-worked. The supplier is currently...
  6. GarethMcGrory

    Standards for cold forged aluminium components

    Hi folks, I have been trying to locate a standard (ISO, DIN, BS etc...) for cold forged aluminium components. I have had no success fo far, has anyone had a similar task & found anything i can use to add a note to my drawing? thanks Gareth
  7. GarethMcGrory

    SCC of PH17-4-700H

    Hi folks, I have been doing a lot of research into using this precipitation hardened stainless steel in a heat treated condition (1150oF)to eliminate hydrogen embrittlment and also to reduce SCC susceptibility in chloride environments (sea salt/water chloride environments). I will be...

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