Continue to Site

Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

  • Congratulations GregLocock on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  1. cm_eng

    Profile tolerance on a surface with a draft

    I'm currently working on the part shown below. I want to control the profile of the surface shown in red to +/- 0.002". The part is to be injection molded, and consequently the surface has a draft. Because of the draft, I'm not sure how to apply the profile tolerance, since the surface is not...
  2. cm_eng

    injection molding material question

    they have a handful of models that use the same type of loop attachment geometry. The specific one I own is an "Actik Core"
  3. cm_eng

    injection molding material question

    I'm designing an injection molded wearable device with strap loops designed into the housing. We designed a previous version of the product out of a PC/ABS blend, and the strap loops would occasionally break. I've been looking at other products that take this design approach, and the Petzl...
  4. cm_eng

    Composite tolerancing a multi-feature hole pattern

    Tim, this is precisely what I was looking for. Thank you! Cheers!
  5. cm_eng

    Waterproofing a consumer electronic good by urethane/silicone potting

    Working on a design for a consumer electronic good that must be waterproof to IPX8 (1.5 meters). Relatively simple part: PCB board with a surrounding injection molded clamshell. No connectors or buttons, just an LED or two. Instead of using an oring/gasket to seal out water, I'm considering...
  6. cm_eng

    Composite tolerancing a multi-feature hole pattern

    I have a question regarding composite tolerancing that I cannot seem to find the answer to anywhere. I've come across this situation many times: I will have a part with multiple coaxial features, and I will have a pattern of those coaxial features. I attached a quick example below, where I have...

Part and Inventory Search