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  1. NathanLee

    counterbore/countersink Plastic Injection

    Does anybody have any experience/direction with this question. Regarding DFM, design for manufacturing, would a plastic injection operation w/ glass nylon have an easier time spitting out widgets with counterbores or countersinks if it otherwise made no difference. Are the holding power...
  2. NathanLee

    Forecast Methodology

    Hi, Any suggestions on improving our manufacturing forecasts. Currently it is mainly based on word of mouth occurring between our sales guys (girls) and the customers. Can anybody refer me to good literature on the subject. Our forecasts seem to be plus/minus 50% off and I hope we can improve...
  3. NathanLee

    C-Rings from Hell

    Hello out there! Hoping to get some peer feedback regarding a 300 series steel spring. Specifically, this piece looks like a 7 mm wide donut with a 75 degree bite taken from it. The inner diameter is 6 mm. I need about 50 C hardness. I am prototyping some window hardware and I must find...
  4. NathanLee

    Cheaper than powdercoat??

    Hi all! Hopefully a gracious being will aid me in my cause to provide corrosion protection (min 250 salt fog hours) on smallish steel pieces (4" x 1/2" x 1/8"). the powdercoat is great both aesthetically and functionally, however it's cost is a big minus considering the nature of the market i'm...

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