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Recent content by mecheng2006

  1. mecheng2006

    Help...using DOWEL PINS

    Hi, We did not have any concerns with the wear of the bronze bushings but at times the hinges were difficult to engage because of the misalignment of the holes between the two zinc castings. With the use of the dowel pins, we would eliminate this concern. the doors are not cycled to often and...
  2. mecheng2006

    Help...using DOWEL PINS

    Hey John, Ì have a test rig setup to check whether there will be any door sagging because of the wear in my zinc castings but I would like to know if there are other potential concerns that I should keep an eye on. With the removal of the bushings, there is a big potential of wear for my...
  3. mecheng2006

    Help...using DOWEL PINS

    Hi all, I am looking at removing the bronze bushings and the hinge pin altogether because of a cost reduction idea. also, with our current setup, the hinge pin is running through two zinc die cast parts. because of alignment issues, we found that there were some hinges which were more difficult...
  4. mecheng2006

    Help...using DOWEL PINS

    My current setup uses a hinge pin made of hardened tool steel where we are using bronze bushings which are press-fit into a zinc casting(serves as a hinge). the other zinc casting is connected via the hinge pin and is bolted down. i'm looking into removing the bushings and the hinge pin and...
  5. mecheng2006

    Help...using DOWEL PINS

    well, the dowel pin that I am looking to use is made of hardened steel with a zinc coating for corrosion resistance. my main concern would be potential issues in the door sagging during repeated cycling as the dowel pins will be press fit into the hinges. is anyone aware of someone using dowel...
  6. mecheng2006

    Help...using DOWEL PINS

    hi tygerdawg, i`ve verified the cost for using a hinge pin and it looks like using dowel pins would bring in a cost savings for me. i did notice that the dowel pins would have a higher strength as compared to the hinge pins but i`m not sure if a dowel pin should be used for this type of...
  7. mecheng2006

    Help...using DOWEL PINS

    Hi, Looking for some help here, i'm looking into using a dowel pin between two zinc cast parts... i've never seen a hinge design use dowel pins before and I was wondering if there was any particular reason for that? Does anyone know if it would be an issue. The door for this apparatus will be...

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