Category: injection molding

  • Injection Mold Buying Problems

    Manufacturing companies have become increasingly dependent on outsourcing to reduce costs. Despite the fact that outsourcing has made it easier for consumers to buy lower-priced products, there is an issue with foreign competitors not always following the same work standards or using the same quality materials. Outsourcing in China has been rife with problems from…

  • know-how of OEM and ODM

    Being an importer, you probably got word the shortened forms OEM and ODM prior to. If you plan to subcontract construction to China, you have to very first locate a regional contract manufacturer that will make your products. Needless to say, you’ll find two possibilities: OEM or ODM. Yet, what specifically would be the distinction…

  • Classification of Injection Molds and Mold design

    A critical evaluation of a large number of injection molds for parts fulfilling a variety of applications results in the identification of certain classes and groups that differ from each other in their construction in some basic manner. Of course,for the sake of clarity such a classification cannot contain all combinations that are possible among…

  • SEMI-POSITIVE TYPE MOLD

    SEMI-POSITIVE TYPE MOLD Because of the difficulty of fitting positive molds, and because scoring is detrimental to the finish of the casting, a semi-positive mold is a good compromise design. Fig. 28 is a diagram of a semipositive type mold. The telescoping portion is short, and its clear proper, and cavity depth can be less…

  • fillet-and-corner-radii

    FORGING DIMENSIONS The maximum permissible dimensions and weight of a forging are governed by the forging hammers available. The aluminum alloy forgings permits the forging pf pieces up to 36 in. long, 6 in. wide, 6’/2 in. deep in each die, and weighing a maxi- mum of 30 pounds. This does not represent the maximum…