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…
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…
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 principal method by which polymer or plastics material is converted into useful products is by moulding, usually under heat and pressure, in a hollow mould or die. The material takes the shape of the mould, from which it is…
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…
