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Mold Design Guidelines
- Introduction [PDF]
- Spruce Bushing and Runner Bars [PDF]
- Mold Cores, Core Pins and Chill Plates [PDF]
- Mold Cavities and "A" Side Inserts [PDF]
- Slides, Lifters and Raising Mold Members [PDF]
- Ejector Pins, Ejector Sleeves and Ejection [PDF]
- Mold Temperature Control Systems, Bubblers, Baffles Diverters and Plugs [PDF]
- Wear plates, Slides Gibs, Interlock Plates, Leader pins, and Guided Ejector Bushings [PDF]
- Plating and Coating of Copper Alloys [PDF]
- Application of Copper Alloys in Injection and Blow Molds [PDF]
Useful Resources
Bronzes are unquestionably the most versatile class of bearing materials, offering a broad range of properties from a wide selection of alloys and compositions.
The high thermal conductivity of copper alloys makes them ideal materials for the injection mold sprue bushing and runner bars.
In North America two injection mold nozzle and sprue bushing radii are used, 1/2 and 3/4 inch. To insure proper fit up, the nozzle radius is nominal -.015 inch, while the sprue radius is nominal +. 015 inch, required tolerances to use.
Order Industrial educational & technical publications.
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