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  2. DIN 1530 - Wikipedia

    en.wikipedia.org/wiki/DIN_1530

    DIN 1530 is a standard by the German Institute for Standardization for ejector pins used in the process of injection moulding. Ejector pins are used to eject plastic or alloyed products from the mould after solidification.

  3. Injection mold construction - Wikipedia

    en.wikipedia.org/wiki/Injection_mold_construction

    Ejector plate—This holds the ejector pins and is usually made of mild steel. Ejector back plate—It prevents the ejector pins from disengaging; usually of mild steel material. Spacer blocks—Provides a gap for the ejector assembly, so that the finished component ejects from the core. Usually made of mild steel.

  4. Riser (casting) - Wikipedia

    en.wikipedia.org/wiki/Riser_(casting)

    A bronze casting showing the sprue and risers. A riser, also known as a feeder, [1] is a reservoir built into a metal casting mold to prevent cavities due to shrinkage.Most metals are less dense as a liquid than as a solid so castings shrink upon cooling, which can leave a void at the last point to solidify.

  5. Injection moulding - Wikipedia

    en.wikipedia.org/wiki/Injection_moulding

    Filter for nozzle with a plastic toy next to it. Injection moulding is used to create many things such as wire spools, packaging, bottle caps, automotive parts and components, toys, pocket combs, some musical instruments (and parts of them), one-piece chairs and small tables, storage containers, mechanical parts (including gears), and most other plastic products available today.

  6. Spring pin - Wikipedia

    en.wikipedia.org/wiki/Spring_pin

    A spring pin (also called tension pin or roll pin) is a mechanical fastener that secures the position of two or more parts of a machine relative to each other. Spring pins have a body diameter which is larger than the diameter of the hole they are intended for, and a chamfer on either one or both ends to facilitate starting the pin into the hole.

  7. Undercut (molding) - Wikipedia

    en.wikipedia.org/wiki/Undercut_(molding)

    This is an extra part of the mold that moves separately from the two halves. These can increase the cost of the molded part due to an added 15 to 30% cost of the mold itself and added complexity of the molding machine. [1] [2] If the size of the undercut is small enough and the material is flexible enough a side action is not always required.

  8. M44 (cyanide device) - Wikipedia

    en.wikipedia.org/wiki/M44_(cyanide_device)

    The M44 cyanide device (also called a cyanide gun, cyanide trap, or canid pest ejector) is used to kill coyotes, feral dogs, and foxes. It is made from four parts: a capsule holder wrapped with cloth or other soft material, a small plastic capsule containing 0.88 grams of sodium cyanide , a spring-powered ejector, and a 5–7 inches (130–180 ...

  9. Sand casting - Wikipedia

    en.wikipedia.org/wiki/Sand_casting

    The first mechanized molding lines consisted of sand slingers and/or jolt-squeeze devices that compacted the sand in the flasks. Subsequent mold handling was mechanical using cranes, hoists and straps. After core setting the copes and drags were coupled using guide pins and clamped for closer accuracy.

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