ejector pin

[ē′jek·tər ‚pin]

(engineering)

A pin driven into the rear of a mold cavity to force the finished piece out. Also known as knockout pin.

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References in periodicals archive ?

The more common scenario of why a gate doesn't want to come out is because it broke off where the gate meets the runner, or where the runner meets a boss formed by a shortened ejector pin.

Tunnel Gates for Processors: PART 2: What you need to know to overcome problems out on the production floor

Such was the case when a competitive shooter alerted me of his urgent need for an ejector pin for his Model 70 Winchester rifle.

Making M70 Ejector Pins: Making a gun part may prove less complicated than ordering one, particularly when the part is needed in a hurry. Here's how I made a Winchester Model 70 ejector pin

Reducing the clamp force can be a quick fix and I have even seen moulders adding a dummy ejector pin near the offending area.

What does a moulder understand by the term 'diesel burning': this month, polymer expert and technical blog author, Dr Charlie Geddes, discusses the unwanted 'black spot' on moulded plastics

Since 2010, Apple has an exclusive licence to use the technology in consumer electronics, but so far it has used it only for the iPhone SIM card ejector pin.

Apple plans to use Liquidmetal technology in next iPhone 'breakthrough product'

This probably won't happen with some of the larger pins on the rifle, but something like an ejector pin can be reused without worries.

Don't get rolled: AR-15s are pretty much pinned together, so learn to install them correctly

PCB Piezotronics' Model 219A05 miniature charge output quartz force sensors are appropriate for obtaining an indirect measurement of injection molding cavity pressure by positioning the sensor behind an ejector pin.

Miniature quartz force sensor measures pressure on injection molding cavities

The FA10 PS cuts ejector pin holes, core pin holes, gib pockets, and other tooling.

Tighter tolerance EDMs pay off for medical manufacturer: World Class Technology is more than the company's name, it is its reputation. Maintaining that rep meant finding machines to match the company title

Ejector The designer should consult with the customer to pin marks: to determine where ejector pin marks are allowed and where cosmetic surfaces are located.

Thixomolding benefits parts makers; design tips for tooling makers

With a 3 1/2" barrel, blued finish, case-hardened hammer, trigger and ejector pin, this Model 1 1/2 may well be the finest ever created.

A Presidential Smith & Wesson. (Handguns of Note)

Typically, a shortened ejector pin with an undercut or reverse taper is used for two-plate molds, and a sucker pin is used for stripper-plate molds.

PART 1: Tunnel Gates for Mold Designers

Push the ejector pin even with the inside of the frame.

Springfield XD: maintenance and improvement of the Springfield XD 9/40, including installing the Powder River Precision spring kit

If residual magnetism needs to be overcome, the devices can be fitted with an optional ejector pin.

Electromagnets offered with high holding forces. (Special Section: Transformers, Inductors & Magnetic Devices)

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