ejector pin

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.
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.
Such was the case when a competitive shooter alerted me of his urgent need for an ejector pin for his Model 70 Winchester rifle.
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.
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.
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.
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.
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.
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.
If residual magnetism needs to be overcome, the devices can be fitted with an optional ejector pin.