Unlike compression molding, however, transfer molding includes heating the plastic to a fluid state before it gets to the mold and forcing it into a closed mold using a hydraulically actuated plunger.
R2 is the point of signal transfer between plunger and barrel.
R2是顶针与套壳体之间的信号传输点。
3
By the area difference between the piston and the plunger in their respective working Chambers, the hydraulic booster can transfer the input lower pressure into output high pressure.