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 High Performance Shot System: 

Profit® Hot Chamber Machines feature a sophisticated two-speed shot system which results in superior quality, virtually flashless castings.

Profit®
Hot Chamber Machines are
designed for reliable quality and fully automated operation. Therefore, the standard shot control system is designed to provide maximum plunger velocity for high-speed injection. In the two-speed system, the slow shot is controlled by a digital timer. When shot is initiated, the plunger moves at a preset "slow speed". When the timer reaches the set point, the plunger accelerates to the preset "fast speed". Plunger velocity is controlled by a hard stop setting in the pilot-operated hydraulic check valves (P.O.C.). In turn, these P.O.C. valves control the orifice openings of the "low speed" and "fast speed" hydraulic flow control valves.


The result is virtually flashless castings which require very little, if any, secondary operations.  When you consider the time and labor this will save you, the difference is very considerable!

This system is sophisticated enough to be extremely reliable and consistent and yet it is easy to maintain and service. Machine startup and day-to-day operation have also been simplified to make operation as easy as possible.

The shot end
on Profit® Hot Chamber Machines features a rugged water-cooled A-frame assembly, containing the vertical shot cylinder, plunger, gooseneck and nozzle, together with a melting/holding furnace. As apposed to regular "all cast" standard goosenecks which have inherent low flow efficiency, Profit® machines have goosenecks which feature cast-in stainless steel pipes. This design allows for constant bore shape and diameter, smooth surface, and controlled bends which achieve excellent flow efficiency.  The A-frame is equipped with travel cylinders to break the nozzle from the die. The nozzle is available in a gas-fired or electrically heated version. Both versions come with a temperature controller. Also available is an optional electric melting/holding furnace.
 




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