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Die-casting machine with energy saving evaluation system

a die-casting machine and energy-saving technology, applied in the field of hydrostatically actuated die-casting machines, can solve the problems that not all machines provide for being actuated by inverters, and achieve the effect of evaluating the energy-saving achieved

Inactive Publication Date: 2021-01-21
ITALPRESSE IND SPA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent text explains how solutions are being provided to use hydraulic pumps that are powered by electric motors. Some solutions use a simple connection to the electrical grid, while others use an inverter which saves energy and provides more benefits. The text explains the benefits of using an inverter and how it can be beneficial depending on the processing needs.

Problems solved by technology

However, normally, in a manufacturing company where many die-casting machines are installed for making various semi-finished products, not all the machines provide for being actuated by inverter.

Method used

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  • Die-casting machine with energy saving evaluation system
  • Die-casting machine with energy saving evaluation system
  • Die-casting machine with energy saving evaluation system

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Embodiment Construction

[0024]According to an embodiment of the invention, a die-casting machine 1 comprises a closing assembly 500 for closing die-halves carried by die-holders 502, 504 and an injection assembly 10 comprising an injection piston for pressurizing the molten metal poured into a die formed by the coupling of the die-halves.

[0025]By way of example, a preferred embodiment of the injection assembly will be described hereinafter (FIG. 2).

[0026]The injection assembly 10 comprises an injection piston 20, which extends along a translation axis X between a head end 22 and an opposite tail end 24. The injection piston 20 is translatable on command along the translation axis X by means of a hydraulic drive.

[0027]The injection assembly 10 also has a main pressure chamber 26, upstream of the injection piston 20, i.e. upstream of the tail end 24 thereof, for containing and pressurizing the fluid intended for the outward translation of the injection piston 20.

[0028]Furthermore, the injection assembly 10 c...

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Abstract

A hydraulic die-casting machine with electric motor actuated by an inverter, provides an energy saving evaluation system with respect to a die-casting machine without inverter.

Description

FIELD OF THE INVENTION[0001]The present invention relates to a hydraulically actuated die-casting machine, in particular for the die-casting of light alloys. In particular, the object of the present invention is a die-casting machine equipped with an inverter for actuating the electric motor which actuates a hydraulic pump, provided with an energy saving evaluation system.BACKGROUND OF THE INVENTION[0002]As is known, such machines operate on a die consisting of two die-halves coupling to form the cavity corresponding to the piece to be made and consist of a die closing assembly and an injection assembly provided with an injection piston to pressurize the molten metal poured into the die.[0003]For actuating the injection assembly and the closing assembly, as well as for further process management activities, a hydraulic circuit is provided which is regulated by numerous valves and fed by a hydraulic pump.[0004]Some solutions provide for the hydraulic pump to be actuated by an electri...

Claims

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Application Information

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IPC IPC(8): B22D17/32B22D17/10B22D17/26
CPCB22D17/32B22D17/266B22D17/10
Inventor PEZZOLI, ANDREA
Owner ITALPRESSE IND SPA