& nbsp; J455C 500Kg low pressure casting machine is a general equipment for aluminum alloy low pressure casting. It is the latest design product of J455, and can be widely used in the production of aluminum alloy castings in automobile, motorcycle, instrument, textile machinery and aerospace industry& nbsp; This model of low-pressure casting machine adopts multiple new technologies and is currently the most fully functional and automated low-pressure casting machine in China& nbsp; & nbsp; The machine is composed of a main machine (including a clamping mechanism, a static mold four core pulling mechanism, a frame, a safety limit mechanism, and a piece taking mechanism), a hydraulic system, a melt pool type insulation furnace and a transmission car, a mold loading car, a liquid level pressurization device, an electrical control system, and a mold cooling system.Performance characteristics: The clamping mechanism is guided by four pillars and adopts a fast and slow clamping method to improve work efficiency and reduce impact on the mold. The static template is rigidly connected to the rack. The lower part of the upper template is equipped with four ejector rods, which can eject the casting from the mold when the mold is in place; A safety limit device driven by a cylinder is installed on the upper part of the combined cylinder seat, which can prevent the sliding of the moving template within the travel range of the moving template; Four static mold core pulling mechanisms are installed on the static template and driven by four oil cylinders to achieve vertical parting on the four sides of the mold; The automatic safety protection door and photoelectric protection device are set on the equipment operation surface to prevent human body entry during equipment operation, ensuring the safe operation of the operator; The picking manipulator has three degrees of freedom of movement, namely X-axis, Y-axis, and rotation, to ensure that the casting is not damaged during picking and can correctly determine whether the casting has fallen;The machine can be equipped with multiple air-cooled and water-cooled cooling circuits, which can automatically control the cooling time mode; Adopting a molten pool type insulation furnace. Radiation heating, PID control. Rated temperature range: 680-750 ℃, temperature control accuracy:± 5℃； The insulation furnace is fixed on the transmission trolley, and the furnace body is lifted and lowered through a lifting mechanism. The trolley is driven by a hydraulic motor to move smoothly forward and backward. The electrical control system adopts a monitoring method of upper and lower computers. Using an imported PLC as the lower control machine, complete the sequential operation of the main machine, liquid level pressurization, and mold cooling control of the low-pressure casting machine. Using an imported human-machine interface or industrial control computer as the upper computer, complete the parameter setting and modification of the low-pressure casting machine, monitor and display pressure data and curves, as well as machine working status and fault alarm information. The monitoring method of the upper and lower computers ensures that even in the event of a malfunction in the upper computer, the lower control system can still automatically operate according to the preset process parameters, from; Further improving system stability; The liquid level pressurization device adopts a pneumatic inlet proportional valve and high-precision pressure sensor to achieve pressure detection and real-time closed-loop feedback control in the insulation furnace, with PID adjustment method. It has functions such as multi-level linear pressurization, automatic tracking and setting of pressurization curve, insulation furnace leakage compensation, and liquid level compensation. High pressure control accuracy and good repeatability ensure the stability and consistency of the low-pressure pouring process, effectively improving the yield of castings.technical parameter Parameter NameRefer to; numberCompanyHolding Furnace Capacity (AL)five hundredKgMoving template size1100X780mmSpacing between square columns1420X1200mmMoving template travelone thousand two hundred and fiftymmOpening forceone hundred and sixtyKNCombining forcetwo hundred and fortyKNMinimum opening gearseven hundred and fiftymmMaximum opening geartwo thousandmmHydraulic system working pressuretwelveMPaStatic mold left and right core pulling forceseventy-fiveKNCore pulling force before and after static moldfifty-sixKNLeft and right core pulling stroke of static moldthree hundred and ninety-fivemmCore pulling stroke before and after static moldeightymmOil pump motor powereighteen point fiveKWInsulation furnace powerthirty-sixKWTotal weight of the machinetwenty-four thousandKg
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