| Customization: | Available |
|---|---|
| Type: | Clay Wet Sand |
| Casting Method: | Thermal Gravity Casting |
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| Model | Maximum sad box size:mm | Table size:mm | Working air pressure:Mpa | Working oil pressure:MPa | Multi-contact distance:mn | Shock load:Kg | Compaction cylinder diameter | Distance between contact and worktable:mm | Number of contacts:Pcs | Main air inlet pipe (2 places) | Free air consumption:mm |
| SZD0906 | 1030×760×400 | 1050×830 | 0.8 | 7 | 400 | 2500 | φ700 | 620 | 40 | 1½,1" | 3.5m³ |
| SZD1414 | 1500×1480×410 | 1700×1500 | 0.8 | 7 | 670 | 2600 | φ800 | 670 | 72 | 1½,1" | 3.5m³ |
The Hydraulic Multi-Piston Moulding Machine is the epitome of advanced engineering, designed for seamless integration into diverse foundry workshops. This powerhouse is adept at performing green sand up and down box moulding. Flexible in its application, the machine can operate as a standalone unit or be part of a sophisticated mechanized assembly line. Its design incorporates an air cushion type full-buffer pneumatic micro-vibration mechanism, ensuring ease of installation with no special foundation requirements. The starting mold is engineered with a connecting rod synchronous shaft structure and features pneumatic oil speed control, allowing for impeccable synchronization and the freedom to control speed effortlessly.
Characteristics of Hydraulic Multi-Piston Moulding Machine:
1. This state-of-the-art machine utilizes pneumatic multi-contact compaction, effectively eliminating the common issue of oil leakage. The pressure ratio is precisely moderate, with no stringent requirements for model sand. Boasting a substantial number of contacts ranging from 24 to 72, it is perfectly suited for intricate modeling tasks.
2. During compaction, the frame remains unburdened by force. Instead, the table is ingeniously hooked by four tie rods descending from the side of the multi-contact body. The compaction process occurs through the downward extension of the multi-contact. When the contact, hook, sand box, model plate, and table are considered a unified system, the compaction strength is an internal force, aptly termed as internal compaction.
3. The machine employs a pressing shock compaction technique, where the contact not only compacts the sand but also collaborates with the table in executing the shock, distinct from the rack which remains vibration-free. This results in an exceptional shock compaction effect, delivering sand hardness that is both high and uniform, registering an impressive average hardness of 85 to 90 on the B hardness meter. The sand consumption volume can be minimized to 20 to 30mm, with a sand consumption ratio reaching H:B=2 to 3. Remarkably, the hardness of the cavity's vertical surface maintains a level above 80.
The Hydraulic Multi-Piston Moulding Machine is a masterful composition encompassing a machine body, table, hydraulic piston contact box, mould starting mechanism, pneumatic contact box, and pneumatic piping system, among other integral components.
1. The machine body is constructed as a robust hollow framework. The upper section supports the swivel arm press head part. During compaction, the swivel arm secures the machine body, enabling the press force to be absorbed by the machine body. The connection between the machine body and the shock mechanism is solidified with bolts. The press head, affixed to the swivel arm, includes a screw elevator, facilitating adjustments to align the press head with the sand box height.
2. The working table, crafted from ductile iron through casting and shaping, is tailored according to the dimensions of the sand box for optimal performance.
3. The Hydraulic Piston Contact Box is an assembly of a multi-contact body, pneumatic multi-contact, and four pull hooks. The principle underlying pneumatic multi-contacts involves concentrating compaction inlet air on the multi-contact body, channeling it into the internal air cavity, and subsequently into the lower air cavity of the fixed piston. This is achieved through a specialized channel on the piston, which, under air pressure, drives the connected contacts downward to apply pressure on the sand type. The resulting pressure is calculated as the sum of d1 and d2, reduced by the area of d3, all multiplied by air pressure, enabling substantial force application.
4. The mould starting structure is a sophisticated arrangement comprising two mould starting cylinders, a connecting rod, balance shaft, mould starting table, and mould starting rod. Upon activation of the mould starting cylinder, these elements work in harmony to elevate the four top rods, lifting the sand box and initiating the mould simultaneously.
5. The Pneumatic Piping System is designed to optimize machine functionality. It begins with the input of compressed air, which is purified through an air filter to eliminate water and impurities. Subsequently, an oil mist injects lubricant, supplying each pneumatic component and institution. Machine operations are controlled via a hand-pull valve console, ensuring precision and ease of use.
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