| 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 a versatile solution for foundry workshops, perfect for green sand up and down box molding. Whether standalone or as part of an automated assembly line, this machine excels. It features an air cushion full buffer pneumatic micro-vibration mechanism, eliminating the need for special foundation requirements. The starting mold is equipped with a connecting rod synchronous shaft structure and pneumatic oil speed control, ensuring excellent synchronization and effortless speed adjustments.
Characteristics of the Hydraulic Multi-Piston Moulding Machine:
1. Our machine utilizes pneumatic multi-contact compaction, skillfully sidestepping the issue of oil leakage. Its moderate pressure ratio is compatible with a variety of model sands, with an extensive contact range of 24-72 points, making it ideal for intricate modeling tasks.
2. During compaction, the frame remains unstrained, as the table is secured by four tie rods descending from the multi-contact body. Compaction occurs through the downward extension of the multi-contact system. When viewed as a cohesive system, including contact, hook, sand box, model plate, and table, this internal force or internal compaction ensures robust strength.
3. The pressing shock compaction method works by compacting sand while synchronously engaging with the table, creating an impressive shock effect. As the rack stays unaffected by vibrations, the outcome is uniform and high sand hardness, averaging 85-90 on the B hardness meter. Efficient sand usage is highlighted by a minimal sand eating volume of 20-30mm and a sand eating ratio of H:B=2~3, while the vertical cavity surface hardness consistently exceeds 80.
The Hydraulic Multi-Piston Moulding Machine encompasses a robust assembly of crucial components, including the machine body, table, hydraulic piston contact box, mold starting mechanism, pneumatic contact box, and a sophisticated pneumatic piping system.
1. A solid hollow framework defines the machine body, where the upper portion accommodates the swivel arm press head. During compaction, the swivel arm secures the machine body, transferring press force to the machine body itself. Machine body and shock mechanism unite through bolts. The press head, mounted on the swinging arm, offers a screw elevator to adjust its distance from the sand box, tailored to its height.
2. The working table, crafted from ductile iron and meticulously shaped, adapts to align with the dimensions of the sand box, ensuring adaptability and resilience.
3. Within the hydraulic piston contact box, a multi-contact body, pneumatic multi-contact, and four pull hooks reside. The pneumatic multi-contacts operate by concentrating compaction inlet air within the multi-contact body, channeling it to the fixed piston's internal air cavity. Pressurized air travels through a specialized path, working in synergy to lower contacts connected to the cylinder barrel, imparting pressure to the sand type. This pressure is calculated as the sum of d1 and d2, minus the area of d3 multiplied by air pressure, generating substantial force.
4. The mold starting structure integrates two mold starting cylinders, a connecting rod, balance shaft, mold starting table, and mold starting rod. Activation of the mold starting cylinder engages these elements, lifting the sand box and synchronizing mold commencement.
5. The pneumatic piping system channels compressed air through a filter, purging it of water and impurities. Following lubrication by an oil-mist injector, the purified air serves various pneumatic components and mechanisms. Operational control is achieved through a hand-pull valve console, orchestrating machine actions with precision.
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