Efficient Sand Mixer Machine for Optimal Foundry Operations

• Customization: Available
• After-sales Service: Online Support
• Warranty: 1 Year
• Type: Lost Mold Casting Production Line
• Shotcrete Type: Dry
• Machining Process: Brick Production Line
• Structure: Rotor Type
• Productivity: 150m²/h
• Feeding Height: 1380mm
• Vibrating Amplitude: 1.4mm
• Certification: ISO9001: 2000, CE
• Condition: New
• Color: Customized
• Capacity: 40-60mould/Hour
• Casting Sand Mixer: Mixing Green Sand
• After-Sales Service Provided: Free Spare Parts
• Usage: Foundry Castings Production
• Casting Plant: Green Sand Casting Line
• Technology: Green Sand Casting Technology
• Transport Package: Wood
• Origin: China

Product Description

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THE MOST IMPORTANT PROCEDURAL STEPS ARE EXPLAINED BELOW:
1. Source Material for the Pattern
This critical step in lost foam casting requires the selection of materials tailored to the casting material itself. For aluminum die castings, expandable polystyrene (EPS) infused with pentane serves as the ideal choice for the blowing process. agent. However, for cast iron and steel components, a specialized copolymer blend of EPS and EPMMA is employed to achieve optimum results.

2. Pre-expansion
Thanks to pentane's function as a blowing agent, polystyrene becomes expandable. The process includes a bead pre-expanded utilizing a fluidized bed dryer for enhanced performance.
3. Molding
In this phase, pre-expanded EPS beads are injected into a metallic permanent mold using compressed air via a fill gun. Heating within the mold causes the beads to bond, forming the precise pattern geometry. Discover the intricate molding making process detailed below.
4. Pattern Section Assembly and Mounting on a Gating System
Complex pattern geometries are broken down into simpler sections, which are then meticulously assembled into one unified pattern post-foaming and drying. These assembled patterns are strategically mounted on a singular gating system, forming the essential cluster.
5. Coating of the Clusters
The assembled clusters are submerged in a water-based refractory coating, achieving a robust 2mm thickness for excellent durability and performance.
6. Mold Filling The coated cluster is carefully placed within a flask, where quartz sand is systematically filled using a sand raining feeder and compacted on a vibration table, fully embedding the cluster except for the sprue.
7. Casting
A down sprue aligns over the EPS sprue, guiding molten metal to cascade through to the gating system of the foam pattern. The intense heat of the molten metal disintegrates the EPS cluster, allowing it to flow into the mold cavity, capturing every intricate detail. Explore the decomposition process elaborated below.
8. Demolding
Once the molten metal solidifies, the casting is formed and promptly conveyed to the next stage for further meticulous cleaning.
9. Sand Processing Department
Post-demolding, the used sand is directed to the sand processing system, where it undergoes treatment to be recycled efficiently and sustainably..

Product Parameters

Model	GZS16-30	GZS20-75	GZS22-75	GZS22-90	GZS25-110	GZS25-132	GZS29-200
Product name	High efficiency sand mixer	High efficiency sand mixer	High efficiency sand mixer	High efficiency sand mixer	High efficiency sand mixer	High efficiency sand mixer	High efficiency sand mixer
Disc diameter(mm)	φ1600	φ2000	φ2240	φ2240	φ2500	φ2500	φ2850
Productivity(t/h)	15-20	25-32	30-35	35-40	40-45	50-60	60-80
Main motor power(kw)	30	75	75	90	110	132	200
Rotor motor power(kw	2×15	2×22	2×30	2×37	2×45	2×55	2×55
Spindle speed(r/min)	34	31.72	27.32	27.32	27.3	27.32	25.4
Rotor speed(r/min)	980	980	975	975	950	950