High Performance Foundry Mixing Mixer for Optimal Sand Quality

• 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 crucial phase of lost foam casting demands careful material selection tailored to the specific casting material. When crafting aluminum die castings, we opt for expandable polystyrene infused with pentane, which acts as a blowing agent. For cast iron and steel parts, however, a specialized copolymer combining EPS and EPMMA is employed to meet the necessary specifications.

2. Pre-expansion
Polystyrene becomes expansible owing to its pentane content, serving as a blowing agent. Here, we present a bead pre-expanded using a fluidity bed dryer for optimal results.
3. Molding
In crafting the pattern section, pre-expanded EPS beads are propelled through a fill gun into a metallic permanent mold using compressed air. Through heat, the beads fuse to form the precise pattern geometry desired. Explore our comprehensive molding process below.
4. Pattern Section Assembly and Mounting on a Gating System
To construct complex pattern geometries, segments are assembled into one complete pattern post-foaming and drying. These assembled patterns are then mounted on a unified gating system to form the cluster.
5. Coating of the Clusters
The clusters, once mounted, are submerged in a water-based refractory coating, achieving a uniform thickness of approximately 2mm.
6. Mold Filling
The coated cluster is positioned within a flask, while quartz sand is dispersed by a sand raining feeder and compacted using a vibration table. Through this process, the cluster becomes entirely embedded in quartz sand, leaving only the sprue exposed.
7. Casting
A downsprue is aligned with the EPS sprue, through which molten metal is poured, flowing seamlessly into the gating system of the foam pattern. As the molten metal interacts with the EPS, it decomposes the cluster, filling every detail of the mold cavity. Delve into the decomposition process outlined below.
8. Demolding
Following the solidification of the molten metal, the casting takes form. These castings are then transported to subsequent stages for further cleaning and refinement.
9. Sand Processing DepartmentPost-demolding, the used sand is conveyed to a processing system, ensuring its effective recycling and reusability.

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