Industrial Mixing Sand Machine for Efficient Green Sand Processing

Product Description

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CRUCIAL PROCEDURAL STEPS UNVEILED:
1. Sourcing the Ideal Material for the Pattern
This is a pivotal step for successful lost foam casting. Selecting materials tailored to specific casting needs is crucial. For producing aluminum die castings, expandable polystyrene infused with pentane as a blowing agent is recommended for optimal results. In contrast, crafting cast iron and steel parts demands a robust copolymer blend of EPS and EPMMA, ensuring strength and durability. 2. The Pre-expansion Phase
Leveraging pentane as the blowing agent, polystyrene gains its expandable quality. Observe a bead in its pre-expanded state, achieved through a fluidity bed dryer, preparing it for further processing.
3. Precision Molding Process
For crafting the precise pattern section, pre-expanded EPS beads are expertly blown with compressed air into metallic molds. Through heating, these beads bond to form the desired pattern geometry. Delve deeper into the intricacies of the molding process below.
4. Assembling Pattern Sections & Gating System Integration
Complex patterns are simplified into segments, which are meticulously assembled post-foaming and drying. Subsequently, multiple patterns are mounted on a unified gating system, forming a cohesive cluster.
5. Cluster Coating Application
Clusters are meticulously dipped in a water-based refractory coating, achieving a robust 2mm thickness for enhanced durability and performance.
6. Mold Filling Mastery
Positioning the coated cluster in a flask, quartz sand is expertly filled using a sand raining feeder and compacted via vibration table. This ensures complete embedding of the cluster in quartz sand, with only the sprue visible.
7. The Art of Casting
A strategically placed down sprue over the EPS sprue facilitates molten metal flow into the foam pattern's gating system. The metal decomposes the EPS, filling the mold cavity intricately. Explore the decomposition process in detail below.
8. Demolding Precision
Once the metal solidifies, the casting takes shape. We then efficiently transport the casting for subsequent cleaning and finishing processes.
9. Sand Processing ExcellencePost-demolding, used sand is directed to our advanced processing system, ensuring efficient sand recycling and sustainability. 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