High Performance Sand Mixer Foundry for Consistent Mixing Results

Product Description

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THE MOST IMPORTANT PROCEDURAL STEPS ARE EXPLAINED BELOW:
1. Source Material for the Pattern
This crucial step lays the foundation for impeccable lost foam casting. Selecting the appropriate material based on the type of casting is essential. For aluminum die castings, expandable polystyrene containing pentane as a blowing agent is chosen for its superior properties. agent. However, when producing robust cast iron and durable steel parts, a copolymer consisting of EPS and EPMMA is preferred for optimal performance. 2. Pre-expansion
With pentane as an effective blowing agent, polystyrene expands impressively, turning into perfectly pre-expanded beads with remarkable fluidity, thanks to a fluidity bed dryer.
3. Molding
In this phase, pre-expanded EPS beads are injected via a fill gun into a metallic mold with compressed air. Upon heating, the beads bond together, creating the precise pattern geometry. Discover the intricate process of mold-making below.
4. Pattern Section Assembly and Mounting on a Gating System
Complex pattern geometries are simplified into sections that are meticulously assembled into a complete pattern post-foaming and drying. These assembled patterns are then strategically mounted on a single gating system, creating a cohesive cluster.
5. Coating of the Clusters
The assembled clusters are expertly dipped and coated with a specialized 2mm-thick water-based refractory coating, ensuring durability and precision.
6. Mold Filling
Once coated, the cluster is carefully positioned within a flask. Quartz sand is then filled by a sand raining feeder and compacted using a vibration table, embedding the cluster perfectly except for the sprue.
7. Casting
Positioning a down sprue over the EPS sprue, molten metal is poured, initiating an intricate flow into the foam pattern's gating system. The metal decomposes the EPS cluster, filling the mold cavity with precision. Explore the nuanced decomposition process outlined below.
8. Demolding
After the molten metal solidifies, the castings take form. These are then transferred to the next process for thorough cleaning and refinement.
9. Sand Processing DepartmentPost-demolding, the used sand is efficiently conveyed to the processing system, ensuring sustainable recycling and optimal reuse in future casts. 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