Material Selection Guide for Vertical Shaft Impact Impactors
HAUSMING® Vertical Shaft Impact Crusher Wear-Resistant Material Selection Guide
Vertical shaft impact crushers (VSIs) are widely used in sand making and aggregate shaping due to their unique “stone-on-stone” and “stone-on-iron” crushing principles. However, their high-speed rotating rotor and components within the crushing chamber are constantly subjected to intense impacts and wear from materials. The choice of wear-resistant materials directly determines the equipment’s operating costs, downtime, and production efficiency. This guide aims to help you select the most suitable material for the core wear-resistant components of your VSI crusher based on different operating conditions.
Rotor throwing head
The throwing head is the core working component on the VSI crusher rotor that bears the most severe impact and wear, and is responsible for throwing the material out at high speed.
Material selection suggestions:
Carbide-embedded polishing heads: For highly abrasive hard materials such as granite, basalt, and quartz, a carbide (tungsten carbide) inlay solution is recommended. The working surface hardness can reach HRC62 or higher, with extremely outstanding wear resistance. Leading international VSI manufacturers such as Metso also widely use high-quality tungsten carbide polishing heads.
High-chromium cast iron polishing heads: Suitable for moderately abrasive materials, offering high cost-effectiveness. A two-liquid composite casting process using high-chromium cast iron and low-alloy steel can be employed, balancing wear resistance and matrix toughness.
Ceramic composite polishing heads: Under extremely abrasive conditions, the lifespan of ceramic composite polishing heads is approximately 2-3 times that of high-chromium alloy polishing heads, making them the ideal choice for those seeking the longest replacement intervals.
Zhou Huban
The peripheral guard plate is a fixed wear-resistant component inside the crushing chamber that withstands the impact of materials.
Material Selection Recommendations:
High-chromium cast iron: Suitable for “stone-on-iron” crushing modes, with good wear resistance.
High-chromium + ceramic composite: Incorporating ceramics into standard high-chromium cast iron significantly improves the hardness of the wear-resistant surface, resulting in a significantly extended service life.
Manganese steel: Suitable for applications with high impact and relatively low abrasion.
Feeding tray
Responsible for evenly distributing materials to each discharge port of the rotor.
Material Selection Recommendations:
High-chromium cast iron: Provides excellent wear-resistant base protection.
Hard alloy particle-reinforced composite material: Embedding hard alloy particles into the ductile iron matrix significantly improves wear resistance.
Feed pipe and feed eyelet
The material enters the rotor through a channel that is subjected to the scouring effect of falling material.
Material Recommendations:
High-chromium cast iron: Standard configuration, meeting general wear resistance requirements.
Ceramic lining: For highly abrasive materials, using a ceramic lining can significantly extend service life.
HAUSMING®’s Commitment
At HAUSMING®, we understand that every VSI crusher operates under unique conditions. Therefore, we offer a full range of wear-resistant solutions, including high-manganese steel, high-chromium cast iron, carbide inserts, and ceramic composites, and can also provide customized material solutions based on your specific material characteristics and equipment model.
All HAUSMING® VSI wear-resistant parts are fully compatible in size and function with the specified crusher models, ensuring installation compatibility and service life, helping you achieve more economical operation and maintenance goals.
Contact us for material selection advice and a quote tailored to your specific operating conditions.
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HAUSMING® manufactures and warrants the aftermarket parts shown on this website. Metso® and Sandvik® are trademarks of their respective owners and are used solely to identify equipment compatibility. HAUSMING is not affiliated with, endorsed by, or sponsored by those trademark owners.