HSI Impact Plates & Aprons | Manganese, High Chrome & Ceramic Inserts
High-performance HSI impact plates and aprons designed for horizontal shaft impact crushers used in mining, quarrying and recycling applications. Manufactured from high manganese steel and wear-resistant alloys to withstand repeated impact and abrasion inside the crushing chamber. Compatible with major impact crusher brands including Metso, Sandvik, Kleemann and more.
Impact Plates: Wear Protection for HSI Crushers
Impact plates (also known as aprons or breaker plates) form the stationary crushing surfaces inside horizontal shaft impact (HSI) crushers. Material accelerated by the rotor and blow bars strikes these plates at high velocity, generating secondary impact that further reduces particle size and improves product shape.
The position, angle and material composition of impact plates directly influence crusher efficiency, product gradation and overall wear life. Properly designed plates help control the material trajectory inside the crushing chamber, ensuring consistent reduction while minimizing excessive recirculation of oversize particles.
Our impact plates are engineered to match OEM specifications and are compatible with major impact crusher brands worldwide. Custom dimensions, alloy compositions and chamber configurations are available to optimize performance for specific feed materials and operating conditions.
HSI Blow Bar Strike Edge
Material hardness directly affects wear resistance and service life
HSI Impact Plates & Apron Liners Gallery for Impact Crushers
Explore our range of HSI impact plates and apron liners for impact crushers used in mining, quarrying and recycling applications. MineVant manufactures impact plates using high chrome alloys and advanced ceramic insert technology to deliver superior wear resistance in abrasive crushing environments.Each plate is engineered to match OEM specifications and crusher chamber geometry, ensuring reliable performance, improved wear life and consistent material flow within the crushing chamber.
Material Options for HSI Impact Plates
Selecting the right alloy depends on chamber position, feed material abrasiveness and impact conditions. Higher positions require greater impact resistance, while lower positions demand superior abrasion resistance.
| Materials | Applications |
|---|---|
| Chrome Casting Plates | Designed for highly abrasive materials such as granite, basalt and hard aggregates where maximum wear resistance is required. |
| Chrome Casting Plates with Ceramic Inlay | Ideal for extremely abrasive conditions. Ceramic inserts significantly extend service life compared with conventional high chrome liners. |
| Martensitic Steel Casting Plates | Best suited for applications requiring higher impact resistance, such as recycling, limestone and less abrasive materials. |
| Martensitic Steel Casting Plates with Ceramic Inlay | A balanced solution combining impact resistance and improved wear life for mixed feed materials and demanding crushing conditions. |
Related Impact Crusher Wear Parts
BLOW BARS
Primary impact crusher wear parts mounted on the rotor. Available in martensitic steel, high chrome, and ceramic insert composites.
SIDE LINERS
Replaceable liner plates that protect the crusher housing from material abrasion and wear.
CERAMIC INSERT TECHNOLOGY
Advanced ceramic insert technology designed to significantly extend wear life in high-abrasion crushing conditions.
Key Technical Features of MineVant Impact Plates
Selecting the correct blow bar material is critical for maximizing impact crusher performance and wear life. Different alloy systems provide different levels of hardness, impact resistance and abrasion resistance. The guide below compares common impact crusher blow bar materials and their typical applications to help determine the most suitable option for your crushing conditions.
| High Chrome Wear Resistance | High chromium cast iron provides excellent abrasion resistance for crushing highly abrasive materials such as granite, basalt, and hard aggregates |
| Ceramic Insert Technology | Optional ceramic inlays significantly improve wear life in extreme abrasion applications, reducing replacement frequency and downtime. |
| Engineered for HSI Crusher Chambers | Impact plates are designed for primary, secondary, and tertiary chamber positions to ensure proper material flow and consistent crushing performance. |
| Engineered for HSI Crusher Chambers | Direct replacement for major HSI crusher brands including Metso, Sandvik, Terex, Kleemann, Hazemag, and McCloskey. |
| Precision Casting Manufacturing | Manufactured using controlled casting and heat treatment processes to ensure consistent hardness, strength, and dimensional accuracy. |
Impact Plates Maintenance Guide
Proper inspection and maintenance of impact plates help maintain crusher efficiency and extend wear life.
- Regular Wear Inspection
Inspect impact plates periodically for excessive wear, cracks, or deformation. Early detection prevents damage to other crusher components. - Monitor Plate Thickness
Measure plate thickness during scheduled maintenance. Replace plates before wear reaches the minimum recommended thickness. - Maintain Correct Crusher Gap
As impact plates wear, the crushing chamber gap may change. Adjust settings to maintain consistent product size and crusher performance. - Check Mounting Bolts
Ensure mounting bolts and fixing hardware remain properly tightened. Loose plates may cause abnormal wear or vibration. - Replace Plates When Necessary
Replacing worn plates at the correct time helps maintain proper material flow and prevents excessive wear on other crusher components.
Chamber Wear Distribution
Check wear patterns across the impact plates to ensure even material flow inside the crushing chamber. Uneven wear may indicate incorrect feed distribution or chamber settings.
OEM COMPATIBILITY
HSI Crusher OEM Compatible Impact Plates
Our impact plates are manufactured for compatibility with major HSI crusher brands used in mining, quarrying, and recycling applications.
| OEM Brand | Compatible Models |
|---|---|
| Metso | NP-LT1007, NP-LT1110, NP13, NP15, NP1520, NP1620,NP1007, NP1110, NP1213, NP1313 (NP13) |
| Hazemag | APK30, APK40, APK50, APK60, APK105, APK1006, APK1013, AP-PM1822, AP-PM2225, HAZ790, HAZ853, HPI2025, HAZ796, HAZ797. |
| Sandvik | CI124, CI224, QI340, QI341, QI353, QI441 |
| Kleemann | MR100Z, MR110Z, MR122Z, MR130Z, MR150Z, SHB10, SHB12, SHB13, SHB14, MR-130 Z/R EVO-2 |
| Terex Finlay | I-100, I-110, I-120, I-130, I-140, IC110 |
| Terex Cedarapids | 5048 HIS, 5064 HIS |
| Terex Evoquip | Cobra 230, Cobra 260, Cobra 290 |
| McCloskey | I34, I44, I4C, I54 |
| Rubblemaster | RM60, RM70, RM80, RM90, RM100, RM120 |
| Keestrack | R3, R5, R6 KP, R6 KT, Destroyer 1112, Destroyer 1113 |
| KPI-JCI (ASTEC) | FT4240, FT4250, FT5260 |
| SBM | 1311, 1313, REMAX 200, REMAX 300, REMAX 400 |
| Rockster | R700, R900 |
| Hartl | 1060, 1270, 1310 |
| Eagle | 500, 1000, 1200, 1400, 1600 |
| Lippmann | 4248, 5165 |
| Striker | 907, 1112, 1312, 1315 |
| Tesab | RK1012, RK623, RK624 |
| IROCK | S3151-13-4, S3151-13-5 |
| Inertia | 4048, 5066 |
| Portafill | 7000-IC |
Model not listed? Contact MINEVANT with your crusher model, part number or blow bar dimensions. Our engineering team can manufacture custom impact plates according to drawings within 3–5 weeks.
Compatible with HSI crushers from leading manufacturers including Metso, Hazemag, Kleemann, Rubble Master and other global brands.
HSI Impact Plates FAQs
Find answers to common questions about impact crusher blow bars, materials, wear life, and replacement.
How often should impact plates be replaced?
The replacement interval of impact plates depends on the crusher model, feed material abrasiveness, and chamber position. In many aggregate applications, impact plates typically last longer than blow bars because they receive indirect impact rather than direct rotor strikes. Regular inspection during maintenance shutdowns is recommended. Plates should be replaced when wear approaches the minimum safe thickness to prevent housing damage and maintain crusher efficiency.
What materials are used for HSI impact plates?
HSI impact plates are commonly manufactured from high chrome cast iron, martensitic alloy steel, or composite materials with ceramic inserts. High chrome alloys provide excellent abrasion resistance for hard rock applications, while martensitic steel offers better impact resistance. Ceramic insert technology can significantly extend wear life in extremely abrasive conditions.
What causes uneven wear on impact plates?
Uneven wear on impact plates is usually caused by improper feed distribution, incorrect crusher settings, or uneven chamber loading. Overfeeding one side of the crusher or operating with incorrect rotor speed and gap settings can accelerate wear in specific areas. Maintaining proper feed control and regularly inspecting chamber components helps ensure balanced wear.
Can impact plates be flipped or rotated?
Unlike blow bars, most impact plates are designed as fixed wear components and typically cannot be flipped or rotated. Once the working surface reaches its wear limit, the plate should be replaced. Some crusher models may allow limited repositioning depending on chamber configuration, but replacement is the most common maintenance practice.
Are impact plates compatible with different crusher brands?
Yes. Many aftermarket manufacturers produce impact plates compatible with major HSI crusher brands such as Metso, Hazemag, Kleemann, Rubble Master, Sandvik, and Terex. When ordering replacement plates, it is important to confirm the crusher model, part number, and chamber position to ensure proper fit and performance.
How do I choose the right impact plate for my crusher?
Selecting the correct impact plate depends on the crusher model, feed material characteristics, and the chamber position where the plate is installed. Our engineering team can recommend suitable material options such as high chrome, martensitic steel, or ceramic insert plates based on your application requirements.