HAZEMAG 789/APK40 Ceramic blow bar is also made of alloy steel casting but with high hardness industrial ceramics embedded,The hard ceramic sections provide excellent wear performance and increases wear life when blow bar works for crushing in impactor
HAZEMAG 789/APK40 ceramic blow bar are recommended for secondary and tertiary crushing or recycling concretes and asphalt. Chrome ceramic blow bars are usually a good solution for secondary and tertiary crushing and martensitic ceramic blow bars for recycling concrete.
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Blow bars are normally made of the alloy steels including manganese steel, martensitic steel or chrome steel. The wear life of blow bars depends on the hardness of alloy steel made of. Due to the limit of mechanical property of alloy steel, it is too difficult to make it very hard but doesn’t break when receive the impact force meanwhile at a bearable cost.
As a crusher breaks rock, its blow bars are subjected to the abrasive forces and high-speed impacts of the rock. These bars wear quickly and require frequent replacement. This high cost of replacing blow bars not only results in spare parts costs, downtime, and labor costs, but also poses a potential risk of injury to workers. Therefore, crusher operators urgently need blow bars with longer lifespans.
Ceramic-reinforced blow bars represent a significant advancement in aggregate crushing, offering superior performance and durability through Metal Matrix Composite (MMC) technology. This technology integrates highly wear-resistant ceramic inserts into a robust metal alloy matrix, dramatically extending service life and improving operational efficiency. We offer two primary solutions tailored for different applications, with the HAZEMAG 789/APK40 Ceramic Blow Bar being an outstanding example of this technology.
1. Martensitic Blow Bar with Ceramic Insert Martensitic steel is a proven MMC solution, initially developed for recycling construction waste and successfully applied for many years with a high reputation in the market. By adding ceramic inserts to martensitic steel alloys, the service life of the blow bar can be extended by up to 80-150% compared to traditional single-metal blow bars. The outstanding wear resistance of the ceramic inserts enables customers to achieve longer crushing cycles.
2. Chrome Blow Bar with Ceramic Insert High-chromium blow bars are mainly suitable for secondary and tertiary impact crushers and vertical shaft impact crushers. This solution combines the high wear resistance of ceramic compounds with high-chromium white cast iron, extending service life while maintaining the required physical parameters of the matrix. This MMC solution is based on a matrix with an initial hardness of 62 HRc and significant carbide content. In extremely abrasive materials and/or harsh working conditions, it helps customers achieve their main goals: increasing output and reducing production costs.
Featuring the HAZEMAG 789/APK40 Ceramic Blow Bar: This model is a perfect application of the aforementioned MMC technology, with its design optimized for HAZEMAG APK series impact crushers. Field data confirms that the HAZEMAG 789/APK40 Ceramic Blow Bar can increase service life by 80% to over 100% under harsh operating conditions, while maintaining stable product gradation and effectively reducing the percentage of oversize material, delivering significant economic benefits to customers.
Key Features:
Dramatically Extended Lifetime: 80% to 150% increase, depending on the base alloy and application.
Reduced Operating Costs: Lower change-out frequency leads to reduced crusher maintenance and overall production costs.
Stable Performance: Maintains the original wear profile for consistent crusher operation.
Improved Productivity: Enables longer crushing cycles, helping to increase output and improve product gradation.
Besides HAZEMAG 789/APK40 Ceramic Blow Bar, what other Ceramic Blow Bars can we customize?
we also can supply Kleemann impact plate, wear plate, grinding bar, lock such as :HAZ796 Impact plate,HAZ797 Impact plate,HAZ853 Impact plate,APK105 Blow bar,APK1013 Blow bar,AP-S 0813 Blow bar,HAZ1013 Blow bar,APP1013 Blow bar,850A Blow bar,HPI2025 Blow bar,M0172990 Blow bar,M0174348 Blow bar,
SAIKUANG holds a vast mold inventory of an extensive well-known HSI brands including: Hazemag, Mesto, Kleemann, Sandvik, Rockster, Rubble Master, Powerscreen, Evoquip, Striker, Keestrack, McCloskey, Eagle, Tesab, Finlay, KPI-JCI (ASTEC), SBM, Telsmith, Hartl, Lippmann, and others.
You can CONTACT US for a pattern list of the available blow bars. OR quote us the correct model numbers with the materials you require.
