Our client in Serbia operates a limestone quarry and uses Metso’s mobile crusher station LT1213 machine. Magotteaux products have always been used to wear parts such as blow bars and impact plates. For example, for the crusher blow bars, the customer uses Magotteaux Nexo series chrome ceramic blow bars. Customers emailed us that the Nexo series blow hammers are expensive, consume a lot, and have very high replacement costs.

Background

Machine: Metso LT1213 impact mobile crusher

Working conditions:

• Crushed material: Limestone
• Input size: 0-300 mm

Used blow bars: Magotteaux Neox blow bars

Challenges

Customer feedback: Magotteaux Nexo blow bar has a good service life and stable operation. However, it is too expensive. The purchase cost of a set (4 pieces) exceeds USD 13,000.

As a lead manufacturer of ceramic blow bars in China,  Qiming Casting has developed the 700CX blow bar with the same quality as Magotteaux Nexo. The purchase cost of a set (4 pieces) exceeds 60% of Neox blow bars.

Solution

Qiming Casting supplies a set of 700CX chrome ceramic blow bars instead of Neox blow bars.

Customer Feedback & Results

After our product ran for 400 hours, the customer conducted regular inspections and maintenance:

700CX blow bars checking after 400 hours working (1)

700CX blow bars checking after 400 hours working (2)

700CX blow bars checking after 400 hours working (3)

These are our 700CX blow bars of NP1213 used in Serbia. Currently, there are about 65mm left on the backrest, and about 30mm has been worn away. The current working time is 400 hours, and on the single side of Nexo has been working for about 700-750 hours. Ours should still be able to wear about 40mm, and they are all ceramic areas, so the service life should be longer than Magotteaux’s 750 hours.
However, the wear location at the attack angle is unclear. It may be that 40mm has been worn away; that is, 20mm of ceramic has been used up, and there is still 30mm left, but it is all ceramic area, so it should be able to work for another 350 hours.

After our product ran for 850 hours, the customer told us our 700CX blow bar’s working life is 810 hours, beyond Magotteaux’s Neox blow bars. He feels very surprised and very happy to work with us. Then, the customer places a repeat order with us.

Summary

Qiming Casting’s 700CX LT1213 blow bars had reached Magotteaux’s Nexo blow bars quality and span life in the same working condition. However, our 700CX series chrome ceramic blow bars have more cost-effective.