One of our customers needs us to cast Mn14 mill liners for his ball mill. The detailed technical requirements as following： Material: C 1. 1～1. 5, Mn 11. 0～14. 0, Si 0.3-0.8, P＜ 0.05， S＜ 0.05，Mn/C ＞9.0 Tensile strength σ B / MPa ≥637 Elongation (%) ≥20 Impact toughness / (J / m*m) ≥15 Hardness…
One of our customers had asked us to manufacture Ni-hard mill liner for his Φ2.6m Rod Mill. Rod mill uses steel rods as the grinding media in tumbling mills is an efficient means to feed ball mills a product finer than could be made in a crusher but coarser than could be made in a ball…
An autogenous mill is a new type of grinding equipment with both crushing and grinding functions. It uses the grinding material itself as the medium, through the mutual impact and grinding effect to achieve comminution. The semi-autogenous mill is to add a small number of steel balls into the autogenous mill, its processing capacity can…
Our customer is a gold concentrator. The design capacity of the gold concentrator is 2 000 t / D, and the general hardness coefficient of the ore is 8-10. The ore belongs to the high-temperature hydrothermal altered rock type gold ore occurring in the compressional structural fracture zone of mylonite. The content of arsenic and…
We have a Russian customer, who has a cement clinker production line, which includes a Ф 2.2m × 6.5m ball mill. One month after the ball mill was put into operation, the mill liners and step liner of the first bin were broken frequently. At most, 18 pieces were broken in one week, which needs…
Our Finland customer used the manganese steel shredder hammer to crush metal recycle material. However, the manganese hammer just can run around 150 hours. By analysis of the used hammer, the hardness of the used surface is only HB186-222. Only a few grains were found to slip on the use surface, and most of them…
High manganese steel is widely used in casting small-weight hammers (normally less than 90kg). However, for metal recycle shredder hammers (normally weight around 200kg-500kg), manganese steel is not suited. Our foundry uses low alloy steel for casting big shredder hammers. Low Alloy Steel Shredder Hammer Material Element Selection The alloy composition design must fully…
There is a 60-89 gyratory crusher in our customer (Qidashan Iron Mine). The service life of the original manganese gyratory crusher liners is short and the replacement times are more than two months per year, which seriously affects the operation rate of the crushing system and restricts the subsequent beneficiation Increase of industrial system output.…
13 Tons of Jaw Plate Production Processing In 2008 year, Qiming Machinery got an order from a USA customer, who need to produce a big jaw crusher liner. Weight around 13 tons, sizes:4200mm*2300mm*400mm, the tooth face is working face, the back face is installation face, need machining, the material had chosen Mn18 alloy steel. 13T…
PF1010 impact crusher is a hard rock crushing equipment with compact structure, high crushing efficiency, low noise and good safety performance, which is developed on the basis of digesting and absorbing foreign advanced technology. The design power of the machine is 160 kW, the rotor speed is 37 m / s, the productivity is 120…
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