Liquid-state bimetal composite hammer for crusher and manufacturing method thereof
A composite bimetallic and composite hammer head technology, applied in grain processing, etc., can solve the problems of difficult on-site operation, difficult to stabilize quality, and inapplicability, and achieve the effects of avoiding air bubbles and inclusions, reasonable operation, and prolonging service life
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Embodiment 1
[0037] Liaoning Jianping Jianlong Mining Concentrator 1200 horizontal hammer crusher, the weight of the hammer head is 10kg. Selected the liquid composite bimetallic tup of the present invention, wherein used bimetallic material composition is as follows (wt%):
[0038] Hammer part: C Si Mn Cr Mo Ni Cu P S
[0039] 2.85 0.46 0.68 16.58 0.50 0.56 0.43 0.043 0.038
[0040]Hammer part: C Si Mn P S
[0041] 0.42 0.51 0.65 0.036 0.032
[0042] Through practice comparison, when adopting high manganese steel material hammer head, use 8 hours will change, when adopting railroad steel forging hammer head, use 12 hours to replace, and when using liquid composite bimetal composite hammer head of the present invention, can Work continuously for 36 hours.
Embodiment 2
[0044] Inner Mongolia Ulanhot Hongguang Quarry 1400 hammer crusher, hammer head weight 23kg. Because this tup is used for a long time, so the hammer handle part requires a certain strength, the liquid composite bimetal tup of the present invention has used the following ingredients (wt%):
[0045] Hammer part: C Si Mn Cr Mo Ni Cu P S
[0046] 2.96 0.51 0.72 15.85 0.52 0.60 0.42 0.041 0.032
[0047] Hammer handle: C Si Mn Cr Mo P S
[0048] 0.48 0.51 0.96 1.18 0.23 0.036 0.025
[0049] Through practical comparison, the high manganese steel material has to be replaced after 24 hours of use at most, and the liquid composite bimetallic composite hammer head (2 groups of 16 for each group) of the present invention has an average lifespan of 102 hours.
Embodiment 3
[0051] Inner Mongolia Hailaer Fuqiang Crushing Plant, box-type 1400 hammer crusher, hammer head weight 28kg. It should be emphasized that the feeding methods of the box-type hammer crusher and the horizontal hammer crusher are different, so the wear parts are different. The horizontal hammer crusher basically only wears the hammer head part, while the box-type hammer crusher wears the part of the hammer head. Simultaneously also more serious to hammer handle wear and tear, liquid composite bimetallic tup of the present invention has adopted following composition (wt%):
[0052] Hammer part: C Si Mn Cr Mo Ni Cu P S
[0053] 3.12 0.50 0.80 17.0 21.51 0.60 0.38 0.042 0.038
[0054] Hammer part: C Si Mn Cr Mo Ni P S
[0055] 0.52 0.48 0.66 3.83 0.50 0.50 0.035 0.032
[0056] Through practical comparison, the high manganese steel hammer needs to be replaced after 16 hours of work, and the liquid composite bimetal composite hammer of the present invention can ...
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