Compounding method of anti-breakage wear-resistant ZG35GrMnSi steel part by two times
A technology for components and wear-resistant ceramics, applied in the field of composite material casting, can solve the problems of high cost of surfacing materials, factory and production losses, large labor costs, etc., to achieve fracture resistance, good toughness and wear resistance, and economical Cost, recycling reduction effect
Inactive Publication Date: 2019-10-29
朝阳多元双金属复合制造有限公司
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Problems solved by technology
[0002] At present, the hammer head, counterattack plate, liner plate and tooth plate produced by high chromium cast iron materials all adopt wear layer surfacing welding technology, the cost of surfacing welding materials is high, and the labor cost is relatively large.
Although the products produced have improved service life, they are all easy to break, which brings great losses to the factory and production
Method used
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[0017] The present invention is specifically described below in conjunction with the accompanying drawings, as shown in the drawings,
[0018] (1) Divide the box during modeling, leave the pouring port and the riser 8 in the upper box modeling, and insert the mesh frame 7 made of wear-resistant ceramic (or brown corundum) material particles wrapped by the steel mesh 6 in the cavity of the upper box 1 For the inner wear part, the lower box 2 is shaped according to ZG35GrMnSi steel, and the pouring port is reserved; after the molding is completed, the box is closed for pouring;
[0019] (2), pour ZG35GrMnSi molten steel 3 with a melting temperature of 1450-1550 ℃ into the cavity of the lower box that has been formed, and cool down after reaching a predetermined position;
[0020] (3) After the ZG35GrMnSi molten steel 3 is cooled to 1300-1400 °C, pour the high-chromium cast iron water 5 with a melted temperature of 1420-1520 °C into the upper box cavity;
[0021] (4) At this tim...
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Abstract
The invention discloses a compounding method of an anti-breakage wear-resistant ZG35GrMnSi steel part by two times. The method is characterized in that a net rack made of a steel wire mesh wrapping wear-resistant ceramic material particles is embedded in an wore part in an upper box cavity, and a pouring opening is reserved in a lower box; molten ZG35GrMnSi molten steel is poured into a prepared lower box cavity, and cooling is carried out after the molten steel reaches a preset position; molten high-chromium cast iron is poured into the upper box cavity; the surface layer of the ZG35GrMnSi steel surface is melted, and the molten steel and the high-chromium cast iron are compounded into a whole; along with pouring the high-chromium cast iron into the molding cavity body, the net rack is melted and immersed into wear-resistant ceramic material particles; and the wear-resistant ceramic material particles are uniformly distributed on the wore part taken the high-chromium cast iron as thematrix. According to the method, the cost is saved, the expense is reduced, the effects of improving the fracture resistance, the flexibility and the wear resistance of a hammer head, a impact plate,an liner plate and a toothed plate are good, and the influence of components is reduced for recycling and reusing.
Description
technical field [0001] The invention relates to the technical field of casting, in particular to a method for casting composite materials. Background technique [0002] At this stage, the hammer head, impact plate, lining plate and tooth plate made of high-chromium cast iron materials all adopt the wear layer surfacing technology, and the cost of surfacing welding materials is relatively high, and the labor cost is relatively large. Although the products produced have improved service life, they are easy to break, which brings great losses to the factory and production. SUMMARY OF THE INVENTION [0003] For solving the above-mentioned technical problems, the object of the present invention is to provide a kind of casting method of composite material, and the concrete technical scheme is as follows: [0004] A two-time composite method for fracture-resistant and wear-resistant ZG35GrMnSi steel parts, the steps are as follows: [0005] (1) Divide the boxes during modeling,...
Claims
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IPC IPC(8): B22D19/16B22D23/04
CPCB22D19/16B22D23/04
Inventor 郝凤山
Owner 朝阳多元双金属复合制造有限公司