Highly-abrasive copper alloy nut
A high wear resistance, copper alloy technology, applied in the direction of nuts, threaded fasteners, connecting components, etc., can solve the problems of short replacement cycle, general wear resistance, large energy consumption, etc., and achieve low raw material cost, good durability Grinding characteristics, the effect of broad development prospects
Inactive Publication Date: 2007-10-17
赵景财 +1
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Problems solved by technology
[0002] Copper nuts are necessary consumable parts for mining rock drills. Because the original copper nuts are made of phosphor bronze, this material contains high copper, and the current market copper price remains high, so the manufacturing cost is high. In addition, This kind of copper nut is difficult to process, the production line is long, and the energy consumption is large
In addition, the wear resistance of this copper alloy nut is very general, it is easy to wear out when used in mining rock drilling, and the replacement cycle is short, the general use cycle is only more than 10 days. Therefore, a new copper alloy nut was developed to replace the existing one. Copper alloy nuts are very necessary
Method used
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Experimental program
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Effect test
Embodiment Construction
[0008] High wear resistance copper alloy nut is made of 72% Cu, 6.5% Al, 14% Zn, 2.5% Mn, 0.8% Si, 1.2% Ni, 1% Ti, 2% Fe. Made by casting and forging.
[0009] Its production process includes casting, planing, forging, turning, blanking, and forming processes.
[0010] Melting and casting: first put Cu, Mn, Si, Ni, Ti, Fe into a 100kg intermediate frequency electric furnace to melt, then add Zn, Al, and the casting temperature is 1100-1200°C.
[0011] Planing: The ingot is planed and cared.
[0012] Forging: Use a 750kg forging hammer, the forging size is Φ45%, and the heating temperature is 750-800°C.
[0013] Turning: Turn Φ45% into Φ40 with a 62 lathe.
[0014] Blanking: blanking size Φ40×45% (with 62 lathes).
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A high wear resistance copper alloy nut is made by melting and forging 70-75% Cu, 6-7% Al, 10-15%Zn, 2-3%Mn, 0.5-1.2% Ni, 1-2% Ti and 2-3% Fe. The manufacturing method for the high wear resistance copper alloy nut includes melting, planing, forging, machining, baiting and molding technics. The source of raw material for the high wear resistance copper alloy nut of the present invention is broad, the cost of total raw material is lower than the cost of phosphor bronze material, more estimable, the novel copper alloy nut has excellent wear resistance, it is proved by practical use that the use cycle of the nut is more than one month, or even than one year, and is far better than existing copper nut. Therefore, the high wear resistance copper alloy nut has broad development prospect.
Description
technical field [0001] The invention relates to a nut, in particular to a high wear resistance copper alloy nut. Background technique [0002] Copper nuts are necessary consumable parts for mining rock drills. Because the original copper nuts are made of phosphor bronze, this material contains high copper, and the current market copper price remains high, so the manufacturing cost is high. In addition, This kind of copper nut is difficult to process, the production flow line is long, and the energy consumption is large. In addition, the wear resistance of this copper alloy nut is very general, and it is easy to wear out when used in mine rock drilling, and the replacement cycle is short, and the general use cycle is only more than 10 days. Therefore, a new copper alloy nut was developed to replace the existing one. Copper alloy nuts are very necessary. Contents of the invention [0003] The object of the present invention is to provide a copper alloy nut with low cost, g...
Claims
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IPC IPC(8): F16B37/00
Inventor 赵景财夏曙光
Owner 赵景财