Manufacturing method of tin-phosphor-bronze alloy part with high wear resistance, temperature resistance and gluing resistance

A technology of tin phosphor bronze and its manufacturing method, which is applied in the field of manufacture of tin phosphor bronze alloy parts, can solve the problems of wear resistance, temperature resistance, poor glue resistance, high cost, damage, etc., and achieve high temperature resistance and glue resistance The effect of capacity, production cost reduction and production efficiency improvement

Inactive Publication Date: 2019-11-19
封安钰
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Problems solved by technology

Although this patent has many advantages compared with the traditional process, when the furnace cover is closed and the temperature is raised, the temperature of the pouring slab cannot be controlled after the slag is removed, and the hydrogen sulfide of the coke invades the slab, which is easy to c

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Embodiment Construction

[0006] A manufacturing method of tin-phosphorus bronze alloy parts with strong wear-resistant, temperature-resistant, and glue-resistant properties. The key lies in an "intermediate frequency induction melting furnace" heated by electricity. The furnace is equipped with a capacitor program control cabinet with a power of 220KW To reach a constant temperature of 1200 degrees Celsius, pour 100KG red copper into the furnace liner for about 20 minutes to melt, then add refined tin at a ratio of 8-9%, and red phosphorus at a ratio of 0.5-0.6% after 5 minutes Wrap the red phosphorus tightly with tinfoil and put it into the copper solution, then put the pieces cut from the 100KG red copper wire prepared in advance into the copper solution, press the red phosphorus tightly and continue smelting for 15 minutes, then put it in 100 It only takes 48 minutes to melt a kilogram of red copper, and it takes 25 minutes to complete the pouring through three centrifuges. In principle, it is bette...

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Abstract

The invention discloses a manufacturing method of a tin-phosphor-bronze alloy part with high wear resistance, temperature resistance and gluing resistance. The manufacturing method is characterized bypouring 100 kg of red copper into a furnace liner of an electric heating type "medium-frequency induction melting furnace" for melting for about 20 minutes; then adding fine tin in a ratio of 8-9%; then wrapping red phosphorus with tin foil paper and putting the wrapped red phosphorus into a copper solution in a ratio of 0.5-0.6% in five minutes; then putting the prepared pieces cut from 100 kg of red copper wires into the copper solution; and tightly compressing the red phosphorus and continuously smelting for 15 minutes, and then putting 100 kg of the red copper. The complete melting process only takes 48 minutes, and the pouring is finished through three centrifuges within 25 minutes. The tin-phosphor-bronze alloy part with high wear resistance, temperature resistance and gluing resistance has excellent mechanical and physical comprehensive properties and can resist high temperature of 800 DEG C or higher, the friction coefficient can exceed 0.00965, and the anti-gluing capabilityhas great breakthrough since no gluing phenomenon occurs at high speed and high temperature for 24 hours.

Description

technical field [0001] The invention relates to a manufacturing method of a tin-phosphorus bronze alloy piece with strong wear resistance, temperature resistance and adhesion resistance. Background technique [0002] CN1056417 discloses the manufacture method of the tin phosphor bronze piece that I applied on October 15, 1997, the key of this method is: put red copper in the graphite crucible furnace that temperature is 1250-1300 degree in the mode of heating with coke in furnace Melt, add 5-7% refined tin, then add 0.2-0.4 red phosphorus, close the furnace cover and raise the temperature to 1300 degrees, inject it into a mold with a temperature of 40-60 degrees, and obtain a cast slab that is rough processed and then annealed Then carry out gravity extrusion, and finally obtain the desired product through finishing. Although this patent has many advantages compared with the traditional process, when the furnace cover is closed and the temperature is raised, the temperature...

Claims

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Application Information

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IPC IPC(8): C22C9/02C22C1/02
CPCC22C1/02C22C9/02
Inventor 封安钰
Owner 封安钰
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