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Preparation process of hard alloy extrusion plasticized rubber billet

A cemented carbide and preparation process technology, which is applied in the field of preparation technology of cemented carbide extrusion plastic blanks, and can solve problems such as affecting the mechanical properties of cemented carbide bodies.

Inactive Publication Date: 2019-08-23
四川铭泰顺硬质合金有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The preparation of the above-mentioned shaped plasticized rubber billet has an important impact on the subsequent extrusion, sintering and other processes, which in turn affects the mechanical properties of the cemented carbide body

Method used

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  • Preparation process of hard alloy extrusion plasticized rubber billet

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Embodiment Construction

[0014] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0015] 1) Mixing glue before mixing; calculate the actual weight of the molding agent required for each melt according to the weight of the powder specified each time, according to the respective percentages of the melt (see Table 1 for the proportion of glue), and accurately weigh the weight ( 150kg of powder, 236g of Isomin, 1178g of cellulose, and 9090g of Neiman) were poured into a clean stainless steel melt barrel respectively; according to the mixing temperature of 200°C, the required power of the electric furnace and the required mixing temperature were adjusted. Time, the relationship between the mixing temperature ...

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Abstract

The invention provides a preparation process of a hard alloy extrusion plasticized rubber billet. The preparation process of the hard alloy extrusion plasticized rubber billet mainly comprises the process steps of preparing rubber before mixing, mixing and stirring a mixture and the prepared rubber, and the like. The prepared hard alloy extrusion plasticized rubber billet is uniform in mixing, soft, smooth in surface and fine in fracture, the product performance is stable, and the probability of the occurrence of cracking and scrapping in the extrusion process is greatly reduced.

Description

technical field [0001] The application relates to the production field of cemented carbide materials, in particular to a preparation process of cemented carbide extruded plasticized blanks. Background technique [0002] Because of its special wear resistance, high hardness, excellent fracture toughness and compressive strength, the cemented carbide body has been widely used in the fields of electronics industry, wood processing, aerospace industry, mold industry, geology and mining, etc. . At present, micro-drills, various milling cutters, reamers, stepped cutters, long rod cutters, taps, printing needles, etc. used in the manufacture of computer boards are all ideal preliminary materials. With the continuous advancement of today's science and technology, the demand for cemented carbide materials is also increasing. The task of extrusion is to pour the colloidal mixture composed of a well-dried mixture of a certain grade and a certain proportion of molding plasticizer into...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29B7/00
CPCB29B7/005
Inventor 龙小丽张长春张君
Owner 四川铭泰顺硬质合金有限公司