Machine tool bed cast by utilizing steel-making tailings
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A technology of tailings and machine tools, which is applied in the field of machine tool beds, can solve the problem that the utilization rate of steelmaking tailings is less than 40%, and achieve the effect of solving poor thermal expansion performance of glass, good anti-wear performance, and reducing pores
Inactive Publication Date: 2018-03-06
福建振丰矿物新材料有限公司
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At present, the utilization rate of steelmaking tailings in my country is less than 40%, which is mainly used for road construction, while the utilization rate of steelmaking tailings in the United States reaches 98%, and there is still a gap between us and developed countries in the comprehensive utilization of steelmaking tailings. large gap
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Embodiment 1
[0024] A machine tool bed cast by steelmaking tailings is mainly made of the following raw materials in parts by weight:
[0025] 65 parts of steelmaking tailings, 5 parts of iron sand powder, 10 parts of silica powder, 5 parts of quartz sand, 5 parts of quartz powder; 7 parts of epoxy resin, 1.75 parts of curing agent, 1 part of carbon fiber, 1 part of basalt fiber, and 1 part of bismuth .
[0026] The steelmaking tailings are crushed and pulverized into irregular granules with a size of 3-15 mm. The steelmaking tailings contain iron oxide, calcium oxide, silicon dioxide, magnesium oxide, manganese oxide, ferroalloy slag, and scrap steel slag. The steelmaking tailings are alkaline, with an alkalinity of 2.5-3.5. The steelmaking tailings have a viscosity of 0.02-0.07 Pa·s. The carbon fiber and basalt fiber are short fibers with a length of 35-150 mm. The curing agent is a modified acid anhydride curing agent.
[0027] The performance of the machine tool bed cast according...
Embodiment 2
[0039] This embodiment is basically the same as Embodiment 1, the difference is that:
[0040] 75 parts of steelmaking tailings, 10 parts of iron sand powder, 5 parts of silica powder, 10 parts of quartz sand, 10 parts of quartz powder; 10 parts of epoxy resin, 2.5 parts of curing agent, 1 part of carbon fiber, 1 part of basalt fiber, 1 part of antimony share.
[0041] The performance of the machine tool bed cast according to the present embodiment is tested as follows:
[0042] Table four, embodiment two machine bed performance test parameters
[0043]
[0044] Table five, embodiment two earthquake resistance analysis
[0045] Order
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Abstract
The invention provides a machine tool bed which is cast by utilizing steel-making tailings. The machine tool bed is mainly prepared from the following raw materials in parts by weight: 65-75 parts ofsteel-making tailings, 5-10 parts of iron sand powder, 5-10 parts of silica powder, 5-10 parts of quartz sand, 5-10 parts of quartz powder, 7-10 parts of epoxy resin, 1.75-2.5 parts of a curing agent,1 part of carbon fiber, 1 part of basalt fiber, 0-1 part of bismuth and 0-1 part of antimony. The machine tool bed cast by utilizing the steel-making waste slag, provided by the invention, can comprehensively and obviously improve the mechanical performance of a machine tool, improve the stability of the machine tool, reduce the coefficient of thermal expansion, improve the machining process precision and product yield of the machine tool, and indirectly reduce the machining cost. The utilization of the steel-making waste slag for casting the machine tool bed realizes recycling of resources,realizes the change of waste into treasure, and reduces environmental pollution, which is a major innovation of machine tool bed casting materials, and has a great significance.
Description
technical field [0001] The invention belongs to the aspect of machine tools, and in particular relates to a machine tool bed cast by steelmaking tailing slag. Background technique [0002] A machine tool refers to a machine that manufactures a machine, also known as a machine tool or a tool machine, and is customarily referred to as a machine tool. Generally divided into metal cutting machine tools, forging machine tools and woodworking machine tools. There are many ways to process mechanical parts in modern machinery manufacturing: in addition to cutting, there are also casting, forging, welding, stamping, extrusion, etc. The final machining is done by cutting on the machine tool. Machine tools play an important role in the modernization of the national economy. Because the machine tool has strict requirements on the stability of the machine bed during the working process. [0003] At present, most of the machine bed materials on the market are mainly made of cast iron....
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