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Parts and component made from Nano plastic alloy for watering apparatus, and preparing method

A technology of nano-plastics and parts, applied in the field of water-machine nano-plastic alloy parts and their preparation, can solve the problem of low bonding strength between soft coating and base material, difficulty in exerting anti-wear, anti-cavitation, and base material of parts and components. Problems such as poor combination, to achieve the effect of strong machinability, low weight, and improved cavitation resistance

Inactive Publication Date: 2006-04-19
重庆新高纳米塑料合金有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the hard coating is not firmly attached to the base material and is brittle, with poorer abrasion resistance and poor impact resistance, while the soft coating has low bonding strength with the base material and is easy to fall off. Although the soft coating has anti-wear and anti-cavitation performance Prominent, but it is not well combined with the base material of the parts, and it is difficult to exert its anti-wear and anti-cavitation effects

Method used

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  • Parts and component made from Nano plastic alloy for watering apparatus, and preparing method

Examples

Experimental program
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Effect test

Embodiment 1

[0032] Example 1 Preparation of a water turbine bottom ring wear plate with a diameter of 1400 mm and a thickness of 30 mm

[0033] Specific steps are as follows:

[0034] (1). The total weight of the sample is 100 kg, and it is accurately weighed according to the following weight ratio: 25 kg of carbon steel skeleton, 10 kg of aramid mesh fabric reinforcement, 12 kg of aramid staple fiber, and 8 kg of nano-silica , 10 kilograms of nylon 6 powder, 5 kilograms of polytetrafluoroethylene powder, 30 kilograms of epoxy resin slurry, epoxy resin slurry consists of epoxy resin E-44, curing agent methyltetrahydrophthalic anhydride, The diluent (butyl glycidyl ether) is mixed and prepared according to the weight ratio of 1:2:1, that is, 10 kg of epoxy resin E-44, 20 kg of methyl tetrahydrophthalic anhydride, and 10 kg of butyl glycidyl ether , Only 30 kg of the prepared epoxy resin slurry is used.

[0035] (2). Dry the aramid staple fiber in an oven at 90°C for 3 hours and set it as...

Embodiment 2

[0044] Preparation of runner chamber wear sleeves with a diameter of 1248 mm

[0045] Specific steps are as follows:

[0046] (1). The total weight of the sample is 70 kg, and it is accurately weighed according to the following weight ratio: 17.5 kg of carbon steel skeleton, 7 kg of aramid mesh fabric reinforcement, 7 kg of aramid staple fiber, and nano-silica powder 3.5 kg, 5.6 kg of nylon 66 powder, 5.6 kg of polytetrafluoroethylene powder, 23.8 kg of epoxy resin slurry, epoxy resin slurry consists of epoxy resin E-44, curing agent methyltetrahydrophthalo Acid anhydride and diluent (phenyl glycidyl ether) are mixed and prepared according to the weight ratio of 1:1:1, that is, 449 kg of epoxy resin E-449 kg, 9 kg of methyl tetrahydrophthalic anhydride, and phenyl glycidyl ether 9 kilograms, while only 23.8 kilograms are used when the prepared epoxy resin slurry is used.

[0047](2). Dry the aramid staple fiber in an oven at 120°C for 3 hours;

[0048] (3). Put the nano-pow...

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Abstract

A nano-class plastic-alloy part for hydraulic machine is prepared through proportionally mixing short aramid fibers, nanoparticles, nylon powder and PTFE powder to obtain powder mixture, proportionally mixing epoxy resin, solidifying agent and diluent to obtain slurry, mixing them together, pouring into mould containing carbon steel skeleton and aramid fiber fabric and pressure solidifying. Its advantages are high resistance to abrasion and cavitation, and low cost.

Description

technical field [0001] The invention relates to a water machine part and a preparation method thereof, in particular to a water machine nano-plastic alloy part and a preparation method thereof. Background technique [0002] The water conservancy resources that can be used in our country are quite abundant, but in recent years, due to serious soil erosion and desertification, the sediment content of the river water is large. At present, the nano-plastic alloy parts of various pumps and large and medium-sized hydropower station turbines are mostly made of stainless steel. , are subject to varying degrees of wear and cavitation damage, resulting in shortened overhaul periods for pumps and turbines, increased workload, and reduced pumping and power generation capabilities. Large, medium and small coal mines, iron mines, copper mines and other underground water pumps are more severely worn and cavitated by coal slag and iron-copper slag. Before parts with bet...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L63/00C08J5/04B29C70/30C08L27/06C08L77/00
Inventor 田震江南田蔚华田蔚冰
Owner 重庆新高纳米塑料合金有限公司
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