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Production method of small harvester squeezing roller with coating

A technology of squeezing roller and harvester, applied in the direction of metal material coating process, etc., can solve the problem of easy rusting of metal products, achieve the effect of good product quality, not easy to rust, and avoid leakage of steel pipe plating

Inactive Publication Date: 2016-12-07
柳州名品科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are many problems in the existing extrusion rollers, such as the characteristics of metal products are easy to rust after being placed for a long time, and the user needs to replace the extrusion rollers, and the technicians have improved and perfected them on this basis

Method used

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Effect test

Embodiment

[0012] Embodiment A kind of preparation method of the small-sized harvester squeeze roll that has coating, comprises the following steps, pre-treatment, removes the greasy dirt, iron and oxide skin sundry on the surface of parts squeeze roll; Coating is to use dacromet The solution sprays or impregnates the squeeze roll of the parts, and then uses centrifugal drying, natural vertical flow and / or brush to remove excess dacromet treatment liquid; baking is to transform the dacromet treatment liquid on the squeeze roll substrate The process of forming the film layer is carried out in a mesh belt type circulating hot air oven. The whole process is divided into a preheating zone and a curing zone. The temperature in the preheating zone is 60-180°C. 280~330℃, the time is 25~30min; in the second step, the thickness of the first coating and one baking layer is 3~6μm, the second coating and second drying is 6~9μm, the third coating and three drying is 9~12μm, and the dipping time is 200...

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PUM

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Abstract

The invention discloses a production method of a small harvester squeezing roller with a coating. The production method is characterized by comprising the following steps: carrying out pretreatment by removing impurities including oil stains, iron and oxide scales on the surface of a part squeezing roller; carrying out coating treatment by spraying or dipping the part squeezing roller by using a Dacromet solution, then removing redundant Dacromet treatment solution by centrifuge dripping, naturally vertically flowing and / or brushing; carrying out roasting treatment by a process of transforming the Dacromet treatment solution on the squeezing roller body into a film layer in a mesh-belt type circulation hot air roasting oven, dividing the whole process into a preheating area and a solidifying area, preheating the part in the preheating area at the temperature of 60-180 DEG C, then solidifying the part for 25-30 minutes at the temperature of 280-330 DEG C after the part enters the solidifying area; and washing and grinding the squeezing roller.

Description

technical field [0001] The invention belongs to the technical field of agricultural tools, and in particular relates to a preparation method of a small-sized harvester transmission shaft casing with coating. Background technique [0002] In the process of crop production, due to various reasons of cost and land constraints, producers use less agricultural machinery, and the cost of small harvesters is small, which breaks through the operational bottleneck that cannot be harvested by large harvesters in rural areas, and promotes the mechanization of harvesting operations, shortening It shortens the labor cycle and liberates people from heavy physical labor. Widely used to harvest wheat, rice, highland barley, hemp, beans and other crops. However, there are many problems in the existing extrusion rollers, such as the characteristics of metal products are prone to rust after a long period of time, requiring the user to replace the extrusion rollers, and technicians have improv...

Claims

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Application Information

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IPC IPC(8): C23C22/74C23C22/78
CPCC23C22/74C23C22/78
Inventor 银柳香
Owner 柳州名品科技有限公司
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