淫荡无码,97精品依人久久久大香线蕉97,国产欧美精品一区二区三区四区,最近中文av字幕在线中文

common problem

How to Choose Thermal Spraying Technology

author:admintime:2019-09-22 22:22click:
            Thermal spraying technology is the most effective, economical and direct method to enhance surface function and process parameters in the field of engineering and mechanical surface. Surface types that can be improved and improved by thermal spraying are almost infinite. By spraying metal, ceramics, alloys, remelting and other technological means, the functional concept of engineering surface can be extended.
            A wide variety of thermal spraying equipment and methods can be selected, whether handheld or mounted on a machine. Thermal spraying technology also covers a variety of options: flame powder spraying, flame wire spraying, arc spraying, plasma spraying, supersonic flame spraying, plasma spraying in controlled atmosphere, vacuum plasma spraying, etc.
            Many industries are using thermal spraying technology to improve the service life of equipment or parts, improve surface process parameters and reduce production and maintenance costs. The functions of thermal spraying include:
            1. Wear resistance
            2. Corrosion resistance
            3. Gap control
            4. Controlling fluid environment
            5. Thermal barrier
            6. Restore dimensions
            7. Changing Conductivity

            Defects in the coating process, i.e. prevention-shrinkage/fisheye description:
            A large number of orifice holes or dents ranging in size from pinholes to 1cm in diameter appeared on the surface of the paint film. Reason: 
           1. Organic bonds containing silicon exist in the spraying environment or on the surface of the substrate. Even a small amount of silicon can cause shrinkage of the paint film.
            2. Other sources of pollution, such as grease, soap, caking, detergent, dust, wax or oil from spray guns.
            3. There is no mismatch in primer.
            4. Vapor saturation in spray paint room. Preventive measures:
             Remove the silicon-containing polishing agent from the spraying surface, prohibit the use of silicon-containing products in the spraying workshop, and prepare the spraying surface according to the following operating procedures.
            Use dewaxing and degreasing agent to thoroughly remove the surface of the substrate, and do not let the detergent dry naturally. When the surface of the substrate should be wiped with a clean dry cloth, each cloth can only be wiped once. Before grinding, the surface of the base should be cleaned, and the cleaning area should be larger than the prepared grinding area. After polishing, the debris must be cleaned from the base surface, and then cleaned with a detergent, the base surface can be sprayed.

Telephone

0769-85415700

function

Price

quality

service

Wechat sweep

Mobile phone sweep

国产精品久久久久久久久网站导航 | 四川女人高潮| 热久久国产欧美一区二区精品 | 日女人视频网站免费| 精品 乳一区二区三区无码Av| a毛片黄色视频免费播放| 国产精品 无码专区| 成熟丰满熟妇av无码区| 国模大胆一区二区三区| 国产又爽 又黄 免费智库苹果区| jiazz亚洲少妇| 苍井空浴缸大战猛男120分钟| 一二三区视频| 朝鲜女子内射杂交bbw| 国色天香社区视频在线| 国产超碰人人做人人爽av大片| 人妻无码精品久久亚瑟影视| 久久久久久久性潮| 美女扒开尿口让男人捅| 亚洲精品辣妞| 日日操夜夜骑| 少妇被粗大的猛烈进出视频| 激情 亚洲 欧美 人妻 校园| 色中色综合网| 五月激情婷婷无码| 狠狠色噜噜色伊人AV蜜臀| 草逼视频网站| 可以看无码的公司| 欧美伦理片一区二区三区| 人人妻人人上视频| 亚洲国产午夜福利无码1000| 国产精品无码久久久久成人免费看| 又大又骚www视频| 国产成人尤物| 性欧美乱妇come| 中文字幕在线免费看线人| avtt2014天堂网东京热| 亚洲AV无码一区二区三区国产| 亚洲 欧洲 日韩 综合二区| 欧美人人操人人| 亚洲日韩久久无码色欲色欲|