Welcome to Ji'nan Bojian Testing Machine Co., Ltd.

SERVICE HOTLINE:0531-87165551

Home>Enterprise News

Sales of a stainless steel bellows safety function testing device for stainless steel bellows

    • Release time:2018-03-02 16:09:43
    • Views:3161

Today is the test method of melamine thermosetting anti static panel wear resistance.

1. the grinding wheel is placed at a temperature of (23 + 2) C, and the relative humidity is (50 + 5)% of the environment to treat 7d.

2., the two grinding wheels are mounted on the machine, and the counter is set at zero. The specimen is clamped with the specimen clamp, then the grinding wheel is gently placed on the test piece, and the grinding wheel is applied to the test piece with the force of 5 N+0.2 N. Turn on the vacuum cleaner and rotate the specimen. Each 25~50 ring specimen inspection and check the degree of wear and tear, is filled with fine emery cloth, if the cloth is fine with 500 seconds or ring, should replace emery cloth.

3. when the initial wear point (IP) appears, the number of rotations is recorded and the number of rotations is also recorded when the final wear (FP) is worn.

Note: the initial wear point (IP), in the pattern of the surface layer is about 5% of the grinding surface pattern is ground; in the monochromatic surface layer refers to the grinding surface on the bottom of about 5% other colors show. The final wear point (FP), in the pattern of the surface layer refers to the grinding surface about 95% patterns is ground: about the bottom 95% other colors is exposed in monochrome surface layer.

Technical enquiry phone: 0531-87165551 sales phone: 13256688889


濟南鉑鑒試驗機

Copyright 2010-2017 siyuan. All Right Reserved

主站蜘蛛池模板: 国产精品久久久亚洲 | 精品亚洲一区二区 | 国产在线一区二区三区四区 | 国产精品区一区二区三在线播放 | 二区av| 国产在线免费 | 成人性生交大片免费看中文网站 | 91桃色在线观看 | 国产精品美女一区二区三区 | 国产成人综合在线 | 日韩精品免费在线观看 | 国产激情美女久久久久久吹潮 | 国产精品视频一二区 | 国产高清在线观看 | 一区二区三区欧美在线 | 国产精品亚洲成人 | 久久久不卡 | 亚洲欧洲自拍偷拍 | 免费一级淫片aaa片毛片a级 | 国产精品不卡 | 在线观看毛片网站 | 亚洲成人av一区 | 午夜日韩 | 日韩在线视频观看 | 国产一区高清 | 夜夜草导航 | 精品乱人伦一区二区三区 | 国产成人在线视频 | 中文字幕在线观看日本 | 亚洲精品久久久久久久久久久久久 | 超碰伊人网 | 九九九九精品九九九九 | 国产精品理人伦一区二区三区 | 成人在线精品视频 | 一区二区在线观看视频 | 欧美午夜精品久久久久久人妖 | 欧美天堂在线 | 国产成人精品在线观看 | 国产激情在线观看 | 性欧美视频在线观看 | 毛片一|