久久婷婷五月综合色丁香,德国大肥女作爱高潮视频,中文人妻熟妇精品乱又伧,国内自拍真实伦在线观看

全國服務(wù)咨詢熱線:

18668966307

當前位置:首頁  >  技術(shù)文章  >  HP652 The table tennis wave hardness tester-產(chǎn)品推薦

HP652 The table tennis wave hardness tester-產(chǎn)品推薦

更新時間:2024-07-16      點擊次數(shù):324

The table tennis wave hardness tester is suitable for testing the Vickers hardness of various table tennis balls. This machine is also known as a Rockwell hardness tester, table tennis ball Rockwell hardness tester, table tennis ball hardness tester, wave hardness tester, and wave hardness tester

Table tennis is a sport that combines skill and speed. Players need to have accurate control over the quality of the ball, and hardness is one of the key indicators. The table tennis hardness tester can objectively test the hardness characteristics of the ball, allowing players to better grasp the hardness of the ball; Balls with different hardness have different characteristics, some are more suitable for quick attacks, while others are more suitable for stable power. So as to choose the ball that suits oneself and improve the level of the game.

The table tennis ball hardness tester meets the standard:

Meet the requirements of relevant items in the GB/T 20045-2005 standard

Measurement principle of table tennis ball hardness tester:

During the test, place the table tennis ball on the testing platform, apply a fixed 50N load, automatically read the hardness A within 15 seconds, and return the indenter to its original position; Rotate the ball smoothly 180 °, test the hardness B using the same method, then rotate it 90 degrees to test the hardness C at the joint, and then calculate the hardness difference between the two readings of hardness A and hardness B

Functional characteristics of table tennis wave hardness tester:

1. The touch screen display displays real-time force values, displacement deformations, and automatically saves data; The display interface can display the test curve in real time; Test real-time parameters such as speed and deformation.

2. Using a high-precision, fully digital speed control system and precision reducer, the precision screw pair is driven for testing, achieving a wide range of adjustment of the test speed and smooth operation.

3. Adopting high-precision sensors and professional measurement and control software, with high testing accuracy, wide testing range, and simple operation.

4. Equipped with a standard micro printer, it can print results at any time and collect multiple test results

5. At the end of the experimental process, provide the measurement results of the hardness value. The process is time-saving and labor-saving, reducing the interference of subjective factors and effectively improving the reliability of testing.

Technical parameters of table tennis wave hardness tester:

Measurement range: 0-100 N

Resolution: 0.1N

Accuracy: ± 0.5%

Test speed: (1-300) mm/min adjustable

Sample holder: copper ball holder with a diameter of 30 ± 0.5mm

Load capacity: 50N ± 0.5N

Test displacement accuracy: 0.01mm

Upper pressure plate: 100mm pressure head

Parallel upper and lower pressure plates:<0.025mm

Lower pressure plate diameter: 100mm

Test space: 100mm vertically,

External dimensions: 430 x 350 x 710mm

Mass: 45kg

Power supply: 220V, 50Hz

Table tennis wave hardness tester configuration

Standard configuration: host, testing aids, micro printer.



全國統(tǒng)一服務(wù)電話

0531-85809007

電子郵箱:2289528882@qq.com

公司地址:山東濟南市槐蔭區(qū)新沙工業(yè)園三街17號

業(yè)務(wù)咨詢微信

东京热av中文字幕久久| 在厨房我撕开岳的丁字裤| 欧美高清在线精品播放网站| 亚洲内射少妇av影院一| 在线观看爽爽爽自慰网站 | 少妇高潮出水10p影院| 欧美丰满熟妇另类xxx| 欧美 日本 一区二区三区| 国产综合久久一区二区三区| 天天夜i日日清莫一97| 掰开美女的逼逼| WWW裸體美女seSe| 激情四射五月天亚洲婷婷| 国产又粗又猛又爽色噜噜| 蜜桃精品人妻一区二区三区| 久久碰人人玩国产精品| 成年人在线视频成熟美妇| 日本老美女和小伙操大逼| 男生的鸡舔女生的逼网站| 一级黄色夫妻性生活片子| 干死我干死我小骚逼视频| 精品裸体舞一区二区视频| 大鸡吧狂插美女嫩逼视频| 大黑鸡巴操小穴免费视频| 日本女人爱上外国大鸡吧| 白丝双马尾被疯狂输出| 亚洲乱熟女-区二区三区| 农村的大鸡巴操花逼视频| 国产亚洲综合欧美在线热| 欧美日韩综合在线一道本| 色哟哟在线视频精品一区| 国产午夜小蝌蚪在线观看| 强开小娟嫩苞又嫩又紧视频播放| 操白虎嫩逼视频| 大杳蕉精品视频在线观看| 久久久亚洲老妇女性生活| 欧美操小逼大赛| 韩国青春校园剧电视剧大全| 午夜视频在线免费观看视频| 美屄被插爽AV| 久久久久久av电影网站|