国产精品丝袜无码不卡一区-特黄做受又硬又粗又大视频小说-日本大尺度吃奶呻吟视频-奇米影视7777狠狠狠狠色-亚洲中文有码字幕日本

     
  中文版 English
 
Hot news:
  News
  Company news
  Industry News
  Current news
Hot Product
IPX1 IPX2 Drip Waterproof Test...
UL1439 Sharp Edge Tester
BND-TPK05 IEC 60529 Test Probe...
IEC62368 test probe kit BND-TP...
IEC 61032 Standard Test Probe ...
IEC60320 EN60320 Appliances co...
UL 498 Standard Plugs and Rece...
IPX1 to IPX4 Drip rain test an...
Vertical horizontal vibration ...
IP5X IP6X Sand and dust proof ...
climate constant temperature a...
IPX1 to IPX9 waterproof testin...
 
 
Industry News
Home  -  News  -  Industry News
What are the steel balls used in the laboratory?
From: BONAD  Date: 2023-12-26 16:53:36
The Impact Test Steel Ball is mainly used to determine the shell mechanical strength of appliances. The shells of the appliances should be sure that it can not appear the danger within the scope of the standard ranges when operating.it is suitable for the appliances which surfaces of shells are damaged and will contact with the hazardous parts, and also suitable for testing  mechanical strength of glass,PVC ,ceramics and so on.


The specification of the impact test steel ball:

weight

tolerance

material

hardness

227g

±5%

G20CrNi2Mo

HRC68-75

500g

±5%

G20CrNi2Mo

HRC68-75

535g

±5%

G20CrNi2Mo

HRC68-75

1040g

±5%

G20CrNi2Mo

HRC68-75


2,Method of Application

Lift the steel ball up to the appropriate height , perpendicular to the sample surface,and then release the ball impact samples.

Energy(J)=weight (kg)*gravity acceleration*high(m) the following table g =9.783


Energy

0.14J

0.20J

0.35J

0.50J

0.70J

1.00J


height

Steel ball 227g

63mm

90mm

157mm

225mm

315mm

450mm

Steel ball 500g

28mm

41mm

71mm

102mm

143mm

204mm

Steel ball 535g

27mm

38mm

68mm

95mm

137mm

190mm

Steel ball 1040g

14mm

20mm

34mm

49mm

69mm

98mm


3,Note:

■ The steel ball needs to be coated anti-rust oil to storage after

testing

■ Pay attention to protection work to prevent injury when testing.

■ Please put on protective goggles when testing the fragile

Sample.



SHENZHEN BONAD INSTRUMENT CO.,LTD, is a high-tech company in China, BONAD quality system has been strictly certified by ISO9001:2015. As a CIE Membership.


Our main products are Test Equipment, Electrical Safety Tester, Environmental Chamber, Temperature Chamber, Climate Chamber, Thermal Chamber, Salt Spray Test, Dust Test Chamber, Waterproof Test, accessibility test probe and test finger, Glow Wire Test and Needle Flame Test,freezing load test package, soil moisture sensor, all kinds of gauges and so on.


BONAD have gathered lots of experienced researchers and administrators on this field. BONAD products are manufactured strictly in accordance with various EN, IEC, CE, UL, VDE, VS, JIS, ISO, CEE, BS, FMV, GB and other similar international standards. All products can pass CE certificate and authenticated by the third party lab.


Please feel free to contact us if you need any support.
sales Dep:Alice@szbonad.com,
Cell/WhatsApp:+8613380391156

 
 
Home  |  Products  |  News  |  About us  |  Feedback  |  Contact us  |  
Copyright © 2008-2015 Hong Kong Bonad Technology Limited | Shenzhen Bonad Instrument Co., LTD. All Rights Reserved.
 
    Add:C505, Hongdu Building,Bao\\\'an45 district,Shenzhen,518101,Guangdong Province,China    Tel:+86-13380391156    Fax:0755-23721200    Email:Alice@szbonad.com
 
主站蜘蛛池模板: 国产乱子轮xxx农村| 高清av熟女一区| 97久久综合区小说区图片区| 国产精品推荐手机在线| 亚洲国产欧美一区点击进入| 精品人妻潮喷久久久又裸又黄 | 精品国产三级a在线观看网站| 少妇扒开腿让我爽了一夜| 国产色诱视频在线观看| 成人午夜高潮a∨猛片| 人妻丰满熟妇av无码处处不卡| 少妇邻居内射在线| 国产精品色婷婷亚洲综合看片| 人妻无码视频一区二区三区| 亚洲va久久久噜噜噜久久天堂| 与子敌伦刺激对白播放的优点| 色99久久久久高潮综合影院| 国产精品成人免费视频网站| 精品不卡一区二区| 亚欧乱色熟女一区二区| 亚洲人成在线观看影院牛大爷| 人妻va精品va欧美va| 亚洲卡1卡2卡3精品| 欧美丰满大爆乳波霸奶水多| 国产成人精品视频一区二区三| 国产开嫩苞实拍在线播放视频 | 国产精品人妻一码二码尿失禁| 无码人妻一区二区三区av| 97碰碰碰人妻无码视频| 亚洲国产成人综合在线观看 | 精品成人av一区二区三区| 97亚洲色欲色欲综合网| 成人区人妻精品一区二区不卡| 无码午夜成人1000部免费视频| 欧洲少妇性喷潮| 337p西西人体大胆瓣开下部 | 99大香伊乱码一区二区| 久久无码潮喷a片无码高潮| 国产av永久精品无码| 久久ee热这里只有精品| 久久五十路丰满熟女中出|