含有磁石的玩具ppt課件

1、Confidential - Do Not Distribute 2006 Mattel, Inc. All Rights Reserved,1,MAGNETS IN TOYS含有磁石的玩具,Prepared By: P. W. Chan Date: Oct., 2007,Confidential - Do Not Distribute 2006 Mattel, Inc. All Rights Reserved,2,MAGNETS IN TOYS,PROBLEM OF MAGNETS IN TOYS 磁石在玩具中的問題 The Hazard 危險(xiǎn) When small, powerful ma

2、gnets are swallowed separately, they can attract across intestinal walls and produce perforations, infection and death. 當(dāng)細(xì)小強(qiáng)力的磁鐵被分別吞下, 將會(huì)透過腸內(nèi)壁相吸而產(chǎn)生穿孔,感染或死亡. From the summer of 2005, there were at least 11 incidents of intestinal perforation due to magnets in toys. 自從2005年夏季以來,已經(jīng)至少有11個(gè)腸道穿孔案例是由玩具中的磁石引

3、起. Analysis of incident data revealed that the magnets involved in the incidents were 分析數(shù)據(jù)顯示事件中涉及的磁石是: Powerful, rare-earth magnets of neodymium, iron, boron construction (NIB).強(qiáng)力的NIB磁石. The magnets were small and easily swallowable. 細(xì)小而容易吞下的磁石,Confidential - Do Not Distribute 2006 Mattel, Inc. All

4、Rights Reserved,3,MAGNETS IN TOYS,HOW THE MARKET REACT市場(chǎng)上的反應(yīng) The CPSC issues a safety alert (美國(guó))消費(fèi)品安全委員會(huì)發(fā)出安全警告. ASTM workgroup using the incident data, date analysis, expert opinions and other information to determine the magnet requirements. 美國(guó)材料實(shí)驗(yàn)協(xié)會(huì)的工作小組就事件數(shù)據(jù),數(shù)據(jù)分析及專家意見去確定磁石的要求. French market requi

5、red following marking on toy or package 法國(guó)市場(chǎng)要求玩具或包裝上有以下標(biāo)簽 Attention ! Risque de lesions digestives graves si des aimants sont avales ! European standards body CEN has established a taskgroup for magnets. This taskgroup will develop a standard for Europe for magnets that eventually be included in EN

6、71-1. 歐洲標(biāo)準(zhǔn)團(tuán)體CEN已經(jīng)成立專責(zé)小組負(fù)責(zé)磁石問題. 這個(gè)專責(zé)小組將會(huì)為歐洲制訂磁石標(biāo)準(zhǔn)并納入EN 71-1,Confidential - Do Not Distribute 2006 Mattel, Inc. All Rights Reserved,4,MAGNETS IN TOYS,CURRENT STANDARD (ASTM F963-07)現(xiàn)行標(biāo)準(zhǔn) Magnets with the specified size and strength should be restricted. 指定尺寸和強(qiáng)度的磁石會(huì)被限制使用. Strength : Flux index 50 KG2.mm

7、2 強(qiáng)度:磁通系數(shù)50 KG2.mm2 Flux index Flux density2 x Pole surface area, where Flux Density is in kilo Gauss (kG) and Pole surface area is in mm2磁通系數(shù) 磁通密度2 x 磁極表面積, 磁通密度單位千高斯(kG), 面積單位是平方厘米(mm2) Size: Not fit entirely inside the following gauges 尺寸:不能完全落入以下基子,Confidential - Do Not Distribute 2006 Mattel, I

8、nc. All Rights Reserved,5,MAGNETS IN TOYS,CURRENT STANDARD (ASTM F963-07) 現(xiàn)行標(biāo)準(zhǔn),Confidential - Do Not Distribute 2006 Mattel, Inc. All Rights Reserved,6,MAGNETS IN TOYS,COMING DRAFT OF ASTM F963 草議中的ASTM F963版本 Stay with the strength requirement, but change the size limitation to not fit entirely ins

9、ide the small part cylinder. 保留強(qiáng)度要求,但改變尺寸的限制, 不能 完全落入小物體基子中,Confidential - Do Not Distribute 2006 Mattel, Inc. All Rights Reserved,7,MAGNETS IN TOYS,POSSIBLE ALTERNATIVE IN TOY DESIGN 玩具設(shè)計(jì)中可能的選擇 Avoid the use of magnet 避免磁石的使用,Confidential - Do Not Distribute 2006 Mattel, Inc. All Rights Reserved,8,

10、MAGNETS IN TOYS,POSSIBLE ALTERNATIVE IN TOY DESIGN 玩具設(shè)計(jì)中可能的選擇 Enlarge the component so that it cannot fit into small part cylinder on as received stage. 加大部件使其在常態(tài)不 能落入指定的小物體基 子內(nèi),Confidential - Do Not Distribute 2006 Mattel, Inc. All Rights Reserved,9,MAGNETS IN TOYS,POSSIBLE ALTERNATIVE IN TOY DESIG

11、N 玩具設(shè)計(jì)中可能的選擇 Use a reliable method to ensure the magnet wont exposure after use and abuse tests 用可靠的方法保證磁石在使用和濫用測(cè)試后不會(huì)外露,Confidential - Do Not Distribute 2006 Mattel, Inc. All Rights Reserved,10,MAGNETS IN TOYS,SUGGESTED MANUFACTURING CONTROL 建議的生產(chǎn)控制 Qualify each retaining system independently by the

12、 use and abuse tests such as Impact test, Torque and Tension test, or Compression test. 通過使用和濫用測(cè)試單獨(dú)地驗(yàn)證每一個(gè)保護(hù)系統(tǒng), 例如沖擊測(cè)試,扭力測(cè)試和拉力測(cè)試或壓力測(cè)試. Test the product to failure and use statistical tools to determine the probability of complying with the requirement. 將產(chǎn)品測(cè)試至極限并使用統(tǒng)計(jì)工具來確定符合要求的概率. Continuous monitor the manufacturing stability by verify the quality of production sample in hourly basis