TNL13皮革耐繞曲試驗機(LeatherResistanceFlexingTester)測定干態或濕態的皮革或皮革涂層的耐折牢度Usedtotestthedryorwetleatherortheresistantbendingfastnessofleathercoating.技術參數Techniques:同時試驗試樣數:12組,同時可測試12個試片Thenumberoftestsamplesatthesametime:12sets,whilecantest12pcstestingpiece.2.夾具Clamp:a)上夾具:由一對繞軸旋轉的平面金屬板組成,其中一塊梯形ABCD金屬板,底D角是半徑2mm的圓角,EF邊支撐、夾持被折疊的試樣。另一塊EGHCF形狀的金屬板。兩塊金屬板用松緊螺釘連在一起,并有上夾具的有效作用點的調節裝置。上夾具由電機驅動,以水平軸作往復運動,向下運動角度為(22.5 0.5) ,運動速率為(100 5)次/min。Theupperclamp:composedofapairofmetalplatesbyrotatingaxis,oneisaladder-shapedABCDmetalplate,theangleoftheDendisaroundcornerwith2mmradius,supportbyEFside,andclampthesampleofbeingbendingbyEFside.AnotherisametalplateofEGHCFtype.Thistwometalplatesareconnectedtogetherwithlooseandtightscrew,andtheadjustingdeviceoftheeffectivepointofupperclamp.Theupperclampdoreciprocatingmotionalongthehorizontalaxiabythemotordrive,theangleofdownwardmovementis(22.5 0.5) ,themovementrateis(100 5)times/min. b)下夾具:由一對平面金屬板組成,固定在上夾具下方,與上夾具在同一平面內,固定試樣。當上夾具EF邊水平時,下夾具上邊與上夾具的EF邊距離為(25.0 0.5)mm。Thedownclampl:composedofapairofmetalplate,fixedonthebottomoftheupperclamp,andwiththeupperclampbeinginthesameplane,fixsample,whenEFsideoftheupperclampishorizontal,thedistancebewteenthedownclampandtheupperclampis(25.0 0.5)mm.3.計數器:LCD液晶顯示0~999,999Counter:LCDliquidcrystaldisplay0~999,999.4試樣尺寸:矩形(70 1)mm (45 1)mm。Dimension:rectangular(70 1)mm (45 1)mm 符合標準Standard:QB/T2714,ISO17694,EN13512,CNC-7705,JIS-K6545,SATRAPM55GB/T20991第6.6.2.8(sectionof6.6.2.8)