TNL13皮革耐绕曲试验机(LeatherResistanceFlexingTester)测定干态或湿态的皮革或皮革涂层的耐折牢度Usedtotestthedryorwetleatherortheresistantbendingfastnessofleathercoating.技术参数Techniques:同时试验试样数:12组,同时可测试12个试片Thenumberoftestsamplesatthesametime:12sets,whilecantest12pcstestingpiece.2.夹具Clamp:a)上夹具:由一对绕轴旋转的平面金属板组成,其中一块梯形ABCD金属板,底D角是半径2mm的圆角,EF边支撑、夹持被折叠的试样。另一块EGHCF形状的金属板。两块金属板用松紧螺钉连在一起,并有上夹具的有效作用点的调节装置。上夹具由电机驱动,以水平轴作往复运动,向下运动角度为(22.5 0.5) ,运动速率为(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)下夹具:由一对平面金属板组成,固定在上夹具下方,与上夹具在同一平面内,固定试样。当上夹具EF边水平时,下夹具上边与上夹具的EF边距离为(25.0 0.5)mm。Thedownclampl:composedofapairofmetalplate,fixedonthebottomoftheupperclamp,andwiththeupperclampbeinginthesameplane,fixsample,whenEFsideoftheupperclampishorizontal,thedistancebewteenthedownclampandtheupperclampis(25.0 0.5)mm.3.计数器:LCD液晶显示0~999,999Counter:LCDliquidcrystaldisplay0~999,999.4试样尺寸:矩形(70 1)mm (45 1)mm。Dimension:rectangular(70 1)mm (45 1)mm 符合标准Standard:QB/T2714,ISO17694,EN13512,CNC-7705,JIS-K6545,SATRAPM55GB/T20991第6.6.2.8(sectionof6.6.2.8)