严格按日本NC公司的工艺技术要求进行托辊的选材与加工。确保使用寿命大于50000小时，旋转阻力系数小于0.010以下。产品已应用于输送机带速***高的国投曹妃甸港煤码头、京塘港煤码头等******工程中。Inordertoinsurethelife-spanofmorethan50000hoursandtherotationresistancefactoroflessthan0.010,idler’smachiningandmaterialselectionwillbeputinpracticestrictlyinaccordancewiththetechnicalrequirementsofNCCompany.Ourproductsh***ebeenusedinmanynationalimportantprojectsuchasCao-Fei-DianCoalTerminalProjectandJing-TangPortCoalTerminalProjectetc.)