*无动力辊输送架便于仓储,可集中堆放,有效利用场地空间
* no power roller conveyor frame is convenient for storage, can focus stacking, the effective use of space
*框料:采用方管型材,标准称重大不易变形耐用
* frame material: using the square section, "great is not easy to deformand durable
*辊面是热镀锌,涂层厚、耐磨
* the roll surface is hot galvanizing, coating thickness, wear resistance
*六方轴:不转轴不易损坏
* six square shaft: not the shaft can not be damaged easily
*单向弹簧便于安装
* a unidirectional spring easy to install
*轴承:轴承钢硬度大
* bearing: carbon steel low hardness