选择合适的输送带品种规格可以延长输送带的使用寿命，保证生产的持续稳定，降低生产成本和维护费用。

The selection of suitable conveyor belt specifications can prolong the service life of the conveyor belt, ensure the continuous stability of production, reduce the production cost and maintenance cost.

选择输送带时（包括替换带）必须考虑以下几个方面的问题：

The following problems must be taken into consideration when selecting the conveyor belt (including the replacement belt):

a.所运物料的品种、粒度有无变化

The variety and granularity of the material transported by A.

b.最大运载量（峰量）有无变化

There is no change in the maximum load (peak volume) of B.

c.设备工作能力、工况条件有无变化，工作环境

C. equipment working capacity, working conditions have no change, working environment

有无变化。

There is no change.

骨架材料种类、结构、层数的选择：

Selection of the types, structures and layers of skeleton materials:

a.输送带骨架材料的发展方向

Development direction of A. conveyor belt skeleton material

叠层式输送带带芯由天然纤维向合成纤维方向发展，由多层向少层方向发展，由低强度、低模量向高强高模方向发展。棉纤维织物输送带在国外已基本淘汰，在国内也逐渐被尼龙、聚酯织物输送带所取代。在大功率输送中，需要高强度的输送带，钢丝绳芯输送带整逐步替代层数较多的织物芯输送带。

The core of laminated conveyor belt develops from natural fiber to synthetic fiber, and develops from multilayer to less direction. It develops from low strength, low modulus to high strength and high modulus. Cotton fabric conveyer belt has been basically eliminated in foreign countries, and it is gradually replaced by nylon and polyester fabric conveyor belt in China. In high power transportation, high strength conveyer belt is needed, and the wire rope core conveyer belt is gradually replaced by the fabric core conveyer belt with more layers.

b、带芯层数的选择

B and the selection of the number of core layers

带芯层数对输送机带轮直径有较严的要求，带轮直径过小，输送带经过带轮转向时的屈挠增大，覆盖胶疲劳磨损增加，骨架材料、芯层胶料、覆盖胶的疲劳程度也增大，输送带使用寿命缩短。

With the core layers on the conveyor belt wheel more stringent requirements the diameter of belt wheel diameter is too small, the conveyor belt with wheel steering when flexing increases, covering rubber fatigue wear increase, fatigue degree of skeleton material, rubber, rubber covering core layer increases, shorten the service life of the conveyer belt.