To ensure the accuracy of a high-quality belt weigh scale depends largely on the determination of installation occasions and the correct installation and use,more emphasis on the accuracy of its work,more particularly important to follow the installation conditions.Of course,the quality of the belt conveyor also can not be ignored,and its quality is good or bad will directly affect the measurement accuracy.

In weighing domain the roller is not in the same plane,the belt tension changes,all will result in the decline of the weighing accuracy,the reason is that the weighing supporting roller can not share,and the weight of the part materials fall outside the metering roller,resulting the inaccuracy of weighing.Furthermore,the center of the roller support is not in the same line,and do not coincide with the belt running center of the belt rack,the belt swing,can also cause a serious decline of weighing accuracy,but increases the possible damage to the belt.

2、the environmental factors that affect the accuracy of weighing

When installing belt weigh scale,we must first consider the surrounding environment of placing the weighing bridge,try to avoid the climate influence to the scale body part,wind,rain all will make great errors of weighing precision of belt weigh scale,exposure makes belt weigh scale thermal expansion,the belt elongates,resulting in lost transfer phenomenon,and accelerates the aging of the belt,the deflection of the bridge frame increases,makes the measurement inaccurate.Therefore,when installing belt weigh scale,it should add a sealing cover around the scale body,to cover the scale body,and make belt weigh scale furthest not be influenced by bad weather.In addition,it should avoid the interference of corrosive gases and strong magnetic fields and large mechanical and electrical equipment.