The latest data of National Bureau of Statistics showed that our labor productivity led the world at the annual average growth rate of 8.6% for 20 years from 1997 to 2016. Behind the rapid growth, automated and intellectualized modern logistics is indispensable. But as the important component of the conveying equipment, the quality of the conveyor rollers decides whether the entire logistics system can efficiently and stably run to a certain degree.

Run-out is one of the key factors in how smooth the roller runs. Whether its standard is high or low or it is qualified or not will influence the stability and reliability of conveying the goods. According to our relevant tests and the user's using experience, when the run-out is excessive, the following adverse reactions will be generated:

1.   Leading to product jolting. In less severe cases, the user's experience will be affected, and in the severe cases, the product will gradually deviate from the conveying direction during the normal conveying process, influencing the accuracy of the conveying (such as turning, branch, confluence etc.);

2.   Loud noise. When the roller with poor run-out is used in a high-speed conveyor line, the jolt frequency of the product will rise sharply, followed by annoying noise on the site;

3.   Causing product damage. The products in some specific industry have the characteristics of large surface area, thin thickness and easy to be damaged, such as woodworking industry (furniture components, sheets) and paper-making industry (corrugated board). The conveyed products are often in contact with rollers far more than the general products, and have more stringent requirements for the standard of the run-out;

4.   Shortening the service life of the roller, and increasing the later maintenance costs.

Considering the importance of the run-out standard on rollers running smoothly at the user end, Damon Industry has made many efforts for it:

1.   Strictly controlling the raw materials. Damon Industry has customized each steel pipe according to the requirements of the German precision welded steel pipe standard. The roundness of each batch of pipes has been subject to rigorous test to establish a good quality gene from the source;

2.   Optimization of manufacturing process. A successful "chef" relies not only good "ingredients", but also his excellent skills. The workshop sections that may generate deformation shall be emphatically controlled through optimization of the process parameters of all links with the insistence on integrating people, machines, materials, methods, environment and measurement as one to maintain the "freshness of the ingredients" as possible;

3.   High-standard quality inspection requirements. Excellence and meticulosity can ensure the product first pass rate of the inspection≥98%.

As an old saying goes, "no pains, no gains". The persistent pursuit for quality helps Damon Industry's run-out standard for conveyor rollers to "make further progress" – reduce by 0.1~0.4mm on the basis of nationally relevant standards, which greatly ensure better stability and reliability of conveying.

The run-out of "the tip of the roller" has become an irresistible "temptation" for a majority of users to choose the rollers of Damon Industry.