? Each roller frame arm shaft hole for the boring one clamping molding, high concentricity portable roller frame, wheel rotation flexibility. ? Proactive frame and driven roller wheel frame drum core are heat treated molding process. ?. Wheel all-plastic combinations, steel core heat-resistant rubber idler wheel frame outsourcing price, bearing capacity, long cycle rubber layer, deformation miniature roller frame, not unglued. Welding roller frame industry standard technical requirements? Active wheel should speed DC motor or AC motor through a gearbox drive wide. ? Active wheel peripheral speed welding process should meet the requirements within 6 ~ 60m / h variable speed range;? Rate fluctuation different welding process is divided into Class A (≤ ± 5%) and Class B (≤ ± 10%), self-adjusting wheel frame _ Wuhan three Rainbow Heavy Industries (certified) _ wheel frame provided by Rainbow Heavy Industries Co., Ltd., Wuhan three. Wuhan three Rainbow Heavy Industries Ltd. (www.whshzg.com) is Wuhan, a leader in welding equipment and equipment over the years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Wuhan three Rainbow Heavy leadership with the staff warmly welcome all inquiries negotiations to create three rainbow Wuhan Heavy better future.