Rotary drum tires and trunnion wheels can become worn over time, and result in the following changes: Chattering or vibrational noises Pitting Spalling Rolled over edges Timing marks Ridges Taper wear Washboarding The characteristics mentioned above can cause the weight of …
A rotary drum in any industrial process setting, whether it is serving as a dryer, cooler, kiln, or agglomeration drum, is a critical component in the process loop; in most cases, if the rotary drum is offline, the remainder of the process must go down …
This week’s photo highlights washboarding on a rotary drum tire. Washboarding is indicated by the vertical grooves that extend the length of the tire, and it is caused by abnormal skewing of the trunnion wheels, or trunnion wheel mis-alignment. FEECO offers a tire grinding service …
This week’s photo shows a rotary drum tire being refurbished through tire grinding. Tire grinding is one aspect of rotary drum maintenance that helps to catch problems early on, potentially avoiding costly downtime. All rotary drums, whether heap leaching drums, rotary kilns, or dryers, rest …
Trunnion rollers, or trunnion wheels, are a crucial component in the foundation of any rotary drum, providing support to the unit and helping to facilitate smooth rotation. Ensuring trunnion rollers are properly maintained is essential to avoiding unnecessary downtime and maintenance costs. Knowing where issues …
Reconditioning or resurfacing of rotary drum tires (riding rings) and trunnion wheels via grinding is one of the most important maintenance procedures carried out on rotary equipment such as dryers, coolers, and kilns. While restoring these load-bearing surfaces is a common practice, many questions often …
Today’s photo highlights a rotary drum tire inspection. A digital caliper depth gauge (pictured) measures the depth of the grooves on the tire. If the grooves are too deep, as defined by the service technician, tire grinding may be proposed to resolve the issue. Grooves …
Tires, or riding rings, and trunnion wheels (rollers) are the support base on which a rotary drum is mounted. As the primary point of contact and rotational movement, wear on tires or trunnions is an early indicator of an underlying issue, making identifying wear a …
This week’s highlighted resource is a page on tire grinding. Tire grinding is a service used to refinish rotary drum tires and trunnion wheels to like-new condition. It is a vital tool in prolonging the life of a rotary drum, as problems that begin in …
This week’s highlighted resource is a page on tire grinding. Tire grinding is an essential maintenance practice for rotary drums of all types. Tires and trunnion wheels serve as the support system for the drum; problems originating here have the potential to cause significant damage …