In our third and final series of posts, we will again be talking about some of our most important inspections and analyses related to NDT or non-destructive testing. Magnetic imaging analysis The integrity of cast or malleable rotor bars in induction motors is easily assessed using a specially designed induction device and magnetic sensitive film […]
Part I: Non-destructive testing at City Machine Technologies, Inc.
At City Machine Technologies, Inc., we aim to educate our customers in the process of repairing or manufacturing their industrial equipment. Our goal is to establish our credibility and trust that will serve both parties as the business relationship grows. In this series of posts, we will be talking about some of our most important […]
City Machine Technologies, Inc. can come to you
City Machine Technologies, Inc. offers industrial field services. We have four trucks that are dedicated to field services, such as in-place machining and heavy machinery removal, installation and in-place rebuilding, electrical inspections, on-site motor and generator repair and on-site diagnostics and millwright services. We are equipped to handle commutator or slip ring turning, journal repairs […]
What is a journal bearing?
Simply put, a journal bearing is a shaft or journal rotating in a bearing. The shaft rotates in the bearing with a layer of lubricant separating the two parts. Because journal bearings are designed to reduce load friction, they are often used when the load is light and the motion is continuous. With a journal […]
What is dynamic balancing?
Dynamic balancing is simply the practice of spinning a rotating apparatus, such as a drive shaft or armature at a high rate of speed in a balancing machine. Vibration is reduced by subtracting or adding weight. A balancing machine is outfitted with sensors, and once a rotating piece has been brought up to the pre-determined […]
How do you make a Babbitt bearing?
Babbitt bearings are made in a few simple steps. Bearing shells are restored by melting out the original Babbitt material. The grit is blasted from the shells. The bearing shells are inspected and immersed in a 100% molten tin bath to assure a good bond for the new Babbitt. The prepared shell is placed into […]