So... you are looking to purchase a new electric motor and you are trying to get an idea of what the cost will be. That's a pretty loaded question. Think of an automobile - you can get a pickup truck, a sedan, a coupe, or even a semi truck. What is it exactly that you need? Obviously a semi truck is going to cost a lot more than a standard family sedan.
Time is money. When an electric motor is out for repair it can take days, weeks, or months to get it back. What should your expectation be? What are they even doing with the motor while its gone, why does it take this long? We feel a better question to ask is:
Does a quick repair lead to the best (long-term) motor reliability?
Maintaining a plant can be costly as failures can and do occur. We plan for these situations in our budget meetings and look at historical spend data to set aside an appropriate likely amount to cover these costs. It’s smart planning.
Finding ways to spend wisely without sacrificing quality or reliability can be a challenge but there are definitely ways it can be done. One thing to consider is a retrofit option when replacing or upgrading VFD’s (Variable Frequency Drives). In most cases a new drive can be installed using the existing wiring and enclosure.
We have all dropped off our vehicle at a mechanic for an oil change and left with a bill 2 times the initial cost and have idea what we actual spent our money on. The same can be said for motor repair, do you know what the motor failure was? Did they explain what could have caused this failure?
When you start a compare and contrast with Predictive Maintenance and the Internet of Things within the industrial maintenance world; you may have some people scratch their head and say, “are they not the same thing?”. Well, the easy answer is a simple answer of yes and no. Yes, they are both moving towards a new way of understanding maintenance and maintenance needs. No, they are not the same because different tools and technologies are being used to assess equipment and assets.
With springtime coming to an end it’s not too late to get some last-minute spring cleaning done in your storerooms. So here are three ideas for cleaning up and consolidating your spare motor inventory.
In today’s day and age you can put any motor part or catalog number into an internet search engine and come back with numerous places to purchase the unit. Being that the maintenance world tends to be on the reactive side of purchasing this makes it easy to get your hand on a product right away. Is this always the best way to purchase a motor? Is buying from the company you buy your bearings from a good idea? Maybe you are getting a chance to buy directly from the manufacturer? Or should you purchase from an EASA shop (Electrical Apparatus Repair Association) that is repairing your motors? All of these options have pro and cons when it comes to buying.
There are many benefits to ultrasound, but before discussing them it is important understand what it is and how it works. Ultrasound can be defined as a detection method used to locate leaks such as; pressure, gas and vacuum. It can also be used for bearing, steam traps, and mechanical inspections. This is done by locating and trending decibel (dB) levels caused by friction.
Every day industrial machinery is being taken offline and removed for repair, and after the work is complete reinstalled and put back into service. From the moment the decision is made to shut the unit down until power is reapplied there are a lot of decisions to be made, and in cases of unplanned downtime these decisions are usually made during some understandably stressful circumstances. Some facilities are fortunate enough to have millwrights on staff who are completely capable of safely removing electric motors and reinstalling them using best practices, but more and more we see plants that are short staffed and simply do not have the manpower to handle this aspect of the job themselves.
I am often told “I want that motor varnish dipped too”, but is re-dipping a reconditioned motor really good for the motor? Using proper repair practices motors can be reconditioned and repaired many, many times. Putting varnish over varnish continually is not always in the best interest for that motor in the long term.