The reliability of main drive DC motors is paramount for printing presses. Yet, one persistent challenge that operators often grapple with is the occurrence of field winding failures. These failures not only disrupt production schedules but also pose significant maintenance headaches. Understanding the causes and implications surrounding field winding failures is crucial for maintaining uninterrupted workflow and ensuring the longevity of printing press machinery. Overheated Field Windings in Main Drive DC Motors Overheated field windings represent a prevalent issue encountered in printing pre ..read more

In industrial machinery, timely access to wear parts is crucial for vacuum pumps. This rings especially true for side channel and radial vein vacuum blowers. Join us as we explore the challenges of obtaining these parts and discover practical solutions for smoother procurement processes. Side Channel Vacuum Blower Common Part Failures When it comes to side channel blowers, two common parts often face lengthy lead times for replacements: casted aluminum blower wheels and filters. The casted aluminum blower wheels, essential for generating airflow within the blower, are prone to wear and tear ov ..read more

Electric motors are the workhorses of countless industries and households, powering everything from industrial machinery to household appliances. To ensure reliability, safety, and interoperability, standards have been established by organizations like the National Electrical Manufacturers Association (NEMA) and the International Electrotechnical Commission (IEC). Let’s delve into these standards and understand their significance in the realm of electric motors. NEMA Standards What is NEMA? NEMA is a trade association representing the interests of electrical equipment manufacturers in the Unit ..read more

Here at Dreisilker Electric Motors, we find that the five most common types of enclosures used by our customers are Open Drip Proof (ODP), Totally Enclosed Fan Cooled (TEFC), Totally Enclosed Air Over (TEAO), Totally Enclosed Non-Ventilated (TENV) and Totally Enclosed Force Ventilated (TEFV). Let’s take a look at each type and discover how they can be used. Open Drip Proof (ODP) An Open Drip Proof electric motor is designed to protect your components from dripping water and general splashing, but will not protect them from dirt, dust, or other airborne contaminants. ODP electric motors are typ ..read more

When it comes to running a manufacturing operation, it is important to understand when you should have a spare electric motor available in case of repairs or breakdowns. Electric motor failure can be very costly in terms of downtime for your factory. Having a spare motor can also prevent a costly downtime, which can have a significant impact on your production timeline. There are a few different questions that you should ask to determine if you should have a spare electric motor: How critical is the electric motor to your operations? If you operate an industrial setting where speed is of the e ..read more

Are you storing electric motors for temporary or indefinite use? Proper storage for electric motors is essential for your equipment. In the long term, properly storing your motor can help maintain its performance and reduce repair costs. Dreisilker, with over 68 years of experience in electric motor repair, provides a motor storage program so you don’t have to worry about storing your motors on your own. When it comes to storing electric motors, there are several important components to consider. Specifically, proper environment and bearing maintenance. The Environment of your Electric Motor S ..read more

The Importance of Preventative Maintenance for Electric Motors in Manufacturing Applications Professionals across many industries understand the value of preventative maintenance and the importance of having a good working knowledge of the electric motors being used in manufacturing operations. In fact, electric motors are one of the most vital pieces of equipment in a manufacturing process, driving virtually all production equipment and processes. For these reasons, it’s critical for businesses to understand the importance of preventing motor failure and how preventative motor maintenance can ..read more

What does balance mean in terms of an electric motor? Balance for an electric motor refers to ensuring that the rotating parts of the motor, such as the rotor and the shaft, are evenly distributed in weight and properly aligned. When a motor is balanced, it means that these parts spin smoothly and evenly, without causing any unnecessary vibration or wobbling. Balancing your electric motors during a repair is important for several reasons: Reducing Vibration: When an electric motor is out of balance, it can cause excessive vibration, which can damage the motor and other components in the machi ..read more

  Talk to an expert about Motor Rewinding   1. Documentation and Testing before an Electric Motor Rewind We conduct a coreloss test before stripping Measure and record physical dimensions Cut the winding head for preservation of data 2. Electric Motor Rewind: Stripping The stripping of your windings is a very important part of the repair process. Ask your shop how they strip your windings. Dreisilker utilizes MotorSafe stripping that protect the motor and its laminations. 3. Additional Testing We conduct another core loss test after stripping to make sure the stripping ..read more

There are many factors to review when considering repairing or replacing your electric motor. Some elements include pricing, lead times, condition of the electric motor, past history, and more. Below you will find some general guidelines that we use when working with our customers to determine if they should repair or replace their electric motor. How critical is your electric motor? Does the failed electric motor result in your production being ground to a halt, or is it on a machine that you only use occasionally? If your production is down due to this motor failure, your company is losing m ..read more