The plastic industry relies on injection molding machines to produce part after part. To endure the high demand, the motors on injection molding machines are manufactured to withstand extreme environments. The motors are water cooled and are unique compared to a standard motor. When repairing these motors, you should consider how your repair shop strips […]
Siemens has reintroduced Definite Purpose Contactors to the market after a long absence due to customer demand. The Definite Purpose (DP) Contactors are top quality products made for the discerning customer. Dreisilker is now stocking class 45 and 42 DP contactors at your local branch. Some important features of the Siemens DP Contactors: – Quality […]
When it comes to electric motor repair, precision is everything. The smallest miscalculation in machining tolerances or assembly can lead to catastrophic failures, drastically shortening the life of a motor. We recently encountered a case that perfectly illustrates this point: a customer’s motor showed clear signs of incorrect bearing housing tolerance, leading to internal bearing […]
For over 65 years, Dreisilker has been driven to improve our customers’ reliability and increase uptime through problem solving. A common problem we have found for customers is contamination of the motors, leading to premature failure. A unique customer success story relating to failure from contamination involved motors that were failing every 2 weeks. Through […]
Friday, May 1st 2020 marks the 65th anniversary of Dreisilker Electric Motors, Inc. Dreisilker first began as the American Dream of Henry and Margaret Dreisilker, who emigrated from Germany in 1954. Henry’s hard work and ambition helped him land his first job at a small motor repair and appliance business. He purchased the business a […]
Brushes are vital to the efficiency and uptime of your DC and brushed AC motors because they are the electrical connection between the power source and the commutator. To effectively and efficiently transmit the electricity, brushes must have full, flat contact with the commutator at all times. Maintenance of brushes and commutators can help ensure […]
As we approach the fall months, it’s time to do a quick run-through with your furnace to make sure it’s ready to handle your home’s heating needs. While there are many simple tasks that you can do to make sure your furnace is running properly, it is recommended that a HVAC professional tune-up your furnace […]
After a motor is rewound, the windings must be further insulated with resin or varnish. This insulation protects the windings from contamination, shorting electrically, and also make the windings more mechanically rigid. What are the different types of varnishing methods? There are four types of varnishing methods that we will describe below: Dip and Bake […]
The lifetime and efficiency of motors can greatly be affected by their environment. In our blog, Electric Motors and Generators Fail from Contamination, we discuss the affects of contamination and how you can prevent downtime. In addition to taking preventative measures discussed in our contamination blog, you may want to consider protecting your windings with […]
V-belts are an important part of a power transmission system. They allow for the transfer of energy from one source to another. While belts require little maintenance, they can greatly be impacted by improper belt tension. As discussed in our Common Belt Problems blog, improper belt tension is a leading cause of issues in your […]