Category: How It Works

When to Use a Brush Card or Brush Holders

March 23, 2018

Brush card vs. brush holder Groschopp DC motor model PM60 and PM80 frames have either a brush card or replaceable brush holders inside of them, but knowing the difference between the two could make a world of difference for your application. The brush card and brush holders generally do the same thing in that they […]

Posted in DC Motors, How It Works, Uncategorized

Synchronous & Induction Motors: Discovering the Difference

October 13, 2016

A simplistic division of fractional horsepower motors would be AC, DC, Brushless, and Universal. However, just as shoes can be broken down into work boots, dress shoes, sneakers, and so on, each motor category has various subgroups. AC motors, for example, can be split into synchronous and induction (also known as asynchronous) motors. While both […]

Posted in AC Motors, Blog Overview, How It Works, Motor/Gearmotor Selection

Holding Brakes: What They Are and What to Look For

September 29, 2016

Brakes are not a foreign concept. Simply put, they are the mechanisms within our cars that enable us to slow down for yellow lights and stop at red ones. However, as a few of us have probably found, our cars need more than just brakes for the common, everyday functions of an intersection stoplight. We need […]

Posted in Blog Overview, How It Works

Oil or Grease: Orientation, Cleanliness, & Efficiency (Part 4/4)

July 7, 2016

  Factor #5 & #6: Orientation, Cleanliness Although fairly self-explanatory, orientation of the application—the location, position, and accessibility of the motor—effects the practicality of using grease or oil. Some motors must operate in tight spaces or are required to function at angles at which thinner lubricants, like oil, will have a greater chance of leaking […]

Posted in Blog Overview, Gearboxes (Reducers), How It Works

Oil or Grease: Load (Part 3/4)

June 30, 2016

  Factor #4: Load As you might guess, an increased load increases the stress upon your motor, just as a full trailer increases the stress on your truck or a child on your shoulders puts increased pressure on your back. In motors, this stress produces heat, which creates a heightened potential for lubricant evaporation. Spill […]

Posted in Blog Overview, How It Works, Motor/Gearmotor Selection, Motors

Oil or Grease: Climate (Part 1/4)

June 16, 2016

  Factor #1: Climate   Unless a person lives on a space shuttle or in a vacuum-sealed, climate-controlled, sterilized building where no one leaves and nothing enters, people can expect to find the evidence of climate on the surrounding area and its objects—machinery, motors, patio awnings, washing machines or otherwise. Both internal and external wear […]

Posted in Blog Overview, Gearmotors, How It Works, Motor Components, Motors, Overview

Oil or Grease: 7 Factors to Remember

June 9, 2016

Maybe your gearbox leaks, and you are debating on whether or not to swap oil out for grease. Maybe your grease oxidizes at an impractical rate causing rust, and you’re thinking oil might be a better option. Or maybe you’re just tired of the sulfur-like smell that lingers on your hands after you’ve had to […]

Posted in Blog Overview, Gearboxes (Reducers), How It Works

Fractional Horsepower Motors Explained

May 26, 2016

At first glance, fractional horsepower appears fairly simple. Its name also serves as its definition: it’s a fraction of one horsepower, or rather, 746 Watts (1 hp) or below. However, in the fractional horsepower electric motor industry, “less than one horsepower” covers a wider range than most manufacturers are capable of building. Because of this, […]

Posted in AC Motors, Blog Overview, DC Motors, How It Works

How to use the Motor Search Tool

Narrow your search by selecting motor type, gearbox, voltage, and phase options for your desired motor.

Select a dominant variable: choose one of the three parameters to narrow your search. The selected variable determines which slider bar you will be able to manually move.

Use the slider corresponding to your dominant variable to further narrow your motor selection. The other sliders will automatically move to show available ranges based on the range of your selected variable.

Results will upload as your search criteria changes. If you have any questions regarding your results or how to use the search tool, you can chat with us using the green tab on the left-hand side of your screen.

Note: Groschopp Universal motors are custom built to fit your application so no additional options are available to narrow the search. Selecting the Universal motor type will prompt a message taking you to the Universal product page.

Not sure what you need?

One of our team members would be happy to help. Contact us at 800-829-4135 or by email at sales@groschopp.com. You can also chat with us using the green tab on the left side of your screen.

send us an email

Universal Motors

Groschopp Universal motors are custom built to fit your application so no additional options are available to narrow the search. Standard frame sizes and motor features can be found on the Universal page.

go to Universal page