Design News for Mechanical and Design Engineers

Unlike prison doors, some tough doors are pretty. The gearmotors for elegant three and four element sliding doors that lead to your sunny poolside patio had to fit into the 3.5 inch deep space in exterior walls. The toughest job, however, was noise reduction in this residential application. These doors had to open and close smoothly and quietly in sequence.

Panic! You're sitting in your office on the 16th floor of a high-rise office building and the fire alarm goes off. This is no drill. You run to the door and expect to find a smoke filled hallway, but when you open the door you find people filing toward the stairway and no smoke to be seen. One of the more frightening events in modern life has been made less dangerous.

A quick reference guide for motor types, motor basics, gearbox basics and applications checklist.

Imagine the sound of "lock down" as a series of sutomated prison doors close in orchestrated succession. Critical applications like these get intense attention at Groschopp. Automated doors in elevators, hospitals, prisons and the like must open and close without fail - hundreds of times a day, week after week.

The MOTORTEC™ STP PLUS program provides a fast, easy way to calculate speed, torque, or power. Conversions of the most commonly used units are selectable, automatically generated and can be printed out.

A new product line designed to provide reliable, trouble-free operation and long life in rugged applications.

Groschopp Inc. engineers and manufactures customized, high-reliability fractional horsepower electric motors and gear motors for some of the world's most demanding Original Equipment Manufacturers. Find out why the company has turned to IPRT Company Assistance to help it maintain its reputation for products of the highest quality.

This graph maps the speed-torque curves of all four motor types on one graph, using the same scale to clearly illustrate the differences between the motors.

The goal of customization is to "match" the motor to your application as closely as possible. This catalog presents our standard frame sizes. Working from a standard frame size is often the most cost effective way to buy a motor. Find out how Groschopp's motor and engineering design expertise can help you.

What affects the life of the motor? Long motor life to achieve tough specifications such as 50,000 hours of continuous operation requires a quality product and a detailed understanding of the application. Find out how Groschopp helped their client avoid expensive product recalls.