Headquartered in Sioux Center, Iowa, USA we are proud to have earned the trust of customers for delivering superior engineering innovation and unwavering quality. Our unique dedication to quality, integrity, and commitment to our customers is why, for decades, many of the world's most demanding OEMs have placed their trust in us. In 2008 we expanded our manufacturing capability to Mexico, where high-volume, mature product designs are manufactured for several world-class OEM customers.
Case Study: Up until the 2008 collegiate basketball championships, portable basketball backstops common to large sporting arenas were manually operated. Spalding, one of the world’s oldest and best-known sporting good brands, saw an opportunity. Find out how Spalding developed a motorized backstop that could... more
Design Guide: STP Design Search STP Design Search has sophisticated algorithms that calculate and match the desired performance specifications to the motor size and specifications of over 4200 motor and gearmotor products active in the Groschopp website database. The Search results, the motors/gearmotors that... more
Case Study: 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. Calculate Speed, Torque and Power, Calculate Estimated Electrical Current and Losses for... more
Case Study: For design engineers working on a noise reduction project, the motor design is only a part of the challenge. Radiated noise can be amplified through the other components in the system. The data shown in this graph represents the 1/3 octave band testing data taken before and after the motor... more
Case Study: Noise is often the single toughest challenge faced by design engineers when developing products for medical applications. Such was the case for a leading global company that designs manufactures and installs patient lifts in healthcare facilities... more