Selection and Application of KOLLMORGEN E/H Series Stepper Motor

Kollmorgen E/H series stepper motors: an engineering solution for high performance and reliability

Introduction: Excellent partner in the field of motion control

In today's highly automated industrial environment, precise, reliable, and efficient motion control solutions have become the core competitiveness of machine design and manufacturing. As a global leader in the field of motion control systems, Kollmorgen, with over a century of technological accumulation and innovative spirit, continues to provide breakthrough products and solutions for various industries. Its product footprint covers extreme and precision application scenarios ranging from Mars exploration, spacecraft, surgical robots to industrial production lines, confirming its extraordinary strength in the field of high-performance motion control. This article aims to provide a comprehensive and professional reference guide for engineers and machine designers by deeply analyzing the E/H series stepper motors under Kollmorgen, from their design concepts, core technologies, detailed specifications to actual selection and application.

Overview of E/H series stepper motors: core characteristics and design philosophy

The E/H series stepper motors are the core product line launched by Kollmorgen for general and high-performance application needs. This series adopts a traditional circular chassis design and offers two standard frame sizes, NEMA 34 (90mm) and NEMA 42 (110mm), covering a wide range of installation compatibility. Its maximum holding torque can reach 27.95 N · m (3958 oz in), which can meet the requirements of most industrial applications for high dynamic response and strong positioning force.

The core highlight of this series lies in its high customizability and technological differentiation:

Dual Series Design: The series includes the standard "H" series and the performance enhanced "E" series. The E series exclusively uses Kollmorgen's SIGMAX ™ Through optimization in motor design, technology has achieved higher torque output and faster acceleration capability, making it particularly suitable for applications that require high-speed reciprocating motion or rapid positioning.

Wide range of connection and packaging options: Users can flexibly choose terminal board connections (via conduit), MS connectors, or fly wire lead out methods based on the on-site installation environment and electrical layout. In terms of protection level, NEMA 34 and 42 models can achieve IP65 protection level when using "C" (MS connector), "L" (terminal board) or "M" (terminal board) structure and equipped with shaft seals, effectively preventing dust and low-pressure water jets, and adapting to harsh industrial environments.

Excellent reliability certification: The entire series of motors have obtained UL certification and use B-class insulation (130 ° C) to ensure long-term stable operation and electrical safety within the working temperature range of -20 ° C to+40 ° C.

In depth technical specifications: the cornerstone of building a reliable system

The general technical specifications of E/H series motors lay the foundation for their stable performance. The entire series offers Unipolar and Bipolar winding options, providing flexibility for users to match different types of drivers. The standard step angle of the motor is 1.8 °, with 200 full steps per revolution. In terms of accuracy, the E series demonstrates higher positioning consistency, with a step accuracy (unloaded) of ± 1.5%, while the H series is ± 3.0%, making the E series more advantageous in applications that require extremely high positioning repeatability accuracy.

The electrical insulation performance of the motor is also excellent, with a rated insulation voltage of 340 Vdc and an insulation resistance of up to 100 M Ω, providing a solid guarantee for the safe operation of the system in complex electrical environments. These rigorous specification parameters ensure that the E/H series motors can stably serve in industries with strict requirements for motion control quality, such as printing and packaging, food and beverage processing, medical equipment, laboratory automation, material forming and cutting.

Detailed selection guide: from requirements to models

Kollmorgen provides a clear selection path for the E/H series. For users familiar with the product, they can directly refer to the Model Nomenclature to confirm the part number. The naming convention is a system containing multi digit codes that define in detail the series (E/H), frame size, stack length, installation method, shaft configuration, winding type, shaft modification, encoder options, customization content, rotor type, lead connection method, and structural type of the motor. For example, a motor model "E33HCHP - LEK-M2-01" contains all the information from the motor series to the specific connection method.

For new users, it is recommended to follow the following steps:

Determine basic requirements: First, determine the NEMA frame size (34 or 42) and approximate torque range based on load, speed, accuracy, and installation space requirements.