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KBM Frameless Direct Drive Rotary Motors

KBM Frameless Direct Drive Rotary Motors
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KBM Frameless Direct Drive Rotary Motors

Product catalog summary
Introduction
Kollmorgen's KBM™ Series Frameless Brushless Motors are designed for OEMs, offering high performance, long life, and easy installation. These motors enhance machine performance, reliability, and efficiency.
Key Features
  • Advanced electromagnetic designs for maximum torque density.
  • Smooth rotation with minimal cogging and low THD.
  • Broad speed range and rapid acceleration.
  • Quality construction with redundant magnet attachment and high-temperature motor winding.
  • Compliance with UL insulation systems and RoHS materials.
  • Configurable design with 14 frame sizes and multiple stack lengths.
Specifications
The KBM series includes various sizes and torque ranges, with detailed motor data and dimensions. Features include encapsulated stator windings, high-performance magnets, and fail-safe bands over rotor magnets.
Mounting and Installation Guidelines
  • Safety considerations for packaging, transport, storage, and operation.
  • Instructions for stator and rotor mounting, including electrical wiring interface.
Customization Options
  • Sensor feedback with pre-aligned digital Hall effect sensors.
  • Choice of insulation systems for different voltage applications.
  • Special windings and rotor hub dimensions available upon request.
Performance Data
Detailed performance data for various KBM models, including continuous stall torque, peak stall torque, continuous current, and rated continuous output power.
Conclusion
Kollmorgen's KBM series frameless motors provide a comprehensive solution for OEMs, offering customizable options and reliable construction. They facilitate UL certification and comply with agency requirements for safe and efficient operation.
Specifications:
Detailed specifications for models KBM-10, KBM-14, and KBM-17, including continuous and peak stall torque, continuous current, peak current, rated continuous output power, speed at rated power, torque sensitivity, back EMF constant, motor constant, resistance, inductance, inertia, weight, static friction, cogging friction, viscous damping, thermal resistance, and the number of poles. Recommended Kollmorgen AKD drives and voltage requirements are also specified.
Performance Data:
Performance data for each motor model, detailing continuous stall torque, peak stall torque, continuous current, peak current, rated continuous output power, speed at rated power, and other motor parameters in both metric and imperial units.
Procedures and Recommendations:
Notes on winding temperature, calculation of no-load Kt and Kb, and assumptions for thermal resistance. Recommendations include using a heat sink for housing and mounting the motor and checking Kollmorgen's website for complete drive ratings.
Performance Curves:
Performance curves for each motor model illustrate the relationship between torque and speed for different winding configurations and voltage inputs.
Outline Drawings:
Outline drawings for the KBM-14 and KBM-17 models, showing dimensions for the stator, rotor, and other components in both millimeters and inches.
Key Notes:
  • Winding temperature specified at 155°C for continuous stall and rated output.
  • To calculate no-load Kt and Kb at 25°C, multiply by 1.064.
  • Thermal resistance assumes specific housing and mounting conditions.
  • Peak and continuous torques may be limited by drive current.
Overview: Detailed technical specifications and performance data for the KBM 25 and KBM 35 series frameless motors, designed for high torque density and minimal cogging.
Specifications:
  • Motor Leads: #14 AWG Teflon® coated, 400 mm length, with specific color coding.
  • Outline Drawings: Dimensions for various models with options for interactive 3D models online.
Performance Data:
  • Continuous Stall Torque: Varies by model, values in Nm and lb-ft.
  • Continuous Current: Specified in Arms for different models.
  • Peak Stall Torque: Detailed for each model at 25°C winding temperature.
  • Rated Continuous Output Power: Provided in Watts and HP, with corresponding speed in RPM.
  • Torque Sensitivity and Back EMF Constant: Values with a tolerance of +/-10%.
  • Motor Constant, Resistance, and Inductance: Detailed for each model.
  • Inertia and Weight: Provided for both KBM and KBMS models.
  • Friction and Damping: Max static friction, cogging friction, and viscous damping values specified.
  • Thermal Resistance: Provided in °C/watt.
  • Recommended Drives: Specific Kollmorgen AKD drives recommended.
Performance Curves: Graphs illustrate continuous torque capabilities across different speeds and winding configurations.
Notes:
  • Winding temperature specified at 155°C for continuous stall conditions.
  • Calculations for no-load Kt and Kb at 25°C require a multiplication factor of 1.064.
  • Thermal performance assumes specific heat sink configurations.
  • Drive current may limit peak and continuous torques.
Overview: Detailed technical specifications and performance data for the KBM series of frameless motors, including mechanical and electrical parameters and recommended usage conditions.
Specifications:
  • Inertia and Weight: Listed in both metric and imperial units.
  • Friction and Damping: Maximum static friction, cogging friction, and viscous damping specified.
  • Thermal Resistance: Values provided for heat dissipation capabilities.
  • Number of Poles: Specified for each motor model.
Performance Data:
  • Torque and Current: Continuous and peak stall torque values, continuous and peak current requirements.
  • Output Power and Speed: Rated continuous output power and speed at rated power.
  • Torque Sensitivity and Back EMF Constant: Crucial for understanding motor response and efficiency.
  • Resistance and Inductance: Electrical resistance and inductance values provided.
Recommendations:
  • Drive Compatibility: Recommended Kollmorgen AKD and S700 drives listed.
  • Voltage Requirements: Specified for rated output.
Performance Curves: Includes performance curves for different motor models, illustrating torque and speed relationships.
Additional Notes: Notes on winding temperature, calculation adjustments for no-load conditions, and assumptions for thermal resistance measurements.
Specifications:
Detailed specifications for the KBM series, including models KBM 60, KBM 79, and KBM 88. Key parameters include continuous and peak stall torque, continuous current, peak current, rated continuous output power, speed at rated power, torque sensitivity, back EMF constant, motor constant, resistance, inductance, inertia, weight, static friction, cogging friction, viscous damping, thermal resistance, and the number of poles.
Procedures:
Outlines procedures for calculating no-load torque sensitivity (Kt) and back EMF constant (Kb) at 25°C. Specifies conditions for thermal resistance measurements.
Standards and Recommendations:
Recommended drives are the Kollmorgen AKD and S700 series. Specifies voltage required at rated output and guidelines for continuous duty capability.
Performance Data:
Includes detailed tables and graphs showing torque and speed relationships for different winding configurations and voltages.
Outline Drawings:
Includes outline drawings for models KBM 79 and KBM 88, providing dimensions for various components.
Key Notes:
  • Winding temperature specified at 155°C for continuous stall and rated output conditions.
  • Peak and continuous torques may be limited by drive current.
  • Low voltage optimized windings available for certain models.
Conclusion:
Comprehensive technical guide for the KBM series motors, providing essential specifications, performance data, and installation guidelines for optimal performance in direct drive applications.
Specifications:
Detailed specifications for various models of KBM series frameless motors, including KBM 88, KBM 118, KBM 163, and KBM 260. Key parameters include weight, inertia, maximum static friction, cogging friction, viscous damping, thermal resistance, and the number of poles.
Performance Data:
Outlines continuous and peak stall torque, continuous current, peak current, rated continuous output power, speed at rated power, torque sensitivity, back EMF constant, motor constant, resistance, and inductance for each motor model.
Procedures and Recommendations:
Notes on winding temperature, calculation of no-load Kt and Kb, and assumptions for thermal resistance. Users are directed to Kollmorgen's website for complete drive ratings.
Performance Curves:
Illustrate torque and speed relationships for different winding configurations and voltage inputs.
Outline Drawings:
Provide dimensional data for each motor model, including nominal dimensions and interactive 3D models available online.
Key Observations:
KBM series motors are characterized by large diameter, short axial length, high pole count, and low cogging, suitable for direct drive applications.
Specifications:
KBM(S)-260 series features a large diameter with a short axial length, high pole count, and large rotor thru-bore. Includes aluminum armature sleeve and steel rotor hub for easy installation.
Dimensions:
Model dimensions provided for KBM-260 and KBMS-260 series, with detailed 3D models and 2D product views available online.
Performance Data:
Detailed performance data for different models, including continuous stall torque, peak stall torque, continuous current, peak current, rated continuous output power, speed at rated power, torque sensitivity, back EMF constant, motor constant, resistance, inductance, inertia, weight, static friction, cogging friction, viscous damping, thermal resistance, and recommended drive specifications.
Mounting and Installation Guidelines:
Safety precautions emphasized due to strong magnetic fields. Only qualified personnel should handle transport, installation, commissioning, and maintenance. Standards and directives to be followed include IEC 60364 and 60662.
Usage and Restrictions:
Designed for industrial applications like robots and machine tools. Not suitable for explosive environments, corrosive conditions, or direct connection to supply networks.
Transport and Storage:
Guidelines for transporting and storing motors, including climate conditions, temperature ranges, and humidity levels.
Specifications and Temperature Guidelines:
Winding temperature should not exceed 155°C. Temperature reduction of 10K per 1000 meters above mean sea level.
General Recommendations:
Guidelines for general installation purposes. Users are advised to follow guidelines for installing KBM(S) series motors.
Motor Stacking Heights:
Maximum stacking heights for various motor types listed.
User Interface Responsibilities:
Users responsible for designing mounting interface, including rotor shaft, stator enclosure, bearing system, and housing design.
Stator and Rotor Mounting Materials:
Metallic housing recommended for stator mounting. Rotor can be mounted on any metallic shaft.
Grounding:
Stator should be at the same electrical ground potential as the system chassis.
Mounting and Installation Guidelines:
  • Bonding with Structural Adhesives: Suitable for motors with peak torque up to 750 Nm.
  • Axial Clamping: Suitable for low to moderate torque applications.
  • Bolting: Used for larger motor sizes.
Rotor Mounting to Shaft:
High-performance rare earth magnets used, requiring careful handling. Axial alignment must be maintained.
Additional Details:
Includes specific dimensions and guidelines for mounting, bonding, and clamping techniques.
Specifications and Model Information
Detailed specifications for various KBM motor models, including maximum inner diameter, bolt circle, suggested hole size, and quantity.
Mounting and Installation Guidelines
Two primary methods for rotor installation: axial clamping using a locknut and bolting.
Force Summary and Calculations
Table summarizing radial and axial forces for different motor series, with calculations provided.
Installation Procedures
Guidelines emphasize securing the stator, protecting running gap surfaces, and using hoists for large rotors.
Performance Enhancements
Options for enhancing motor performance include specialized cooling solutions.
Electrical Wiring Interface
KBM motors come with UL-compliant lead wires. Thermistors integrated for temperature monitoring.
Application Profile and Customization
Outlines motor requirements, control/drive requirements, and offers customization options.
Specifications:
- Stack Lengths: Available from 6.35 mm to 610 mm.
- Pole Count: Ranges from 6 to 64 poles.
- Magnet Materials: Options include Neodymium-Iron-Boron and Samarium Cobalt.
Durability/Harsh Environment:
- Rotor Hub Material: Options include bare cold-rolled steel and corrosion-resistant stainless alloy.
- Stator Sleeve Material: Available in bare aluminum, stainless, or carbon steel.
- Armature Potting: Options include varnish and high-temperature encapsulation.
- Corrosion Protection: Includes Dri-Touch inhibitor, nickel plating, passivation, anodizing, and epoxy paint.
Installation Features:
- Rotor Hub Geometry: Available in round, hollow, flanged, keyway, and flat designs.
- Mounting: Bolt hole diameter and pattern are customer specified.
- Lead Length: Minimum of 400 mm for base models.
- Lead Colors: Standard colors are blue, brown, and violet.
- Thermal Sensor: Options include Thermistor-Avalanche and Thermistor-Linear.
- Connectors: Base models have none, but customer-specified connectors are available.
About Kollmorgen:
Kollmorgen is a leading provider of motion systems and components for machine builders, known for their expertise in motion, quality, and integration of standard and custom products.
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Catalog excerpts

KBM Frameless Direct Drive Rotary Motors-1

Kollmorgen Frameless Motor Selection Guide KBM™ Series Brushless Motors

 Open the catalog to page 1
KBM Frameless Direct Drive Rotary Motors-2

Kollmorgen. Every solution comes from a real understanding of OEM challenges. The ever-escalating demands of the marketplace mean increased pressure on OEMs at every turn. Time constraints. Demands for better performance. Having to think about the next-generation machine even before the current one is built. While expectations are enormous, budgets are not. Kollmorgen’s innovative motion solutions and broad range of quality products help engineers not only overcome these challenges but also build truly differentiated machines. Because motion matters, it’s our focus. Motion can distinctly differentiate...

 Open the catalog to page 2
KBM Frameless Direct Drive Rotary Motors-3

Removing the Barriers of Design, Sourcing, and Time At Kollmorgen, we know that OEM engineers can achieve a lot more when obstacles aren’t in the way. So, we knock them down in three important ways: Table of Contents u KBM™ Series Frameless Brushless Motor u KBM(S) Continuous Torque Overview 7 ™ Integrating Standard and Custom Products The optimal solution is often not clear-cut. Our application expertise allows us to modify standard products or develop totally custom solutions across our whole product portfolio so that designs can take flight. Providing Motion Solutions, Not Just Components...

 Open the catalog to page 3
KBM Frameless Direct Drive Rotary Motors-4

KBM™ Series Frameless Brushless Motor The KBM frameless motor series is our newest direct drive technology. KBM frameless brushless motor models are engineered to provide the highperformance, long life and simple installation that today’s design engineers demand. Optional latching digital Hall effect sensors are pre-aligned and factory installed with added axial rotor length to achieve proper triggering. Choice of insulation allows operation over a wide range of line input voltage. Our detailed selection guide provides a variety of pre-engineered options and configurations that are currently...

 Open the catalog to page 4
KBM Frameless Direct Drive Rotary Motors-5

The Benefits of KBM Frameless Motor • Industry-Leading Frameless Motor Performance • Advanced electromagnetic designs deliver maximum torque • density which minimizes required motor space envelope • Extremely smooth rotation with minimal cogging and low total • harmonic distortion (THD) • Broad operating speed range and rapid acceleration • Quality Construction Ensures Reliability and Safe Operation • Redundant magnet attachment to rotor on high-speed models – • adhesive bonding and high-strength banding • 155°C motor winding temperature rating with integral thermistor • allows continuous safe...

 Open the catalog to page 5
KBM Frameless Direct Drive Rotary Motors-6

Kollmorgen, the global leader in direct drive motor technology, is pleased to offer KBM series frameless brushless motors. With a wide variety of sizes and torque ranges available, KBM models are engineered to provide the high-performance, long life and simple installation that today’s design engineers demand. Quality Construction • Fully encapsulated stator windings Standard configuration KBM(S) rotor hubs are constructed from non- • 155°C internal winding temperature continuous capability • PTC thermistor (avalanche-type) overload protection plated cold rolled steel. If special plating, coating,...

 Open the catalog to page 6
KBM Frameless Direct Drive Rotary Motors-7

KBM(S) Continuous Torque Overview K B M ( S ) Select from our wide variety of sizes and torque ranges to suit your application needs. For more detailed and interactive 3D models with 2D products views, visit www.kollmorgen.com/kbm

 Open the catalog to page 7
KBM Frameless Direct Drive Rotary Motors-8

The KBM(S)-10 series is designed to operate over a broad speed range with high acceleration. Designed for maximum torque density with minimal cogging by using a variable air gap, the KBM(S)-10 is an ideal choice to meet or exceed your compact frameless motor application needs. Front View MOTOR LEADS: #22 AWG Teflon® coated per UL 10086 or UL 1199, 400 mm [15.75 in] min. length, 1- Blue, 1- Brown, 1-Violet SENSOR LEADS: #26 AWG Teflon® coated per MIL-W-22759/11, 400 mm [15.75 in] min. length, 1-Blue, 1-Orange, 1-Brown, 1-Green, 1-Yellow THERMISTOR LEADS: #26 AWG Teflon® coated, UL Rated 600 Vdc,...

 Open the catalog to page 8
KBM Frameless Direct Drive Rotary Motors-9

All dimensions are nominal. For more detailed and interactive 3D models with 2D product views, visit www.kollmorgen.com/kbm All dimensions are nominal. For more detailed and interactive 3D models with 2D product views, visit www.kollmorgen.com/kbm

 Open the catalog to page 9
KBM Frameless Direct Drive Rotary Motors-10

Motor Parameter KBM(S)-10XXX Performance Data & Motor Parameters | “7 T777 kbm(s)-ioxoi-x Symbol Units Continuous Stall Torque at 25°C Amb. (1) Continuous Current Peak Stall Torque |25°C winding temp) Peak Current Vac Input Tp Drive Tc Drive Voltage Req'd at Rated Output Peak Stall Torque (4) (Motor with Drive) Cont Stall Torque (4) (Motcrwith Drive) Notes: 1) Winding temperature = 155°C at continuous stall, at rated output, and lor performance curves. 2) To calculate no-load Kt and Kb at 25°C, multiply by 1.064. 3) TPR assumes motor is housed and mounted to a 10‘ x 10' x 1/4' heat sink...

 Open the catalog to page 10
KBM Frameless Direct Drive Rotary Motors-11

KBM(S)-10XXX Performance Data & Motor Parameters Symbol Continuous Stall Torque at 25°C Amb. (1) Continuous Current Peak Stall Torque (25°C winding temp) Peak Current Arms Nm lb-ft Arms Speed at Rated Power Motor Constant Resistance (line to line) Inductance Inertia (KBMS) Weight (KBMS) Cogging Friction (peak-to-peak) Viscous Damping Thermal Resistance (3) TPR Number of Poles P Recommended Kollmorgen AKD Drive Voltage Req’d Vac at Rated Output Input Peak Stall Torque (5) (Motor with Drive) Cont. Stall Torque (4) (Motor with Drive) lb-ft / Arms Vrms / kRPM Nm/√watt lb-ft /√watt Ohms mH Kg-m² lb-ft-s²...

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KBM Frameless Direct Drive Rotary Motors-12

Continuous duty capability for 130°C rise in a 25°C ambient using recommended AKD servo drive and sinusoidal commutation. 0.40 Commutation Frequency Limit Commutation Frequency Limit Commutation Frequency Limit Commutation Frequency Limit Commutation Frequency Limit Low Voltage optimized windings available.

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KBM Frameless Direct Drive Rotary Motors-14

The KBM(S)-14 series is designed to operate over a broad speed range with high acceleration. Designed for maximum torque density with minimal cogging by using a variable air gap, the KBM(S)-14 is an ideal choice to meet or exceed your compact frameless motor application needs. Front View MOTOR LEADS: #18 AWG Teflon® coated per UL 10086 or UL 1199, 400 mm [15.75 in] min. length, 1- Blue, 1- Brown, 1-Violet SENSOR LEADS: #26 AWG Teflon® coated per MIL-W-22759/11, 400 mm [15.75 in] min. length, 1-Blue, 1-Orange, 1-Brown, 1-Green, 1-Yellow Rear View THERMISTOR LEADS: #26 AWG Teflon coated, UL Rated...

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