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Copyright © 2008 Rockwell Automation, Inc. All rights reserved. Insert Photo Here RDD-Series (Bulletin RDB) Bearingless Direct Drive Rotary Servo Motors
Copyright © 2008 Rockwell Automation, Inc. All rights reserved. 2 Direct Drive Motors by any other name still mean improved performance and greater efficiency for your machine
Copyright © 2008 Rockwell Automation, Inc. All rights reserved. 3 What is a Direct Drive Motor? Direct Drive Motor: Any motor whose design is specifically intended to allow for direct-coupling to the load, thus improving system performance and efficiency by eliminating the need for additional mechanical transmission components.
Copyright © 2008 Rockwell Automation, Inc. All rights reserved. 4 Realize the benefits of a Mechatronic Solution The RDD-Series Rotary Direct Drive Motors are part of the Rockwell Automation mechatronic solutions portfolio. Mechatronic design is a collaborative venture between mechanical, electrical, and control design engineers – the outcome is a machine design optimized for high performance. The Rockwell Automation mechatronics offering includes: virtual design tools, products and expertise. Mechatronic products like the RDD-Series Motors provide tighter coupling between the control and machine function, and help eliminate backlash, compliance, noise and energy losses.
Copyright © 2008 Rockwell Automation, Inc. All rights reserved. 5 What are the benefits of Direct Drive Motors? Increased Machine Throughput –Direct Coupling of Motor to Load Eliminates Compliance and Backlash Better control of the load More responsive system Optimal system performance Increased Customer Product Quality –Significant Improvement in System Accuracy Lower Energy Consumption –Reduced Mechanical Losses Friction Heat Noise –No Inertia Matching Right-size the power for the application Key Benefit: Increased System Performance and Efficiency
Copyright © 2008 Rockwell Automation, Inc. All rights reserved. 6 What are the benefits of Direct Drive Motors? Simplified Mechanics –Eliminates Components that Wear over Time Stable long-term accuracy Higher reliability Consistent quality –Reduced Maintenance (lubrication, belt tensioning, tuning, etc.) Increased productivity Reduced scrap –Lower Overall Part Count Lower purchasing burden Faster assembly Reduced spare parts inventory Smaller machine footprint Reduced Commissioning Time –Simplified Tuning Key Benefits: Increased System Reliability, Lower Total Cost of Ownership
Copyright © 2008 Rockwell Automation, Inc. All rights reserved. 7 Rockwell Automation Direct Drive - Benefits Integrated Architecture –Single source solution –Single programming environment –Smart Motor Technology (plug-n-play) Motion Analyzer Integration –Simplified / optimized sizing and selection Old rules of thumb not sufficient to get full utilization of products –Mechatronics Capability Import 3D CAD files (SolidWorks) Mechanical animation and simulation Tuning simulation –Database with Drive Compatibilities Catalog numbers Speed / torque curves
Copyright © 2008 Rockwell Automation, Inc. All rights reserved. 8 Direct Drive Motors vs. Traditional Mechanics Criteria Belt or Chain Spur Gearbox Planetary Gearbox Direct Drive Comments Upfront Engineering (Time and Cost) RDD motors designed into machine (traditional motors bolted onto machine) Acceleration Lower system inertia = faster acceleration Compliance & Backlash Fewer mechanical components = less backlash & compliance = better system accuracy Inertia Mismatch Inertia ratio irrelevant when backlash and compliance are removed Tuning Reducing / eliminating backlash and compliance greatly simplifies tuning Power Requirement Lower friction / heat / noise = higher system efficiency = reduced power requirements Reliability Eliminating mechanical transmission components = reduced maintenance and fewer spare parts
Copyright © 2008 Rockwell Automation, Inc. All rights reserved. 9 Your application can benefit if.... Performance Requirements Exceed Capabilities of Traditional Solution –Just cant get there from here – Direct Drive motors can help improve performance Chronic Mechanical Maintenance Issues - Direct Drive motors can help reduce downtime Gearbox Used for Inertia Matching –Results in oversized motor (excessive torque relative to application requirement) –Higher speed motor = higher current = larger drive = higher system cost Tight Space Constraints –Eliminating parts reduces space requirements
Copyright © 2008 Rockwell Automation, Inc. All rights reserved. 10 RDD-Series (Bulletin RDB) – Product Overview Bearingless Rotor Optimized for Applications where Load Already Supported by Bearings Greatly Simplifies Motor Installation Feedback Heidenhain High Resolution Absolute Encoders 2048 Sin / Cos Periods per Revolution Female Shaft Interface Large Diameter for Rigid Connection of Motor to Load Eliminates Backlash / Compliance Windings Optimized for use with latest Kinetix 6000 family and Kinetix 7000 Servo Drives Low, Medium and High Speed Options Environmental Protection IP65 (Blind Bore) IP64 (Through Bore) Connectors DIN-Style Use 2090 (MP-Series) Cables
Copyright © 2008 Rockwell Automation, Inc. All rights reserved. 11 Semi-con Converting Automotive (tire building) Print Robotics & Indexing RDD-Series (Bulletin RDB) – Power Range 5,000 Nm500 Nm50 Nm5 Nm Continuous Torque (Nm) Low Speed Windings 5 Nm – 400 Nm Low Speed Windings Medium Speed Windings High Speed Windings 5 Nm – 500 Nm Industries RDB - Bearingless RDH - Housed
Copyright © 2008 Rockwell Automation, Inc. All rights reserved. 12 Kinetix Family of Rotary Servo Motors 1000 Nm Voltage 230 Volts 400 / 460 Volts 1 Nm0.1 Nm10 Nm100 Nm TL-Series MP-Series Low Inertia Continuous Torque Low Inertia Medium Inertia F-Series 1326AB HPK- Series
Copyright © 2008 Rockwell Automation, Inc. All rights reserved. 13 RDB Growing Kinetix Family of Rotary Servo Motors 1000 Nm Voltage 230 Volts 400 / 460 Volts 1 Nm0.1 Nm10 Nm100 Nm TL-Series MP-Series Low Inertia Continuous Torque Low Inertia Medium Inertia Direct Drive MP-Series Medium Inertia * Future Product RDH * Frameless *
Copyright © 2008 Rockwell Automation, Inc. All rights reserved. 14 RDD-Series (Bulletin RDB) - Summary Direct Drive Rotary Servo Motors –Increased performance, efficiency, reliability –Decreased Total Cost of Ownership Applications –Performance optimization –High inertial loads –High Power + High Performance –Tight space constraints –Eliminate chronic maintenance issues Configurations –Bearingless (RDB) –Housed (RDH) –Frameless (Future)
Copyright © 2008 Rockwell Automation, Inc. All rights reserved. 15 RDD-Series (Bulletin RDB) - Contact Information Rockwell Automation Sales Contact – David Hansen – (952) Local Distributor Contact –Brandon Bernier –(402) How Can Your Machine Benefit from Direct Drive? (Distributor logo here)
Copyright © 2008 Rockwell Automation, Inc. All rights reserved. Insert Photo Here
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