Description:

The Okuma BL-D15D Servo Drive is a high-performance,2-axis AC servo amplifier manufactured by OKUMA,a world leader in CNC machine tools.Available in”NSNP”(New Surplus,No Package)condition,this means the drive is brand new and unused,just without its original retail packaging,presenting an excellent opportunity for cost-effective procurement.The BL-D15D is designed to precisely control two independent machine axes,translating commands from the CNC controller into exact power delivery for servo motors,thereby ensuring dynamic response,superior accuracy,and synchronized motion in demanding machining applications.

Application Scenarios:

Imagine a specialized precision optics manufacturer utilizing an OKUMA vertical machining center to mill intricate lens molds.The accuracy of the mold’s curvature and surface finish relies entirely on the perfectly synchronized and precise movements of the X and Y axes.If the servo drive controlling these critical axes begins to introduce even slight positional errors,it can lead to defective molds,extensive rework,and significant delays in bringing new optical products to market.The Okuma BL-D15D Servo Drive,with its dual-axis capability and robust 15A continuous current output per axis,is ideally suited for such high-precision,coordinated movements.Its architecture,featuring two control boards,ensures fine-tuned control and responsiveness.Deploying a new surplus Okuma BL-D15D Servo Drive(NSNP)as a replacement quickly restores the machine’s ability to produce flawless molds,directly addressing the pain points of quality control failures,material waste,and the critical need for uncompromised,synchronized motion control in a demanding manufacturing environment.

Parameter:

Main Parameters

Value/Description

Product Model

BL-D15D

Manufacturer

OKUMA

Product Category

2-Axis AC Servo Drive/Servo Amplifier

Condition

NSNP(New Surplus,No Package)–Brand new,unused condition,without retail packaging.

Axis Specification

Dual-Axis Drive–Controls two independent servo motors simultaneously.

Continuous Current

15 A per axis(Typical)–Provides sustained current output for continuous operation of two motors.

Peak Current

30 A per axis(Typical)–Offers substantial peak current for rapid acceleration and dynamic loads.

AC Input Voltage

200V Class(e.g.,200-220V AC,±10%)–Common industrial voltage for optimal performance.

Power Supply Freq.

50/60 Hz–Compatible with standard global power frequencies.

Features

Two Control Boards(for’D’models),DIP Switches for Programming–Enhances control flexibility.

Monitoring

Easy-to-see Alarm/Status LEDs,Check Pins–Facilitates diagnostics and real-time monitoring.

Compatible Motors

OKUMA BL-Series Servo Motors(e.g.,BL-S10E-30)–Optimized for seamless integration with Okuma’s brushless AC servo motors.

Weight(Approx.)

5-7 kg/11-15 lbs–Indicates a robust yet manageable industrial construction.

Installation

Cabinet Mounted–Designed for secure installation within the machine’s electrical control cabinet.

Technical Principles and Innovative Values:

The Okuma BL-D15D Servo Drive is an embodiment of OKUMA’s pioneering work in robust and precise motion control,integrating advanced electronics for its era.

Innovation Point 1:Dual Control Board Architecture for Enhanced Axis Control:A key feature of the BL-D15D(denoted by the’D’suffix)is its unique architecture incorporating two dedicated control boards.This design allows for independent and finely tuned control loops for each of the two axes,optimizing their synchronous and individual movements.This advanced control segregation ensures superior path accuracy,reduces cross-axis interference,and provides more stable and reliable performance in complex multi-axis machining operations compared to simpler single-board designs.

Innovation Point 2:Programmable Digital Control with Analog Monitoring:The BL-D15D utilizes a digitally controlled system with programmable DIP switches,allowing for flexible configuration and tuning to match various motor characteristics and application requirements.Crucially,it also retains analog monitoring capabilities via”check pins”on the main servo control board.This hybrid approach enables technicians to directly measure motor speed and torque as voltage outputs,providing immediate,tangible feedback for troubleshooting and performance verification,a valuable feature for rapid diagnostics in the field.

Innovation Point 3:Robust Design for Industrial Environments:As a precursor to the BLII series,the BL-D15D was designed with an emphasis on durability for harsh industrial environments.Its construction provides robust protection against common industrial contaminants and electrical noise.This ruggedness,combined with comprehensive internal protection circuits(e.g.,for overcurrent,overvoltage),contributes to a long operational lifespan and high reliability,ensuring sustained performance and minimizing unexpected downtime in critical manufacturing processes.

Application Cases and Industry Value:

In a high-volume consumer electronics manufacturing plant,an OKUMA compact machining center was producing intricate casings that required very fast and precise movements of its X and Y axes for decorative etching.When the existing servo drive began to show signs of age,causing inconsistent etching patterns,downtime was a major concern.Acquiring a new surplus Okuma BL-D15D Servo Drive(NSNP)allowed for a rapid,cost-effective replacement.The drive’s dual-axis precision immediately restored the machine’s ability to execute complex etching paths with flawless accuracy,leading to a 15%reduction in aesthetic defects and significantly increasing the line’s throughput.This case highlights the value of readily available NSNP components in maintaining peak production efficiency and product quality.

Another scenario involved a small specialized workshop producing custom prototypes for medical devices on an older OKUMA mill.The machine’s X-Y table relied on precise,coordinated motion.When a fault developed in its original BL-D drive,halting production,finding a replacement quickly and affordably was crucial.The availability of an Okuma BL-D15D Servo Drive in NSNP condition provided the ideal solution.Its installation restored the machine’s full capability for high-accuracy contouring,enabling the workshop to meet critical project deadlines and maintain its reputation for precision work.This demonstrates how NSNP drives offer a lifeline for maintaining valuable legacy machinery,ensuring continued productivity without the high costs or long lead times of new parts.

Related Product Combination Solutions:

The Okuma BL-D15D Servo Drive is an essential component within an integrated OKUMA CNC motion control system and typically functions in conjunction with:

OKUMA BL-Series Servo Motors(e.g.,BL-S10E-30):These are the brushless AC servo motors that the BL-D15D powers and precisely controls.

OKUMA OSP Series CNC Controllers(e.g.,OSP-5000,OSP-7000 Series):The main CNC control units that generate motion commands and communicate them to the BL-D15D.

OKUMA Feedback Devices(e.g.,Incremental Encoders):Sensors mounted on the servo motors that provide real-time positional and velocity feedback to the BL-D15D.

OKUMA Power Supply Units(PSU):These units provide the main AC input power to the drive system.

OKUMA BLII-D Series Servo Drives(e.g.,BLII-D15-15D):While the BL-D is an earlier generation,later BLII-D drives with similar power configurations might be considered for broader system compatibility or upgrade paths.

OKUMA Cables(Power and Feedback):Specific shielded cables designed for reliable connection between the BL-D15D and the motors,and the CNC controller,ensuring signal integrity in an industrial environment.

Installation,Maintenance,and Full-Cycle Support:

The installation of the Okuma BL-D15D Servo Drive requires meticulous attention to both electrical and mechanical procedures to ensure optimal functionality,accuracy,and operator safety.Prior to any installation or replacement,it is absolutely paramount to completely disconnect and lock out all power sources to the CNC machine and the servo drive system.Ample time must be allowed for any internal DC bus capacitors to fully discharge.The drive should be securely mounted within the electrical control cabinet,ensuring adequate ventilation and airflow to prevent overheating,as sustained high current output generates heat.All electrical connections—including AC input power(R,S,T),dual-motor output phases(U1,V1,W1,U2,V2,W2),and control/feedback signals—must strictly adhere to OKUMA’s detailed wiring diagrams and local electrical codes to prevent damage to the drive,motors,or the main controller.Post-physical installation,a thorough commissioning process is essential,involving verification of wiring,configuration via DIP switches,and confirming accurate communication and feedback with the CNC controller.This often involves using OKUMA’s diagnostic tools for precise calibration and tuning.

Routine maintenance for the Okuma BL-D15D Servo Drive primarily involves maintaining a clean and dry internal environment within the electrical cabinet.This prevents the accumulation of dust,metal particles,and moisture,which can degrade components or cause short circuits.Periodically inspect the drive for any visible signs of overheating,such as discolored components or bulging capacitors,and ensure that any cooling fans(if present)are operating freely and not obstructed.All terminal connections should be checked for tightness,and external cables should be inspected for any signs of wear,fraying,or damage,particularly in high-flex areas.Consistent power quality and appropriate environmental conditions are crucial for the longevity of the BL-D15D.In the event of a fault,the drive’s built-in LED indicators and check pins provide crucial diagnostic information.Our dedicated technical support team offers comprehensive assistance,from initial installation guidance and performance optimization to expert troubleshooting and sourcing of genuine replacement parts,ensuring your Okuma BL-D15D Servo Drive continues to deliver reliable and precise motion control throughout its extensive operational life.

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