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I’m developing a 28 mm, 310 V, three-phase micro BLDC that must safely spin at 110,000 rpm for an industrial-grade hair-dryer style application. Low audible noise is the top priority, even under prolonged high-temperature airflow. I already have target dimensions and supply voltage; what I need now is an experienced motor engineer who can take those parameters and turn them into a manufacturable design that meets industrial equipment standards for reliability and lifetime. Finite-element magnetic optimisation, rotor-dynamic balancing, bearing selection and detailed winding data all have to come together so the final unit stays whisper-quiet at full speed. Thermal modelling is equally important because the motor will live in a hot air stream. Deliverables • Electromagnetic design files and simulations (Maxwell, Motor-CAD or similar) • Complete mechanical drawings with tolerances ready for CNC/prototyping • Winding specification, material list and assembly notes • Predicted performance curves (torque, efficiency, noise, temperature rise) • Recommendations for driver topology compatible with 310 V three-phase supply I will supply any existing 3D models and performance targets on project start. A quick turnaround for the first concept is appreciated, followed by iterative refinement until the noise and thermal goals are fully met.
ID Projek: 40332109
24 cadangan
Projek jarak jauh
Aktif 19 hari yang lalu
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Dapatkan bayaran untuk kerja anda
Tuliskan cadangan anda
Ianya percuma untuk mendaftar dan membida pekerjaan
24 pekerja bebas membida secara purata $1,033 USD untuk pekerjaan ini

Hi, Do you have existing designs or performance data that could guide the motor’s development? It sounds like an exciting project, and I can help turn your specifications into a manufacturable design. With extensive experience in motor engineering and a focus on BLDC systems, I specialize in finite-element analysis, rotor dynamics, and thermal modeling. I can provide comprehensive design files, mechanical drawings, and performance predictions to ensure your motor operates efficiently and quietly, even under high heat. I utilize tools like Maxwell and Motor-CAD for simulations, and I’m committed to delivering a quick initial concept with subsequent refinements to meet your requirements. Let’s discuss how we can achieve your project’s goals together!
$750 USD dalam 3 hari
8.5
8.5

Hi Alper T., This is quite similar to a project I delivered last week, so I can jump straight into execution. Ready to start immediately. Best Regards, Sid
$1,455 USD dalam 9 hari
8.7
8.7

As a mechanical engineer with extensive experience in 3D modeling and FEA analysis, particularly with SolidWorks, AutoCAD, and Revit, I am confident I can take your existing 3D models and performance targets and transform them into a manufacturable design for your BLDC motor. My experience also extends to finite-element magnetic optimization, rotor-dynamic balancing, bearing selection and thermal modeling - all crucial aspects of your project. Moreover, my skills in manufacturing design ensure I can deliver complete mechanical drawings with tolerances ready for CNC/prototyping as well as winding specification, material list and assembly notes. Additionally, my ability to create performance curves (torque, efficiency, noise, temperature rise) using advanced simulation software such as Maxwell and Motor-CAD will be invaluable for your project's success.
$766 USD dalam 1 hari
7.5
7.5

HI, I can deliver a complete RPM-based micro BLDC motor design with precise speed control, sensor integration, and optimized performance using PWM-based control systems. 1️⃣ What RPM range and torque specifications are required? 2️⃣ Do you need simulation (MATLAB/ANSYS) along with hardware design? 3️⃣ Should the design include controller + driver circuit + PCB? Warm regards, The Blend Nation
$750 USD dalam 1 hari
7.6
7.6

Welcome I MADE MANY SMART DEVICES THAT MANUFACTURED AND USED IN REAL YOU WILL GET IT DONE PERFECTLY IN LESS TIME CHECK MY LATEST REVIEWS > (http://www.freelancer.com/u/ENG1mga) I have previously worked on, Lifting Set of Drones Mechanism, Robotic Arm, Delivery Robot, Automatic Wiring Machine, Solenoid Engines, Car Rooftent, Boat Lift Mechanism, Shoe Treadmill Mechanism Mechanical Ventilator and many other projects. I use Solidworks, Fusion 360, and ANSYS, COMSOL I have a workshop specializing in all 3D printing and CNC machining work, so I strive to provide the highest quality and precision. What you will receive with me: - 2D drawings - 3D files - Complete Tech. Formats - Finite Element Analysis (FEA) (if needed). Benefits: - I've worked on over 110 successful engineering projects here, rather than pursuing a successful career isolated outside of the Freelancer platform. - Experience in computer-aided manufacturing (CAM), and sheet metal work. - Moulds and Injection Molding and Design for Manufacture (DFM). - CFD and FEA Analysis Finally, I'm honored to work with you, and I will strive to make you satisfied and meet all your expectations. We look forward to our fruitful discussion. Regards,
$750 USD dalam 4 hari
6.8
6.8

Hi, I am very interested in supporting the development of your 28 mm, 310 V three-phase micro BLDC motor. Your focus on ultra-low noise at 110,000 rpm in a high-temperature airflow environment aligns closely with my experience in high-speed electromechanical systems and precision design. I specialize in integrating electromagnetic design, rotor dynamics, and thermal management into manufacturable solutions. For your project, I will ensure the motor achieves stable, quiet operation through careful balancing of magnetic forces, optimized winding design, and robust mechanical architecture. Approach: Electromagnetic Design: FEM-based optimization (Maxwell/Motor-CAD) to minimize torque ripple and acoustic noise Rotor Dynamics & Balancing: Critical speed analysis, shaft design, and precision balancing strategy for 110k rpm stability Bearing Selection: High-speed bearing evaluation (ceramic/hybrid air-compatible options) for durability and low noise Thermal Management: Model heat transfer under hot օդ airflow and optimize materials and cooling paths Driver Compatibility: Recommend suitable high-voltage BLDC driver topology with smooth commutation control Deliverables: Electromagnetic simulation files and results Full mechanical drawings with tolerances (prototype-ready) Winding specifications, BOM, and assembly notes Performance predictions (torque, efficiency, ताप rise, noise considerations) Driver architecture recommendations Best regards,
$1,500 USD dalam 25 hari
6.4
6.4

Hi its Ahmed, Mechanical Engineering with a knack for product design and problem-solving. I am deeply passionate about developing efficient and reliable solutions that exceed expectations, which aligns perfectly with the goals of your project. Not only do I possess the necessary skills in design and manufacturing such as CAD/CAM proficiency, 3D printing, CNC machining, but I also hold core expertise in end-to-end product development and reverse engineering which is crucial for turning your target dimensions into a manufacturable design. My extensive experience in thermal modeling and noise suppression will be invaluable to your project. Utilizing tools like Maxwell or Motor-CAD, I can optimize your 110k RPM Micro BLDC precisely as per your requirements. I take immense pride in ensuring my designs are robust enough to withstand prolonged exposure to high-temperature airflow while maintaining low audible noise - two priorities you outlined as essential for this project's success.
$1,125 USD dalam 11 hari
6.3
6.3

With a profound understanding of Mechanical Engineering and having vast experience in 3D Modelling, CAD/CAM, Finite Element Analysis, Manufacturing Design, Product Design, I believe I am best suited to take up your project. Meeting your key objective of low audible noise at prolonged high-temperature airflow for your hair-dryer application involves careful and precise calculations which coincide with my expertise. Throughout my career, I have handled numerous projects in which design files, simulations, mechanical drawings, winding specifications, and assembly notes were crucial, just like for your venture. This hands-on experience equips me with the necessary skills to generate the desired electromechanical design and present you with detailed performance curves alongside thermal modeling that will ensure its optimal functioning in a hot airstream.
$751 USD dalam 1 hari
6.1
6.1

Hi, I have worked on high-speed BLDC motor design projects where electromagnetic simulations and thermal analysis were used to optimize performance and reduce vibration and noise. For example, I helped develop a compact high-RPM motor for an industrial airflow device, preparing simulation models, winding specifications, and mechanical drawings for prototyping. I'd love to share my experiences with you. Best regards, Epa
$990 USD dalam 7 hari
5.2
5.2

Hi, how are you doing? I went through your project description and I can help you in your project. your project requirements perfectly match my expertise. We are a team of Expert Mechanical design Engineers, we have successfully completed 1000+ Projects for multiple regular clients from OMAN, UK, USA, Australia, Canada, France, Germany, Lebanon and many other countries. We are providing our services in following areas: FEA analysis CFD analysis Thermal analysis Structural analysis HVAC and Heat load calculation We are proficient in using following software’s: AUTOCAD SOLIDWORKS ABAQUS ANSYS Fluent MATLAB/SIMULINK COMSOL Multiphysics CATIA FUSION360 We have good command over REPORT WRITING, we can show you many samples of our previous reports. We can discuss further details in the message box.
$1,125 USD dalam 7 hari
4.7
4.7

I’m Mechanical and CAD Design engineer with 5+ years of experience in high-frequency systems, electromagnetic design, and precision engineering, including simulation-driven optimization workflows. I understand the challenges of ultra-high-speed BLDC motors, especially balancing noise, thermal stability, and mechanical integrity. My Approach: • Electromagnetic Design: FEA-based optimization (Maxwell/Motor-CAD) for efficiency, torque density, and minimized cogging/noise • Rotor Dynamics: High-speed balancing, critical speed analysis, and vibration minimization • Thermal Modeling: Heat transfer under forced hot airflow to ensure safe operation at 110k RPM • Mechanical Design: Tight-tolerance rotor/stator assembly, bearing selection (ceramic/hybrid for high RPM), and manufacturable geometry • Acoustic Focus: Slot/pole optimization and waveform shaping for ultra-low audible noise Deliverables: • EM simulation files + validated results • CNC-ready mechanical drawings • Winding specs, BOM, and assembly notes • Performance curves (torque, efficiency, rise, noise trends) • Driver topology recommendations for 310V 3-phase system Timeline: Initial concept in 5–7 days, followed by iterative refinement.I’m ready to collaborate closely and iterate quickly to meet your noise-critical performance targets
$750 USD dalam 5 hari
3.0
3.0

Hi, I can do this. With extensive experience in motor design and engineering, I am well-equipped to develop your 28 mm, 310 V, three-phase micro BLDC motor. I will focus on achieving low audible noise while ensuring reliability and longevity under high-temperature conditions. My approach includes finite-element magnetic optimization, rotor-dynamic balancing, and careful bearing selection. I will provide detailed electromagnetic design files and simulations using tools like Maxwell or Motor-CAD, along with complete mechanical drawings ready for CNC prototyping. Additionally, I will deliver winding specifications, material lists, and assembly notes, as well as predicted performance curves for torque, efficiency, noise, and temperature rise. I will also recommend a suitable driver topology for your application. I appreciate the need for a quick turnaround and will ensure iterative refinements to meet your noise and thermal goals. Looking forward to collaborating on this project. Ashnasajid
$1,125 USD dalam 3 hari
2.4
2.4

Hello, I’m excited about the opportunity to support the development of your 28 mm, 310 V three-phase micro BLDC motor designed for 110,000 rpm industrial airflow applications. High-speed, low-noise motor systems require precise coordination between electromagnetic design, rotor dynamics, and thermal management, and I have extensive experience delivering manufacturable motor designs that meet strict reliability and lifetime standards. Using advanced tools such as ANSYS Maxwell and Motor-CAD, I will perform detailed electromagnetic optimization to achieve high efficiency while minimizing vibration and acoustic noise. The design process will include rotor dynamic analysis, precision bearing selection, and thermal modeling to ensure stable performance within a hot airflow environment. You will receive complete mechanical drawings ready for CNC prototyping, winding specifications, materials list, and assembly documentation. I will also deliver performance simulations covering torque, efficiency, temperature rise, and predicted acoustic behavior, along with driver topology recommendations compatible with your 310 V three-phase supply. My focus is to translate your target parameters into a robust, manufacturable motor platform that runs smoothly and quietly at extreme speeds. I can provide a rapid first concept, followed by structured refinement until the thermal and acoustic targets are fully achieved. I look forward to collaborating on this high-performance motor development.
$750 USD dalam 3 hari
0.0
0.0

My approach begins with a thorough review of your target dimensions and supply voltage to establish the electromagnetic baseline. I will use finite element analysis in Maxwell or Motor CAD to optimize the rotor and stator geometry for the 110,000 rpm operating point, paying particular attention to magnetic saturation and iron losses which become critical at such high speeds. The winding configuration will be carefully specified to achieve the required torque while minimizing cogging and electromagnetic noise, both of which directly impact audible performance. For the mechanical side, rotor dynamics will be a primary focus. I will specify precision bearings capable of sustained high speed operation and design the rotor assembly with careful attention to balancing tolerances. The mechanical drawings will include all necessary details for CNC prototyping, with tolerances selected to ensure concentricity and minimal vibration. Thermal modelling will be integrated from the start since the motor will operate within a high temperature airflow, and I will ensure the design dissipates heat effectively to protect the magnets, windings, and bearings over the required lifetime. The deliverables will include complete electromagnetic simulation files, a full set of mechanical drawings ready for prototyping, detailed winding specifications with material recommendations, and predicted performance curves covering torque, efficiency, noise, and temperature rise.
$1,125 USD dalam 7 hari
0.0
0.0

Your project sounds like an exciting engineering challenge. Designing a 28 millimeter motor that spins at 110,000 rpm and stays whisper quiet while sitting in a hot air stream is exactly the kind of problem I enjoy solving. I have worked on high speed brushless motors for applications ranging from surgical tools to compact blowers, and I understand how the interplay between electromagnetics, rotor dynamics, and thermal management determines whether the final product succeeds or fails. The noise requirement is what stands out to me. At 110,000 rpm, audible noise typically comes from three sources: electromagnetic forces, mechanical vibration from imbalance, and aerodynamic noise from the rotor surface. I will address each systematically. Magnetically, I will optimize the stator slot and pole combination and carefully shape the rotor magnets to reduce cogging torque and torque ripple, which are major contributors to high frequency whine. Mechanically, I will specify high grade bearings with appropriate preload and design the rotor for precision balancing, providing clear tolerances that your prototype shop must hit. Aerodynamically, I will consider the rotor surface finish and any features that could generate turbulence and add to the noise floor.
$1,125 USD dalam 7 hari
0.0
0.0

As an electrical and mechanical engineer, specializing in motor design and optimization, I understand the complex nature of developing a high-speed micro BLDC like the one you require. My extensive experience in CAD/CAM, finite element analysis, and manufacturing design is the perfect foundation for turning your parameters into a manufacturable design efficiently. I'm particularly adept with robust thermal modeling- a critical aspect to ensure optimal performance even in prolonged high-temperature airflow environments. My integrated engineering team brings comprehensive skills ranging from electrical systems analysis to architectural and 3D design. These diverse skillsets align well with your multifaceted project requirements. Our expertise extends beyond just delivering tasks; we focus on providing complete solutions. From electromagnetic simulations to detailed mechanical drawings and winding specifications, our deliverables will adhere to industrial equipment standards for both reliability and lifetime longevity. Our professional reputation hinges on clear communication, fast delivery, and, most importantly, accurate work. We have all the tools.
$750 USD dalam 7 hari
0.0
0.0

I am a final year student i have knowledge in design engineer and FEA and learning new things if this project will help me to grow knowledge as well as financial use for my higher studies. I deliver the within 10 days.
$800 USD dalam 4 hari
0.0
0.0

Hi, I am an Aerospace Engineer with a background in high-speed rotating machinery, electromagnetic actuators, and complex thermal-fluid environments. Why My Background Fits This Project - A 28 mm rotor at 110,000 RPM requires aerospace-grade precision. I specialize in structural integrity for high-RPM applications. - My work with CFD and heat transfer for rocket nozzles and satellite systems is directly applicable to a motor living in a hot air stream. I will perform conjugate heat transfer (CHT) simulations to ensure the 310V windings stay within safe operating temperatures under prolonged industrial use. - I will provide a cohesive design where the Maxwell/Motor-CAD magnetic results translate perfectly into SolidWorks mechanical drawings, optimized for both electromagnetic efficiency and CNC manufacturability. Technical Approach & Deliverables - FEA-based magnetic design to maximize torque density while minimizing cogging torque (the primary source of audible noise). - Analysis of critical speeds and selection of high-speed ceramic or specialized steel bearings to meet industrial lifetime standards. - Detailed winding patterns and material lists (high-temp magnets, lamination grades) optimized for a 310V three-phase supply. - Full curves for efficiency, torque-speed, and predicted dB noise levels. Timeline: I can deliver the initial electromagnetic and thermal concept within 3-4 business days. Best regards, Batuhan Akkova
$1,125 USD dalam 7 hari
0.0
0.0

amasya, Turkey
Ahli sejak Sep 3, 2019
€250-750 EUR
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₹1500-12500 INR
$250-750 USD
€150-400 EUR
$30-250 AUD
$750-1500 USD
₹1500-12500 INR
$30-250 USD
$10-30 AUD