
Closed
Posted
Paid on delivery
I need a complete design package for a brushless DC motor—from first-principles sizing right through to manufacturable drawings. We will begin by confirming target torque, speed, efficiency, dimensions, and operating voltage together, then move into detailed electromagnetic and mechanical modelling. Typical tasks will include: • Electromagnetic optimisation in Motor-CAD, ANSYS Maxwell or equivalent • Thermal analysis to verify continuous and peak ratings • Mechanical CAD of stator, rotor, shaft, housing and cooling features • Winding layout, slot-fill and material specification • Loss, efficiency and torque–speed curve predictions • Draft manufacturing drawings and a concise bill of materials Acceptance criteria: 1. Simulation results that meet the agreed performance targets. 2. Native CAD and FEA files plus neutral formats (STEP, PDF). 3. A short report summarising methods, assumptions and final specifications. Clear, well-commented models and files are essential so the design can move straight into prototyping or hand-off to a manufacturer.
Project ID: 40730836
34 proposals
Remote project
Active 2 hours ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
34 freelancers are bidding on average $1,039 USD for this job

As an accomplished Electrical Engineer and IoT product specialist, I bring a unique combination of skills and experience to your custom BLDC Motor Design project. My background in PCB design, RF hardware, and deep proficiency in relevant software platforms such as Maxwell and ANSYS Maxwell equip me to optimize your motor's performance down to the finest detail, which includes factors like thermal analysis, loss, efficiency, and torque-speed curve predictions. Moreover, my rich knowledge in CAD and Mechanical Engineering, specifically in 3D modeling using powerful tools like Solidworks, prepares me well to navigate the mechanical aspects of this project that includes generating designs for multiple motor parts like stator, rotor, shaft housing with cooling features. My notable work on AI is our interest as well. As a firm believer in innovation as the path to greater success, I embrace technologies like machine learning & deep learning and implement intelligent algorithms that bettered control systems whose infusion I believe would be valuable to your BLDC custom motor design.
$1,500 USD in 30 days
8.3
8.3

My name is Kirandeep Kaur, a multi-faceted designer who excels in bringing visions to life. With my extensive experience in 3D Modelling and Prototyping, I am confident that I can offer you a comprehensive design package for your brushless DC motor. What sets me apart from other designers is not just my technical expertise, but also my deep understanding of the manufacturing process. I am well-versed in using advanced software like Motor-CAD and ANSYS Maxwell which are essential for an electromagnetic and mechanical modelling like yours. My skills will enable us to optimize every aspect of the design, from the winding layout to the cooling features, ensuring we achieve optimum performance within your target criteria. Moreover, I recognize the importance of clear, well-documented designs that can easily transition from prototyping to manufacturing. Therefore, I undertake to provide you with native CAD and FEA files as well as neutral formats, making it seamless for your team to move the project forward. I value open communication throughout the process and promise not just a professionally designed product but also an exceptional client experience. Let's surpass your performance targets together!
$760 USD in 1 day
7.5
7.5

Hi, I’m a mechanical/electronics engineer with 5+ years of experience in mechanical design, FEA/thermal analysis, electromechanical systems, CAD, and prototype development. I can develop your BLDC motor from initial requirements through a manufacturable design package, with the electromagnetic, thermal, and mechanical aspects considered together. My approach includes: • Define torque, speed, voltage, efficiency, duty cycle and dimensional targets • Electromagnetic sizing and optimisation using suitable simulation tools • Stator/rotor geometry, winding layout and slot-fill evaluation • Copper/iron/magnet loss and efficiency calculations • Thermal analysis for continuous and peak operating conditions • Detailed CAD for stator, rotor, shaft, housing and cooling features • Bearings, tolerances, materials and manufacturability • Torque–speed and performance predictions • Manufacturing drawings and concise BOM Deliverables will include native CAD/FEA files, STEP/PDF drawings, simulation results, assumptions, and a concise design report suitable for prototype/manufacturer hand-off. I can begin with a requirements and first-principles sizing stage, then proceed to electromagnetic, thermal and mechanical optimisation. Best regards,
$3,500 USD in 25 days
6.7
6.7

Hi there, I can help develop your complete custom BLDC motor design, from initial sizing to simulation and manufacturing-ready CAD. I have experience with ANSYS Maxwell, FEA, thermal analysis and mechanical design, and can cover: Motor sizing and electromagnetic optimization Torque, efficiency, losses and torque-speed prediction Stator/rotor, shaft, housing and cooling design Winding and slot-fill evaluation Thermal and structural validation SolidWorks 3D CAD and manufacturing drawings BOM, STEP/PDF files and technical report I can work iteratively to meet the agreed torque, speed, voltage, efficiency and dimensional targets. Could you share the required continuous/peak torque, RPM, voltage and maximum motor dimensions? Best regards, Arati M.
$1,125 USD in 7 days
6.7
6.7

With over X years of experience in 3D modeling and design using software like Solidworks, AutoCAD, and ANSYS Maxwell, I can promise you a comprehensive and high-quality brushless DC motor design that aligns with your specific needs. I have ample experience in electromechanical optimization and understanding of essential steps such as thermal analysis, winding layout, and more. I am confident that these skills make me an ideal fit for your project. Having successfully accomplished various similar projects, I guarantee you optimal project outcomes. My meticulous approach towards work ensures well-commented models useful in several downstream applications such as prototyping or hand-off to a manufacturer. Furthermore, I understand the need for you to make informed decisions relying on efficient data transfer hence, will provide you with native CAD files and neutral formats like STEP or PDF.
$752 USD in 1 day
6.5
6.5

Hello sir, Did go through your job description and glad to share that I have enormous experience in I'm a seasoned programmer and Engineer with quality experience in Flutter, React, Node.JS, SpringBoot, Frontend and Backend Development, Python, Matlab, R studio, C, C++, C#, OpenCV, OpenGL, Tesseract OCR, google vision, Statisticaal programming/R progamming data analysis Computing for Data Analysis Time Series & Econometric, Machine learning, AI, Deep learning, Matlab and Mathematica, 3D modeling, CAD/CAM,AutoCAD, 2D, Architectural Engineering, SolidWorks, Unity 3D, AutoCAD, 2D drawing, 2D draftingPCB, Electronics, Arduino, Embedded Systems Automation, Embedded and Firmware , IOT, Electrical/Mechanical Engineering I am a TOP Rated Freelancer, and you can check my reviews here as well: https://www.freelancer.com/u/mzdesmag. Looking forward to potentially working together on this project. Thanks and Best regards, Adekunle.
$750 USD in 7 days
6.3
6.3

Hi, At Vutuk Design and Media, we bring over 15 years of core electro-mechanical engineering, custom electric motor packaging, thermal/FEA simulation, DFM optimization, and technical visual media expertise. Our team delivers complete motor engineering packages—combining precise SolidWorks BLDC motor CAD models and manufacturing drawing sets with photorealistic 3D renders and exploded assembly videos for pitch decks and production teams. To help us scope your custom BLDC motor design project effectively: Do you have off-the-shelf stator/rotor laminations selected, or is this a completely ground-up custom lamination stack design? What target manufacturing processes (e.g., CNC aluminum machining, die casting, plastic injection end-bells) will be used? Will the motor require integrated planetary gearboxes, encoders, or custom drive electronics housing? Would you like photorealistic 3D product renders or short animated exploded-view assembly videos created for marketing or manuals? We invite you to visit our profile and portfolio page to evaluate our past electro-mechanical motor designs and 3D visual showcases. Let's discuss your project! Best regards, Vutuk Design and Media
$1,125 USD in 7 days
5.6
5.6

The mechanical CAD side of a BLDC motor — stator, rotor, shaft, housing and cooling geometry — is what actually determines whether the electromagnetic design translates into something that manufactures cleanly and dissipates heat the way the simulation promised. I can take the design from confirmed torque, speed and dimensional targets through full mechanical CAD of the housing, shaft and cooling features, plus manufacturing drawings and BOM once the electromagnetic sizing is locked in. My core strength is SolidWorks mechanical design rather than the Motor-CAD or ANSYS Maxwell electromagnetic optimization itself, so I'd want to be upfront that I'd cover the mechanical half end to end while pairing with or handing off to an electromagnetic specialist for the winding, slot-fill and torque-speed curve work — happy to coordinate directly with whoever you bring in for that piece. I've built enclosure and rotating-component CAD before where thermal and mechanical constraints had to line up tightly with an outside performance spec, so that handoff workflow is familiar. Let me know if you'd rather source the EM work separately or if you already have someone lined up, and I can scope the mechanical portion precisely from there.
$750 USD in 7 days
5.4
5.4

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: Product Design | 3D CAD Modelling Finite Element Analysis | Computational Fluid Dynamics Thermal analysis | Structural analysis HVAC and Heat load calculation We are proficient in using following software’s: AUTOCAD SOLIDWORKS ABAQUS ANSYS APDL | ANSYS Fluent MATLAB | SIMULINK COMSOL Multiphysics FUSION360 | CATIA 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 in 7 days
5.7
5.7

I have completed similar mechanical product development, CAD, engineering simulation and electromechanical design projects, and I can support your BLDC motor development from preliminary sizing through a coordinated manufacturable design package. I begin by establishing the required torque, speed, voltage, efficiency, dimensions and duty cycle, then develop the electromagnetic design and iterate the motor geometry against the agreed performance targets. The mechanical design will be developed in parallel so the electromagnetic, thermal and mechanical requirements remain coordinated. Deliverables First-principles motor sizing calculations Electromagnetic model and optimisation Thermal analysis for continuous/peak operation Stator, rotor, shaft and housing CAD Cooling and mechanical interface design Winding/slot-fill and material specifications Loss, efficiency and torque-speed predictions Manufacturing-ready drawings Concise BOM and material schedule Native CAD/FEA files STEP and PDF outputs Technical report with assumptions and results Why Choose Me With 9+ years of mechanical CAD, engineering simulation, PCB/embedded hardware and electromechanical product-development experience, I understand the importance of coordinating electrical performance with mechanical manufacturability. Please provide the initial torque, RPM, voltage, duty cycle, dimensional envelope and cooling constraints. I can then establish the initial motor architecture and development plan.
$750 USD in 5 days
4.1
4.1

Hi there ! With a proven track record in end-to-end design, I have the expertise to tackle every aspect of building a custom BLDC motor including optimizing its electromagnetic and mechanical functions. My proficiency in using Motor-CAD, ANSYS Maxwell, Solidworks and other essential design tools reaffirms my belief that I'm the perfect fit for your project. I understand the critical importance of simulation results meeting agreed performance targets—a standard I never compromise on. My designs are meticulous, maintaining clear, well-commented models that can seamlessly transition into prototyping or manufacturing stages. This is why providing you with the Native CAD and FEA files along with neutral formats like STEP and PDF is standard practice for me. My aim isn't just to create blueprints but to provide you with comprehensive documentation on methods, assumptions and final specifications. By choosing me, you'll not only achieve your immediate goals but also actively contribute towards future projects with ready access to my knowledge base. Let's work together to make your vision a reality. Thanks & regards Gaurav Sharma....
$750 USD in 7 days
4.2
4.2

With my extensive background in AI and Machine Learning, as well as my engineering skills in areas such as 3D Modelling and CAD/CAM, I believe I am uniquely equipped to tackle the challenge your project offers. My 10+ years of research and industry experience, including time spent working on state-institutions projects that required those same skills to develop advanced IoT-based solutions like electronic-tax systems and automated surveillance. Finally, my proficiency in cloud services like AWS or Azure means that when it comes to handing-off the design to an actual manufacturer there'll be no hitches of any sort. Design data will be precisely recorded with native file formats being handed-off as expected alongside comprehensive report including clear records of design methodology used during this process. I pride myself on prompt delivery, reliable communication and outstanding results – your BLDC Motor design goals will not only be met but exceeded. Let's get started today!
$750 USD in 5 days
4.3
4.3

The specific technical risk here is predicting brushless DC motor performance with first-principles sizing, then verifying that with detailed electromagnetic and thermal modelling. I handle this risk by starting with the core sizing calculations, feeding those directly into the electromagnetic simulation in Motor-CAD, and then iterating on mechanical design in Solidworks for thermal analysis. I will build your complete design package, producing manufacturable drawings for the stator, rotor, shaft, and housing. This also includes the winding layout and material specification. What are the target continuous and peak torque requirements? Send over your performance targets. I have a 5.0 rating across 10 reviews here, and Preferred Freelancer status.
$765 USD in 21 days
2.5
2.5

With over 14 years of experience in the design field, I am fully equipped to deliver on your Custom BLDC Motor Design project. My expertise specifically aligns with the tasks you've outlined - from electromagnetic optimization and mechanical CAD to thermal analysis and generating native CAD and FEA files. I'm experienced in using Motor-CAD, ANSYS Maxwell alongside extensive knowledge of SOLIDWORKS, AUTOCAD, CAM and CAE software. Additionally, my mechanical engineering background gives me a holistic perspective that enables efficient problem-solving throughout the design process. My engineering skills particularly in manufacturing and materials engineering can be instrumental in ensuring manufacturability and performance reliability in the design. I have successfully delivered numerous intricate 3D designs, renderings and 2D drawings for complex projects like yours. What sets me apart is my deep commitment to client satisfaction which is evident in the quality of work and positive reviews I've received. I prioritize clear documented files with extensive commentary to facilitate prototyping or transition to your manufacturer. Let's turn your conceptualized BLDC Motor into an agile reality! Hire me today for a professional touch on your motor design project.
$1,125 USD in 1 day
2.6
2.6

Dear Client, As an Aerospace & Electromechanical Systems Design Engineer experienced in electric machine design, electromagnetic FEA (ANSYS Maxwell / Motor-CAD), and precision mechanical CAD (SolidWorks), I am well prepared to engineer your complete BLDC motor package. Translating high-level torque-speed targets into a manufacturable machine requires tightly coupled multi-physics modeling: - First-Principles & Electromagnetic Sizing: Establishing slot/pole combinations, magnetic circuit geometry (NdFeB/SmCo grades, electrical steel laminations), and winding topology (concentrated vs. distributed) to maximize slot fill (>45%), suppress cogging torque, and minimize iron/copper losses across your duty cycle. - Thermal & Mechanical Packaging: Conducting coupled thermal FEA to validate continuous vs. peak thermal limits under conduction/convection cooling. Modeling the rotor, stator stack, balanced shaft, bearing journals, retention sleeves, and housing with precise GD&T and press-fit tolerances. - Performance Mapping: Simulating back-EMF, inductance (L_d, L_q), efficiency maps, and torque-speed envelopes across the operating voltage range. Deliverables Complete 3D CAD (.sldprt/.step) 2D fabrication drawings (ASME Y14.5) Native FEA/electromagnetic simulations Sourced Bill of Materials Ready to review your target specs and begin immediately! Best regards, Batuhan Akkova
$1,125 USD in 7 days
2.2
2.2

Hi, I'm a mechatronics engineer (so both the electrical and the mechanical side), and a full BLDC design package is exactly the kind of project I enjoy. I'm also CSWA-certified in SolidWorks. Here's how I'd go about it. First we agree on the targets together: torque, speed, voltage, efficiency, size and cooling. Then I do the analytical sizing (slot/pole combination, magnets, winding, slot fill) in a clear Python/Excel sheet you can re-run yourself. After that I check it with 2D FEA for back-EMF, cogging, torque-speed and efficiency, and run a thermal model for the continuous and peak ratings. To be upfront, I don't have Motor-CAD or Maxwell licences. I use open-source FEA, so you'd get the model files plus CSV results and plots. For the mechanical part I model the stator, rotor, shaft, housing and cooling in parametric CAD (FreeCAD, with STEP export), then prepare the manufacturing drawings, the BOM and a short report. You'd have the first sizing sheet in about 4 days and the full package in around 3 weeks. What's the motor for (drone, e-bike, robot joint, pump...)? And do you already have a supply voltage and a maximum outer diameter in mind? Thanks, Mabrouki
$1,000 USD in 21 days
1.1
1.1

Hi, I can design your ''BLDC motor from initial sizing to manufacturing-ready CAD'', including electromagnetic, thermal, and mechanical analysis. I have experience with ''Motor-CAD, ANSYS Maxwell, mechanical CAD, winding design, torque-speed analysis, drawings, and BOMs''. I can provide the required ''native files, STEP/PDF, and design report''. Please share the target torque, speed, voltage, and dimensions to get started. Thanks, Deepak
$925 USD in 7 days
0.4
0.4

Motor-CAD or Maxwell results that must hit "agreed targets" are only as good as the targets, and torque, speed and voltage are still open in your brief. I'd want those fixed before any modelling starts, otherwise $1500 gets eaten by rework. I haven't run motor EM simulation before; my background is mechanical drawings, specs and drive control firmware for microcontrollers. What peak torque and supply voltage are you aiming at?
$750 USD in 21 days
0.0
0.0

Hi, I can develop your complete BLDC motor design, from first-principles sizing through simulation and manufacturing-ready drawings. ⬛ Electromagnetic design and optimization in Motor-CAD / ANSYS Maxwell ⬛ Torque, speed, efficiency, voltage and thermal analysis ⬛ Stator, rotor, shaft, housing and cooling 3D CAD modeling ⬛ Winding layout, slot fill and material selection ⬛ Loss analysis, efficiency and torque–speed predictions ⬛ Manufacturing drawings, STEP/PDF files and BOM ⬛ Clear, organized FEA/CAD models and technical report I can structure the work around your acceptance criteria and provide files ready for prototyping or manufacturer hand-off. I’m available to start by defining the motor specifications and building the initial sizing model.
$1,125 USD in 7 days
0.0
0.0

Regarding motors, I have participated in designing small motors, mainly used for various pumps. I need to know your detailed requirements and specifications to see if it’s suitable for this project.
$1,000 USD in 7 days
0.9
0.9

Chennai, India
Payment method verified
Member since Mar 30, 2011
$30-250 USD
$30-250 USD
$30-250 USD
$10-30 USD
$30-250 USD
₹1500-12500 INR
€30-250 EUR
min $50 USD / hour
$750-1500 USD
$250-750 USD
£20-250 GBP
$25-50 USD / hour
$45-80 USD
₹12500-37500 INR
₹12500-37500 INR
₹12500-37500 INR
₹12500-37500 INR
₹12500-37500 INR
₹12500-37500 INR
$30-250 USD
£20-250 GBP
$25-50 USD / hour
$250-750 USD
$250-750 USD
$750-1500 USD