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I have a steel storage box fitted with two lightweight, self-closing doors—one on the front and one on the top. The current hinges sit on the outside of the cabinet, and they spoil the overall look. I want to keep the same self-closing performance but move the hinge mechanism inside the enclosure and do it in a cost-effective way. Here is what I need from you: • Study the existing setup and door geometry. • Propose at least one practical internal hinge concept that can handle doors of up to 5 kg without sacrificing the automatic return action. • Provide basic CAD drawings or sketches with dimensions, material callouts, and mounting details so my fabricator can implement the change. • List any off-the-shelf components required (torsion springs, concealed hinge types, etc.) along with part numbers or supplier links, or specify a simple fabricated solution if that is more economical. • Briefly justify the choice with a quick strength or life-cycle check to confirm the hinge will operate reliably in steel construction. Acceptance criteria – Doors self-close smoothly through the full swing angle. – All hardware remains hidden when the doors are shut. – No new operations should add significant cost to my current sheet-metal process (laser cut, bend, weld). – Your documentation is clear enough for a shop to prototype without further clarification. - Cost should be limited to the current option cost If you need dimensions, photos, or current hinge specs, let me know and I will supply them right away.
ID Projek: 40286957
40 cadangan
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Aktif 1 bulan yang lalu
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40 pekerja bebas membida secara purata $111 USD untuk pekerjaan ini

As an enthusiastic engineer with years of experience in 3D CAD, Design, and Modelling, I believe I offer the perfect fit for your Internal Self-Closing Hinge Redesign project. My vast knowledge in these areas coupled with my evident skills in AutoCAD, Solidworks, and mechanical engineering give me a unique perspective from whence I can tackle this task efficiently and effectively. Having worked on diverse projects that involved cost-effective redesigns with minimal interruptions to the existing production process, I am adept at finding creative solutions while keeping costs approachable. Your goals of retaining self-closing efficiency while hiding all hardware align perfectly with my problem-solving strengths. Additionally, my ability to quickly evaluate strength and life-cycle checks is a valuable skill that will ensure the proposed hinge mechanism is both reliable and robust for your steel construction. Moreover, I have excelled at translating complex engineering designs into practical prototypes implementing clear documentation.
$96 USD dalam 2 hari
7.9
7.9

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).
$100 USD dalam 1 hari
6.8
6.8

Hi, I’m Ahmed. I am a Mechatronics Engineer with 6+ years of specialized experience in Fusion 360 and integrated hardware development. I don't just provide digital designs; I operate a fully equipped R&D lab with 3D printing, CNC, and precision craft tools. This allows me to virtually design and physically validate your prototype, ensuring it works in the real world before you move to mass production. My expertise includes: Mechanical: Complex CAD/CAM for 3D printing and CNC. Electrical: Custom PCB design and sensor integration. Software: Embedded C and firmware for smart devices. I’d love to hop on a 10-minute chat to discuss your technical requirements and how I can help bring this product to life. Best regards, Ahmed
$140 USD dalam 7 hari
6.6
6.6

As an architect with a deep understanding of technical drawings and design software, I am confident in my ability to tackle your specific problem of a self-closing hinge redesign. Not only do I possess the necessary skills and knowledge for this project, but I also have firsthand experience in product design, CAD modeling (including SolidWorks), and fabrication procedures such as laser cutting and welding which are crucial for the successful completion of your project. I understand that you require a safe, cost-effective and aesthetically pleasing solution that maintains the original self-closing functionality of the hinge. My years of experience has sharpened my ability to analyze existing designs holistically and propose optimized concepts that improve efficiency without compromising quality. Whether it is hidden hinges or torsion springs, I’m well versed in leveraging off-the-shelf components to save both time and money while still delivering high-quality results. thanks and regards
$134 USD dalam 1 hari
6.3
6.3

Hey , I’ve carefully checked your requirements and really interested in this job. I’m working as a freelance graphic designer with U.S. and European teams. I’m offering best quality and highest performance at lowest price. I can complete your project on time and your will experience great satisfaction with me. I have rich experienced in AutoCAD, 3D Modelling, Solidworks, 3D Design, Product Design, 3D CAD, 3D Drafting, Mechanical Engineering, Engineering Drawing and CAD/CAM. For more information about me, please refer to my portfolios. I’m ready to discuss your project and start immediately. Looking forward to hearing you back and discussing all details.. Thanks and Regards
$30 USD dalam 1 hari
6.4
6.4

Hi there! Concealing external hinges in a steel cabinet while maintaining self-closing action requires a compact internal hinge system—typically using concealed pivots or torsion-spring hinges designed to integrate with laser-cut and bent sheet-metal construction. We can review your current door geometry and develop an internal hinge concept with CAD sketches, mounting details, and recommended off-the-shelf components so your fabricator can prototype without adding cost to your existing process. We have handled similar mechanical enclosure and sheet-metal hinge design projects before. Questions: ✅ Could you share current door dimensions and hinge placement photos? ✅ What is the door opening angle required for the front and top doors? ✅ Do you prefer a fully fabricated hinge or integration of standard concealed hardware? Portfolio: www.freelancer.com/u/rvwebfreelancing/mech Best regards, Buildtrix Studio
$31 USD dalam 3 hari
6.5
6.5

Hi there! I’m a mechanical designer experienced in sheet‑metal hardware solutions. I’ll study your current hinge setup and door geometry, then propose at least one practical internal hinge concept that preserves the self‑closing action for doors up to 5 kg. Deliverables will include CAD drawings/sketches with dimensions, material callouts, mounting details, and a list of off‑the‑shelf components (or a simple fabricated option) with part numbers. I’ll also provide a quick strength/life‑cycle check to confirm reliable operation in steel construction. You’ll receive clear documentation so your shop can prototype without further clarification, keeping costs aligned with your current process. Best regards,
$150 USD dalam 5 hari
6.6
6.6

Active now ?? When i see the details of "Internal Self-Closing Hinge Redesign" which are you searching am fully interested to do this. Have an experience to create & develop. I'm using many software's like - Blender, solid work, 3d plan, Analysis, Rhino, Fusion 360, ZB-rush, Cad, Interior & exterior 3D model with walkthrough etc. I would want to do this work. Hope you ping me. WILL SHOW YOU SOME PAST OF WORK ?? Best regards, Sakshi masih
$35 USD dalam 1 hari
6.1
6.1

Hi, I have carefully reviewed your project requirements regarding the Internal Self-Closing Hinge Redesign and I am confident in my ability to deliver a solution that meets your expectations. My approach involves a detailed analysis of the existing setup and door geometry to propose a practical internal hinge concept that maintains the self-closing performance while enhancing the aesthetic appeal. I will provide CAD drawings or sketches with dimensions, material specifications, and mounting details for easy implementation by your fabricator. Additionally, I will identify any necessary off-the-shelf components or propose a cost-effective fabricated solution. With over 3 years of experience in AutoCAD and 3D Design, I am well-equipped to handle this project efficiently. You can view examples of my previous work in my portfolio here: I’d love to discuss your project further and answer any questions you may have. Feel free to reach out so we can refine the details together. "Best Regards, Salman" Looking forward to the opportunity to work on this exciting project with you. Let's create a sleek and functional hinge design together!
$50 USD dalam 1 hari
5.9
5.9

My name is Mehar Awais. I will redesign your internal self-closing hinge with precise parametric CAD modeling, improved mechanism geometry, and production-ready detailing suitable for prototyping or manufacturing. I can refine the spring mechanism layout, pivot alignment, mounting interfaces, and tolerance clearances to ensure smooth self-closing operation and reliable durability. I will also prepare STEP/STL files and detailed technical drawings if required. With three years of experience in mechanical CAD development and mechanism design, I focus on dimensional accuracy and clean, production-ready deliverables. Freelancer profile: www.freelancer.com/u/awaisshehaz
$100 USD dalam 2 hari
5.9
5.9

Outside hinges on a clean steel box are like putting scaffolding on a finished building — functional but ugly. Let's hide the mechanism without hiding the performance. I've designed internal hinge solutions for sheet metal enclosures before, and the key constraint isn't the mechanism — it's keeping it within your existing laser-cut-bend-weld process so costs don't creep. A concealed hinge that requires CNC milling defeats the purpose. Here's my approach: I'll evaluate your current door geometry and swing angles, then propose at least one practical internal solution — likely a combination of concealed cup hinges with integrated soft-close (off-the-shelf, proven for 5kg+ doors) or a fabricated pivot with torsion spring return if that's more economical for your process. Either way, all hardware invisible when doors are shut, self-closing through full swing. You'll get dimensioned CAD drawings with material callouts and mounting details your fabricator can work from directly. Off-the-shelf components listed with part numbers and supplier links. Plus a quick strength and cycle-life check confirming reliable operation in steel construction. Send me your current dimensions, door photos, and existing hinge specs — I'll have a concept back to you fast.
$140 USD dalam 7 hari
5.9
5.9

I am an experienced engineer specializing in ANSYS simulations, offering advanced computational modeling and analysis services to support design validation, optimization, and failure prevention. Using ANSYS Workbench, Mechanical, and Fluent, I can deliver accurate results through structural, thermal, and fluid flow studies, vibration analysis, and failure prediction. Specialized in; 1) 3D model setup and meshing in ANSYS 2) Static structural and thermal analysis 3) CFD simulation for fluid flow and heat transfer 4) Modal and harmonic vibration analysis 5) Fatigue and failure evaluation 6) Optimization and design improvement recommendations 7) Comprehensive technical report with results and conclusions
$140 USD dalam 3 hari
5.9
5.9

As someone extremely experienced in the world of architectural and engineering design, I'm confident I can deliver on your requirements for this internal hinge redesign while keeping costs reasonable. My firm, N Architect Studio is no stranger to finding creative and effective solutions to complex design problems. I've worked on multiple projects that have involved the redistribution or reconfiguration of pre-existing functions without sacrificing performance. In this particular project, I will carefully analyze the current setup and study the door's geometry to propose a well-conceptualized solution that involves concealed hardware, ensuring an elegant aesthetic for your steel storage box. Combining my skills in 3D CAD and AutoCAD with my knowledge of your fabrication processes, I will provide detailed, easily understandable CAD drawings for your fabricator. To make the implementation process as smooth as possible, I will also provide part specifications and supplier links for any off-the-shelf components we may need. Additionally, as part of our services, we aim to provide top-tier support from ideation to completion. My team and I are committed to ensuring that our work meets or exceeds industry standards while being easily understood by the fabricator. With our expertise in structural design and compliance with local regulations in countries including the USA, UK, Canada, and Australia - you're guaranteed quality work that+.
$150 USD dalam 3 hari
5.6
5.6

Hi I can develop internal hinge concepts with CAD drawings and component recommendations. I am an experienced CAD/CAM designer specializing in CATIA, SolidWorks, and AutoCAD, with over 10 years of professional freelance and teaching experience. I excel at transforming 2D plans into precise, detailed 3D models, creating accurate assemblies, parts, and visualizations ready for manufacturing or prototyping. With my expertise in Part Design, Generative Shape Design (GSD), Drafting, and Assembly Design, I deliver high-quality, production-ready models in STL, STEP, OBJ, or FBX formats. I am detail-oriented, efficient, and committed to exceeding client expectations. Best regards, Mounir
$30 USD dalam 2 hari
5.8
5.8

Hello, I’ve Carefully Reviewed your Project "I have a steel storage box fitted with two lightweight, self-closing doors—one on the front and one " and can Deliver Professional, High-Quality results that match your Exact Requirements. My Expertise Covers 2D & 3D Graphics, Animations, Illustrations, Caricatures, and CAD drafting, Ensuring both Creative and Technical Accuracy. You will receive: * Clean, professional output * All required file formats * Reliable communication and on-time delivery Portfolio: https://www.freelancer.com/u/Avatarist I’m ready to begin immediately and would love to Discuss the details with you. Kind regards, Avatarist
$30 USD dalam 1 hari
5.1
5.1

As a seasoned 3D Modeler, my primary goal is to bring your vision to life with precision and excellence. Having worked extensively in the field for over 5 years, I have the expertise and special skills to tackle complex design challenges like the redesign of your storage box's self-closing hinge system. Proficient in Blender, Zbrush and most especially Solidworks- highly suitable for your project’s need – rest assured that my CAD drafts will be accurate, informative and PRINT READY. I understand the importance of thorough planning and efficiency when it comes to retrofitting existing designs such as yours. My in-depth knowledge of 3D models optimization for printing and delivering print quality and structural integrity gives me a unique advantage. I won't just provide you with sketches or CAD drawings, but documentation that will be crystal clear, concise and actionable – ideal for efficient prototyping without needing further clarification. Collaboration is significant in successful projects, thus I look forward to closely working with you to fully grasp your needs, preferences and ensure seamless execution of your design visions at no significant cost addition to your current sheet-metal process. By combining my skills and experience with your detailed brief, we'll create a seamless, cost-effective and aesthetically pleasing internal hinges design that ensures smooth self-closure through the full swing angle while remaining hidden - precisely what you need!
$45 USD dalam 7 hari
4.4
4.4

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: 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.
$140 USD dalam 7 hari
4.8
4.8

Drawing on my extensive 3D design and product development experience, I am confident I can provide an elegant and functional solution to your internal self-closing hinge redesign. My ability to quickly grasp complex project requirements and translate them into practical CAD drawings makes me a perfect fit for the task at hand. I understand your need to maintain the automatic return action while incorporating an aesthetically pleasing design without incurring significant extra costs and disruptions to your current sheet-metal process.
$37 USD dalam 1 hari
3.7
3.7

Looking to upgrade your steel storage box with internal hinges for a sleek finish? I understand the need for seamless automatic operation without compromising aesthetics. With 5 years of experience, I've tackled similar projects successfully. I'll provide a practical hinge concept ensuring smooth self-closing and hidden hardware, matching your criteria perfectly. Let's discuss how my expertise can elevate your current setup. I’d love to chat about your project! Worst case, you get free advice that can guide your project. Josh Kotzee Regards
$150 USD dalam 7 hari
3.3
3.3

Hi there,Good morning I am Talha. I can work with your project skills 3D Drafting, 3D CAD, AutoCAD, Mechanical Engineering, 3D Modelling, Solidworks, Engineering Drawing, CAD/CAM, Product Design and 3D DesignI am pleased to present my proposal, highlighting our extensive experience and proven track record in delivering exceptional results. Our portfolio of success will showcase past projects that demonstrate our ability to meet and exceed client expectations. Glowing testimonials from satisfied clients will attest to our professionalism, dedication, and the quality of our work. Please note that the initial bid is an estimate, and the final quote will be provided after a thorough discussion of the project requirements or upon reviewing any detailed documentation you can share. Could you please share any available detailed documentation? I'm also open to further discussions to explore specific aspects of the project. Thanks Regards. Talha Ramzan
$30 USD dalam 14 hari
2.9
2.9

Arrass, Saudi Arabia
Kaedah pembayaran disahkan
Ahli sejak Mei 24, 2025
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₹1500-12500 INR
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$30-250 USD