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I'm seeking a specialized piece of machinery to create waves in a waterbed mattress. The mechanism should ideally be a crank and slider, converting circular motion to an up-and-down motion, repeatedly pushing down on the mattress. It needs to run for up to 9 hours. Key Requirements: - Electric power source - Whisper-quiet operation (20-30 dB maximum) - Cord length of 270 inches with an in-line on-off switch - A combination of metal and plastic materials Ideal Skills and Experience: - Mechanical engineering expertise - Experience with quiet electric motors - Proficiency in designing with metal and plastic materials - Ability to create custom, reliable machinery Please provide a detailed proposal, including relevant experience and estimated timelines.
Project ID: 40685415
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52 freelancers are bidding on average $381 USD for this job

As a mechanical engineer with an extensive background in machinery design, I am equipped with the know-how to construct the perfect device for your project. My broad skill set ranges from manufacturing to architectural visualization, making me an ideal fit for this task. Not only do I have years of experience working with AutoCAD DWG/DXF, SolidWorks, and FreeCAD, but I also excel in incorporating various materials - including metal and plastic - into my designs. One of my standout specialties is creating whisper-quiet yet powerful mechanisms using quiet electric motors, an invaluable skill that aligns perfectly with your project's desire for minimal noise emissions (<30 dB). Moreover, as part of SYNCCAD - a company renowned for its dependable CAD services - I can ensure that your corded machinery will be equipped with a lengthy 270-inch long cord containing in-line on-off switches to guarantee convenience during operation. Understanding the importance of quality and timely service, I am committed to providing you with nothing but the best. Throughout this collaboration, I vow to demonstrate our motto of maintaining a structured brief, milestone delivery and clear revision rounds, all while maintaining dedicated communication. Rest assured; partnering with me equals choosing reliable hands backed by numerous satisfied clients who have experienced 100% satisfaction on-budget and on-time. I look forward to joining you on this quiet wave project!
$500 USD in 7 days
7.0
7.0

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).
$250 USD in 2 days
6.8
6.8

Hello, We can design a reliable electric crank-and-slider mechanism that converts rotary motor motion into controlled vertical movement for repeatedly creating waves in a waterbed mattress. We’ll focus on quiet operation, long-duration reliability for up to 9 hours, and a practical combination of metal and plastic components. The design will incorporate the 270-inch power cord with an in-line switch, suitable motor selection, vibration isolation, and a compact user-friendly structure. We can develop detailed 3D CAD, manufacturing drawings, and ensure the mechanism is engineered for smooth, dependable operation. Thanks
$250 USD in 5 days
6.9
6.9

Hi, I reviewed your project requirements and I can help you develop a practical, production-ready solution—not just a visually complete CAD model. I’m a mechanical engineer with 13+ years of experience in product design, mechanical systems, CAD development, engineering analysis, and multidisciplinary coordination. Depending on the project, I can support concept development, detailed 3D modelling, assemblies, manufacturing drawings, BOMs, technical calculations, simulations, and fabrication-ready files. My focus is always on clear drawings, realistic detailing, manufacturability, and fast communication throughout the project. I work mainly with SolidWorks, AutoCAD, ANSYS, Revit, Fusion 360, and related engineering tools. You can review similar design and engineering work in my profile. Once I see the available drawings, dimensions, and expected deliverables, I can suggest the most efficient way to proceed. Best regards, Gökay Zaralı
$500 USD in 7 days
6.6
6.6

With my comprehensive suite of skills, experience, and proficiency in CAD programs such as SolidWorks and AutoCAD—I am the best fit for your project! My expertise in Mechanical Engineering and Manufacturing Design can deliver a bespoke solution to your waterbed machinery needs. Creating a quiet-operating device with specific materials combination is within my purview. I can utilize my knowledge of metal and plastic materials to design and manufacture a crank and slider mechanism that runs smoothly for up to 9 hours while producing minimal noise (20-30 dB maximum)—all powered by an electric source. And don't worry about reaching controls; I can enable an inline on-off switch with a cord length of 270 inches.
$266 USD in 1 day
6.3
6.3

With a strong background in Product Design and Prototyping, I'm confident that I can bring your vision to life for the creation of your quiet wave-making machinery. My expertise extends to mechanical engineering, which is essential for designing and developing the precise crank and slider mechanism you require. Moreover, my knowledge in working with both metal and plastic materials will come in handy to ensure your machinery is sturdy and efficient. One of the key aspects you mentioned for this project is the need for whisper-quiet operation, with a maximum decibel level of 20-30 dB. This is where my experience with quiet electric motors perfectly aligns with your requirement. I understand the importance of a well-designed mechanism in achieving this level of silence without compromising performance.
$260 USD in 1 day
6.2
6.2

Hello 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
$262 USD in 2 days
5.4
5.4

I am here to bring your product to life. I'm a mechanical engineer with 11 years of experience designing industrial product, furniture product, plastic product and machine, automatic system Experience type: 3D, 2D models, Render, Sheet Metals, Machines and Devices, Industrial Products, Plastic Molds, Plastic Parts Software program: Autodesk Inventor, Solidworks, Autocad , NX-Siemens I am always glad to cooperate, I guarantee quick lead-time, information of the project is always confidential . Your project will be developed with speed and high quality, as well as all the jobs already accomplished. Please send me a message
$500 USD in 7 days
5.8
5.8

Hello, I am Muhammad Javed, a Mechanical Engineer with more than 10 years of experience in mechanical product design, electromechanical mechanisms, and custom machinery development. I can design a compact, reliable mechanism that converts continuous motor rotation into the required repeated up-and-down motion using a crank-and-slider arrangement. I will focus particularly on achieving smooth, consistent movement while keeping vibration and mechanical noise as low as practical for your 20–30 dB target. The design will include the electric motor and suitable drive arrangement, crank/slider mechanism, guides, mounting structure, metal and plastic components, 270-inch power cord, and in-line ON/OFF switch. I will also consider continuous operation for up to 9 hours, motor loading, heat dissipation, component durability, safety, and ease of assembly. I can develop the complete 3D CAD model, detailed manufacturing drawings, material specifications, and assembly documentation. During development, I will optimize the mechanism for minimal backlash, friction, vibration, and unnecessary moving noise. The final design can be prepared for prototype fabrication and testing. My typical workflow is concept selection → mechanism calculations → 3D CAD design → component/detail drawings → design review and revisions. I can start immediately and expect approximately 7–10 days for the complete design package, depending on the required stroke, load, operating speed, and mattress interface.
$500 USD in 7 days
4.8
4.8

Hi there ! With over a decade of hands-on experience in mechanical and product design, I have acquired the exact expertise you need for creating your innovative piece of machinery. My specialty lays in taking a concept from its initial phase to creating a manufacturing ready design, focusing on everything from material selection to efficient functioning. Creating quiet, efficient machines is not new to me. In fact, it's one of my core strengths. I've successfully integrated whisper-quiet electric motors into numerous projects with similar requirements as yours. Checkout my portfolio! With respect to your project requirements like the specific duration of operation and noise level (20-30 dB), I am confident I can establish a reliable system that not only meets but exceeds those parameters. Given your interest in metal and plastic materials, I assure you that my expertise with Sheet Metal, CNC Machining, 3D Printing, Injection Molding, and Weldments would come in handy while designing your specialized machinery. I commit to achieving excellence within an estimated timeline which we can discuss further to cater to your specific needs. Let's collaborate and bring your idea to life! Thanks & regards Gaurav Sharma….
$250 USD in 1 day
3.4
3.4

Hi, I can design a reliable electric crank-and-slider mechanism that converts rotary motion into smooth, repeated vertical movement for the waterbed mattress. I have experience with mechanical design, motor-driven mechanisms, and metal/plastic components, and I can focus on achieving quiet operation, long 9-hour runtime, and the required 270-inch cord with an inline switch. I can provide the CAD design, component specifications, and a practical prototype-ready solution, with the initial design completed within 5–7 days.
$400 USD in 3 days
3.3
3.3

I have 5+ years of experience in mechanical engineering, product design, motor-driven mechanisms, and metal/plastic assemblies, and I have worked on similar electromechanical mechanisms requiring controlled linear motion. I understand you need a quiet crank-slider mechanism that converts rotary motor motion into repeated vertical movement to create waves in a waterbed mattress, with reliable operation for up to 9 hours. I can design the mechanism with appropriate bearings, crank, slider, motor mounting, housing, and vibration/noise reduction. Deliverables Complete mechanical concept and CAD design Crank-slider mechanism with required stroke Quiet motor and drive selection Metal/plastic component design Motor mounting and vibration isolation 3D CAD assembly and fabrication drawings BOM and manufacturing recommendations Design optimized for continuous 9-hour operation Why Choose Me I focus on reliable, manufacturable mechanical designs, considering load, speed, vibration, noise, thermal performance and component life from the beginning. Please provide the required cycles/minute, mattress dimensions/thickness, desired stroke and approximate pressing force so I can finalize the mechanism and timeline.
$270 USD in 4 days
3.5
3.5

Hi there, I can design a quiet, reliable crank-and-slider mechanism that converts electric motor rotation into smooth vertical movement for repeatedly compressing the waterbed mattress, with up to 9 hours of continuous operation. I can handle the mechanism, low-noise motor selection, metal/plastic components, vibration reduction, CAD model, and fabrication drawings while targeting the 20–30 dB requirement. I can provide the initial concept within 2–3 days. Please share the required stroke, force/load, and operating speed. Best regards, Nadarajan Kiruba
$300 USD in 3 days
3.0
3.0

Your project for quiet wave-creating machinery sounds innovative and exciting. I see the challenge in ensuring the mechanism runs smoothly for up to 9 hours while maintaining a whisper-quiet operation. If the device isn't silent, it could disrupt the intended relaxation experience, leading to user frustration. I’d start with a crank and slider design first, focusing on selecting the right quiet electric motor. The materials will be crucial, so using a blend of metal for durability and plastic for noise reduction will be key. Revisions would be part of the process, ensuring the final design meets your exact needs. I’ve designed custom machinery before, emphasizing reliability and user experience. This includes quiet motors and tailored materials, so I understand the balance needed here. Would you like to explore how we can get this sorted together? I’m happy to discuss this in a free consultation, even if you choose not to move forward with me.
$350 USD in 7 days
2.1
2.1

I am interested in working on your Quiet Wave-Creating Machinery project and can provide a practical, reliable solution focused on reducing unwanted noise and vibration while maintaining efficient machine performance. I understand that achieving a quiet operating environment requires careful attention to mechanical design, component selection, vibration control, and overall system stability. I will review the machinery design and operating requirements to identify the main sources of noise, vibration, and wave disturbances. Based on the findings, I can work on suitable improvements such as vibration isolation, optimized moving components, damping materials, enclosure solutions, and improved alignment or balancing where required. The system will be evaluated to ensure the modifications effectively reduce noise without negatively affecting functionality, durability, or performance. My priority is to deliver a well-engineered and dependable solution that meets your requirements for quiet operation. I will approach the project with attention to detail, clear communication, and a focus on practical implementation. I am ready to discuss your machinery specifications and develop an effective approach for creating a quieter, more stable, and efficient system.
$250 USD in 7 days
2.0
2.0

Hi, I can develop a clear and detailed design for quiet wave-creating machinery, focusing on practical geometry, smooth operation, structural integration, and ease of fabrication. I can work from your existing concepts, sketches, specifications, or reference drawings and develop the required CAD documentation with accurate dimensions, components, assemblies, and connection details. I’ll also keep noise reduction, mechanical efficiency, maintenance access, and overall system reliability in mind throughout the design. I can provide editable CAD files along with clean PDFs and supporting technical drawings as required. Best regards, Vipin
$250 USD in 1 day
0.0
0.0

Dear Employer, Thank you for sharing the details of your Quiet Wave-Creating Machinery project. I am excited about the opportunity to collaborate with you on developing a specialized device that produces gentle, rhythmic waves in a waterbed mattress with whisper-quiet operation. I fully understand the importance of achieving ultra-low noise levels (20-30 dB) for continuous use, and the need for a robust mechanism capable of reliable performance for up to 9 hours. Your preference for a crank-and-slider system to convert rotary motion into a gentle, vertical actuation is both practical and effective for this application. With over a decade of experience in mechanical engineering, product design, and prototyping, I have completed numerous projects involving custom machinery, precise motion control, and noise-sensitive environments. I am highly proficient in SolidWorks and CAD, and have worked extensively with both metal and plastic components to balance durability, performance, and cost-effectiveness. Additionally, I have hands-on expertise in integrating quiet, high-efficiency electric motors and designing long-lifespan drive systems. To address your requirements, I propose to: - Develop a detailed CAD model of the wave-generating mechanism, optimized for minimal noise and smooth operation. - Select materials and components (including a suitable low-decibel motor and transmission) to ensure quiet, reliable, and safe operation. - Design the unit to accommodate a 270-inch power cord with an in-line switch for your convenience. - Provide clear engineering drawings and, if desired, assist with prototyping and manufacturing guidance. I am committed to delivering a custom solution that meets your expectations for performance and noise level. I look forward to discussing your vision in more detail and bringing this innovative product to life. Best regards, Daniel
$500 USD in 10 days
0.0
0.0

The power source humming too loud is what breaks this. I will build the wave-creating machinery using a very low-noise electric motor, the kind used in medical devices so it meets your 20-30 dB requirement. The crank and slider mechanism converts circular motion to the up-and-down push on the waterbed mattress, and I will design it in SolidWorks for smooth operation. I pick metal for the crank and slider components for durability, and a high-density plastic for the housing and some quieter moving parts, also using CAD / SolidWorks for the product development. The main failure point for machinery running 9 hours is overheating and wear on the moving parts, so I will spec oversized bearings and thermal management so it does not fail. My track record is 100% on time, 100% on budget, 5.0 across 8 reviews. Can the waterbed mattress thickness be specified so I can set the stroke length for the slider? I will send the initial engineering drawing and a bill of materials once I have that.
$570 USD in 21 days
0.0
0.0

Hi, I can design and develop a reliable custom mechanism using a crank-and-slider system to convert motor rotation into smooth, repeated vertical motion. I have experience with mechanical design, CAD modeling, motor selection, and metal/plastic components, with a strong focus on quiet operation and long-duration reliability. I can provide a detailed 3D CAD model, component specifications, and manufacturing-ready drawings, while optimizing the system for the required 20–30 dB noise target and up to 9 hours of continuous operation. I’m ready to discuss the required stroke, force, speed, and mattress dimensions and get started. Best regards, Archi Engineer
$450 USD in 5 days
0.0
0.0

HI, With an extensive background in mechanical engineering and product design, I believe I have the necessary skills to create the machinery that you require for your waterbed mattress project. Moreover, my proficiency in using SolidWorks allows me to visualize and execute intricate designs to ensure a quiet operation within the desired decibel range. My knowledge of electrical systems will enable me to provide you with an efficient power source - an essential requirement for your project's 9-hour operational span. Additionally, my skills with metal and plastic materials mean I can create a balanced crank and slider mechanism that suits your needs. To prove my commitment to delivering only the best, I offer unmatched experience not just in crafting custom machines but also in ensuring they exceed performance expectations while remaining cost-effective. With my fast turnaround times and clear communication, you can rest assured that we'll be on task and in touch throughout your project's progress. So let's bring your "Quiet Wave-Creating Machinery" to life!
$500 USD in 2 days
0.0
0.0

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