Dual-Durometer Respirator Redesign

₹12500-37500 INR

Closed

Posted about 1 month ago

₹12500-37500 INR

Paid on delivery

I already have Rev-B drawings and core engineering specs for a reusable silicone respirator, but the first prototype exposed a durometer mismatch that lets air leak. I need the facepiece geometry and seal architecture re-worked so the mask seals perfectly every time a user talks, turns, or sweats. Here is what matters most: • The overriding goal is to enhance sealing performance. • Comfort tweaks are required on the seal lip and the nose bridge—both will shift to a softer Shore grade while the main body stays firmer. • The construction remains dual-durometer LSR; please specify exact Shore values, parting lines, and over-mold strategy. Cartridge interface: The 6 × 5 cm four-layer filter stack must snap in and out without tools. I’m after a custom snap-fit / bayonet hybrid that survives at least 500 replacement cycles, maintains an airtight seat, and can be molded without heroic undercuts. Deliverables (all native SolidWorks 2022 + neutral STEP): 1. Updated 3-D CAD of the facepiece, seal regions, and cartridge interface. 2. Drawings with full GD&T and material call-outs ready for a silicone tooling vendor. 3. Brief FEA or equivalent rationale showing uniform compression on the new seal. 4. Assembly instructions or an exploded view so a prototype house can build the next sample without ambiguity. If you have deep experience in LSR over-molding, snap-fit design, and respirator or medical wearables, let’s talk—I’m ready to move to prototype round two as soon as the files pass review.

Mechanical Engineering

Product Design

Project ID: 40504305

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10 proposals

Remote project

Active 22 secs ago

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10 freelancers are bidding on average ₹19,625 INR for this job

@azraazeen9

Hello, i am ready exited to work you as i read your job description I am also an expert in making 2d,3d modelling and animating characters 2dautocad drawing ,elevation, solid work, Revit ,FBX ,Unity, Render also interior and exterior design. I have experience in field of more than 5+ years. I can Create Intro and Explainer Videos. for products and companies. Kindly check My Portfolio as well. Hope for your very soon reply. Thank you

₹25,000 INR in 2 days

4.9

(345 reviews)

7.9

@sakshis576

With my extensive experience in 3D design and proficiency in using software such as SolidWorks 2022 to create high-quality designs, I'm confident I could be a valuable asset to your project. Precisely with the challenging dual-durometer LSR configuration you require where my past projects had similarities-solving technical design challenges ensuring prototype effectiveness. My understanding of the impact of different Shore values and how they affect internal characteristics would ensure the redesign of the facepiece, seal regions, and cartridge interface meets the sealing performance and comfort objectives you've outlined. Additionally, I have a particular strength in working with complex mechanisms involved in over-molding and snap-fit designs which are crucial for this project. My expertise extends to understanding-parting lines and molding strategies for optimal results. Best regards, Sakshi masih

₹13,000 INR in 1 day

4.7

(68 reviews)

6.3

@svmjha

Hi, I’m a Mechanical Design Engineer with 7+ years of experience in product development, precision mechanical design, and manufacturing-oriented CAD development. I understand that the primary objective of this project is to improve sealing performance while maintaining comfort, manufacturability, and long-term durability. I can assist in redesigning the face seal geometry, optimizing the dual-durometer LSR architecture, and developing a robust cartridge retention system suitable for high-cycle use. I can provide: 1. Facepiece & Seal Geometry Optimization for Improved Leak Performance 2. Dual-Durometer LSR Design with Recommended Shore Hardness & Overmolding Strategy 3. Snap-Fit / Bayonet Cartridge Interface Design for High Cycle Durability 4. SolidWorks 2022 Native Files + STEP Deliverables 5. Manufacturing Drawings with GD&T & Material Specifications 6. Compression Analysis / FEA to Validate Seal Performance 7. Exploded Views & Prototype Assembly Documentation I primarily work in SolidWorks and focus on creating practical, manufacturable designs intended for tooling, prototyping, and production rather than only CAD modeling. Please share the Rev-B drawings and engineering specifications so I can review the existing design and discuss the most effective path for prototype round two. Regards, Shivam Jha

₹20,000 INR in 7 days

4.6

(32 reviews)

6.0

@SahilRao1247

As a freelancer with diverse skills in 3D modeling and design, I believe I can add tremendous value to your project. My extensive experience of 7 years has given me the knowledge and proficiency necessary for taking on complex, high-stakes projects such as yours. In particular, my expertise in medical wearables and snap-fit design could prove pivotal in redesigning the dual-durometer respirator. Drawing from my previous projects involving LSR over-molding and intricate designs, I am well-acquainted with the technical boundaries and considerations that come with these aspects. Therefore, I am confident in delivering the updated 3-D CAD with full GD&T and material call-outs you require for your silicone tooling vendor. Additionally, to display uniform compression on your new seal, I can provide a brief FEA or equivalent rationale through SolidWorks. Apart from this niche technical knowledge, my team at *Removed by Freelancer.com* has established a reputation for innovative thinking and exceptional quality workmanship. These traits will be invaluable when tackling the unique challenges presented in your respiratory redesign project. If you're ready to elevate your prototype to the next level of sealing efficiency, let's connect!

₹12,500 INR in 1 day

4.6

(26 reviews)

4.6

@selvi2kr

Hello sir, I am selvi . I completed Production Engineering . I worked as Design Engineer in pump and gear manufacturing . I am working as Product Design and automotive design . I have experience in Solidworks and AutoCAD . I wish to work on Dual-Durometer Respirator Redesign project . I will deliver Updated 3-D CAD files facepiece, seal regions and cartridge interface,Drawings,FEAand Assembly instructions or an exploded view. Please go thro my profile and let me know . Thanks, Selvi K

₹15,000 INR in 15 days

2.4

(2 reviews)

1.3

@anjalio22

give me the opportunity to work on your Dual-Durometer Respirator Redesign project. I am committed to delivering high-quality work with accuracy, professionalism, and attention to detail. With experience in product design, mechanical engineering, 3D modeling, and manufacturing-focused CAD development, I can help transform your concept into a functional, ergonomic, and production-ready design. My expertise includes: Dual-material and ergonomic product design Respirator and wearable device development 3D CAD modeling and surface design Design optimization for manufacturing Prototyping and design validation High-quality 3D rendering and visualization Engineering drawings and technical documentation Software I use: AutoCAD, SolidWorks, Autodesk Inventor, Fusion 360, Blender, Autodesk Maya, 3ds Max, SketchUp, Revit, Unreal Engine, V-Ray, Substance Painter, ZBrush, Adobe Photoshop, Canva, CAD/CAM tools, and AI-assisted design workflows. I look forward to discussing your requirements and delivering a reliable, innovative, and manufacturable respirator design that meets your project go

₹25,000 INR in 7 days

0.0

(0 reviews)

0.0

@elrico01

Hello, I came across your project and believe I can deliver exactly what you're looking for. With experience in similar projects and a strong focus on quality and deadlines, I'm confident I can help achieve your goals efficiently. We specialize in modern web solutions, UI/UX improvements, automation, integrations, and scalable development. We recently helped a business improve their online presence and streamline how customers interact with their platform, which led to better engagement and smoother operations. Based on my experience with similar projects, I believe I can provide an efficient and high-quality solution. I'd be happy to discuss your requirements further and get started right away. I look forward to hearing from you. Regards, Elrico

₹18,750 INR in 7 days

0.0

(0 reviews)

0.0

@shivamk2579

I’m Shivam, a seasoned Mechanical Engineer with an extensive background in 3D design and CAE tools like SolidWorks and ANSYS. The range of projects I've worked on make me highly adaptable and experienced to tackle and solve the complexities of your Dual-Durometer Respirator redesign. My knowledge of MOM, SOM, TOM, MDD, Thermodynamics, Heat Transfer, Fluid Dynamics gives me a decisive edge in understanding the nuances of sealing performance enhancement and comfort tweaks you seek. Having worked on designing critical wearables like an ATV, Agriculture Machines, HPVC with profound undertakings such as transmission design, structure simulation, I’m no stranger to working with snap-fit design and molding challenges. Acquaintance with your project requisites resonates perfectly with my skillset that involves designing large complex assemblies including my expertise in LSR over-molding. Being proficient at FEA or equivalent rationale, I can demonstrate through simulations how your redesigned respirator will exhibit uniform compression on the new seal. Additionally, my serviced offering expands to providing shop drawings and assembly instructions. To prevent such eventualities and produce seamless deliverables within deadline make me the best fit for this job. Let’s connect and discuss further on how we can make your Dual-Durometer Respirator Project more efficient and effective!

₹17,000 INR in 7 days