Mechanical Design Jobs

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Fixed-Price - Expert ($$$) - Est. Budget: $85 - Posted
Subject: Mechanical Design (Mixing Tank) Word Count: NA References: Harvard Format: Report + design Details: You are to design the above mixing tank in the pre-treatment phase of the production of PHB. Recommended software to use is UNISIM. Notes: · The criteria for the report should be well covered · All formulas must be referenced and each term briefly explained · Calculations should be in SI units · Sequencing is logical and free-flowing (use the report template provided if necessary) · Times New Roman with size 12 font writing · Harvard style referencing (with in-site referencing)
Skills: Mechanical Design Academic Writing
Hourly - Intermediate ($$) - Est. Time: More than 6 months, Less than 10 hrs/week - Posted
Hello , We are looking for some engineer or product designer who could help us improve a product as a new project we are exploring. The idea is actually about finding a way to power the product with the usage of battery cells (AA/AAA...) The job in question is at his gestation phase but we are already looking for people in this field who would feel comfortable to explore the question. We believe it should be a challenging project as a whole. Thanks.
Skills: Mechanical Design Engineering drawing Product Design
Fixed-Price - Intermediate ($$) - Est. Budget: $250 - Posted
Overview/Executive Summary: Re-design a small hook to be used atop a partition wall to suspend a hanging chair hammock (using a total of 4 hooks).    Deliverables: We require a hook design with CAD file drawings (or similar) that can suspend a hanging chair hammock between two partition walls such as a cubicle or toilet stall. The hanging chair hammock has 4 attachment points, therefore, 4 hooks are to be used each with the same design to keep manufacturing costs down. The hook must be able to hold securely in place despite small variances in wall widths (up to 0.5 inches) and not slide along the top of wall when weight is applied (the load will pull the hooks at approx. 45 degree angles – see picture). The hook must also be designed such that it will not scratch or damage the wall. As the chair is portable, the hook design should be small, lightweight and easy to manufacture.  Technical Considerations:  - Fit partition walls between 1/2" inch up to 3/4" inch thick - Four (4) hooks should be able to hold up to 220lbs - Simple and inexpensive to manufacture ex. laser cut aluminum - Small, compact and lightweight - Holds securely in place even with 1/4" inch variance in wall widths  - Padded with rubber and/or silicon to prevent damage to the wall ** Our current hook design per attached diagram is good but doesn’t hold securely in place when weight is applied (the hooks slide towards one another and torque sideways due to load pull that is angled down at 45 degrees). Your design does NOT need to be the same concept as current design. For example, an alternative design could be one that combines a hook and rubber suction cup to increase adhesion to the wall when under load. However, an alternative design that combines the S hook with an angled bracket might also work – perhaps with a larger surface area for S hook contact with the partition wall. ** We can provide you with Softworks file of old design if useful.
Skills: Mechanical Design Product Design
Fixed-Price - Intermediate ($$) - Est. Budget: $50 - Posted
We are looking for an experienced commercial kitchen designer to redraw our kitchen area and make some slight improvements/modifications to what we have. It is for a small fast restaurant and the kitchen area is small. We have a floor plan already designed and the kitchen is laid out. We want you to examine the way it is currently set up and help us value engineer it to create more efficiency in any areas possible. We need you to make suggestions based on your expertise on ways to improve the lay out and help us modify our equipment list. We need you to include and suggest any stainless steel cabinetry we will need with the correct dimensions based on the floorplan. So to summarize, we are looking a commercial kitchen designer to redraw what we have, review the layout, make suggestions for us to improve the layout, suggest ways to make the space planning and equipment layout and work flow more efficient. We need you to review our equipment list for accuracy, update it and to make sure we are including all necessary information and dimensions. Please contact me with any questions. THANKS!
Skills: Mechanical Design Architecture AutoCAD
Hourly - Expert ($$$) - Est. Time: Less than 1 month, Less than 10 hrs/week - Posted
Looking for someone in the Orange or South L.A. California area that I can consult and engineer a small retracting belt system. Will need cad layout designs for prototyping a model for potential customers. Looking for someone with expertise in small retracting system along the line of a pet leash. Need experience in designing small mechanical mechanisms.
Skills: Mechanical Design AutoCAD
Hourly - Intermediate ($$) - Est. Time: Less than 1 week, 10-30 hrs/week - Posted
I am looking for an experienced product designer to create CAD plans (or similar) for a home/garage-based physical product, based on some rough sketches I have, and some initial discussions with me. I'd want these design plans to be usable for patent applications and for sending to potential manufacturers to evaluate production alternatives. I would expect the designer to take my concepts and refine them into designs for a production-ready prototype, creating specifics from the abstract. I'd expect a few iterations of the designs, for example, the following steps: - Apply and share your portfolio, I select you, we agree to your hourly rate, and you are bound by the confidentiality implied in Upwork's terms - I share scans of my concept sketches, and we arrange a phone call to discuss the specifics of what I have in mind - You provide initial draft designs, and we discuss on another phone call where I provide you any feedback and requested changes - You refine the designs and resend. I would imagine this only taking 2-3 iterations A near-essential requirement is for you to have experience creating design plans in formats that will be familiar to contract manufacturers, so I can have a prototype created and evaluate production costs. When you apply, please share your portfolio (can be partial/small), and describe any experience you have working on similar projects/products. I will look to you for expertise on not only the design/plans, but on materials selection, production ease, functionality, and more.
Skills: Mechanical Design Computer-Aided Design Engineering drawing Industrial design
Fixed-Price - Expert ($$$) - Est. Budget: $200 - Posted
BACKGROUND: Please refer provided snapshots. This project comprise of two exchanger designs which physically appear as three bundles stacked together: - Exchanger 1A is an NEN exchanger mounted at the bottom. - Exchanger 2C/D are NEN exchanger of which the shell and tube sides are connected in series and mounted above Exchanger 1A. Please refer the datasheet. Both designs are very similar (i.e. same overall length and diameter as well as the tube size, quantity and layout) and to be constructed out of the same material. Note however: - Design pressure for the tube side are different between the two designs. If it is considered economical (i.e. only negligible thickness difference) ideally we want to make the designs identical. - There will be additional connections (vents / drains / instruments) which are currently being finalised of which quantity, size, connection type (flanged or threaded) and location may vary between bundles. - Shell side of all three bundles are interconnected so the bottom shell side to take into account static head from overall stacked exchanger. - Tube side only interconnected for the two upper exchanger. - Nozzle load to be considered (WRC analysis required) for inlet and outlet nozzles per allowable loads on SP-DUSUP-42-01. - Calculation to consider seismic design based on operating condition with the three exchanger stacked together (refer snapshot for combined COG and solidworks empty weight basis). - Wind design also to consider the three exchanger stacked together. - Transport design also to consider the three exchanger stacked together. - Lifting lug location will vary between the exchanger but the lug design will be identical. Design to be based on lifting all three exchanger together using the top exchanger lifting lugs. Please quote your best price to: - Review both design drawings against datasheets, provided specifications and above assumptions. - Update the drawings design data notes and table based on datasheet and specification (excel for this section will be provided). - Perform mechanical design using PV elite. PV Elite native file to be provided on completion. - Submit mechanical calculation reports for both designs in word document including PV Elite output as supporting document. Attachments: - 2065 Exchanger combined snapshot - 2065 10-A-102-E1A - PRELIMINARY DRAWING - 2065KM101 Rev A - 10-A-102-E 1 A - datasheet - 2065KM102 Rev A - 10-A-102-E 2 C & D - datasheet - SP-DUSUP-42-01_Rev-02 Vessel Design Basis - SP-DUSUP-42-02_Rev-02 Pressure Vessels-General
Skills: Mechanical Design Engineering drawing Mechanical Engineering