Frame Designs

Scale Designs

Load cell mounting: Frame, rails, mounting plate

Designs

Many interesting and innovative designs have been suggested, built and tested. Each have advantages and disadvantages:

1. Punched and bent
2. Welded Steel Rectangular Tubing
3. Progressive die stamped and welded
4. 3D printed corner brackets/metal tubing
5. Frameless (2 rails) using strut
6. Octanorm aluminum extrusion with torx cam locks
7. Vacuum Forming: A Plastic/Aluminum Hybrid Frame
8. Ultimate Bottom Board: Utilizing a Manufactured Frame with Aluminum Undercarrage
9. HawaUbee Scale Design: A Low-Cost All Aluminum Scale

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  Progressive die stamped and welded

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  Frameless (2 rails) using strut

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  Octanorm aluminum extrusion with torx cam locks

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  Vacuum Forming: A Plastic/Aluminum Hybrid Frame

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  Frame:_Ultimate_Bottom_Board/Aluminum_Hybrid

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Goals

• durable (won't rust, rot, or become brittle)
• doesn't compromise accuracy
• low cost
• light weight
• overload limit
• protect load cells from uneven heating
• enclose electronics and conceal or protect wires.
• works with screened bottom boards
• works with 8 or 10 frame supers

Probably two different designs:

1. A low cost load cell mounting system for 1, 2 or 4 load cells for a mass produced consumer product.
2. A load cell mounting system that can be built from readily available materials by students using tools found in a home shop.
3. A high performance scale for serious research.