Difference between revisions of "Frame Designs"

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==Summary==
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Scale Designs
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If you use solid bottom boards, consider building a wooden telescoping box to house the scale.  It is cheap, easy, quick and it doesn't void the warranty on the scale.
 
  
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If you use screened bottom boards, a frame can be built to hold the load cells that will allow the debris to fall through.
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Load cell mounting: Frame, rails, mounting plate
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The load cells can be removed from the scale and mounted in the frame.  This voids the warranty. Or, new load cells purchased and a scale built from scratch using the CS5550, AD7193, or HX711
 
  
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If you use topbar hives ...
 
  
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The goal is a low cost frame that can be built from readily available materials by students using tools found in a home shop. This has not yet been achieved.
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==Designs==
  
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Five frames have been designed, each with advantages and disadvantages:
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Many interesting and innovative designs have been suggested, built and tested.
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Each have advantages and disadvantages:
  
 
#[[Frame A| Punched and bent]]
 
#[[Frame A| Punched and bent]]
 
#[[Frame B| Welded Steel Rectangular Tubing]]
 
#[[Frame B| Welded Steel Rectangular Tubing]]
 
#[[Frame C| Progressive die stamped and welded]]
 
#[[Frame C| Progressive die stamped and welded]]
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#[[Frame D| Unistrut/SuperStrut]]
 
 
#[[Frame E| 3D printed corner brackets/metal tubing]]
 
#[[Frame E| 3D printed corner brackets/metal tubing]]
 
#[[Frameless Scale| Frameless (2 rails) using strut]]
 
#[[Frameless Scale| Frameless (2 rails) using strut]]
 
#[[Frame: Octanorm|Octanorm aluminum extrusion with torx cam locks]]
 
#[[Frame: Octanorm|Octanorm aluminum extrusion with torx cam locks]]
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#[[Frame: Vacuum Forming| Plastic/Aluminum Hybrid Frame]]
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#[[Frame: Vacuum Formed Frame: A Plastic/Aluminum Hybrid| Vacuum Forming: A Plastic/Aluminum Hybrid Frame]]
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#[[Frame: F| Ultimate Bottom Board A Hybrid Utilizing A Manufactured Frame with Aluminum Frame]]
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#[[Frame: Ultimate Bottom Board/Aluminum Hybrid| Ultimate Bottom Board: Utilizing a Manufactured Frame with Aluminum Undercarrage]]
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#[[Frame: G| Thrifty-Bee Scale A Low-Cost All Aluminum Frame]]
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#[[Frame: The Thrifty-Bee Scale: A low-cost All Aluminum Scale| HawaUbee Scale Design: A Low-Cost All Aluminum Scale]]
  
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==Background==
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<gallery mode="Packed" widths=250px>
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File:London frame1.jpg|link=Frame C|[[Frame C|Progressive die stamped and welded]]
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File:Chesick4.jpg|link=Frameless Scale|[[Frameless Scale| Frameless (2 rails) using strut]]
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File:20150224 214129.jpg|link=Frame: Octanorm|[[Frame: Octanorm|Octanorm aluminum extrusion with torx cam locks]]
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File:VacuumFormFinish1.JPG|link=Frame: Vacuum Formed Frame: A Plastic/Aluminum Hybrid|[[Frame: Vacuum Formed Frame: A Plastic/Aluminum Hybrid| Vacuum Forming: A Plastic/Aluminum Hybrid Frame]]
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File:UB17.jpg|link=Frame:_Ultimate_Bottom_Board/Aluminum_Hybrid|[[Frame:_Ultimate_Bottom_Board/Aluminum_Hybrid|Ultimate Bottom Board/Aluminum Hybrid]]
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File:HawaUbeeScale7.JPG|link=Frame:_The_Thrifty-Bee_Scale:_A_low-cost_All_Aluminum_Scale|[[Frame:_The_Thrifty-Bee_Scale:_A_low-cost_All_Aluminum_Scale|HawaUbee Scale Design: A Low-Cost All Aluminum Scale]]
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</gallery>
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==Goals==
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*durable (won't rust, rot, or  become brittle)
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*doesn't compromise accuracy
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*low cost
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*light weight
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*overload limit
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*protect load cells from uneven heating
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*enclose electronics and conceal or protect wires.
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*works with screened bottom boards
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*works with 8 or 10 frame supers
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Probably two different designs:
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#A low cost load cell mounting system for 1, 2 or 4 load cells for a mass produced consumer product.
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#A load cell mounting system that can be built from readily available materials by students using tools found in a home shop.
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#A high performance scale for serious research.

Latest revision as of 02:50, 29 January 2018

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

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.
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