Link to spread sheet for the cost calculation

Link report
Link spreadsheet

Consult 2/05

Medium production: how to finish the edges?
- Round/tubular edge: nope
- Extra edge like it is now:  Can be smaller, but is possible
- Manual deburring: nope
- Add-on: pvc profile like you have on saw to cover the teeth
Search for a plastic component
Site where we can find maybe some plugs to put in the holes http://www.essentracomponents.com

Mass prod:
- double folded handle: ok
- ABS ok? (tough, wear resistant) --> CES!!!!
- we have 3 mass produced pieces that each can be discussed 

CAD drawings 2D
tollerances important? general tollerance in title, specific tollerances in the drawing

Do we need to make a intructable on the site itself or just that kind of manual in the report? Just in the report

Anti-slip coating medium: SuperGrip, regular aerosol can, powder coating. You can search for the normal price if you buy them as DIY'er and use that price in the report. But because you work in excel, you can take account with a discount and calculate easely the material cost again. Maybe we can look what's the content of the powder coating and search for the same material, but than in spray pistols.

Prices:
mass production prices: protomold --> slides! the site gives you a first idea of the prices for injection molds
prijs DIY: in excel! material, houres that machine is used, first a general estimation and than more in detail. Question every aspect and find the cheapest solution by using excel.
man-houres: +/- how long you work on the the montage of the product if you have the intructables. In the excel, you will put a price/hour. If you make it, it can be 1€, if a professional does it, it can be 50€, but this is easely changed in the excel. It is also imporant to make the instructables efficiënt so the man-hours can be reduced.

Test MEDIUM production metal clips

Conclusion; with some small changes, this principle can work. The elastic can be attached tightly on the metal clips from the sheetmetal

DIY context

The panel is making in a plate of ABS of 5mm of thickness, which is cutting by the laser cutter, in the same way as the beams that reinforced the panel and th 

Consult 25/04 3 concepts

DIY
- Thickness: the same everywhere
- Snap connection for the ribs
- Nest well!!!
- Optional ribs in the middle
- Rethink about the handle: hard, but flexible (maybe flexible silicon tube)
shops: Euroshop, Gamma, Brico, Action


MEDIUM
- The dimple is not possible --> better just a hole with a plastic insert: 12mm eyelets
- The attaching lips need to be tested: check
- Coating: powder coating or two component coating
http://www.protechantislipcoatings.com/?gclid=CjwKEAjw85DIBRCy2aT0hPmS1jkSJAC1m9UvrKCRWOfqPULHc9IH3s-nmDHeoBKbFqIkLxYLK96J6hoCc3rw_wcB
Better: https://www.verfwebwinkel.be/rust-oleum-supergrip-7100ns-antislip-coating-5-lit.html?gclid=CjwKEAjwutXIBRDV7-SDvdiNsUoSJACIlTqlhbYHN5D8x50roAaHUjWe2DuwQdFPbTFtWIqEhQyRthoCXq_w_wcB
- Thing aboat the finish of the rubber bands: we would add  package with one long rubber band. Benefits: the user can decide in the beginning how long and how many of a specific lenght he needs. This gives him maximum freedom for the decision. Also, it's sheaper. We don't think the ends will come out because there's a tight fit. For the finishing of the cutted rubber bands, the user kan burn it easily.



MASS
- Material: rethink the material, is ABS the best solution?
- Material: choose one material for everything so it can be made and recycled easily
- The handel can be made way easier, so not the injection molded one, but maybe an extrusion of a rope with a flexible tube around it

Concept MASS production CAD

The panel is injection molded ABS with ribs on one side, to make the panel stronger and protect the spanners.

The spanners are also injection molded parts out of ABS.

Handle: cilinder that can be folded open en where you can put one or two ropes in

On the rope, we attach a s-hook:

To attach the panels on each other, we will make elastics like this

Prototypes of different ways to use the panels