Elephant Collar Payload (primary battery)

Step-by-step production process.

Electronics

1. primary testing

2. add GPS antenna

3. GPS antenna tuning (1590 MHz in air)

4. add EMI shield (temporarily attached in one corner)

5. battery 6-pack/board assembly (6x Saft-17500)

6. add connectors (both boards; NOTE: the connectors should be soldered onto the board before the batteries)

7. remove all components from the top part of the board including antenova

8. add zero-ohm resistor next to antenova

9. add connector (RF coaxial 50 ohm / U.FL; position: con2)

10. LoRa antenna tuning

11. break off the charger

12. assembly

13. provisioning

Mechanics

Enclosure

1. plastic enclosure production

2. washing of the enclosure

3. aluminium lid production

4. anodisation of the lid

5. indentation of the screw holes on the attachment plates

6. polishing the attachment plates

7. assembly of the hardware - enclosure + lid (screws: 8x M4x12 + 8x M4x16 rust-free /tracker)

8. engraving of serial numbers (laser parameters: power 30%, speed 250 mm/s)

Engraving

274KB

serial - elephant collar payload.rld

Open

Collar

1. TPU leather flat belt production (BioThane Granite 280 TPU Coated Webbing, colour BL281)

2. width: 101 mm

3. length: 4.0 m

4. logo engraving (cutting: power 100%, speed 10 mm/s, scanning: power 40%, speed 250 mm/s)

261KB

serial - elephant collar1.rld

Open

225KB

serial - elephant collar2.rld

Open

Assembly

step 6: battery 6-pack/board assembly (6x Saft-17500)

step 7: add connectors (battery pack)

step 7: add connectors (primary board)

step 10 + 11: remove antennova, add con2; rf coaxial 50 ohm

indentation and polishing of the attachment plate

plastic enclosure with logo and serial number engraving

anodized enclosure lid