From 41df0bdd9b930c08abed5d9e65784657e9662bdd Mon Sep 17 00:00:00 2001 From: Tommy Poll Date: Fri, 24 May 2024 02:58:08 +0100 Subject: [PATCH] Update 2019 kit manufacture details Added every relevant thing I can remember/extract from email history. Closes #40 --- docs/kit/smallpeice/manufacture/2019.md | 23 +++++++++++++++-------- 1 file changed, 15 insertions(+), 8 deletions(-) diff --git a/docs/kit/smallpeice/manufacture/2019.md b/docs/kit/smallpeice/manufacture/2019.md index 333074e..f26d562 100644 --- a/docs/kit/smallpeice/manufacture/2019.md +++ b/docs/kit/smallpeice/manufacture/2019.md @@ -66,11 +66,11 @@ Three of these got back to us and were able to provide quotes: |Total: |£6,151.79 |£6,601.67|£6,855.76 | |With vat |£7,382.15 |£7,922.00|£8,226.91 | -The decision was made to go with Beta Layout at the manufacturer. +The decision was made to go with Beta Layout as the manufacturer. ## Submitting the orders -The orders were placed via ECS Purchasing. Due to a miscommunication regarding the budget, the first order we placed only contained the power and motor boards. We later attempted to place a second order for the servo boards; however, at the time of writing (2019-10-23) it doesn't look like this order has reached the supplier. +The orders were placed via ECS Purchasing. Due to a miscommunication regarding the budget, the first order we placed only contained the power and motor boards. We later attempted to place a second order for the servo boards; however, the order was postponed due to the coronavirus pandemic until November 2020. The order instructions that we sent to ECS Purchasing can be found in the [kit-manufacture-2019 repo](https://github.com/sourcebots/kit-manufacture-2019). There are also some "special instructions" files that get sent to the manufacturer directly by copying their contents into a form as part of the order process. @@ -79,6 +79,7 @@ The order instructions that we sent to ECS Purchasing can be found in the [kit-m The supplier sent us a number of queries after the orders had been placed: * Informing us that they are unable to buy from one of the suppliers listed in our BOM and confirming whether they can buy the same part from a different supplier. +* Informing us that some parts are out of stock with the suppliers listed in our BOM and asking for alternative part references. * Asking for clarification on some notes in our BOM. * Asking us to review their shopping lists for components before they go ahead and buy them. * Asking us for clarification on the component orientation diagrams. They pointed out that the polarity markings are ambiguous or even missing on some components. Ultimately it was easier to just redraw the diagrams in a clearer way. @@ -87,11 +88,13 @@ The supplier sent us a number of queries after the orders had been placed: ## Receiving the boards -The power and motor boards were received on the 23rd September 2019. As mentioned earlier, manufacture of the servo boards has not yet begun. +The power and motor boards were received on the 23rd September 2019. The servo boards were received in early 2021. ## Finishing electronic assembly of the boards -The boards are recieved from Beta Layout with all surface-mount and through-hole soldered components attached; however there are still a number of steps to be completed before the boards are ready for use. +The boards were recieved from Beta Layout with all surface-mount and through-hole soldered components attached; however there were still a number of steps to be completed before the boards were ready for use. + +Assembling and testing the power and motor boards was mostly completed in the Zepler L2 electronics lab in February 2020. A few power boards were left partially assembled because we ran out of heat shrink tubing. ### Power boards: mounting the fuse and captive cables @@ -126,10 +129,14 @@ The boards need to be fully tested. It is advised to use the [procedures provide ## Manufacturing and fitting cases -Each board has a case made from laser-cut acrylic. Designs for these can be found in the respective hardware repositories. In the past we've been able to get time on ECS's laser cutting facilities to manufacture these. +Each board has a case made from laser-cut acrylic. Designs for these can be found in the respective hardware repositories. The ECS lab technicians were able to cut them for us. + +Assembling the cases requires 8 screws and 4 standoffs per case. TODO: specifically what screws and standoffs are needed? + +## 2023 Manufacturing run -Assembling the cases requires some screws and fixings etc. TODO: specifically what screws and fixings are needed? +In absence of functional servo boards, servos were controlled through the Arduino in 2021 and 2022. For Smallpeice 2023, all the outstanding kit manufacture jobs were completed. -## Adding the boards to the inventory +All the boards were flashed and tested. Cases were manufactured and fit to all the PCBs, and the unfinished power boards were finished. -We should ensure the boards are in our asset tracker. +We found that the glue-filled heat shrink tubing used for the ring terminal end of the captive battery cables was too thick; the part of the case that surrounds the cable often didn't fit over the cable and snapped.