Lab Log for the Zeiss DSM "Kevin"

Fixed the very leaky tire valves of the isolation system. We now have proper pneumatic isolation valves on all three tubes instead. They are labelled now:

The back bellows are labelled BACK1 and BACK2 for clarity:

Updated the instructions here: setting_up_the_vibration_isolation

Taught a few more members how to use the DSM. Started taking notes on the important facts and pictures of the relevant controls so we can create a wiki page with all the info.

Noticed that the tire valves for the vibration isolation are now all leaky so it's no longer possible to get the bellows pumped up enough. Ordered some more ball valves to mitigate it. But maybe a better solution is more urgent than we hoped…

Cycling the DSM rapidly killed F5 (6.3A, slow blow). A 6.3A fast blow fuse from F6 was moved into F5, and a 5A fuse has been installed into F6 (as a bodge).

Worked on replacing the annoyingly loud fan of the BIVAS with some gamer fans. Unfortunately, we only have 2 right now, but we need 3 (140mm fans, with RGB of course). Ordered another one.

Printed some brackets that will attach the fans to each other. We will need additional brackets to attach the fans to the rack in the future.

The 2 fans are temporarily mounted with zip-ties so we have some airflow at least.

Also, not driving the gamer lights yet. That still needs to be added!

Finally all the parts for the sketchy vibration isolation system are here. Installed the setup:

• Replaced the original air hoses for the 4 isolation bellows with new ø6mm hose (the transparent blue one).
• The setup is still the same: The front two bellows are connected with a tee, the back ones are individual.
• On the end of each of the 3 hoses, a tire valve is installed with an ungodly adapter mess: The tire valve has an NPT thread, screwed into an NPT to BSP adapter, screwed into a push-in fitting.
• A bike pump can now be used to inflate the bellows to raise the column into vibration isolation.

Unfortunately, one of the tire valves is broken and leaks quite heavily. Installed a ball valve in front of it as a countermeasure. Keep in mind to close it!!

When pumping up the bellows, they start moving at about 2.9 barg. Pump very slowly at that point because you only need a tiny amount of additional air to actually start moving. Always do the front bellows (the connector with the ball valve) first.

For comparison, took two pictures to compare no isolation (left) to isolation (right):

Amazing!