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SmartKey Gen 2 cutaway

Enjoy watching chips pile up as you make a sweet cutaway lock? Do you have a youtube channel showing off your new mini lathe? Get excited when you buy a new X-Y table? When someone says Bridgeport, do you perk up? Then this is the forum for you!

SmartKey Gen 2 cutaway

Postby prevariikation » 21 Dec 2022 12:40

Made a rough cutaway of a SmartKey last night. It operates smoothly during normal use and the reset process, which I'm pretty happy about :) The reset process, when done 90º left, does a decent job of showcasing the interaction between the wafers and the guide pins, which is cool. Weak points are definitely the insufficiently large window to see sidebar/wafer interaction, and the lack of a cutout to see the spring and gap on the back side of the sidebar housing, both of which I'll be puzzling on today.
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Sidebar/wafer interaction cutout window
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Wafer/guide pin interaction cutout angles
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~180º housing cutout
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Re: SmartKey Gen 2 cutaway

Postby mh » 21 Dec 2022 13:34

Nice!
"The techs discovered that German locks were particularly difficult" - Robert Wallace, H. Keith Melton w. Henry R. Schlesinger, Spycraft: The secret history of the CIA's spytechs from communism to Al-Qaeda (New York: Dutton, 2008), p. 210
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Re: SmartKey Gen 2 cutaway

Postby GWiens2001 » 21 Dec 2022 22:16

Very nice! Never seen a cutaway of a SmartKey. Might have to send you a core to cut.

Gordon
Just when you finally think you have learned it all, that is when you learn that you don't know anything yet.
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Re: SmartKey Gen 2 cutaway

Postby prevariikation » 21 Dec 2022 23:01

Thanks folks! I have a soft spot for quirky and failure-prone lock designs :lol: I made a cutout window for the sidebar housing spring and either the design or execution seems to have weakened the spring and it doesn't return nicely anymore. Dang.

Gordon, I'd be happy to send you one, just fair warning that the finish is very rough, and I don't think I could make this work with a gen 3.
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Re: SmartKey Gen 2 cutaway

Postby GWiens2001 » 22 Dec 2022 21:25

prevariikation wrote:I have a soft spot for quirky and failure-prone lock designs :lol:


Have you played with the old Schlage SecureKey locks?

Gordon
Just when you finally think you have learned it all, that is when you learn that you don't know anything yet.
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Re: SmartKey Gen 2 cutaway

Postby prevariikation » 22 Dec 2022 23:02

I haven't, although I do have a SecureKey cylinder that I found a while ago. Sounds like I should dig it out!
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Re: SmartKey Gen 2 cutaway

Postby prevariikation » 24 Dec 2022 20:16

Made a few more cuts to showcase the spring-loaded sidebar housing and deepen the window around the sidebar/slider interaction. I think I'm going to call it Good Enough to demonstrate the basics :wink:
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Re: SmartKey Gen 2 cutaway

Postby GWiens2001 » 24 Dec 2022 21:53

It looks great. It shows the functions of the lock well.

Gordon
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