so I tinkered a ''brake'' on these 2 discs with a square of foam that I glued to the spacer (see the picture).DO IT YOURSELF! SAW GUIDE: Aluminium V-SLOT frame

When combining, discs 2 and 3 have a tendency, due to friction, to lose their correct position.

4 Finally test your combination without looking at the disks, starting again at step 1. Note the third number in the combination. The 3 notches should now be aligned and, thanks to the spring, the mechanism unlocks. 3 Finally, turn clockwise until the notch on the first disc aligns with the lever pin. 2 Turn the dial counterclockwise for 1 full turn after the first number to engage the center disk.Ĭontinue to turn counterclockwise until the center disk notch aligns with the lever pin: note the second number in the combination. 1 Turn the graduated wheel clockwise three times: this connects the 3 discs together, so they now rotate with the wheel.Ĭontinue turning clockwise until the notch on disk 3 is aligned with the lever pin: note the first number in the combination.

You will be able to understand and note the combination by following these steps: This lock will soon be integrated into a new door for my safe :Ģ.5 mm diameter wire, clothes hanger style, for the lever pinsĪn expansion spring of 8 mm diameter and 12 mm lengthįiles and sandpaper for adjustments, and Superglue The file ''Disc2and3.stl'' is to be printed 2 times.

To familiarize yourself with this type of lock, check out the many videos available on the net (search: ''Combination Lock''Īll the pieces are printable on a 15x15cm tray printer. When the slots of the 3 discs are well aligned, a lever can be lowered, activating then the lock. The disc 1 drives the disc 2 thanks to a ''pin'' and the disc 2 drives in its turn the disc 3 also thanks to a pin.

This lock is composed of 3 discs each with a slot.ĭisc 1 is integral with the graduated wheel, discs 2 and 3 rotate freely on an axis. This is a combination lock like the one used on safes.Ī large graduated wheel is turned, clockwise and counterclockwise to set a 3 value code. I created a remix of Trigubovich's excellent lock posted here:

3d printed v slot that lock together