1.This is mini motor.100V,60W,4500rpm. Made by YAMAMOTO DENKI. model YM-43.

2.This is air cylinder.Made by CKD. Model STLM25-100. I use it for the movement of the motor. It has a guide to both sides.

3.Remove the O ring. Then, The move of the rod becomes smooth.

4.Making a bracket which fixes a motor. The aluminum angle. 50*50*3t.

5.Assembling a shaft end part.

6.Making a coupling for drill shaft.

7.Drilling a 1.8mm.

8.Drilling a 6mm for motor shaft.

9.Tapping. The drill side is M3 and the motor side is M4.

10.Tapping M5.

11.View the fan end of the motor. Installed in the cylinder with the 50 mm angle and flat bar.

12.Side view.

13.Putting a coil spring in the cylinder rod. This spring wire 1.6 mm ,OD 20 mm, free length of 105 mm.

14.Doing a lid with the snap-ring.

15.Doing the preparation to install a link mechanism.

16.These are the part of the link mechanism. Plate is 3 mm thickness,18 mm width,SS400.

17.Completing the link mechanism.

18.Next, making the base plate. The material is 30 mm plywood.

19.Setting a rubber leg to the reverse of plate.

20.Using a limit switch for the power switch. It's a upper right.

21.Making the stand-parts for limit switch.

22.Bending it, and fixing a plate of aluminum.

23.Wiring. The motor On in the cylinder descent.

24.It was complete.

This drill-press is very silent.