4-AXIS CNC MACHINE

1 . A portable computer numerical control (CNC) machine having an X-axis, a Y-axis, and a Z-axis, the CNC machine comprising:

a) a machine head,

b) a base comprising a pair of X-axis guiding rails;

c) a connecting beam and at least one Y-axis guide rail;

d) a sub-assembly having a platform and at least one Z-axis guide rail on the platform; and

e) a tool assembly secured to the platform of the sub-assembly,

wherein the machine head further comprising a X-axis clamp corresponding to the X-axis guide rails to allow the machine head to move along the X-axis of the CNC machine;

wherein the machine head further comprising a Y-axis clamp corresponding to the Y-axis guide rail to allow the machine head to move along the Y-axis of the CNC machine;

wherein the machine head further comprising a Z-axis clamp corresponding to the Z-axis guide rail to allow the machine head to move along the Z-axis of the CNC machine; and

wherein the tool assembly further comprising a rotating mechanism to allow the machine head to rotate about an axis perpendicular to the Z-axis.

2 . The portable CNC machine of claim 1 , further comprising:

f) a mounting mechanism located on the base, wherein the mounting mechanism is adjustable in width to securely mount the CNC machine on a surface.

3 . The portable CNC machine of claim 1 , further comprises tool mounting adjustor to mount a tool on the CNC machine.

4 . The portable CNC machine of claim 3 , wherein the tool is a drilling tool.

5 . The portable CNC machine of claim 3 , wherein the tool is a sanding tool.

6 . The portable CNC machine of claim 3 , wherein the tool is a tapping tool.

7 . The portable CNC machine of claim 3 , wherein the tool is a polishing tool.

8 . The portable CNC machine of claim 3 , wherein the tool is a cutting tool.

9 . The portable CNC machine of claim 1 , wherein the movement, speed, location and angle of the machine head is controlled by a computer.