Method and mechanism for setting blind cutting size for blind cutting machine

A blind cutting size setting mechanism for use in a blind cutting machine, said mechanism comprising:

• a base frame;
• a motor fixedly mounted on said base frame;
• a locating frame including an open frame body fixedly fastened to said base frame, a transmission rod rotatably mounted to said open frame body and coupled to said motor for rotation upon operation of said motor, and at least one guide rod fastened to said open frame body;
• and
• a positioning control unit adapted to move in said locating frame between a start position and an end position upon operation of said motor, said positioning control unit having a screw hole and at least one through hole respectively coupled to said transmission rod and said guide rod of said locating frame for enabling said positioning control unit to be moved along said guide rod between said start position and said end position upon rotary motion of said transmission screw rod.

A blind cutting size setting method for use in a blind cutting machine having a control unit, said method comprising the steps of

• (a) inputting a predetermined cutting mode and product type into the control unit of the blind cutting machine;
• (b) inputting window's width measurement and the size of the blank blind to be cut into the control unit of the blind cutting machine, enabling the control unit of the blind cutting machine to calculate the size to be cut off;
• and
• (c) driving the control unit of the cutting machine to move a blind cutting size setting mechanism in the blind cutting machine to a predetermined position to stop the blank blind to be cut in position for cutting.