Basic concepts and definitions Needle mechanism 到布机构 10 8 8品o Basic concepts and definitions Mechanism(机构)：a kinematic chain in which at lease one link has been"grounded",or attached,to the frame of reference(which itself may be in motion);the links in the kinematic chain move upon each other with definite relative motion. Kinematic Chain(运a动链)：an assembly of links and joints.(Interconnected in a way to provide a controlled output motion in response to a supplied input motion.)? ME357 Design Manufacturing ll 22 8 5 6 7 8 9 10 12 11 12 10 P 1 4 2 3 1 2 3 Basic concepts and definitions Take-up mechanism 挑线机构 Needle mechanism 刺布机构 ME357 Design & Manufacturing II Mechanism（机构）: a kinematic chain in which at lease one link has been “grounded”, or attached, to the frame of reference(which itself may be in motion); the links in the kinematic chain move upon each other with definite relative motion. Kinematic Chain（运动链）: an assembly of links and joints. (Interconnected in a way to provide a controlled output motion in response to a supplied input motion.) ? Basic concepts and definitions