The toolholding device may or may not be used for guiding or locating. 刀具的夹具可能会也可能不会用来导向或者定位。
Material removal by machining involves interaction of five elements: the cutting tool, the toolholding and guiding device, the workholder, the workpiece, and the machine. 材料的切削与5个因素有关:刀具,刀具的夹具和导向装置,工件的夹具,工件和加工机器。