| 摘要 |
A second workpiece component, such as a rectangular frame member, is positioned on a first workpiece component, such as the end of a rectangular duct. The first workpiece component is engaged by a clamp member secured to a frame so that the first workpiece component remains fixed relative to the frame. A positioning device, which is secured to a securing device such as a spot welder, is moved into abutting relation with the second workpiece component. The positioning device moves the second workpiece component to a preselected location on the first workpiece component while the securing device moves to a preselected location in overlying and underlying relation with the first and second workpiece components. In this position, the second workpiece component is secured to the first workpiece component at a preselected location. After the second workpiece component is secured to the first workpiece component, both the securing device and clamp device are disengaged from the workpiece and moved to another location along the workpiece where the clamp device is moved into engagement with the first workpece component. Thereafter, by means of the positioning device, the second workpiece component is moved to the preselected location on the first workpiece component and the securing device is moved to the preselected location on the second workpiece component. The securing device then secures the second workpiece component to the first workpiece component along the same axis of the second workpiece component.
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