The ornamental design for a weldingmachinehousing, as shown and described.
FIG. 1 is a perspective view of a welding machine housing showing our new design as seen from the upper front right hand side.
FIG. 2 is a perspective view of the housing as seen from the upper rear right hand side.
FIG. 3 is a perspective view of the housing as seen from the upper front left hand side.
FIG. 4 is a top plan view of FIG. 1; and,
FIG. 5 is a perspective view of the housing as seen in FIG. 3.
The broken line showings of other portions of the welding machine in FIGS. 1–4 are for illustrative purposes only and form no part of the claimed design.