Due to the frequent use of the T-shaped groove of the head planer, it is difficult to continue to use the edges and corners of the groove. The repair method is shown in the figure. First, the three T-shaped grooves on the upper plane are trimmed into straight grooves, and then a layer of cast iron plate or structural steel plate is added on the upper plane, and then fixed by mechanical fastening to form a new T-shaped groove. The repair steps are as follows: (1) Plan the T-shaped groove into a straight groove to eliminate
Sepetir is a medium-weight hardwood. The colour of the heartwood is golden brown, darkening on exposure. Dark brown or black streaks are sometimes present, producing handsomely figured wood. The density is (450-)520-790(-900) kg/m3 at 15% moisture content. The grain is straight but more often shallowly interlocked, texture moderately fine and even.
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