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How to adjust the arm height of steel truss machine

The method of adjusting the boom height of steel truss is divided into two steps.

1. The height adjustment method of the adjustable arm of the steel truss machine of the invention can realize the fine adjustment of the height through bolts and nuts.

2. Make a hole in the center of the screw external thread and adjust the height of the bolt. The anchor bolt fastened by the equipment passes through the central hole and enters the upper nut, so that it can be fastened.