Which type of foot correction should be made to avoid angular misalignment?

Shimming is the correct method to correct foot alignment in order to avoid angular misalignment. This technique involves placing thin pieces of material—shims—under one or more machine feet to raise or lower them. By adjusting the height of the feet through shimming, the machine can be leveled correctly, thereby ensuring that its components align properly and operate efficiently without excess wear or vibration.

Using shims allows for precise adjustments that compensate for uneven surfaces or inherent misalignments in equipment setup. It is a widely accepted practice in the alignment process as it provides a stable and correct working position for machinery. Proper alignment is crucial for extending the life of the machinery and for maintaining its operational integrity.

Other methods like grinding, drilling, and welding may be involved in other aspects of machinery maintenance or repair, but they are not intended for precise foot adjustments to correct alignment in the way shimming is.