On a geared worm machine, where must the oil level be maintained?

The oil level in a geared worm machine is crucial for its proper functioning and longevity. It should be maintained at the center of the worm shaft. This optimal oil level ensures that the worm gear and the associated components are adequately lubricated, which minimizes wear and tear and prevents overheating during operation. Additionally, maintaining the oil level at the center allows for a good balance of lubrication across the gear teeth, ensuring smooth operation and efficiency.

The other options imply incorrect oil levels that would either fail to provide adequate lubrication, potentially leading to mechanical failure, or result in excessive oil that could cause foaming or splashing, which compromises lubrication effectiveness. Understanding the significance of proper oil maintenance is important for the reliable performance of geared worm machines in various applications.