Helical gears are a type of cylindrical gear with teeth cut at an angle (helix) to the axis of rotation. This angled design provides smoother and quieter operation compared to spur gears. Working Principle: 1. Angled Teeth: The angled teeth engage gradually, starting at one end of the tooth and continuing along the gear face. This reduces shock loads and noise. 2. Power Transmission: They can transmit power between parallel or non-parallel (crossed) shafts. 3. Load Capacity: Because multiple tee

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