The location on a cam profile that is exactly opposite the toe is referred to as the?

The term used to describe the location on a cam profile that is directly opposite the toe is known as the heel. In the context of cam mechanics, the cam operates by converting rotational motion into linear motion, and the toe and heel are two distinct points on the cam's profile that play a critical role in the timing of valve actuation in an engine.

The heel can be found at the lowest point of the cam profile, whereas the toe is at the highest point. The relationship between these two elements is essential for understanding how the cam's configuration affects the engine's performance, including timing and lift. The lift generated by the cam between the toe and the heel is critical for the proper functioning of engine valves, impacting both performance and efficiency.

The other terms, such as nose, ramp, and sole, refer to other features or geometrical aspects of cam profiles but do not specifically identify the location opposite the toe, thus distinguishing the heel as the correct terminology in this context. Understanding these components of cam profiles is essential for diagnosing and repairing engine performance issues.