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What is the function of the valve spring?

1 Answers

SanColin

07/30/25 7:59am

The function of the valve spring is to overcome the inertial force of the valve and its transmission components during the valve closing process. Below are the relevant details: 1. Purpose: To prevent gaps between transmission components caused by inertial forces, ensuring the valve promptly seats and tightly fits, preventing valve bouncing during engine vibration, which could compromise its sealing. 2. Tool introduction: The valve spring is located between the cylinder head and the spring seat at the tail end of the valve stem. The function of the valve spring is to ensure the valve tightly fits with the valve seat or valve seat ring when closed, and to overcome the inertial force generated by the valve train during valve opening, keeping the transmission components always under cam control without disengaging from each other.

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