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What are the three transmission methods of the camshaft?

1 Answers

OLiam

07/29/25 4:39pm

Here is a detailed introduction to the camshaft transmission methods: 1. Cylindrical gear transmission: Overhead camshafts and underhead camshafts mostly use cylindrical timing gears for transmission. The crankshaft gear meshes with the camshaft gear through an intermediate gear. Timing gears often use helical teeth to ensure smooth meshing and reduce noise. The gears are made of steel or cast iron. The structure is simple, easy to assemble and disassemble, and the process is reliable. 2. Bevel gear transmission: Mostly used in lightweight, high-speed, high-power internal combustion engines with overhead camshafts. The camshaft is far from the crankshaft and uses bevel gears and a vertical elastic shaft for transmission. The structure is compact and reliable, but disassembly and assembly are inconvenient. 3. Chain transmission: Chain transmission is mostly used in overhead camshaft valve mechanisms, which can protect the valve mechanism from inertial loads. This device requires high-quality chains, and the chains must maintain a certain tension during operation. It is equipped with a tensioner sprocket, and adjusting the position of the tensioner sprocket can change the chain tension. The working reliability is good, but the durability is not as good as that of gear transmission devices.

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