In the crankshaft helical gear of the air-cooled engine, the angle between the center line of the first tooth of the gear and the center line of the first link journal is 20°±15′ during the machining. At the end of the crankshaft, which is nearly 1 m long, it is really difficult to machine such a helical gear with high precision and strict position requirements (see Figure 1). In the past, before the processing, first lift the crankshaft with a crane, find
Barbed Wire
Galvanized barbed wire is perfect for livestock fencing, security fencing, and barriers. It is uniformly zinc coated, which makes it corrosion-resistant and durable to use. Besides, it is easy to install, and can be used directly or mounted on top of the other mesh fencing to provide additional security. The various specifications and designs can meet most commercial, industrial, agricultural, highway, and other applications.
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