By analysis of tooth profile of chain wheel machined with form milling cutter in our company, an improved design of form milling cutter and the application result after improved are introduced.
2
山姆清洗链轮后发现他的自行车能够运转自如了。
Sam cleans the gear wheels and finds that afterwards his bicycle works perfectly.
3
在一个案例中，链轮被打破后一年。
In one case, sprockets were breaking after a year.
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