The one-way race way clutchwheel has the advantages of less friction, less noise, simple structure and low cost.
并且无需额 外的护轨来限位滑块，具有结构简单、适合批量生产成本低的优点。
2
Maintenance methods: replace the rolex clutchwheel and small steel wheel or the wear gear after annealing treatment, repair the wear gear quenching of gears to the annealing treatment again.
维修方法：更换表离合轮和小钢轮或者把磨损齿轮经过退火处理，修复磨损齿轮再把退火的齿轮进行淬火处理。
3
Maintenance methods: replace the precision of the clutchwheel and the small steel wheel or wear the gear after annealing treatment, repair the wear gear and then annealing the gear quenching.