10/主驅動
Main drive
蝸輪材料選用優質耐磨合金銅,由精密機床加工,高級技師精細刮削而成,磨損極小,精度高。曲軸,用鉻鋼高頻淬火處理,使用壽命長。擺桿由球磨鑄鐵鑄造而成,強度高,耐磨耐用。
Worm gear material selection of high quality wear resistant alloy copper, from precision machine tool processing, senior technician fine scraping,wear a very small, high precision. Crankshaft steel with high frequency quenching, long service life. Pendulum polished cast by the cast iron, high strength, wear and durable.