The base has features of high strength and hardness,owing to high quality material of first-class pig iron and casting of interal body.The main duriving shafts are durable in use through high cycle heat treatment of surface.

• 本机器的机座采用于等生铁铸造，强度高、刚性好、主要传动轴类均经表面高周波热处理，经久耐用。