一种新型石材切割加工机械——QD2000-3000型单臂石材切割加工机目前由山东省莱州市莱东建材装备备研究所研制成功。该机是在普通单臂手摇切机的基础上改进而成，横梁加长，横臂可以自动升降，加工范围大，大大提高了工作效率。其工作台运行平稳，操作轻便灵活，锯头同转盘可以 A new type of stone cutting machine - QD2000-3000 single-arm stone cutting machine currently Laizhou Dongsheng Laizhou Building Materials Equipment Institute successfully developed. This machine is improved on the basis of ordinary single-arm hand-cranked machine, the beam is lengthened, the horizontal arm can be automatically raised and lowered, the machining range is large, and the working efficiency is greatly raised. Its workbench runs smoothly, light and flexible operation, saw head with the turntable can