Ultrafine scale device

The invention provides an ultrafine scale device. According to the ultrafine scale device, a machining platform is horizontally fixed to the upper side of a base fixing frame, a vertical framework isvertically arranged on the upper side of the base fixing frame, a mechanical arm is fixedly arranged on the upper side of the vertical framework, a laser emitter is arranged at one end, away from thevertical framework, of the mechanical arm, the laser emitter is located above the machining platform, a gas guide channel is formed in the machining platform, the outer side of the machining platformis provided with an exhausting device connected with the gas guide channel, the upper side of the machining platform is provided with a closing plate, a hollow area is arranged in the closing plate, and a material to be machined is arranged in the hollow area. By using the ultrafine scale device, waste turned over in the machining process can be sucked or sucked in the machining platform, the situation that due to cocking o