The machine is composed of column,machine base,rotation crotch,drivingsystem,braking system,control sytem,etc.push the mixing hopper into the rotation crotch and lock the nuts.Start the control system to lift the hopper to the mixing height and position it reliably.The driving system will carry out automatic mxiing according to the set time.rotation speed and other data.after the mixing operation is finished.the rotation crotch will stop vertically,the hopper will be printed.Loosen the locknuts of the rotary crotch and push the hopper out and transfer it to the next procedure.