... .switch limit 18.coupling 19.main motor 20.switch limitThe structure of SZLH250 pellet machine is shown in figure 1,SZLH250 pellet ... chamber for pelleting.3.1 FEEDERThe structure of feeder is shown in Figure 2,it consists of screw shaft .SS shell,reducer and ... Side Cover 10.Bearing3.2 MIXERThe structure of mixer is shown in Figure 3,it consists of mixer shaft ,picks,shell,reducer and ...