Installation Requirements of Screw Conveyor

Installation Requirements of Screw Conveyor

1. The foundation of screw conveyor should be completed 20 days early before installing screw conveyor so that it can make foundation solid and reliable and keep the spiral machine from subsidence or deformation, to ensure there is sufficient stability when screw machine is running. 

2. The casing assembly shall meet the following requirements: 

(1)Longitudinal straightness tolerance accounts for 1/1000 length, full-length straightness tolerance is 3mm. 

(2)Lateral straightness tolerance accounts for 1/5000 width. 

(3)The gap on both sides of the inner wall of casing and screw shaft should be equal, its tolerance is 2mm, the bottom of the gap tolerance also is 2mm. 

(4)The casing joints should be tight fitting. 

(5)The casing and frame should contact well. 

3. The tolerance between shaft and bearing center line registration is 0.5mm. 

4. The inner surface of the two adjacent casing, their mutual joints may not have obviously shifted. 

5. The foundation bolts should be tightened after screw machine sections have adjusted well. 

6. The low-speed shaft of driving device and forward shaft of screw machine should be in a unified axis. 

7. It should be welded inlet and outlet after the whole machine is installed well if they require site installation.