5.3 Mixture Equipment
Ⅰ Dominant Item
5.3.1 Work face of lower roller block shall fit well the side face of roll ring of cylinder，gap between work face of upper roller block and side face of roll ring of cylinder shall meet requirements in design technical document.
Check quantity:to check all.
Inspection method:to check installation quality records，to check with fill gauge.
5.3.2 To assemble gear ring and cylinder，to assemble two gear rings into a circle around the cylinder，their contact faces after tightening by bolts shall be good fit and shall not be penetrated by a fill gauge 0.05mm.
Check quantity:to check all.
Inspection method:to check installation quality records，to take actual measurements.
Ⅱ General Item
5.3.3 Tolerance for base installation shall meet requirements in Table 5.3.3.
Check quantity:to check all.
Inspection method:shown in Table 5.3.3.
Table 5.3.3 Tolerance for base installation
Figure 5.3.3 Idler roller and base
1-Base；2-Upper idler roller；3-Lower idler roller；4-Bearing base；5-Longitudinal centerline of base；6-Transversal centerline of base；7-Axial centerline of idler roller；8-Center point on top surface of idler roller
5.3.4 Roll ring shall be well contacted with roll surface of idler roller；contacting width shall not be less than 60% of total width of roll ring.
Check quantity:to check all.
Inspection method:to check with 0.05mm fill gauge.
5.3.5 Tolerance for installation of idler roller and roller block shall meet requirements in Table 5.3.5.
Check quantity:to check all.
Inspection method:shown in Table 5.3.5.
Table 5.3.5 Tolerance for installation of idler roller and roller block
Table 5.3.5（Continued）
5.3.6 Tolerance for installation of cylinder and driving device shall meet requirements in Table 5.3.6.
Checkquantity:to check all.
Inspection method:shown in Table 5.3.6.
Table 5.3.6 Tolerance for installation of cylinder and driving device
5.3.7 Installation for open gears of driving device shall meet requirements in design technical document or requirements in GB 50231 General Code for Construction and Acceptance of Mechanical Equipment Installation Engineering.
Check quantity:to check all.
Inspection method:to check with fill gauge，dye，lead extrusion.
5.3.8 Tolerance for installation of hopper and casing shall meet requirements in Table 5.3.8.
Check quantity:to check all.
Inspection method:see Table 5.3.8.
Table 5.3.8 Tolerance for hopper and hood installation
5.3.9 Bulk hopper at feeding side of cylinder，gap between its end face and inlet end face of cylinder shall meet requirements in design technical document.
Check quantity:to check all.
Inspection method:to check itby measuring.