6.5　Driving Reducer

General item

6.5.1　The backlash，tip clearance，gear engagement contact area，axial drifting during the assembling of shall meet the requirements of design documents.If there is no requirement from the design，it shall meet the requirements of current national standard，i.e.，General code for construction and acceptance of mechanical equipment installation engineering GB 50231.Each part of reducer and gear seat shall be sealed well.

Inspection quantity:30% sampling inspection and not less than 1 set.

Inspection method:check the installation and quality record；inspect with coloring，pressing lead wire，micrometer gauge and feeler gauge.

6.5.2　Radial displacement of two axle centers，inclination of two axial lines and end clearances during coupling assembling shall meet the requirements of design documents.If there is no requirement from the design，it shall meet the requirements of current national standard，i.e.，General code for construction and acceptance of mechanical equipment installation engineering GB 50231.

Inspection quantity:total number inspection.

Inspection method:check the assembling record and inspect with dial indicator and feeler gauge.

6.5.3　The allowable installation deviation of driving reducer shall be in accordance with those specified in table 6.5.3.

Inspection quantity:total number inspection.

Inspection method:it should be in accordance with those specified in table 6.5.3.

Table 6.5.3　Allowable installation deviation of driving reducer