5.8　Inspection and Acceptance of Center Hole Drilling Machine

Ⅰ　General Items

5.8.1　The installation of driving device and the assembly of coupling shall meet the relevant specifications of national standard in effect General code for construction and acceptance of mechanical equipment installation engineering（GB 50231）.

Number of examination:All the items are examined.

Method of inspection:Examine the record of installation quality，and use the dial gauge and feeler gauge to examine.

5.8.2　The permissible variation of installation of internal center drill shall meet the specifications of Table 5.8.2.

Table 5.8.2　Permissible variation of installation of center hole drilling machine

Number of examination:All the items are examined.

Method of inspection:It shall conform to the relevant specifications in Table 5.8.2.