7　Coiler and Uncoiler

7.1　General Requirement

7.1.1　This chapter is applicable to the equipment installation of hot rolled steel strip coiler，cold rolled steel strip uncoiler and coiler.

7.1.2　The drive box and coupling assembly for uncoiler and coiler shall meet the requirements of technical documents and current national standard，i.e.，"General code for construction and acceptance of mechanical equipment installation engineering"（GB 50231）.

7.1.3　The equipment accuracy classification for uncoiler and coiler shall be in accordance with those specified in Table 7.1.3.