QB/T 1418-1991 Interchangeable dimensions of paper roll bearing housings and couplings

This standard specifies the interchangeable dimensions of the paper reel bearing housing and coupling of the paper reel. This standard is applicable to paper reels, rewinders, paper cutters, super calenders and other processing and finishing equipment with a net paper width of 1760 to 5500 mm. QB/T 1418-1991 Interchangeable dimensions of paper reel bearing housing and coupling QB/T1418-1991 Standard download decompression password: www.bzxz.net

Light Industry Standard of the People's Republic of China
Bearing Housing and Coupling of Paper Reel
Interchangeable Dimensions
1 Subject Content and Scope of Application
This standard specifies the interchangeable dimensions of the bearing housing and coupling of the paper reel of the paper reel. QB/T1418-1991
This standard is applicable to processing and finishing equipment such as paper reel, rewinder, paper cutter, super calender, etc. with a net paper width of 1760-5500mm. www.bzxz.net
2 Reference Standards
GB/T3478.2 Dimension Table of Cylindrical Spur Involute Spline ZBY91009 Dimensions of Papermaking Machine Width Series
3 Interchangeable Dimensions
Should comply with the provisions of Figure 1 and Table 1.
Bearing external dimensions
Clear paper width
SD(19)
≥1760
≥2 640
≥3940
≥5500
A(H12)
Pressure angle
Cylindrical spur involute spline
Note: The coupling material is quenched and tempered with 40Cr. The surface rate of cylindrical spur involute spline is fire. Approved by the Ministry of Light Industry of the People's Republic of China on December 31, 1991d
Basic dimensions
Coupling end
Surface to spherical surface
Center distance
Implementation on August 1, 1992
Additional instructions:
This standard is proposed by the Technical Equipment Department of the Ministry of Light Industry. QB/T1418—1991
This standard is under the jurisdiction of the National Light Industry Machinery Standardization Center. This standard was drafted by the Hangzhou Light Industry Machinery Design Institute of the Ministry of Light Industry. The main drafter of this standard is Feng Zhengyi.
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