JB/T 6387-2010 Shaft-mounted hollow flank worm reducer

JB/T 6387-1992 Axial-mounted circular-roller gear reducer

GB/T 10089-1988 Accuracy of cylindrical worm and worm wheel GB/T 10089-2018 Accuracy of cylindrical worm and wormwheel GB/T 1095-2003 Square and rectangular keyways GB/T 1176-1987 Specification for cast copper alloys GB/T 1176-2013 Casting copper and copper alloys GB/T 1184-1996 Geometrical tolerancing—Geometrical tolerance for features without individual tolerance indications GB/T 13384-1992 General specifications for packagings of mechanical and electrical products GB/T 13384-2008 General specifications for packing of mechanical and electrical product GB/T 145-2001 Center holes GB/T 1569-1990 Cylindrical shaft ends GB/T 1569-2005 Cylindrical shaft ends GB/T 1801-1999 Limits and fits—Selection of tolerance zones and fits GB/T 1801-2009 Geometrical Product Specifications (GPS)—Limits and fits—Selection of tolerance zones and fits GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 699-1999 Quality carbon structural steels GB/T 699-2015 Quality carbon structure steels GB/T 9439-1988 Grey iron castings JB/T 5558-2015 Accelerator test method JB/T 5558-1991 Worm Gear Reducer Loading Test Method JB/T 6396-1992 Large alloy structural steel forgings JB/T 6396-2006 Specification for the heavy alloy structural steel forgings JB/T 7929-1999 Cleanliness for gear drive units SH/T 0094-1991 Screw worm gear oil GB/T 191-2025 Graphical symbols marking for handling and storage of packages GB/Z 145-2025 Course development guide for education about standardization—Logistics standardization