This standard specifies the structure, dimensions, materials, heat treatment and marking of the oil seals of the guide bushings of mechanical press forging dies. This standard applies to mechanical press forging die guide bushing oil seals.
JB/T 6059.7-1992 history
2015JB/T 6059.3-2015 Mechanical press forging dies.Components.Part 3: Integral guide bushes
1992JB/T 6059.7-1992 Forging die for mechanical press machines Oil seal ring of guide bushings
JB/T 6059.7-1992 Forging die for mechanical press machines Oil seal ring of guide bushings was changed to JB/T 6059.3-2015 Mechanical press forging dies.Components.Part 3: Integral guide bushes.