Then we calculate the maximum printing pressure,the printing pressure of random point and the overall printing pressure by the compress of cylinder dressing.

After an analysis of relevant factors in printing pressure,the author puts forward printing pressures to meet the dot requirements of offset printing when using the diverse offset blankets.

In addition,the addition and/or reduction of the liner and dimension of printing image in width were calculated,and the right method was presented to control the printing pressure of solid plate,which provided a reference for the coteries.

It is discussed what raised the using life in cold working, without changing structure masurement and increasing weight, throngh doing pin stress coining ,plastic deformation ,changing stress in hold`s high stress region, reducing hold stress peak value in the reversal stretch loading.