1. Needle bearing

Needle bearing rigidity for its roller diameter small better than taper roller bearings , and bearing company developed the double row displacement of needle bearing the rigid can and copper set of sliding bearing comparable. With the ordinary than needle bearing, used in printing machine roller supports the needle bearing the needle group than the ordinary high. Ordinary needle bearing the needle with 2 μ m group as a unit, and printing machine use of needle 1 μ m groups for the unit. So, by choosing appropriate needle group, can make the work of bearing clearance less than 1 μ m, such is the quality of high precision operation printing machine need. And printing machine use of needle group can than ordinary needle bearing the grouping of more groups, so with the requirements of the processing of the exterior nature can be reduced.

2. Roller bearing

Needle bearing use, still makes printing machine manufacturers vexed in need of high machining accuracy coat, and need to experience the rich installer searching for the right needle group. In order to solve this problem, bearing production business development out of the outer ring of the roller bearing support integrated flange. Roller bearing can through the preloaded reach good precision and rigidity. And still can use with the design of the inner circle to adjust work bearing clearance. This solution can realize the printing machine roller bearing zero clearance demand. And bring the outer flange for printing machine production business solved the problem of installation and lubrication. Man Roland, Heidelberg, Japan and especially the northerners and domestic model than widely used the bearings. The roller bearing support project has become in support of the roller printing machine mainstream scheme.

 



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