Posted on March 14, 2012 - ( views)
JAKOB Antriebstechnik offers an innovative production series of servo couplings with a flange connection on one side. The models KPE and KPP-F developed to allow connecting gear units and engines with a mechanic interface, standardized in accordance with DIN EN ISO 9409-1. Both versions guarantee the production-related advantages which are so typical for metal bellow servo couplings such as zero backlash, a high torsion stiffness, the ability to compensate misalignments as well as a high operational torque. The advantages of the KPE series with its two-piece flange connection are its compact design and easy assembly while the plug-in version KPP-F shows off its strengths in installation spots which are difficult to access.
The two new servo couplings are suitable for pitch circle diameters of the standard flange from 31.5 to 160 millimetres and can thus be used for a large number of purposes. The flange and the clamping ring hub are made of nitrocarburized quenched and tempered steel; the clamping hub and the groove ring for their parts consist of high-strength aluminium. Stainless steel which easily sustains temperatures of up to 300°C has been used for the bellow. The beading press-in method which JAKOB developed and patented in 1974 guarantees a perfect, backlash-free connection of the metal bellows and the hubs. For the steel and stainless steel hubs which are deployed in all models with a declared value nominal torque of 1,600Nm, a special plasma welding procedure is used to connect the bellow.
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