Granulators for Size reduction of pipes up to 6 meter (20 ft.) length


Neue Herbold SR series granulators are designed and manufactured for the size reduction of full length profiles and pipes eliminating the need to pre-cut the material into shorter lengths. The 6000 mm (20ft.) profiles or pipes are fed horizontally into the granulator. The SR series granulators are used for applications ranging from profiles to extremely thick walled PVC, PP and PE pipes. The SR series granulators are designed for most difficult applications, to achieve higher through put rates and insure a safe and reliable method of profile and pipe size reduction.


SR series granulators are designed with rotor and stator knives that are counter angled to each other producing a true scissors type cutting action. This design results in a cleaner more uniform granulate and reduced heat build up in the regrind and subsequently in the granulator. Double angle cut also reduces noise emissions and energy consumption. All knives are straight sharpening and require no special knife sharpening fixture. All cutting knives are pre-adjusted to the proper size gap outside the granulator by use of the knife setting fixture which creates a constant gap between rotor blade circumference and screen resulting in reduced friction and therefore less thermal stress of the material. Knife changes can be accomplished 60% quicker and safer then adjusting knives within the granulator. The bearings of the rotor shaft are mounted within solid steel housings (not castings) which offer more reliable service and eliminate any chance for the housings to crack or break under heavy shock loads. As opposed to flanged mounted bearings, outboard mounting prevents dust/fines from fouling the bearing nor grease from contaminating the granulate. Outboard mounting provides for a quieter and cooler operation. Improved rotor designs eliminate any chance for the rotor knives to lift or loosen during heavy shock loads. The knife bolts attach to a removable and replaceable threaded clamp. The rotor flights nor the knife carrier are threaded preventing unnecessary drilling and tapping to repair stripped threads.

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