machinery | Screw protection
materials causing failures,” he explains.Century says it has approached thes problems from two directions. First, it has developed CX 77 with high levels of tungsten carbide for abrasive wear resistance and nickel for corrosion resistance. “For highly corrosive applications, we have introduced CX 77 with stainless steel backing,” Bessinger says. “We have also developed numerous hipped barrel wear solutions and continue to expand into new materials. The hipping process allows for highly tailored metallurgy and does not produce surface cracks. We offer hipped materials containing up to 65% tungsten carbide and high levels of chromium or nickel.” KraussMaffei Berstorff tries to counteract against
Above: This hydraulic pre-tensioning unit from KraussMaffei Berstorff is said to reduce frequency of cleaning
surfaces can be applied via surface hardening, through- hardening, cladding and also the application of materi- als via welding and numerous other processes. “Through hardening and surface hardening have limited wear resistance because of hardness limitations and wear surface thickness limitations. Cladding processes are inherently plagued by hair line cracks. These cracks typically do not hurt abrasive wear performance, but when corrosive attack is present, compounds will penetrate the cracks and attack less corrosive base
increased wear with two measures: elliptical liners on its ZE Blue Power models and use of a hydraulic screw pretensioning system. The optional liners are described as a cost-effective solution for wear-intensive com- pounding processes, since, if required, only the liner rather than the entire barrel needs to be replaced. A contact collar avoids material leakage in the sealing face area due to different thermal expansion of liner and outer body. The hydraulic screw preloading system overcomes
Join us in looking forward to exciting novelties, such as the enhanced online connection of the devices with innovative software solutions.
Get impressed by our proven high quality portfolio. Taking profits – guaranteed!
We are happy to welcome you as usual in hall 10 / booth A22.
CONNECTING.
PERFORMANCE.
Brabender instruments ensure the quality of your raw materials. For additional information please visit our website www.
brabender.com
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