Sendzimir's team of engineers and designers is committed to duplicating or improving upon the design of replacement parts whether you order a replacement screw or a complete set of backing assemblies. We supply genuine mechanical, hydraulic, pneumatic spare parts to customers all over the world.
Thousands of parts make up a typical Sendzimir mill - each one specifically designed for that particular mill. Sendzimir maintains a database of recommended spare parts for each mill. Take the time to use genuine quality replacement parts.
We can supply complete sets of backing assemblies or you can send us your worn assemblies for an inspection analysis of the complete assemblies.
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A Sendzimir improvement to its 20-high cluster mills redesigned the 1st intermediate thrust couplings. This improvement applies only to the ZR24 mill series. However, it almost doubles the life of the 1st intermediate rolls and increases work roll life by a factor of 1.8.
The range of the diameter of the 1st intermediate roll, which customarily ranges from 1.515 inches (38.5 mm) to 1.625 inches (41.3 mm), has been increased to 1.378 inches (35 mm) to 1.625 inches (41.3 mm). This new design uses symmetrical rolls with removable roll necks on both ends of the 1st intermediate rolls. The roll can easily be reversed or used in multiple locations. The range of work roll diameter also increases, from the customary .95 inch (24.2 mm) - .75 inch (19 mm) to 1.12 inch (28.4 mm) - .75 inch (19 mm), a gain of over 80%.
There are several advantages to this redesign: To start, this reconfigured roll will work in all four 1st intermediate roll positions. Furthermore, the roll neck is bolted on and can be replaced in case of breakage. Finally, the common size allows the grinding of several rolls at once instead of having to grind the two upper intermediate rolls in one set and then the two lower intermediates in another.