DIN Standards Committee Mechanical Engineering
DIN 9802
Food processing machinery - Bore of cylinder head for mincers - System Unger
Nahrungsmittelmaschinen - Gehäusekopfbohrung für Wölfe - System Unger
Overview
This standard has been prepared by committee NA 060-18-02 AA "Fleischverarbeitungsmaschinen" ("Meat processing machinery") at Technical Section "Food Processing Machinery" at DIN Standards Committee Mechanical Engineering (NAM). Representatives of the manufacturers and users of meat processing machinery as well as representatives of the employers' liability insurance associations contributed to this standard. This standard specifies dimensions for the bore of cylinder head for mincers according to the Unger system in sizes R70 to X400. The standard differs from DIN 9802:1977-08 as follows: a) the title of the standard has been changed; b) the foreword and bibliography respectively contain the references to the family of standards on cutting sets for mincers; c) the foreword partly contains the clause "Explanatory notes"; d) the foreword contains the clause "Previous editions"; e) Table 1, inclusion of a second housing wedge width to take into account the requirements of DIN EN 12331 according to coded cutting sets; f) Table 1, the code letter for the mark is now part of the size; g) Table 1, the sizes K280 mm and X400 mm have been added; h) Table 1, the tolerance for the housing wedge height has been changed and the dimension is now related to the center axis; i) dimension I2 may be freely selected by the manufacturer and has been omitted; j) dimension t3, dimension and tolerance have been corrected; k) the clause "Designation" has been omitted.