DIN 9805:2017-02

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 pre-cutters and hole plates of mincers according to the Unger system in sizes R70 to X400. The standard differs from DIN 9805:1977-08 as follows: a) the title of the standard has been changed, b) the foreword and/or bibliography respectively contain the references to the family of standards on sets of cutting tools for mincers; c) the foreword partly contains the clause "Explanatory notes"; d) the foreword contains the clause "Previous editions"; e) Figure 1 and Figure 2, additional reference surface "B" for the shape and position tolerance of the groove; f) dimensions t2 and z may be freely selected by the manufacturer and are omitted; g) Table 1, inclusion of a second housing wedge width to take the requirements of DIN EN 12331 into account according to coded sets of cutting tools; h) Table 1, the code letter for the marking is now part of the size; i) Table 1, the sizes K280 mm and X400 mm have been added; j) Table 1, the tolerance for the groove width and depth as well as the parallelism of the running surfaces has been changed; k) Table with the assignment of bore diameter d8 to the size has been omitted; l) Clause 4, new version and deletion of the "Hardness specifications"; m) Clause "Designation" has been omitted; n) Clause "Marking" has been revised.