GUHRING - Ружейные сверла - 2008 EN

                                                                    для размещения заказа - guhring@guhring-tools.ru

       Single-fluted gun drills EB 80

       suitable for almost every material, from  2 - 40.0 mm,
       max. total length 3000 mm

EB 80

       For certain materials a coating is required, as the successful application of gun drills with a bright surface finish cannot be guaranteed.
       For coating definitions see GuhringNavigator.

       TiN-coat            FIRE         MolyGlide           TiCN

       The dimensions required to calculate the length                                     workpiece                                                                                       * max. flute length per tool
       for conventional machine tools                                                                                                                                                      40 x D, for larger drilling
                                                                                                                                                                                           depths apply two tools. (i.e.
                                                                              head length                                                                                                   10 x 450 and  9.95 x 850
                                                                                                                                                                                           mm)

                                                                                                                                                                                   driver

       35°                                                                                             G
           30°
                                              re-grind            drilling depth                           min. distance                                                           driver length
                                        Dup to D 6 ~ 4 x D         flute length                                 ~4 x D
                                        up to D 20 ~ 2 x D
                                                                   30°up to D 40 ~ 1 x D total length  C
                                                                        20°
       EB 80                                          Standard designs                                 E                                                                             Special designs
                                                                                                         20°Head formsA                                                            Suitable for all materials,
                                                                                                             27° 12°GD                                                             but for larger hole tolerances
       (position of                                                                                                                                                                Suitable for all materials,
                                                                                                                               25° 30°supporting strips)Suitable for all materials,but only when spotting
                                                                                                                                       15°but for smaller hole tolerances          conditions are unfavourable
                                                                                                                                                                                   This design is predominantly
                                                                                                                                                                            18°C   suitable for grey cast iron
                                                                                                                                                                                10°
                                                    Suitable for difficult-to-machine                                                                                                                         20.01…40 mm
                                                    materials, i.e. high-alloyed steels                                                                                                                  15°

                                        E Supporting strip

       EB 80                            A
       Standard point grinds

       special point grinds available)

                 D 2…4.00 mm                                                     4.01…20.00 mm
                                                            30° 15°
       30° 15°

                                                                                                          0,3 ... 0,7
                                                                                                                                                                     21°35°                                                 0,7 ... 1,2
                                                                                                                                                               20°

                                                                                               30°

                                   25° 40°
                 15°                                              12°                                                                                                              10°
                                D                                                  D                                                                                                                 D
                                4                                                  4                                                                                                                 4

                            D                                                  D                                                                                                                D

       24 Gun drills                                              guhring@guhring-tools.ru
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