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KMT STELLRAM - каталог решений для высокопроизводительного фрезерования - 2014 год EN

5230VS Series                         для размещения заказа - kennametal@kennametal.su
Technical Information

Calculation of the average chip thickness in relation with the ae (Radial Engagement) if ae is less than 50% of dia.

Formula: Programme Feed Rate (fz)               hm	 =	Average chip thickness          Formula: Average Chip Thickness (hm)
                                                ae	 =	Radial engagement
          fz = hm x      d                      fz	 =	Feed per tooth                                 hm = fz x              ae
                         ae                     d	 = 	Cutter diameter                                                       d

hm Correction Coefficient Chart

          Cutter  50mm                         Cutter  63mm                         Cutter  80mm                         Cutter  100mm

 ae%        ae (mm)      Coefficient   ae%        ae (mm)      Coefficient   ae%        ae (mm)      Coefficient   ae%        ae (mm)          Coefficient

   5           2,50        Factor        5           3,15        Factor        5           4,00        Factor        5           5,00            Factor
   10          5,00                      10          6,30                      10         8,00                       10         10,00
   15          7,5          2,30         15         9,45          2,30         15         12,00         2,30         15         15,00             2,30
   20         10,00         1,66         20         12,60         1,66         20         16,00         1,66         20         20,00             1,66
   25         12,50         1,40         25         15,75         1,40         25         20,00         1,40         25         25,00             1,40
   35         17,50         1,25         35         22,05         1,25         35         28,00         1,25         35         35,00             1,25
50 - 100  25,00 - 50,00     1,16      50 - 100  31,50 - 63,00     1,16      50 - 100  40,00 - 80,00     1,16      50 - 100  50,00 - 100,00        1,16
                            1,05                                  1,05                                  1,05                                      1,05
                            1,00                                  1,00                                  1,00                                      1,00

Example: A 50mm diameter cutter using 5,00mm radial engagement (ae) = 10% of the cutter diameter.
At 10%, your coefficient is 1,66 (see above table); therefore you must multiply your feed rate by 1,66 for correcting the feed for profiling.

                         The chart above shows the                                                   Wiper pockets are
                         multiplication factor for the feed                                          identified with a W
                         rate based on the percentage                                                engraved on the
                         of the radial engagement of the                                             face of the body.
                         cutter diameter.

                                                                                                     The 5230VS cutter series is designed with
                                                                                                     wiper pockets which provide a much better
                                                                                                     face surface finish. The non-wiper pockets
                                                                                                     generate the 90° corner. The same inserts
                                                                                                     can be utilised in all pockets.

                         Pockets setting difference                                                     Non wiper pocket        Cutter         No. of Wiper
                         between wiper and non-                                                         positions are set   Diameter (mm)         Inserts
                         wiper inserts.                                                                 back & square
                         Note: The true cutter                                                          to axis to give a          50                2
                         diameter is measured at                                                        true 90 degree
                         the non-wiper pockets.                                                         approach.                  63                2

                               0,15                                         Wiper pocket positions are in                          80                3
                                                                            front and angled to allow facing.
                             0,13                                                                                                 100                3

          0.6°

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                                                               для заказа - kennametal@kennametal.su
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