Page 676 - Tungaloy Catalog
P. 676

Hybrid TAC Mills
                  EPH
                    Machining modes
                           Shoulder  Slotting Ramping       Small            Plunging
                                                            depth
                             milling                       plunging                       Drilling        Enlarged
                                               Traversing                                 (Helical feed)   hole
                                 ap                        A
                                                                         ae1

                                                                                       D1, D2        ae2
                                                    Max. depth  Max. ramping  Max.   Max. cutting   Min.  Max.    Max. cutting
                                                                                    width in
                    Type    Cat. No.       øDc (in)  ap (in)     angle    plunging  plunging  machinable  machinable  enlarged hole
                                                                                                                   width in
                                            Tool ø
                                                      of cut
                                                                                                         hole ø
                                                                                               hole ø
                                                                           depth
                                                                  θ
                                                                                                                   ae2* (in)
                                                                                                        øD2* (in)
                                                                                     ae1 (in)
                                                                                               øD1 (in)
                                                                           A (in)
                      EPH13R012M12.0-2      .472      .472       3.5˚      .012      .118      .630      .925       .461
                           Straight    EPH18R016M16.0-3  .630  .630  3.5˚  .012      .157      .866      1.24       .618
                                                      .630
                                                                                                                    .618
                                                                                               .866
                                                                                                         1.24
                                                                 3.5˚
                                                                           .012
                                                                                     .157
                                            .630
                      EPH18R016M16.0-2
                                                                                                         1.56
                                                                 2˚
                                                                                                                    .776
                                                      .630
                                                                                     .157
                                                                                               1.14
                                            .787
                                                                           .012
                      EPH18R020M20.0-3
                                                                                               1.54
                                                      .630
                                                                           .012
                                                                                                         1.95
                                            .984
                      EPH18R025M25.0-4
                                                                 1.5˚
                                                                                     .157
                                                                                                                    .972
                                                                                       *Where the insert corner radius ≤ .008 in
                    Replacement parts
                                               Cat. No.     Cat. No.   Cat. No.
                  Clamping screw
                                             EPH13R012**  CSPB-2.2SH    IP-7D
                                             EPH18R016** CSPB-2.5SH     IP-7D
                   (Insert pocket)   TAC insert
                                                                                                                             9
                  dNotes on using large radius inserts             d Insert mounting procedure (EPH-type)
                  When using the inserts which have a large corner radius in   Fasten the inserts in order of  A  to  B
                  excess of .039 in, additional work is needed to the corner
                  of the body.                                                                                                TAC Mills
                                                                  q After loosening the clamping screws, place     B
                                                                    the insert in the insert pocket of the body
                                    Insert corner R  Required rework   while pushing it with your finger.
                                         r ε      to body corner
                                         (in)         (in)        w Lightly fasten the clamping screws in order
                                                                    of A and B.                                      A
                                      ≤
                                        ε ≤
                                     0     r     .039  No additional work  e For all the inserts, carry out the above steps
                                                                    q and w.
                            Body                                  r Securely tighten the clamping screws in
                                          ε  ≤
                            corner  .039   <    r    .078  R2.0
                                                                    order of  A  and  B .
                                                                  (Refer to the standard tightening torque values.)
                                                                  t For all the inserts, carry out the above step r.
                                                                  y Check the condition of insert seating,
                                                                    clearance between the insert and insert
                                                                    pocket, the tool diameter, and the peripheral
                                                                    edge runout.
                                                             Most unmarked items are available on a RFQ basis, contact your sales rep for more information.
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