Page 242 - Parlec Catalog
P. 242

Large Diameter Boring System




        240   Rough Boring Holder Base


                                                                    ROUGH BORING HOLDER BASE

                                                                      ƒ 3 positions allows a single insert holder to bore the
                                                                      complete range

                                                                      ƒ Coolant directed onto the cutting edge for maximum
                                                                      cooling, chip forming and tool life

                                                                      ƒ Independent height and diameter setting permits
                                                                      balanced cutting for almost perfectly round holes from
                                                                      the beginning, irrespective of core shifts.

                                                                      ƒ Two height balanceable cutting edges results in metal
                                                                      removal at rates almost 4 times that of a single cutter.
              3.40” (86 MM)
                                                                      ƒ Height adjustments are made with a cam that supports
                                                                      the insert holder where needed, at the furthest radial
                                                                      point.

                                                                      ƒ Each insert holder can be adjusted individually in
                                                                      diameter with a dial screw for fast, easy set-up
                                                                      operations.
                                                                      ƒ Balanced or stepped cutting can be done with the same
                                                                      set of insert holders permitting heavy stock removal
                                                                      and eliminating the need to purchase two sets of insert
                                                                      holders.

                                                                      ƒ Standard through-spindle coolant capability cools the
                                                                      insert and flushes chips.
              HOLDER BASE                                             ƒ ISO standard inserts – requires no special expensive
                       Bore Range  Holder Base (pair)  Mass lbs.  kg  inserts.
              Inch     2.55
                                 910-HBP       4.7      2.1
              Metric   65                                             ƒ Square SCMT insert holders with 6° lead for through
                                                                      hole boring or extreme core shifts.
              SPARE COMPONENTS                                        ƒ Diamond CCMT insert holders for boring to a square
              Mounting Cap   Insert Holder   Diameter Adjust   Height Adjusting   holder, or deep bore lengths.
              Screw *        Clamps      Screw      Cam
              SHCSM8X20 (each)  4605-12 (pair)  910-HBP-2 (2)  4605-13 (pair)    ƒ Trigon WCMT insert holders for applications requiring
              * 8 (Incl.)
                                                                      heavy stock removal.
              INSERT HOLDERS
              Part Number   Size    Insert Type and Size  Lead angle  Insert screw  Insert Screw Wrench  Mass  lbs.  kg
              4605-61S12    61      SCMT 12          6 degrees    028-907       018-009       0.6        .3
              4605-61C12        61  CCMT12           0 degrees    028-907       018-009       0.6        .3
              4605-61W08    61      WCMX08           10 degrees   028-906       018-008       0.6        .3
              Other styles and a complete listing of Twin Bore Insert Holders on page 219. For speeds, feeds and material removal recommendations and Boring Bar set up see pages 220–223.





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