Page 64 - Parlec Catalog
P. 64

ER Collets




        62    High Precision Toolholding Solutions

              ER COLLET NUT SELECTION

               STANDARD DIN STYLE NUT                  ƒ Conforms to ISO 15488.
                                                       ƒ Solid one piece durable construction.
                                                       ƒ Coated seat angle reduces friction improving grip force.
                                                       ƒ Designed with balance compensation of retraction clip.
               ER POWER NUT                            ƒ Exceeds ISO 15488.
                                                       ƒ Friction Race design improves concentricity and grip force.
                                                       ƒ Two piece construction eliminates the torsional force on the
                                                       collet during clamping.
                                                       ƒ Floating race prevents miss alignment between clamping race
                                                       and collet angle.
              ER COLLET NUT SELECTION WITH COOLANT OPTIONS

               STANDARD DIN STYLE NUT                  ƒ Used in conjunction with Steel Sealed Collets.


               POWER NUT                               ƒ Used in conjunction with Steel Sealed Collets.


               COOLANT NUT SEAL SYSTEM                 ƒ Exceeds ISO 15488.
               (Coolant Seals see page 65)             ƒ Used in conjunction with Coolant Nut Seals.

                                                       ƒ Prevents chips and dust from backing up into collet system.
                                                       ƒ Acts as a coolant concentrator to deliver coolant along the
                                                       shaft of the cutting tools.








                                         Flush Nut      Power Nut       Coolant Nut
                          STANDARD DIN STYLE NUT FOR MINIMUM OVERHANG

                          ER Size  Part Number   ER Size  B  Size and Style  Standard Wrench   Torque Wrench Nose   Torque
                          ER11    11ERHN     ER11    0.75    1 1/16” Hex  300CNW     -           22 ft.lbs.
                          ER16    16ERHN     ER16    1.11    1” Hex      ECN20W      TWN-16ERHNW  52 ft.lbs.
                          ER20    20ERHN     ER20    1.34    1 3/16” Hex  20ERHNW    TWN-20ERHNW  74 ft.lbs.
                          ER25    25ERN      ER25    1.67    Spanner     25ERNW      TWN-25ERNW  95 ft.lbs.
                          ER32    32ERN      ER32    1.97    Spanner     32ERNW      TWN-32ERNW  125 ft.lbs.
                          ER40    40ERN      ER40    2.47    Spanner     40ERNW      TWN-40ERNW  162 ft.lbs.
                          POWER NUTS FOR MAXIMUM GRIP FORCE AND CONCENTRICITY
                          ER16    16ERHPN    ER16    1.11    1” Hex      ECN20W      TWN-16ERHNW  42 ft.lbs.
                          ER20    20ERHPN    ER20    1.34    1 3/16” Hex  20ERHNW    TWN-20ERHNW  60 ft.lbs.
                          ER25    25ERPN     ER25    1.67    Spanner     25ERNW      TWN-25ERNW  86 ft.lbs.
                          ER32    32ERPN     ER32    1.97    Spanner     32ERNW      TWN-32ERNW  100 ft.lbs.
                          ER40    40ERPN     ER40    2.47    Spanner     40ERNW      TWN-40ERNW  146 ft.lbs.
                          COOLANT NUTS FOR USE WITH COOLANT NUT SEALS
                          ER16    16ERHCN    ER16    1.11    1” Hex      ECN20W      TWN-16ERHNW  52 ft.lbs.
                          ER20    20ERHCN    ER20    1.34    1 3/16” Hex  20ERHNW    TWN-20ERHNW  74 ft.lbs.
                          ER25    25ERCN     ER25    1.67    Spanner     25ERNW      TWN-25ERNW  95 ft.lbs.
                          ER32    32ERCN     ER32    1.97    Spanner     32ERNW      TWN-32ERNW  125 ft.lbs.
                          ER40    40ERCN     ER40    2.47    Spanner     40ERNW      TWN-40ERNW  162 ft.lbs.


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