Page 56 - Parlec Catalog
P. 56

ER Collet Chucks




        54    High Precision Toolholding Solutions




              ER COLLET SELECTION

               ER STANDARD COLLET                        ƒ For use in ER collet chucks for drilling, reaming, boring,
               (ER Standard Collets see page 55-56)    tapping, and milling.
                                                         ƒ Meets DIN 6499-B industry standard.

                                                         ƒ Collapse range .0393”(1 mm) maximum.
                                                         ƒ Size 11 collapse range .020”(1/2 mm) maximum.
                                                         ƒ For higher runout tolerance use HIGH CONCENTRICITY GRADE AA, 5 Micron COLLETS
               ER TAP COLLETS                            ƒ Designed for use with production ER Tapping tools.
               (ER Tap Collets see page 61)
                                                         ƒ Provide maximum concentricity with positive driving force.
               ER AA GRADE 5 MICRON COLLET               ƒ Evenly distributed cutting edges for high performance machining.
               (ER AA Grade 5 Micron Collets see page 57-58)
                                                         ƒ .0002” (5 micron) gage tolerance.
                                                         ƒ Exceeds DIN requirements.
                                                         ƒ Recommended use on size.
                                                         ƒ 12 slots, deburred and polished.
                                                         ƒ Increased grip force with reduced friction to collet seat.
                                                         ƒ Improve system performance and lower cost per piece when used with a quality chuck.

              ER COLLET SELECTION WITH COOLANT OPTIONS

               ERS STEEL SEALED COLLET                   ƒ For use with regular straight shank tools.
               (ER Steel Sealed Collets see page 59)
                                                         ƒ Withstands coolant pressure up to 1,800 psi.
                                                         ƒ Collet collapse is .005.”
               COOLANT NUT SEAL SYSTEM                   ƒ Allows full range of collet when used with standard collets.
               (Coolant Nut Seals see page 60)           ƒ Allows coolant seal with grade AA, 5 Micron collets.
               (Coolant Nuts see page 62)
                                                         ƒ Prevents abrasive machining dust of chips from contaminating collet system.
                                                         ƒ Seals up to 1,200 psi.











               ER Standard         ER AA Grade      ERS Steel          ER Tap           Coolant     Collet
               Collet              5 Micron Collet   Sealed Collet     Collet           Seal        Nuts

                    L

                                  ER COLLET SIZE     ER11       ER16       ER20      ER25      ER32      ER40
                             D    LENGTH (L)         0.708      1.082      1.240     1.338     1.574     1.811
                                  DIAMETER (D)       0.452      0.669      0.827     1.023     1.300     1.614



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