Режущие и зажимные инструменты Hoffmann Group 2026 - страница 986

GBP 57 DIN ISO 69871 7388-1 ​Quick-change tapping chuck for right-hand and left-hand rotation ■ Compact design, with flexible length compensation by compression and tension. ■ Adjustable lead-in pressures for different materials and taps. 33 4630/4638 – With ball bearing-mounted sleeve for smooth no−play length compensation. Application: ■ To produce threads that are true to gauge. ■ For right-hand and left-hand thread. ■ For NC machines and machining centres. Optional extras: See No. 335420 − 335660 for quick-change tapping collets. Pull studs (PS) No. 308600 − 308806. Pull stud wrenches No. 308820; 308835. Note: ■ Quick-change tapping heads in other shank types size M14 − M33 available on request. ■ Quick-change tapping heads not suitable for internal coolant supply. With ISO taper (SK) to DIN ​ Tapping range M3-12 M6-20 M14-33 33 4630 SK 40 eShop eShop eShop 32P 31P 32P 31P 33 4634 Quick-change tapping chuck SK 40 eShop eShop – 33 4630 33 4638 SK 50 eShop eShop eShop 33 4642 SK 50 eShop eShop – Length compensation by compression mm 7.5 12.5 24 Length compensation by tension mm 7.5 12.5 24 External ⌀ D mm 38 55 79 ⌀ D1 mm 19 31 48 Dimension A (33 4630, 33 4634) mm 60 100 138 33 4634 Dimension A (33 4638, 33 4642) mm 62 83 133 DIN ISO Form 69871 7388-1 AD ≤50 bar Quick-change tapping chucks for synchronised spindles ■ With minimum length adjustment (MLA), by means of a damping element. ■ Increases tool life of taps by up to 300 %. ■ Internal coolant supply up to 50 bar. ■ Secure clamping for ER collets in quick-change tapping collets. ■ Run-out of shank taper to the tapping collet taper < 3 µm. Application: On machining centres with synchronised spindles. ■ For compensating the difference in pitch between tap and synchronised spindle. ■ For compensating the pitch tolerances of taps. Tapping range M1-12 M6-20 33 8100 31M 31M Tapping chuck SK 40 eShop eShop MLA IC 50 bar 33 8105 SK 50 eShop eShop Tapping range M1 - M12 M6 - M20 Length compensation by compression mm 0.2 D D1 Length compensation by tension mm 1 External ⌀ D mm 43 60 ⌀ D1 mm 20 32 33 8100 Dimension A (33 8100) mm 53 90 Dimension A (33 8105) mm 53 74 A suitable for ER size 11 / 16 25 ISO Form 7388-1 AD ≤50 bar ER synchro tapping chuck, one piece ■ With minimum length adjustment (MLA), by means of a damping element. ■ Internal coolant supply up to 50 bar. ■ Increases the tool life of taps/fluteless taps. Application: ■ On machining centres with synchronised spindles. ■ For compensating the difference in pitch between tap and synchronised spindle. 33 ■ For compensating the pitch tolerances of taps. for ER collet size 16 25 33 8190 Tapping chuck, ER synchro SK 40 eShop eShop 32P Tapping range M4 − M12 M6 - M20 Length compensation by compression mm 0.5 Length compensation by tension mm 0.5 External ⌀ D mm 34 45 33 8190 ⌀ D1 mm 28 42 Dimension A mm 85 100 986