22 Каталог HOFFMANN GROUP 2016 Станочный режущий и вспомогательный инструмент Вер. 47 Стр.22

Каталог HOFFMANN GROUP 2016 Режущий инструмент и оснастка Стр. 22 0022 ENG Lab2u

Hoffmann Group 47 Pictograms and graphics Version Tool material HSS High-performance tool steel E with 5% cobalt HSS Powder metallurgy E-PM HSS steel s ... Micro grain solid carbide carbide in the range K10-K40and P40 HSS E-SPM Special powder metallurgy substrate with high cobalt content PKD Polycrystalline diamond CERMET Cermet Type T) S>e Type N = Standard Solid carbide router with high performance diamond cut Fine knuckle form r> Left-hand cutting Standard 206B Corresponds to DIN 206 EN 22568 Satisfies Euro Standard 22568 vkn Standard Manufacturer's standard 3 Corresponds to DIN 371 Shank Solid carbide drills and milling cutters with shank DIN 6S35 HA (from shank 0 a 6mm) available with drive flat HB or HE if desired: h6 Please note the respective instruction text concerning the desired cutting tool. nlM Required: xdrillNo. 122659size 10withHEdrhreflat: HAHBHE Ordering example: 1 x No. 12 2659 size 10+1 xNo.129100HE DIN 1835B Shank in h6 tolerance with MN1835-B drive flat = =n Tolerance h7 shank with =hZ3l 3 drive flats for use in a 3-jaw chuck. Generating a drive flat: Made to order - cannot be returned. Len9th (5S Hute length 25x0 25xD (deep hole drill) Overall length of the cutting tool Milling cutters with ground recess in the shank area (L4) Ground recess diameter (D4) Angle _8 . Stepped tod for 180" countersink angle 90' High-accuracy tool tolerance in the pm range Milling cutter can advance in v this direction m Dynamic helical pitch Countersink 60o with 60° point undefined cutting edge chamfer Countersinking edge 45° cutting edge chamfer fll8° 118° point honed cutting edge Form/teeth % Special drill tip -for aramide fibres Tool with 3 teeth FormC Convex major cutting edges, 4-flute guide with IC Countersinks with unequal spacing for precision countersinking Thread MF Metric \f\f\) fine threads With 60’ flank angle CS 2-3 pitch chamfer lead, FormC i -3 -m with spiral point > Thread lead >-i or pitch Required tapping drill hole 0for the subsequent tap Note on the use of taps with through coolant holes on synchronised spindles: For optimum lubrication (for longest service life and highest process reliability) using cutting oil or MMS, we recommend GARANT quick-change tapping heads with minimum quantity lubrication system with minimum length adjustment (MLA) No. 338055 - 8060. Tolerance U7 For manufacturing to fit H7 ISO 2 6H Metric ISO threads application dass 2 6H=medium tolerance Cutter 0 tolerance m7 -0.007 Cutter 0 +0.002 tolerance dimensioning Application Pilot hole and co-pilot hole required Specially for hand-held machines OWith internal coolant supply at25barminimum pressure. For drills from 12xD a filter with 20 - 25 im must 25 bar be used in the coolant system. HPC High Performance Cutting for very high machining volumes MTC Multi Task Cutting MTC tool with cutting force reduction TPC Trochoidal Performance Cutting a synthesis of a HPC and MTC tool Balancing quality G 2.5 "max Spindle o' 2 - s'4 M = C 5-S 5 u c cjlg via c G 2.5 Milling cutter with balandng quality G 2.5 maintained up to the stated speed n,,,, (as shown on the shank marking). - a Adequate balandng quality of the overall tooling system (arbor and tool) is important at high speeds. max' The diagram shows examples of the relationship between various balancing qualities and the resulting overall balancing quality. Example: Arbor G 2.5 + tool G2.5=overall balandng quality G 1.73 Arbor m = 1kg Tool m=0.5kg Overall balancing quality at n=30,000 rpm G1 E a. PM e G2,5 G 1,68 G1,73 G 1,84 G 2,14 Note: Precondition for achieving an overall balancing quality S G2.5 is a balanced toolholder with a balancing quality G2.5. See madiining handbook No. 110950 for more information 22