208 Каталог SUMITOMO 2018 Инструмент металлорежущий Пластины Резцы Фрезы Сверла Стр.F12

Каталог SUMITOMO 2018 Инструмент металлорежущий Стр. F12 0208 Lab2u

Grooving & Parting-Off Grooving Tool Holders GND Type Key Points for Face Machining Holder Selection Precautions for Groove Expansion Recommended Chipbreaker: MG, ML, GG, GL, GF Max. Diameter Min. Diameter Select a holder so that the outer d be machined comes within the ran mum grooving diameter of the hol iameter of the first groove to ige of maximum and mini-der. Precautions for Turning Recommended Chipbreaker: MG, ML Considering the rigidity of the holder, we recommend machining from the outside to the inside. Not Recommended: Inner Side Principal Force Outer Side If machining is performed toward the outside, the wall thickness remaining on the principal force side will become thinner, which reduces the rigidity of the holder. Principal Force - If the first groove meets the range of the effective grooving diameter in face turning, the grooving diameter will not be limited for the second and later passes. - Select the chipbreaker of the lower limit side of the recommended cutting conditions and straight chips before evacuation. (In face grooving, broken chips easily get stuck in grooves, which causes problems.) - When breaking chips, step feed is required. Key Points for Internal Machining Precautions for Internal Machining Recommended Chipbreaker: ML, GL If the prepared hole diameter is small, use an ML or GL low-feed chipbreaker, each of which reduces chip curl diameter, to ensure adequate chip evacuation. ML K9 GCMN 3002 ML GCMN 3002 GG Work Material: 15CrMo5 (025mm) Holder: GNDI R2532 T306 Insert: GCM N300 Cutting Conditions: vc=100m/min, f=0,10mm/rev, ap=3,0mm, wet Chip shapes differ between internal and external machining even under the same cutting conditions. Work Material: 15CrMo5 Holder: GNDL R2525M 320 Insert: GCM N3002 GG Cutting Conditions: vc=100m/min, f=0,10mm/rev, ap=5mm, wet F12