Каталог YG-1 инструментальная оснастка - страница 72

POWER MILLING CHUCK TECHNICAL INFORMATIONPOWER MILLING CHUCK High-Speed POWER MILLING CHUCK • Achieving optimum cutting for High-Speed heavy duty cutting and finishing with strong torque power • Perfect clamping from 3mm depth of I.D entrance • Achieving stability when exchanging and setting tools by stable fastening and unfastening torque O Ring - ‌P reventing foreign substances from entering body and nut To use ordinary spanner Lots of needle bearings - ‌S trong load during • ‌R igidity is strengthened through slot made at inside milling chuck, which prevents clamping deformation of milling chuck. Smooth cutting is achieved by maximizing end mill - ‌Dispersing surfacepressure through clamping power. - ‌N o need for expensive Ratchet spanner needle bearing • ‌E nough thickness of clamping part prevents chattering and ensures durability. => Using ordinary spanner • ‌H igh precision can be achieved through accurate roundness of T.I.R 0.005 T.I.R 0.01 Balancing grade Slot design at inside milling chuck clamping part, deburred surface and rigidity (deviation of concentricity : below 2, roughness : below RZ B1.0~1.5) - ‌G 6.3 / 20,000 RPM - ‌S trengthening body rigidity • ‌M aintaining T.I.R not exceeding 0.01mm at 3D from nose part => Optimizing cutting effect during - ‌Preventing deformation TEST BAR High-Speed heavy duty cutting and finishing during cutting - ‌M aximizing torque power - ‌P reventing chattering and 3D ensuring durability • ‌1 60% more of bearings are used in needle roller than other make's chucks, which provides strong clamping power and high durability by dispersing surface pressure even in case strong load is applied. Strong Torque Power TIR 0.003 dTEST BAR Milling chuck(I.D) Standard Tolerance(Taper shank)Run-out Clamping torque A 3*d C20 980NmISO 30 (0~+0.002) C25 1,760Nm • ‌In order to improve durability, YG-1 milling chuck is passed through following processes.- ‌"Normalizing" treatment for unifying material composition and removal internal stress. AT3 ISO 40 (0~+0.003) 0.01mm at 3DC32ISO 50 (0~+0.004) 3,430NmC424,900Nm - ‌U ltralow temperature (-90°C) treatmemt called “Sub-Zero treatment”after carburizing heat treatment for prior removal of any deformation of milling chuck after use for long periods of time. 138 Phone: +82-32-526-0909, www.yg1.kr, E-mail: yg1@yg1.kr Phone: +82-32-526-0909, www.yg1.kr, E-mail: yg1@yg1.kr 139