VQSVR 43° 44° 45° 43° 45° Roughing end mill, Short cut length, 3─4 flute, Irregular helix flutes DC<8 DC>8 DC<8 DC>8 Carbon Steel, Alloy Steel, Cast Iron Tool Steel, Pre-Hardened Steel, Hardened Steel Hardened Steel Hardened Steel Austenitic Titanium Alloy, Copper Alloy Aluminum Alloy CARBIDE (<30HRC) ( < 45HRC) ( < 55HRC) (>55HRC) Stainless Steel Heat Resistant Alloy e e e e u BHTA2 15° Type1 DC SQUARE DCON RE APMX LF Type2 DC DCON APMX BALL RE LF Type3 DC DCON APMX RADIUS RE LF DCON=6 8 < DCON < 10 12 < DCON < 16 DCON=20 0 0 0 0 - 0.008 - 0.009 - 0.011 - 0.013 a Achieving an excellent vibration resistance due to the adoption of irregular helix. TAPER a Use of an asymmetric chip breaker improves fracture resistance substantially. (Compared to a conventional roughing end mill) (mm) ROUGHING BARREL No. of Stock Type Order Number DC RE APMX LF DCON Flutes VQSVRD0300 3 0.2 6 60 6 3 a 1 VQSVRD0400 4 0.2 8 60 6 3 a 1 VQSVRD0500 5 0.3 10 60 6 3 a 1 VQSVRD0600 6 0.3 12 70 6 3 a 2 VQSVRD0700 7 0.3 17 80 8 3 a 1 VQSVRD0800 8 0.5 17 80 8 4 a 2 I VQSVRD0900 9 0.5 22 90 10 4 a 1 VQSVRD1000S08 10 0.5 22 90 8 4 a 3 SOLID END MILLS VQSVRD1000 10 0.5 22 90 10 4 a 2 VQSVRD1200S10 12 0.5 27 100 10 4 a 3 VQSVRD1200 12 0.5 27 100 12 4 a 2 VQSVRD1400 14 0.5 27 130 12 4 s 3 VQSVRD1600 16 0.5 33 125 16 4 s 2 VQSVRD1800 18 0.5 33 150 16 4 s 3 VQSVRD2000 20 0.5 38 140 20 4 s 2 Note 1) SMART MIRACLE coating has reduced electric conductivity; therefore an external contact type (electric transmitted) tool setter may not work. When measuring the tool length, please use an internal contact type (non-electricity type) tool setter or a laser type tool setter. a : USA Stock s : Stocked in Japan I155