939 Каталог KYOCERA 2017 Инструмент сборный и монолитный для станков Стр.M189

Каталог KYOCERA 2017 Инструмент режущий Стр. M189 0939 Lab2u

Guide for Drilling Depth of Drilling Refer to Max. Cutting Depth (Pd) shown in the lower table of M188. (Pd Shows the maximum plunge depth.) When Traversing after Drilling (1) Reduce the table feed by 50% until the center core part (do not forget to grind) is completely cut off. (The internal cutting edge's radial rake angle is large in the negative direction) (2) The min. cutting length “X” for flat bottom surface is as follows M188. Guide for Ramping (Slant Milling) Ramping angle should be under a max (Maximum ramping angle) in the above cutting conditions. Feed rate should be under 70% of the above cutting conditions. Formula of the cutting length “L” at Max. ramping angle L = ap tan a , Guide for Helical milling Sinking depth (h) at helical milling should be under Max. ap in the above cutting conditions. Ramping angle a (with trajectory of the center line of tool) should be under amax (Maximum ramping angle) in the above cutting conditions. Feed rate should be under 70% of the above cutting conditions. Down-cut machining is recommended. Helical Milling Factors 0Ds (How to find diameter of trajectory of tool's center line) 0Ds=0Dh-0D Formula for sinking depth (h) h=nx0Dsxtana (h should be under ap) (a should be under amax) When cutting dia. oDh1 < oDh < oDh2 ry/////y//A/, - 4 D J When cutting dia. 0Dh2 : Center core part remains after machining. (Not removable with the same cutter) 0Dh < oDh3 Center core part remains after machining. (Removable by traversing with the same cutter) Please refer to M188 the list for 0Dh1 Dh3. Max. ap and usable edges (mm) Usable edges Insert Corner-R R4 R5 R6 R8 3 edges ap=2.0 4.0 ap=2.5 5.0 ap=3.0 6.0 ap=4.0 8.0 6 edges ap=2.0 Less than ap=2.5 Less than ap=3.0 Less than ap=4.0 Less than Case Studies SUS304 Nozzle parts Vc = 113m/min fz = 0.14mm/t apxae = 1.0x65mm Dry MRX100R-12-9T-M (9 inserts) RPGT1204M0ER-SM (PR1535) 4.5 times longer tool life PR1535 450 pcs/edge n Conventional 100 pcs/edge High cost efficiency due to 4.5 times longer tool life and 1.5 times more insert edges. MRX prevented burr formation and improved surface finish. (Evaluation by the user) SKD61 (47-49HRC) Mold Part Vc = 125m/min fz = 0.25mm/t apxae = 1.0 2.0x10mm Dry MRX20-S20-08-2T (2 inserts) RDGT0803M0ER-GM (PR1525) More than double tool life PR1525 2 pcs and more Stable tool life Conventional I 1 pc Unstable tool life i Conventional tool machined only 1 pc of workpiece due to unstable tool life, but MRX doubled the tool life with stable machining. (Evaluation by the user) M189