Каталог Sumitomo пластины с алмазными вставками Sumidia - страница 5

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SUMIDIA Binderless NPD10 ■ General Features By using nano-polycrystalline diamond for the cutting edge, these tools achieve excellent wear resistance and fracture resistance compared to tools made with previous polycrystalline diamond. In particular, nano-polycrystalline diamond makes it possible to achieve improved machining accuracy and long tool life for machining brittle materials such as carbide, etc. ■ Characteristics ● Best suited for high precision machining of carbide Achieves high precision machining of carbide with nano-polycrystalline diamond, which has excellent wear resistance. ● Maintain excellent dimensional accuracy over long periods Greatly reduces the number of times that the tool must be replaced compared to previous diamond tools, improving work efficiency and reducing total cost. ● Applicable to machining brittle materials Makes it possible to perform turning on brittle materials (ceramics, etc.) that could previously only be machined through grinding. ■ Applicable Range (Carbide Machining) 1. Hardness less than 88 HRA 2. Hardness 88 HRA or more 0.20 0.20 (mm) 0.15 (mm) 0.15 ap ap cut 0.10 cut 0.10 of of Depth 0.05 Depth 0.05 0 0.05 0.10 0.15 0.20 0 0.05 0.10 0.15 0.20 Feed rate f (mm/rev) Feed rate f (mm/rev) ■ Recommended Cutting Conditions (Carbide Machining) Work material Cutting conditions Class Hardness (HRA) SEI Grades Cutting speed vc (m/min) Feed rate f (mm/rev) Depth of cut ap (mm/rev) VM 70 83 or more and G7 VC 60 less than 88 G6 5 to 20 to 30 0.03 to 0.10 to 0.20 0.03 to 0.10 to 0.20 50 VM 40 88 or more G5 5 to 15 to 20 0.03 to 0.05 to 0.07 0.03 to 0.05 to 0.07 VC D2 Lower limit value - recommended value - upper limit value Cutting oil: Dry ■ Machining Accuracy External Turning of Carbide VC50 (87HRA) Boring of Carbide VM 30 (91HRA) M 0.025 30mm 30mm SUMIDIA Dimension variation Conventional grade 0.10 0.020 ● Dimension variation 0.08 (mm) 0.015 ø50mm 0.06 ø26mm ● (mm) Conventional grade 0.010 0.04 ●●● SUMIDIA 0.005 ● 0.02 SUMIDIA Binderless ● NPD10 ■●■●■●■●■●■●■●■■■■■■■■■■N■P■D■10 ■● ■●■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ NPD10 has no dimension NPD10 has no dimension SUMICRYSTAL 0 100 200 300 400 500 0 200 400 600 800 1,000 1,200 variation even with cutting Cutting distance (m) variation even with cutting distance of 1,100 m. distance of 450 m. Cutting distance (m) Work material: Carbide VC50 (87HRA) Work material: Carbide VM30 (91HRA) Insert: DCMW11T304RH Insert: DCMW11T304RH Cutting conditions: vc = 20 m/min, f = 0.1 mm/rev, ap = 0.1 mm, Dry Cutting conditions: vc = 20 m/min, f = 0.05 mm/rev, ap = 0.05 mm, Dry M5