1765 Каталог MITSUBISHI 2020 Режущий инструмент Фрезы Резцы Сверла Пластины Стр.R013

Каталог MITSUBISHI 2020 Режущий инструмент для станков Стр. R013 1765 Lab2u

HONING AND LAND Honing and land are cutting edge shapes that maintain cutting edge strength. Honing can be round or chamfer type. The optimal honing width is approximately 1/2 of the feed. Land is the narrow flat area on the rake or flank face. 5000 U) O re a £ M- o D n £ D O R Honing C Honing 1000 500 100 L L L L 0.5 ' 0.02 0.05 0.1 0.2 Honing Size (mm) Workpiece : JIS SIMCM439 (280HB) Grade: P10 Cutting Conditions : vc=200m/min ap=1.5mm f=0.335mm/rev Honing Size and Tool Life Due to Fracturing 100 50 20 10 VbKt R Honing o CD - C Honing 3 I ft I ill i 0 " 0.02 0.05 0.1 0.2 0.5 Honing Size (mm) Workpiece : JIS SNCM439 (220HB) Grade: P10 Cutting Conditions : vc=160m/min ap=1.5mm f=0.45mm/rev Honing Size and Tool Life Due to Wear 0 0.02 0.05 0.1 0.2 0.5 Honing Size (mm) Workpiece: JIS SNCM439 (220HB) Grade : P10 Cutting Conditions :vc=100m/min ap=1.5mm f-0.425mm/rev Honing Size and Cutting Resistance Effects of Honing 1. Enlarging the honing increases cutting edge strength, tool life and reduces fracturing. 2. Enlarging the honing increases flank wear occurrence and shortens tool life. Honing size doesn't affect rake wear. 3. Enlarging the honing increases cutting resistance and chattering. When to Decrease Honing Size OWhen finishing with small depth of cut and small feed. O Soft workpieces. O When the workpiece or the machine have poor rigidity. When to Increase Honing Size O Hard workpieces. O When the cutting edge strength is required such as for uncut surfaces and interrupted cutting. OWhen the machine has high rigidity. R Note 1) Cemented carbide, coated diamond, and indexable cermet inserts have round honing as standard. R013 TECHNICAL DATA