Каталог Sumitomo сверла и развертки - страница 28
Навигация
Каталог Sumitomo модульные фрезерные системы
Каталог Sumitomo фрезы со сменными пластинами
Каталог Sumitomo запасные части
Каталог Sumitomo пластины с режущей кромкой-моноалмаз Sumicristal
Каталог Sumitomo микроинструмент
Техническая информация Sumitomo- J001
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Drill Coating
DEX Coating
- General Features The next-generation drill coating utilises nano-coating technology to provide more than double the tool life of conventional coatings.
- Silicon and chrome improve wear, heat, and adhesion resistance.
- New super multi-layered structure offers significantly improved chip resistance (coating strength).
- Characteristics
- Coating Design
- Characteristics of Films
DEX Coating
World's first combined super multi- 50
layered coating is made from alternate
layers of super multilayered substrates.
40 TiSiN
TiAlCr Super Multi-Layer Coating
30 TiAlN
TiSi TiCN
Super Multi-Layer Coating 20
SEM Profile 〜〜 TiN
DEX Coat Application Examples Poor ← Chipping Resistance → Good
- MultiDrill GS Type Drilling Examples
Comparison of Wear Resistance Comparison of Adhesion Resistance
Edge Wear Comparison for 70m Drilling Edge Wear Comparison for 100m Drilling
Shoulder and rake face feature improved wear Offers significantly improved fracture resistance to counter problems
resistance enabling long tool life. caused by shoulder and flute adhesion in soft steel drilling.
DEX Coating DEX Coating
MultiDrill GS Type MultiDrill GS Type
| Comp. A | Comp. B |
| Drill | Drill |
| J | |
| GS Type MultiDrill | GS Type MultiDrill |
| Able to continue | |
| with DEX Coating | with DEX Coating |
| Breakage Comp. B Drill Comp. A Drill | |
| （ m） （ m） |
| 0 | 20 | 40 | 60 | 80 | 100 | 120 | 0 | 20 | 40 | 60 | 80 | 100 | 120 | 140 | 160 | 180 | |||
| Drilling Length | Drilling Length | ||||||||||||||||||
| Tool: MDW0800GS4 | Tool: MDW0600GS4 |
| Solid | Work Material: S50C（200HB） | Work Material: SCM415（120HB） | ||
| Cutting Conditions: v =70m/min f=0.25mm/rev H=32mm | Cutting Conditions: v =60m/min f=0.18mm/rev H=18mm | |||
| c | c |
Special External Coolant (Water Soluble) External Coolant (Water Soluble)
Indexable
Long MultiDrill XHT Type Drilling Examples SEC MultiDrill SMD Type Drilling Examples Reamer Reduced margin wear during deep hole MQL drilling increases number of regrinds. Offers longer tool life with SEC MultiDrills. Brazed
Pcs. Others 1.4x tool life! 1,400
DEX Coating 1,200 1,150
1,000 800 800 600
400 200 0
Conventional Coating DEX Coating Conventional Coating
Tool: MDW0497XHT20 (ø4.97 L/D=20) Tool: SMDH210M (ø21.0) Work Material: SCM440 Equivalent Material (275HB) Crank Shaft Work Material: SMnB (350HB) Construction Machine Component Cutting Conditions: v =70m/min f=0.23mm/rev H=75mm Cutting Conditions: v =65m/min f=0.25mm/rev H=25mm c c MQL Internal Coolant (Water Soluble)