SCI 21-22 General Catalog

Drill for Heat-Resistant Alloys SGS Type

■ General Features SGS type drills for heat-resistant alloys employ a sharp cutting edge to reduce heat during drilling (reduce cutting force) and provide a long, stable tool life.

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■ Features and Applications Long tool life ● Combination of optimised cutting edge design and dedicated grade significantly reduces wear. ● Minute honing (edge treatment) amount and special thinning shape reduce cutting force. This reduces cutting edge breakage. ● Perfect for drilling Ni-based heat-resistant alloys (Inconel/Waspaloy/Hastelloy).

■ Product Range

Diameter Range (mm)

Cat. No.

Hole Depth (L/D)

MDW □□□□ SGS3

ø3.0 to 12.0

up to 3

■ Performance

Comparison of Cutting Force (Thrust)

Tool Life Comparison

Low Resistance (Reduced Load on Cutting Edge)

Long Tool Life (No Fracturing or Breakage)

1,000 1,200 1,400 1,600 1,800 2,000

Competitor's Product B Breakage after 5 Holes

Tool

SGS Type

Competitor's Product A

No. of Workpieces

Able to Continue after 50 Holes

Breakage after 30 Holes

0 200 400 600 800

SGS Type

Competitor's Product A

Competitor's Product B

Photo

8 12 16 20 24

8 12 16 20 24

8 12 16 20 24

Time [s]

Tool Diameter Part Material

: ø6.0

Tool Diameter Part Material

: ø6.0

: Inconel 718

: Inconel 718

Cutting Conditions : v

c =33 SFM,

f =0.003 IPR, H =0.315" (through),

Cutting Conditions : v

c =33 SFM,

f =0.003 IPR, H =0.630" (stop hole),

external coolant supply

external coolant supply

■ Application Examples

Comparison of Cutting Edge Wear after 30 Holes

Significantly Reduced Flank Wear

SGS Type

SGS Type

Able to Continue

Conventional Tool

Wear

0

20

40

60

80

100

Conventional Tool

No. of Holes

Tool

: MDW 0600SGS3

Part Material

: Inconel 718 (aeronautic components)

Cutting Conditions : v

c =33 SFM,

f =0.0023 IPR, H =0.118" (through),

external coolant supply

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