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ECC

Chamfer mill featuring a screw clamp system and large parallelogram inserts

Indexable chamfer mill that covers a large range of diameters.

Applications & Features

Applications

ChamferingHole chamfering

Features

Indexable chamfer mill to improve productivity

1. Chamfer mills offered in angles of 30°, 41°, 45°, and 60°
2. Supports plunge and interpolated chamfering across a wide range of hole diameters
3. Ability to cut large chamfers along a profile

Inserts & Grades

Inserts

XCET31

Grades

AH3135

  • High fracture resistance
  • Suitable for machining steel and stainless steel under general cutting conditions

AH330

  • Excellent wear resistance

AH120

  • Good balance between wear and fracture resistance
  • Suitable for machining steel, stainless steel, and cast iron under general cutting conditions

NS740

  • High resistance to fracture and thermal crack
  • High-rigidity grade for milling

TH10

UX30

Toolholders

Shank Type

ECC31

Indexable chamfering cutter with large parallelogram insert

Standard cutting conditions

ISO Workpiece material Hardness (HB) Grade RPM: n (min-1) Feed per tooth: fz (ipt)
Carbon steels, Alloy steels
S55C, C55, etc.
SCM440, 42CrMo4, etc.		 < 300 NS740 1000 – 3000 – 7000 0.004 – 0.0098
UX30 700 – 2000 – 4900 0.004 – 0.0098
Die steels
SKD61, etc.
X40CrMoV5-1, etc.		 < 300 AH3135 1000 – 3000 – 7000 0.004 – 0.0079
Stainless steels
SUS304, etc.
X5CrNi18-10, etc.		 < 250 AH3135 1000 – 3000 – 7000 0.004 – 0.0098
Cast irons
FC250, etc.
250, etc.		 150 – 250 AH330 1000 – 3000 – 7000 0.004 – 0.0098
  • When the hole diameter to be chamfered is small or the cutting edges near the front end of the tool are used, use the higher side of the RPM range shown in the table.
    In contrast, when the hole diameter to be chamfered is large or the cutting edges far from the tool’s front end are used, use the lower side of the RPM range shown in the table.
  • When chamfering a small diameter hole (smaller than ø0.394″ (ø10 mm)) in a plunge milling mode, peck-feeding should not be used.
  • When the hole diameter to be chamfered is smaller than ø0.394″ (ø10 mm) or the cutting edges near the tool’s front end are used, the feed should be set within 0.006 ipt (0.15 mm/t).

For more information about this product, visit our online e-catalog or download the product report:

e-Catalog

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