Structural Steel Plates: GEN2 T-A 
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The Challenge

The customer is machining structural plates made from A36 structural steel. They are using a Peddinghaus machine with mist coolant.

Looking for performance improvements, the customer asked Allied to reduce cycle time and increse tool life.

The GEN2 T-A drilling system made a significant difference for the customer. The customer was impressed that the less expensive Allied drill outperformed the much higher priced Kennametal tool.

Product: GEN2 T-A
Objective: (1) Decrease cycle time
(2) Increase tool life
Industry: Structural steel/fabricator
Part: Structural steel plates
Material: A36 structural steel
Hole Ø: 0.875" (22.225mm)
Hole Depth: 1.000" (25.400mm)

The Solution
The GEN2 T-A drilling system
  • Holder: 23015S-100F
  • Insert: 4C11H-0028
Measure Competitor GEN2 T-A
RPM 630 725
Feed Rate 0.0067 IPR (0.170 mm/rev) 0.0083 IPR (0.211 mm/rev)
Penetration Rate 4.2 IPM (106.680 mm/min) 6 IPM (152.400 mm/min)
Cycle Time 14.3 sec 10 sec
Tool Life 1000 holes 1150 holes
The GEN2 T-A offered 53.85% cost per hole savings over the competitor tooling.

The Advantages
The GEN2 T-A drilling system provided:
  • 30 % cycle time decrease
  • Decreased cost per hole
  • Increased tool life