TBT Deephole and BTA Drilling

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AUTOMOTIVE DIVISION
TBT
TBT Deephole and BTA Drilling TBT Endfinishing
NAGEL Precision Inc. Nagel Superfinishing with
stone and tape Nagel Honing
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• NAGEL Precision Inc.
• Is a wholly owned subsidiary of
• NAGEL Holding GmbH
• Revenues of 40 million US in 2001
• More than 130 Employees Ann Arbor
• QS 9001 / ISO 14000 / Q1
• TBT Tiefbohrtechnik GmbH
• Is a wholly owned subsidiary of
• NAGEL Holding GmbH
• Revenues of 38 million US in 2001
• More than 200 Employees world-wide
• ISO 9001

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TBT NAGEL
TBT UK
TBT France
TBT China
NAGEL Precision Inc. TBT Automotive Division
NAGEL Precision Mexico
Nagel do Brasil
Nagel India
NAGEL / TBT Production and service facilities
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World leader for gundrilling
Use of standardized and proven machine components
In-house research department
TBT Reliability
200.000 holes drilled/yr in sub-contract
facilities
3500 deep hole drilling machine projects delivered
130.000 deep hole drills per year
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TBT
DIVISION
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TR12 EL200 NC machine 12 Spindles Frequency
controlled direct drive Example Material
X40CR13 Ø3 Ø5 mm Feed rate 140 180 mm/min
(5.5 7/min) Drilling time Ø3.5 x 70 mm 27
seconds Idle time (chip to chip) 3
seconds Drilling time per bore 30
seconds 18.000 holes 12.5 hours Tool
life for X40Cr13 50 80 m gt 1 shift