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DRILLING | T-A® Replaceable Insert Drilling System

XTP TAP TAS HPU APX 4TX REV OPN SSD ACP BTA WHL CRT ALV BRN THM T-A®: Recommended Drilling Data | Metric (mm) Carbide Inserts | Diamond Coating Material Carbide Grade M/min Polymer Matrix Composites Carbon (hard) N2 305 - 450 Carbon Fiber N2 305 - 450 Carbon / Glass Fiber N2 305 - 450 Fiberglass N2 305 - 450 Graphite N2 305 - 450 Plastics N2 76 - 305 Epoxy Resin N2 76 - 305 Bismaleimide Resin N2 76 - 305 Polyester Resin N2 76 - 305 Phenolic Resin N2 76 - 305 Rubber N2 76 - 305 Metal Matrix Composites Aluminum N2 305 Si < 10% N2 305 10% < Si < 15% N2 259 - 305 15% < SI < 20% N2 198 - 259 20% < Si < 25% N2 152 - 198 25% < Si N2 61 - 152 Brass N2 76 - 152 Bronze N2 76 - 152 Copper N2 30 - 76 Copper Alloys N2 30 - 76 Lead Alloys N2 30 - 76 Magnesium Alloys N2 30 - 76 Precious Metals N2 30 - 76 Ceramic Matrix Composites Carbide (green) N2 15 - 76 Ceramic (green) N2 15 - 76 Ceramic (pre-sintered) N2 15 - 76 Deep Hole Drilling Speed and Feed Adjustment Holder Length Extended Long Long Plus XL 3XL Speed 0.90 0.85 0.80 0.80 0.75 Feed - 0.95 0.90 0.90 0.90

Feed Rate (mm/rev) by Diameter

Diamond Coating 9.5 mm - 12.5 mm 13 mm - 17.5 mm 18 mm - 24 mm 25 mm - 35 mm

0.10 - 0.15 0.10 - 0.15 0.10 - 0.15 0.10 - 0.15 0.10 - 0.15 0.10 - 0.15 0.10 - 0.15 0.10 - 0.15 0.10 - 0.15 0.10 - 0.15 0.10 - 0.15

0.20 - 0.25 0.20 - 0.25 0.20 - 0.25 0.20 - 0.25 0.20 - 0.25 0.20 - 0.25 0.20 - 0.25 0.20 - 0.25 0.20 - 0.25 0.20 - 0.25 0.20 - 0.25

0.25 - 0.30 0.25 - 0.30 0.25 - 0.30 0.25 - 0.30 0.25 - 0.30 0.25 - 0.30 0.25 - 0.30 0.25 - 0.30 0.25 - 0.30 0.25 - 0.30 0.25 - 0.30

0.30 - 0.36 0.30 - 0.36 0.30 - 0.36 0.30 - 0.36 0.30 - 0.36 0.30 - 0.36 0.30 - 0.36 0.30 - 0.36 0.30 - 0.36 0.30 - 0.36 0.30 - 0.36

0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20

0.33 0.33 0.33 0.33 0.33 0.33 0.33 0.33

0.41 0.41 0.41 0.41 0.41 0.41 0.41 0.41

0.51 0.51 0.51 0.51 0.51 0.51 0.51 0.51

0.10 - 0.15 0.10 - 0.15 0.10 - 0.15 0.10 - 0.15 0.10 - 0.15 0.10 - 0.15 0.10 - 0.15 0.10 - 0.15

0.20 - 0.25 0.20 - 0.25 0.20 - 0.25 0.20 - 0.25 0.20 - 0.25 0.20 - 0.25 0.20 - 0.25 0.20 - 0.25

0.25 - 0.30 0.25 - 0.30 0.25 - 0.30 0.25 - 0.30 0.25 - 0.30 0.25 - 0.30 0.25 - 0.30 0.25 - 0.30

0.30 - 0.36 0.30 - 0.36 0.30 - 0.36 0.30 - 0.36 0.30 - 0.36 0.30 - 0.36 0.30 - 0.36 0.30 - 0.36

Recommended Speed and Feed Example

If the recommended speed and feed is 50 M/min and 0.20 mm/rev for a standard length holder, then the speed and feed using a 3XL holder in the same application would be 37.5 M/min and 0.18 mm/rev.

50 • 0.75 = 37.5 M/min

0.20 • 0.90 = 0.18 mm/rev

Tool failure can cause serious injury. To prevent: - When using holders without support bushing, use a short T-A® holder to establish an initial hole that is a minimum of 2 diameters deep. - Do not rotate tool holder more than 50 RPM unless it is engaged with the workpiece or fixture. Visit www.alliedmachine.com/DeepHoleGuidelines for the most up-to-date information and procedures. Factory technical assistance is available for your specific applications through our Application Engineering Team. WARNING

IMPORTANT: The speeds and feeds listed above are a general starting point for all applications. Refer to the Coolant Recommendation charts for coolant requirements to run at the recommended speeds and feeds. Factory technical assistance is available through our Application Engineering department. See adjustment examples on the following page.

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