Общий каталог OSG 2018 - 2019 - страница 150

EXOCARB ® XH Tap Extractor List 5172 SPEED FEED P304 CARBIDE BR SHANK h7 EX-H-DRL, Tap Extractor 118˚ ØD Ød FL L Flute Overall Shank Tap Types EDP Diameter Length Length Diameter Straight Fluted Spiral Pointed Spiral Fluted Number mm FL L d Metric ANSI Metric ANSI Metric ANSI 87702 2 10 30 2 M3 #4, #5, #6 M3 #4, #5 M3 #4, #5, #6 87703 3 15 40 3 M4, M5 #8, #10 M4 #8, #10 M4, M5 #8, #10 87704 4 20 45 4 M6 1/4, 5/16 M5, M6 1/4 M6 1/4 and 5/16 87705 5 25 50 5 M8, M10 3/8 - 5/16 M8, M10 3/8 87706 6 30 60 6 M12 7/16, 1/2 M8 3/8 M12 7/16, 1/2 87707 7 35 80 7 M14 9/16 M10 7/16 M14 9/16 87708 8 40 80 8 M16 5/8 M12 1/2 M16 5/8 87709 9 45 100 9 M18 3/4 M14 9/16 M18 3/4 87710 10 50 100 10 M20 - M16 5/8 M20 - 87781 11 55 110 11 M22 7/8 M18 - M22 7/8 87782 12 60 110 12 M24 1.00 M20 3/4 M24 1.00 87700 2-6 Set - - - - - - - - - ­­Packed: 1 pc. Drills are available in 5pc sets (EDP 87700) for Ø2 through Ø6. For drill diameter selection, use the method outlined below. Straight Fluted & Spiral Fluted Taps: 0.46(Tap Ø)<(Drill Ø)<0.75(Tap Ø) Spiral Pointed Taps: 0.6(Tap Ø)<(Drill Ø)<0.75(Tap Ø) 1. Broken Tap Check how tap is broken. If any portion of the tap is protruding, grind the damaged surface of the tap flush with the workpiece. This will allow the damaged tap to be drilled easier. Cutting Conditions and Procedures to Note 2. Centering of Drill 1. Use a drilling speed of 65-80SFM. Position the drill over the center of the tap. Please make sure both 2. Hand feed of 0.0005~0.001 in/rev is normal. the workpiece and drill are properly secured. Make an initial light drill 3. Use a rigid holder. approach, and then quickly retract the drill. For this step, do not use 4. Select a high quality cutting oil and apply in lubrication. sufficient amounts. 3. Hole Processing 5. This tool should not be used to drill soft steels, Drill the hole at a fixed feed and speed, stopping the aluminum alloys or other soft materials. operation occasionally to remove broken chips. In addition, use 6. Resharpening should be done periodically. plenty of high quality cutting oil. 7. For through hole processing of heat treated steels, use a spare piece of material underneath the 4. Chip Removal material being drilled as this will prevent breakage Once the tap has been broken up, the remaining portions of the caused by sudden torque. tap can be removed. For best results, use a scriber. Once the hole is 8. Cannot be used to remove forming taps. cleaned, tapping can be resumed. Work Material P M K N S H Carbon Steels Alloy Nickel Titanium Steels Stainless Steels Aluminum Alloy Hardened Steels List No. Low Med. High Die Cast Steels Iron 1010 1018 1035 1045 1065 4140 4340 300 400 17-4 PH 6061 7075 Casting Inconel 6Al4V (30 HRC) ~35 HRC 35-45 HRC 45-50 HRC 50-70 HRC 5172 good best 150 EXOCARB® XH WWW.OSGTOOL.COM