{"id":12924,"date":"2024-06-29T01:44:39","date_gmt":"2024-06-29T01:44:39","guid":{"rendered":"https:\/\/haynesintl.com\/alloys\/%e7%84%8a%e6%8e%a5%e4%b8%8e%e5%88%b6%e9%80%a0\/machining\/"},"modified":"2025-02-21T16:59:38","modified_gmt":"2025-02-21T16:59:38","slug":"%e6%9c%ba%e5%8a%a0%e5%b7%a5","status":"publish","type":"alloys","link":"https:\/\/haynesintl.com\/zh-hans\/alloys\/%e7%84%8a%e6%8e%a5%e4%b8%8e%e5%88%b6%e9%80%a0\/%e6%9c%ba%e5%8a%a0%e5%b7%a5\/","title":{"rendered":"\u673a\u52a0\u5de5"},"content":{"rendered":"\n

Recommended Tools and Machining Parameters Applicable to:<\/strong>
Corrosion-resistant Alloys<\/strong>
High-temperature Alloys<\/strong><\/p>\n\n\n\n

Be aware that the cobalt-base alloys in these categories (25 and 188) can require different feeds and speeds (as noted in the table) than the nickel- and iron-based alloys.<\/em><\/p>\n\n\n\n

\n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n
\n Operations <\/th>\n \n Tool Types <\/th>\n \n Tool Geometryand Set-Up <\/th>\n \n Speed <\/th>\n \n Feed <\/th>\n \n Depth of Cut <\/th>\n \n Lubricant <\/th>\n <\/tr>\n
\n - <\/td>\n \n - <\/td>\n \n - <\/td>\n \n surface ft.\/min* <\/td>\n \n in** <\/td>\n \n in** <\/td>\n \n - <\/td>\n <\/tr>\n
\n Roughing with\u00a0severe interruptions; Turning or Facing <\/td>\n \n Carbide: C-2 or C-3grade <\/td>\n \n
Negative rake square or trigon insert,  45° SCEA1<\/sup>, 1\/16 in nose radius Tool holder: 5° negative back rake, 5° negative side rake<\/div> <\/td>\n
\n 30-50 <\/td>\n \n 0.004-0.008per revolution <\/td>\n \n 0.15 <\/td>\n \n
Dry2<\/sup>, oil3<\/sup>, or water-based4,5<\/sup><\/div> <\/td>\n <\/tr>\n
\n Normal roughing; Turning or Facing <\/td>\n \n As above <\/td>\n \n As above\u00a0 <\/td>\n \n
90 (80 for cobalt alloys)6<\/sup><\/div> <\/td>\n
\n 0.010per revolution <\/td>\n \n <0.15 <\/td>\n \n Dry, oil, or water-based <\/td>\n <\/tr>\n
\n Finishing; Turning or Facing <\/td>\n \n As above\u00a0 <\/td>\n \n
Positive rake square or trigon insert, if possible, 45° SCEA1<\/sup>, 1\/32 in nose radius Tool holder: 5° positive back rake, 5° positive side rake<\/div> <\/td>\n
\n 95-110 (90 for cobalt alloys) <\/td>\n \n 0.005-0.007 per revolution <\/td>\n \n 0.04 <\/td>\n \n Dry or water-based <\/td>\n <\/tr>\n
\n Rough Boring <\/td>\n \n As Above <\/td>\n \n If insert-type boring bar, use standard positive rake tools with largest possible SCEA\u00a0and 1\/16 in nose radius. \u00a0If brazed tool bar, grind 0\u00b0 back rake, 10\u00b0 positive side rake, 1\/32 in nose radius and largest possible SCEA <\/td>\n \n 70 (60 for cobalt alloys) <\/td>\n \n 0.005-0.008 per revolution <\/td>\n \n 0.125 <\/td>\n \n Dry, oil, or water-based <\/td>\n <\/tr>\n
\n Finish Boring <\/td>\n \n As Above <\/td>\n \n Use standard positive rake tools on insert-type bars. Grind brazed bars as for finish turning, except back rake may be best at 0\u00b0 <\/td>\n \n 95-110 (90 for cobalt alloys) <\/td>\n \n 0.002-0.004 per revolution <\/td>\n \n 0.04 <\/td>\n \n Water-based <\/td>\n <\/tr>\n
\n
High Speed Steel: M-2, M-7, or M-40  series7<\/sup><\/div> <\/td>\n
\n Radial and axial rake0\u00b0 to 10\u00b0 positive, 45\u00b0 corner angle, 10\u00b0 relief angle <\/td>\n \n 20-30 (20-25 for cobalt alloys) <\/td>\n \n 0.003-0.005 per tooth <\/td>\n \n - <\/td>\n \n Oil or water-based <\/td>\n <\/tr>\n
\n Carbide: C-2 grade (marginal performance) <\/td>\n \n Use positive axial and radial rake, 45\u00b0 corner angle, 10\u00b0 relief angle <\/td>\n \n 50-60 (35-40 for cobalt alloys) <\/td>\n \n 0.005-0.008per tooth (0.005 per tooth for cobalt alloys) <\/td>\n \n - <\/td>\n \n Oil or water-based <\/td>\n <\/tr>\n
\n End Milling <\/td>\n \n High Speed Steel: M-40 series or T-15 <\/td>\n \n If possible, use short mills with four or more flutes\u00a0for rigidity <\/td>\n \n 20-25 (15-20 for cobalt alloys) <\/td>\n \n Feed per tooth: \u00bc in dia. 0.002 \u00bd in dia. 0.002 \u00be in dia. 0.0031 in dia. 0.004(cobalt alloys: \u00bc in dia. 0.001 \u00bd in dia. 0.0015 \u00be in dia. 0.0021 in dia. 0.003) <\/td>\n \n - <\/td>\n \n Oil or water-based <\/td>\n <\/tr>\n
\n Carbide: C-2 grade\u00a0 <\/td>\n \n Use sharp tools with 4 or more flutes\u00a0and variable lead, if possible <\/td>\n \n Carbide: C-2 grade (marginal performance) <\/td>\n \n Use positive axial and radial rake, 45\u00b0 corner angle, 10\u00b0 relief angle <\/td>\n \n - <\/td>\n \n Oil or water-based <\/td>\n <\/tr>\n
\n Drilling <\/td>\n \n High Speed Steel: M-33, M-40 series,\u00a0or T-15 <\/td>\n \n Use short, heavy-web drills\u00a0with 135\u00b0 crank shaft point; thinning of web at point may reduce thrust and aid chip\u00a0control <\/td>\n \n 10-15 (7-10 for cobalt alloys) Maximum of\u00a0200 rpm for\u00bc in dia. drills or smaller <\/td>\n \n Feed per rev.: \u215b in dia. 0.001 \u00bc in dia. 0.002 \u00bd in dia. 0.003 \u00be in dia. 0.0051 in dia. 0.007(same for cobalt alloys) \u00a0 <\/td>\n \n - <\/td>\n \n Oil or water-based Use coolant feed drills if possible <\/td>\n <\/tr>\n
\n Carbide :C-2 grade\u00a0 <\/td>\n \n Not recommended, but tipped drills may be successful on rigid set-ups if depth is not great. The web must be thinned to reduce thrust; use 135\u00b0 included angle on point Gun drill can be used. <\/td>\n \n 50\n(40 for cobalt\nalloys) <\/td>\n \n As above <\/td>\n \n - <\/td>\n \n Oil or water-based Coolant-fed, carbide-tipped drills may be economical in some set-ups <\/td>\n <\/tr>\n
\n Reaming <\/td>\n \n High Speed Steel: M-33, M-40 series,\u00a0or T-15 <\/td>\n \n Use 45\u00b0 corner angle, narrow primary land, and 10\u00b0 relief angle <\/td>\n \n 10-15 (8 for cobalt\u00a0alloys) <\/td>\n \n Feed per rev.: \u00bd in dia. 0.0032 in dia. 0.008 (same for cobalt alloys) \u00a0 <\/td>\n \n - <\/td>\n \n Oil or water-based <\/td>\n <\/tr>\n
\n Carbide: C-2 or C-3grade \u00a0 <\/td>\n \n Tipped reamers recommended; solid reamers require very good set-up. Tool geometry same as above. <\/td>\n \n 40\n(20 for cobalt\nalloys) <\/td>\n \n As above <\/td>\n \n - <\/td>\n \n Oil or\nwater-based <\/td>\n <\/tr>\n
\n Tapping <\/td>\n \n High Speed Steel: M-1, M-7, or M-10 <\/td>\n \n Use two flute, spiral point, plug tap 0\u00b0 to 10\u00b0 hook angles. Nitrided surface may be helpful by increasing wear resistance, but may result in chipping orbreakage Tap drill for 60-65% thread if possible, to increase tool life. <\/td>\n \n 7 (same for cobalt alloys) <\/td>\n \n - <\/td>\n \n - <\/td>\n \n Use best possible tapping compound; sulfo-chlorinated oil-base preferred <\/td>\n <\/tr>\n
\n Carbide: not recommended <\/td>\n \n - <\/td>\n \n - <\/td>\n \n - <\/td>\n \n - <\/td>\n \n - <\/td>\n <\/tr>\n
\n Electrical\nDischarge\nMachining <\/td>\n \n HAYNES\u00ae<\/sup> and HASTELLOY\u00ae<\/sup> alloys can be readily cut using any conventional\nElectrical discharge machining (EDM) system, or by wire EDM <\/td>\n <\/tr>\n <\/table>\n<\/div>