Каталог Winstar монолитный инструмент 2020 - страница 353

Technical Data Troubleshooting in Drilling 昌⏙␯⽴䛿⿇┮⡯╙⶜䳥 Trouble / ㉔㹐 Occurrences / ┮⡯ Countermeasures / ⶜䳥 ([FHVVLYHZHDURIFXWWLQJHGJH Regrinding ⎏⎒䩷㖜⪹⪶ ⌜䦣䩷 Too much feed Decrease feed 懁⎏憮〵⪹⪶ 柜⃝懁⎏憮〵 Poor surface conditions Chips clog in hole Add number of exit of work piece ⎖⏙柊⧭ ⨭␯憏⎏㲰㜇 ⳣ⩐並乨 1.Thin web Ҷ匈㤎⏙圓 The others 2.Check for proper guide-bush ⌅⁥ Ҷℎ䚷懸▗⶝⫦ 3.Use the highly rigid spindle Ҷ㔰䚷汧⏪ㆶῊ悇 Feed too heavy Decrease feed rate 懁仵捞⪹⪶ 㾪ⶠ㵞懀懁仵捞 1.Check for proper chip space Chips clog in hole Ҷ␯⪶㮌⵻㵣 ⎖⏙柊⧭ 2.Check for proper helix angle Ҷ戇㙖懸䜅Ὶ奉㝚孡〵 1.Reduce feed Breakage ,QVXႈFLHQWULJLGLW\RIGULOO Ҷ㾪ⶠ㵞懀懁◙捞2.Shortening length of drill ⎖⏙ᾼ昌榼㐧㝆 昌榼⏪ㆶᾜ彂 Ҷ侽䥼昌榼朆〵虇⨭␯⏪ㆶ 3.Increasing web thickness Ҷ匈㤎┩〵␯⪶ 1.Reduce feed while throughout drilling Ҷ柜⃝帺䰎㟑䠓㵞懀懁仵捞 Unstable in throughout hole drilling 2.Check set up rigidity 帺䰎㟑ⴘ⴩ㆶᾜ⪯ ) ⽴₅ᾜⴛ⋷娺⫍⃞ * Ҷ⽴⃫Ⅼ㒐⢉⴩ 3.Use the highly rigid spindle Ҷ㔰䚷汧⏪ㆶῊ悇 Feed speed too high Decrease feed rate 懁仵憮〵⪹ㅺ 㾪ⶠ㵞懀懁仵捞 1.Reduce lip relief angle Ҷ㾪ⶠ朢栨孡〵 Tool high lip relief angle 2.Reduce feed in drilling Chipping ⎖⎒テ〵ᾜ彂 ) 懝〵䠓朢栨孡〵 * Ҷ柜⃝帺䰉㟑䠓㵞懀懁仵捞 ⎖⚖⺸⎒ 3.Check set up rigidity Ҷ⽴⃫Ⅼ㒐⢉⴩ 1.Properly grind point angle During oversize operation Ҷ␯⪶ⶥ䱾孡〵 ℎ䚷⢷㚃ⳣ⃫㫼㟑 2.Reduce cutting speed Ҷ柜⃝⎖⏙憮〵 1.Regrinding Ҷ⌜䦣䩷 Hole oversize Point angle is not properly, large chipRIRQHÀXWHVPDOOFKLSRIRWKHUÀXWHⳣㄠ㚃⪶ⶥ䱾孡〵㢹⶜䯀㎥⎒⪶⶞ᾜᾏ2.Thin webҶ匈㤎⏙圓3.Properly grind point angleҶ㾪ⶠⶥ䱾孡〵 4.Guide-bush Ҷℎ䚷昌⫦