Каталог Winstar инструмент со сменными пластинами 2020 - страница 241

Technical Data Troubleshooting in Insert ⎏䏖␯⽴䛿⿇┮⡯╙⶜䳥 Trouble / ㉔㹐 Occurrences / ┮⡯ Countermeasures / ⶜䳥 1.Use heat resistant grades !!ℎ䚷⌆㢘冟䍀柊㐦䠓⎏䏖㣟幹 Intermittent heating of the cutting edge. 2.Use positive or large rake tools High speed, high volume metal removal. !!ℎ䚷㳲孡㎥悒摂⎸䠓⎏䏖 ⎖⏙孡朢㳖ㆶ汧䍀虇汧⎖⏙佩憮〵☛悒⪶ 3.Increase nose radius Thermal Crackin 䠓捠ⷻ䮊柳捞虇憯㎟䠓䍀婑 !!ℎ䚷悒⪶ⓙㄠ⎏╲䠓⎏䏖4.Reduce speed, feed or depth of cut 䍀婑 !!柜⃝⎖⏙佩憮〵ҷ懁仵㎥⎖㾀 1.Use tougher grades !!ℎ䚷楛ㆶ悒汧䠓⎏䏖㣟幹 2.Use negative or smaller rake tools !!ℎ䚷帯孡㎥悒掜䠓⎏䏖 Cutting tool excessively brittle. 3.Increase nose radius ⎏䏖㣟幹⪹䧻劕 !!ℎ䚷悒⪶ⓙㄠ⎏╲䠓⎏䏖 4.Use increased edge land Chipping !!ℎ䚷悒⪶⎏╲。╿䠓⎏䏖 劕婑 5.Increase cutting speed !!⨭␯⎖⏙佩憮〵 1.Use harder and more wear resistant grade Cutting tool too soft. !!ℎ䚷悒䧻㎥悒冟䩷䠓⎏䏖㣟幹 ⎏䏖㣟幹⪹恮 2.Reduce cutting speed!!柜⃝⎖⏙佩憮〵 Surface speed too fast. 3.Increase feed!!⨭␯懁仵 Excessive Flank Wear ⎖⏙佩憮〵⪹ㅺ 4.Use coolant 懝〵䩷冦 !!ℎ䚷⍆┊㽁 1.Increase approach angle Cutting material working harden cause !!⨭␯懁⎏㟑⎖⏙戙栨孡 serious wear of insert. 2.Reduce cutting speed and feed !!柜⃝⎖⏙佩憮〵╙懁仵捞 Notching⎈栆 娺␯⽴㣟㜨䚱䚮䧻⒥军憯㎟⎏䏖⡃捜䩷㖜 3.Use high lubricity coolant!!ℎ䚷䃳䁠ㆶ悒汧䠓⍆┊㽁 1.Increase cutting speed Cutting speed too slow for material !!㕟汧⎖⏙佩憮〵 being machined. 2.Use friction reducing grade !!ℎ䚷㗸㙵␪悒⃝䠓⎏䏖㣟幹 ⷀ娺␯⽴㣟㜨军宏虇⎖⏙佩憮〵⪹⃝Built-Up-Edge䯜ⷠ 3.Use high lubricity coolant!!ℎ䚷䃳䁠ㆶ悒汧䠓⍆┊㽁 1.Reduce cutting speed or feed !!柜⃝⎖⏙佩憮〵㎥懁仵捞 Heavy feeds or higher cutting speed. 2.Use polished tools to reducing friction ⎖⏙佩憮〵⪹ㅺ㎥㞾懁仵捞⪹⪶ !!ℎ䚷㑚⋘⎏䏖柜⃝䩷㙵柊␪ Deformation崙ヱ 3.Use more heat resistant grade!!ℎ䚷㢃汧冟䍀柊㐦䠓⎏䏖㣟幹 1.Use a harder grade Excessive heat and pressure welding of !!ℎ䚷悒䧻䠓⎏䏖㣟幹 chip to rake. 2.Reduce cutting speed and feed !!柜⃝⎖⏙佩憮〵╙懁仵捞 ⎖⏙䚱䚮䠓汧䀺☛汧⩢虇憯㎟旄ⷠ䊙灞⢷⎏╲ᾙ 3.Use high lubricity coolant Crater Wear !!ℎ䚷䃳䁠ㆶ悒汧䠓⍆┊㽁 䍀婑 ✽ Pictures from Kennametal Tooling Catalogue