pieceslet美人3
let美人3 时间:2021-01-15 阅读:()
4/3/20141Let'schataboutChatterAreyouexcited!
Thiswineglassis!
4/3/20142Anexcitedpart!
ChatteraboutchatterWhatischatterChatterisaresonantorharmoniceventthatoccurswhenthemachine,thecuttingtoolorworkpiecevibrates.
Thinkofthemachine,thetoolandworkpieceasasystem.
Whenoneoftheabovevibrates,itcanexcitetheother.
4/3/20143MoreChatteraboutchatterTherearethreethingsthatcausechatter!
Freeortransientvibrations.
Forcedvibrations.
Self-excitedvibrations.
Chatteranimation4/3/20144Affectstheaccuracyofthemachiningoperation.
Lowersproductivity.
PoorsurfacefinishPoortoollife.
Shortensthelifeofthemachinetool.
Chattercostindustrymillionsofdollarsayear!
ChatteriscostlyTwokindsofchatterToolChatteryourmachineandtoolaredoingthevibratingwhichistransmittedtotheworkpiece.
WorkPieceChatterthewalloftheworkpieceisvibratingsuchasthinwalledtubingorbellshapedparts4/3/20145CuresCuresWorkPiecechatterWorkPieceChatterMayactuallybemoredifficulttosolvebecausecomponentlimitsoptions…Maximizethebeefintheworkpiecethroughtoolpathsdon'tmachineawaytoomuchmaterialtoosoonMachinelongpiecesinsectionsbyusingabarpullerorthesub-spindleUsealternatemachiningmethodssuchaspinchturning,simultaneousturning,boxturning4/3/20146WorkPiecechatterSimultaneousturningmethodWorkPiecechatter4axisalternativeturningmethod4/3/20147WorkPiecechatter5axisalternativeturningmethodWorkPiecechatterChangethefrequencyoftheworkpieceIncreaserigiditybysupportingthewallsDampeningtheworkpieceofillingwithmaterialslikewax,plasticsandmetalalloysofillingthevoidwithamixtureofVaselineandleadshotorubberbandsaroundoutsideofcomponenttoabsorbvibrationsoUsevacuumtypefixturesoPartfittingsoftjaws,3DprintedjawsandsupportsoSteadyandfollowingrest4/3/20148ToolchatterToolChatterMaximizerigidityReducetooloverhangIncreasecomponentstabilityToolingReducingDeflectionpreferablylessthan.
001"Avibrationisavariabledeflection,thus,nodefectionmeansnovibration.
Thatmeansnodeflection=novibration!
Choosethelargestpossiblediameterandtheshortestpossibleover-hangtominimizedeflection.
ToolchatterToolChatterTunableholders4/3/20149ToolchatterEccentricnecktypeholdersToolchatterRigidClampingHoldersWhenusedwithprecisioncollets,Holdsthetoolsbetter,withincreasedholdingpressureandminimizesrunout.
4/3/201410HoldersmakeadifferenceFourdifferenttypeholdersHoldersmakeadifferenceTheFourholdersresults4/3/201411ToolchatterAnti-chattercuttersDifferentamountofflutes,Variablerakeandunequalhelix.
ToolchatterReducethesizeofthenoseRadiusorCutterDiameter4/3/201412ToolchatterReducethewidthofcutorengagementToolchatterEdgePrepeffectsforce,torque,toollife,surfaceroughness,andaccuracy.
4/3/201413SpeedsandfeedsfindtheRPM"sweetspot"sometimesslower,butfastercanbetheanswerFeedhardertoincreasetheloadonthetoolAlternatingpassesatdifferentDOCandspeedsChangeRPMsovibrationpatternchangesSomemachinesnowhavevibrationcontrolChatterSpeedsandFeedsTheMachineClampingforce.
Bothinthechuckandinthedrawbar.
ThefoundationThelevelofthemachineMakesurelevelingscrewsallhaveequalloadonthemMakesurethetoolisoncenter!
Chatterfromthemachine4/3/201414Therearemanycausesofchatter!
Don'tbeafraidtostoptrying!
ClosingChatter
Thiswineglassis!
4/3/20142Anexcitedpart!
ChatteraboutchatterWhatischatterChatterisaresonantorharmoniceventthatoccurswhenthemachine,thecuttingtoolorworkpiecevibrates.
Thinkofthemachine,thetoolandworkpieceasasystem.
Whenoneoftheabovevibrates,itcanexcitetheother.
4/3/20143MoreChatteraboutchatterTherearethreethingsthatcausechatter!
Freeortransientvibrations.
Forcedvibrations.
Self-excitedvibrations.
Chatteranimation4/3/20144Affectstheaccuracyofthemachiningoperation.
Lowersproductivity.
PoorsurfacefinishPoortoollife.
Shortensthelifeofthemachinetool.
Chattercostindustrymillionsofdollarsayear!
ChatteriscostlyTwokindsofchatterToolChatteryourmachineandtoolaredoingthevibratingwhichistransmittedtotheworkpiece.
WorkPieceChatterthewalloftheworkpieceisvibratingsuchasthinwalledtubingorbellshapedparts4/3/20145CuresCuresWorkPiecechatterWorkPieceChatterMayactuallybemoredifficulttosolvebecausecomponentlimitsoptions…Maximizethebeefintheworkpiecethroughtoolpathsdon'tmachineawaytoomuchmaterialtoosoonMachinelongpiecesinsectionsbyusingabarpullerorthesub-spindleUsealternatemachiningmethodssuchaspinchturning,simultaneousturning,boxturning4/3/20146WorkPiecechatterSimultaneousturningmethodWorkPiecechatter4axisalternativeturningmethod4/3/20147WorkPiecechatter5axisalternativeturningmethodWorkPiecechatterChangethefrequencyoftheworkpieceIncreaserigiditybysupportingthewallsDampeningtheworkpieceofillingwithmaterialslikewax,plasticsandmetalalloysofillingthevoidwithamixtureofVaselineandleadshotorubberbandsaroundoutsideofcomponenttoabsorbvibrationsoUsevacuumtypefixturesoPartfittingsoftjaws,3DprintedjawsandsupportsoSteadyandfollowingrest4/3/20148ToolchatterToolChatterMaximizerigidityReducetooloverhangIncreasecomponentstabilityToolingReducingDeflectionpreferablylessthan.
001"Avibrationisavariabledeflection,thus,nodefectionmeansnovibration.
Thatmeansnodeflection=novibration!
Choosethelargestpossiblediameterandtheshortestpossibleover-hangtominimizedeflection.
ToolchatterToolChatterTunableholders4/3/20149ToolchatterEccentricnecktypeholdersToolchatterRigidClampingHoldersWhenusedwithprecisioncollets,Holdsthetoolsbetter,withincreasedholdingpressureandminimizesrunout.
4/3/201410HoldersmakeadifferenceFourdifferenttypeholdersHoldersmakeadifferenceTheFourholdersresults4/3/201411ToolchatterAnti-chattercuttersDifferentamountofflutes,Variablerakeandunequalhelix.
ToolchatterReducethesizeofthenoseRadiusorCutterDiameter4/3/201412ToolchatterReducethewidthofcutorengagementToolchatterEdgePrepeffectsforce,torque,toollife,surfaceroughness,andaccuracy.
4/3/201413SpeedsandfeedsfindtheRPM"sweetspot"sometimesslower,butfastercanbetheanswerFeedhardertoincreasetheloadonthetoolAlternatingpassesatdifferentDOCandspeedsChangeRPMsovibrationpatternchangesSomemachinesnowhavevibrationcontrolChatterSpeedsandFeedsTheMachineClampingforce.
Bothinthechuckandinthedrawbar.
ThefoundationThelevelofthemachineMakesurelevelingscrewsallhaveequalloadonthemMakesurethetoolisoncenter!
Chatterfromthemachine4/3/201414Therearemanycausesofchatter!
Don'tbeafraidtostoptrying!
ClosingChatter
青果云（59元/月）香港多线BGP云服务器 1核 1G
青果云香港CN2_GIA主机测评青果云香港多线BGP网络，接入电信CN2 GIA等优质链路，测试IP：45.251.136.1青果网络QG.NET是一家高效多云管理服务商，拥有工信部颁发的全网云计算/CDN/IDC/ISP/IP-VPN等多项资质，是CNNIC/APNIC联盟的成员之一。青果云香港CN2_GIA主机性能分享下面和大家分享下。官方网站：点击进入CPU内存系统盘数据盘宽带ip价格购买地...
LOCVPS新上韩国KVM,全场8折,2G内存套餐月付44元起_网络传真服务器
LOCVPS(全球云)发布了新上韩国机房KVM架构主机信息，提供流量和带宽方式，适用全场8折优惠码，优惠码最低2G内存套餐月付仅44元起。这是一家成立较早的国人VPS服务商，目前提供洛杉矶MC、洛杉矶C3、和香港邦联、香港沙田电信、香港大埔、日本东京、日本大阪、新加坡、德国和荷兰等机房VPS主机，基于KVM或者XEN架构。下面分别列出几款韩国机房KVM主机配置信息。韩国KVM流量型套餐：KR-Pl...
香港 1核 1G 5M 22元/月 美国 1核 512M 15M 19.36元/月 轻云互联
轻云互联成立于2018年的国人商家，广州轻云互联网络科技有限公司旗下品牌，主要从事VPS、虚拟主机等云计算产品业务，适合建站、新手上车的值得选择，香港三网直连（电信CN2GIA联通移动CN2直连）；美国圣何塞（回程三网CN2GIA）线路，所有产品均采用KVM虚拟技术架构，高效售后保障，稳定多年，高性能可用，网络优质，为您的业务保驾护航。官方网站：点击进入广州轻云网络科技有限公司活动规则：用户购买任...
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