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
RAKsmart(年79元),云服务器年付套餐汇总 - 香港 美国 日本云服务器
RAKsmart 商家从原本只有专注于独立服务器后看到产品线比较单薄，后来陆续有增加站群服务器、高防服务器、VPS主机，以及现在也有在新增云服务器、裸机云服务器等等。机房也有增加到拥有洛杉矶、圣何塞、日本、韩国、中国香港等多个机房。在年前也有介绍到RAKsmart商家有提供年付129元的云服务器套餐，年后我们看到居然再次刷新年付云服务器低价格。我们看到云服务器低至年79元，如果有需要便宜云服务器的...
A400：36元/季，16.8/月kvm架构，线路优质，延迟低
A400互联是一家成立于2020年的商家，主要推行洛杉矶服务器采用kvm架构，线路优质，延迟低，稳定性高！全场产品对标腾讯云轻量，服务器线路有有美国洛杉矶cn2_gia、香港cn2+cmi，目前推行的vps服务器均为精心挑选的优质线路机房，A400互联推出了夏季优惠洛杉矶5折、香港7折促销活动，质量可靠，价格实惠！二：优惠码洛杉矶五折优惠码：20210620香港cn2七折优惠码：0710三、优惠方...
云雀云（larkyun）低至368元/月，广州移动1Gbps带宽VDS（带100G防御），常州联通1Gbps带宽VDS
云雀云（larkyun）当前主要运作国内线路的机器，最大提供1Gbps服务器，有云服务器（VDS）、也有独立服务器，对接国内、国外的效果都是相当靠谱的。此外，还有台湾hinet线路的动态云服务器和静态云服务器。当前，larkyun对广州移动二期正在搞优惠促销！官方网站：https://larkyun.top付款方式：支付宝、微信、USDT广移二期开售8折折扣码：56NZVE0YZN （试用于常州联...
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