Kev xav tau ntawm CNC tshuab cuab yeej ntawm cov cuab yeej cuab tam
High hardness thiab hnav tsis kam
Lub hardness ntawm txiav ib feem ntawm lub cuab yeej yuav tsum siab tshaj qhov hardness ntawm lub workpiece khoom.Qhov siab dua qhov hardness ntawm cov khoom siv, qhov zoo dua nws hnav tsis kam.Lub hardness ntawm cov cuab yeej ntawm chav tsev kub yuav tsum siab tshaj HRC62.Lub hardness tuaj yeem siab tshaj qhov qubCNC machining qhov chaw.
Txaus lub zog thiab toughness
Cov cuab yeej dais siab heev hauv cov txheej txheem ntawm kev txiav ntau dhau.Qee zaum, nws ua haujlwm nyob rau hauv kev cuam tshuam thiab kev vibration.Txhawm rau tiv thaiv lub cuab yeej los ntawm kev tawg thiab tawg, cov khoom siv yuav tsum muaj lub zog txaus thiab toughness.Feem ntau, khoov lub zog yog siv los sawv cev lub zog ntawm cov cuab yeej siv, thiab tus nqi cuam tshuam yog siv los sawv cev lub zog ntawm cov khoom siv.
siab dua kub tsis kam
Thaum tshav kub kub tsis kam yog hais txog kev ua haujlwm ntawm cov khoom siv kom muaj zog, hnav tsis kam, lub zog thiab toughness nyob rau hauv qhov kub thiab txias.Nws yog lub ntsiab qhia los ntsuas qhov kev ua tau zoo ntawm cov cuab yeej siv.Qhov kev ua tau zoo no tseem hu ua liab hardness ntawm cov khoom siv.
Zoo thermal conductivity
Qhov ntau dua qhov thermal conductivity ntawm cov khoom siv yog, qhov kub ntau yog hloov los ntawm lub cuab yeej, uas yog qhov tsim nyog los txo qhov kub ntawm cov cuab yeej thiab txhim kho lub durability ntawm lub cuab yeej.
Kev ua tau zoo
Txhawm rau ua kom yooj yim rau kev ua thiab kev tsim cov cuab yeej, cov cuab yeej cuab yeej yuav tsum muaj cov khoom ua haujlwm zoo, xws li forging, dov, vuam, txiav thiab grindability, cov khoom siv kho cua sov thiab cov khoom siv yas deformation kub ntawm cov khoom siv.Rau cov cemented carbide thiab cov khoom siv ceramic, zoo sintering thiab siab tsim cov khoom kuj yuav tsum tau.
Hom khoom siv
kev kub ceev steel
Kev kub ceev steel yog cov cuab yeej hlau hlau uas muaj W, Cr, Mo thiab lwm yam hlau alloy.Nws muaj cov thermal stability, siab zog thiab toughness, thiab ib tug tej yam kev mob ntawm hardness thiab hnav tsis kam, yog li nws yog haum rau ua tsis-ferrous hlau thiab ntau yam ntaub ntawv hlau.Tsis tas li ntawd, vim nws cov cuab yeej ua haujlwm zoo, nws yog qhov tsim nyog rau kev tsim cov cuab yeej sib sau ua ke, tshwj xeeb tshaj yog cov hmoov hlau metallurgy kev kub ceev steel, uas muaj anisotropic txhua yam khoom thiab txo quenching deformation, Nws yog tsim rau kev tsim precision thiab complex forming cuab yeej.
Hard alloy
Cemented carbide muaj siab hardness thiab hnav tsis kam.Thaum txiavCNC tig qhov chaw, nws qhov kev ua tau zoo yog qhov zoo dua li ntawm high-speed steel.Nws durability yog ob peb mus rau kaum ob lub sij hawm ntawm high-ceev steel, tab sis nws cov cuam tshuam toughness yog tsis zoo.Vim nws txoj kev ua tau zoo heev, nws yog dav siv los ua cov khoom siv.
Kev faib tawm thiab cim cov cemented carbide rau cov cuab yeej txiav
Coated hniav
1) Cov khoom siv txheej txheej ntawm CVD txoj kev yog TiC, uas ua rau kom muaj zog ntawm cov cuab yeej cemented carbide los ntawm 1-3 zaug.Txheej thickness;Txiav ntug yog blunt;Nws yog qhov tsim nyog rau kev txhim kho lub neej ceev.
2) Cov ntaub ntawv txheej ntawm PVD lub cev vapor deposition txoj kev yog TiN, TiAlN thiab Ti (C, N), uas txhim kho lub durability ntawm cemented carbide cov cuab yeej los ntawm 2-10 zaug.Txheej nyias;Ntse ntug;Nws yog qhov zoo los txo qhov txiav quab yuam.
★ Maximum thickness ntawm txheej ≤ 16um
CBN thiab PCD
Cubic boron nitride (CBN) Lub hardness thiab thermal conductivity ntawm cubic boron nitride (CBN) tsuas yog qis dua pob zeb diamond, thiab nws muaj thermal stability thiab zoo tshuaj stability.Yog li ntawd, nws yog tsim rau machining hardened steel, nyuaj cam khwb cia hlau, superalloy thiab cemented carbide.
Polycrystalline pob zeb diamond (PCD) Thaum PCD siv los ua cov cuab yeej txiav, nws yog sintered ntawm cemented carbide substrate, thiab tuaj yeem ua tiav hnav-resistant, siab hardness non-metallic thiab nonferrous alloy cov ntaub ntawv xws li cemented carbide, ceramics, siab silicon aluminium alloy.
★ ISO tshuab clamp hniav khoom faib ★
Hlau qhov chaw: P05 P25 P40
Stainless hlau: M05 M25 M40
Cam khwb cia hlau: K05 K25 K30
★ Tus lej me dua, qhov nyuaj ntawm cov hniav yog qhov zoo dua qhov hnav tsis kam ntawm cov cuab yeej, thiab qhov cuam tshuam tsis zoo yog qhov tsis zoo.
★ Tus lej loj dua, cov hniav yog softer, qhov zoo dua qhov cuam tshuam thiab tsis zoo hnav tsis kam ntawm cov cuab yeej.
Hloov pauv mus rau cov qauv hniav thiab ISO cov cai sawv cev
1. Code sawv cev rau cov duab ntawm cov hniav
2. Code sawv cev rau sab nraub qaum ntawm lub ntsiab txiav ntug
3. Code sawv cev rau qhov ntev ntev ntawm cov hniav
4. Code sawv cev rau nti tawg thiab clamping daim ntawv ntawm cov hniav
5. Sawv cev los ntawm qhov ntev ntawm kev txiav ntug
6. Code sawv cev rau lub thickness ntawm cov hniav
7. Code sawv cev rau polishing ntug thiab R lub kaum sab xis
Lub ntsiab lus ntawm lwm cov duab
8 yog hais txog txoj cai qhia txog kev xav tau tshwj xeeb;
9 sawv cev rau txoj cai ntawm kev coj noj coj ua, piv txwv li, code R sawv cev rau txoj cai pub, code L sawv cev rau sab laug, thiab code N sawv cev rau nruab nrab pub;
10 sawv cev rau cov cai ntawm nti tawg groove hom;
11 sawv cev rau cov khoom siv ntawm lub tuam txhab cuab yeej;
txiav ceev
Kev suav cov mis ntawm kev txiav ceev Vc:
Hauv cov qauv:
D - rotary txoj kab uas hla ntawm workpiece los yog lub cuab tam, unit: mm
N - rotational ceev ntawm workpiece los yog cuab tam, unit: r / min
Qhov ceev ntawm Machining xov nrog Ordinary tshuab dhos
Spindle ceev n rau txoj xov.Thaum txiav xov, spindle ceev ntawm lub tshuab dhos yog cuam tshuam los ntawm ntau yam, xws li qhov loj ntawm cov xov suab (los yog cov hlau lead) ntawm lub workpiece, nqa thiab txo cov yam ntxwv ntawm lub tshuab tsav, thiab qhov ceev ntawm xov interpolation.Yog li ntawd, rau cov tshuab CNC sib txawv, muaj qee qhov sib txawv ntawm spindle ceev n rau txoj xov.Cov hauv qab no yog cov qauv rau kev xam cov spindle ceev thaum tig threads ntawm dav CNC lathes:
Hauv cov qauv:
P - xov suab los yog txhuas ntawm workpiece xov, unit: mm.
K - kev tuav pov hwm coefficient, feem ntau 80.
Kev suav ntawm txhua qhov pub qhov tob rau machining xov
Number of threading tool paths
1) Rough machining
Empirical xam mis ntawm ntxhib machining pub: f rough = 0.5 R
Qhov twg: R —— cuab yeej taub arc vojvoog mm
F —— ntxhib machining cuab tam pub mm
2) Kev ua tiav
Hauv cov qauv: Rt —— contour tob µ m
F —— Pub tus nqi mm/r
r ε —— Radius ntawm cov cuab yeej taub arc mm
Sib txawv ntxhib thiab tiav tig raws li tus nqi pub thiab nti tawg zawj
F ≥ 0.36 ntxhib machining
0.36 ＞ f ≥ 0.17 semi finishing
F ＜ 0.17 tiav machining
Nws tsis yog cov khoom siv ntawm cov hniav tab sis cov nti tawg qhov zawj uas cuam tshuam rau qhov ntxhib thiab tiav machining ntawm cov hniav.Cov ntug txiav yog ntse yog tias lub chamfer tsawg dua 40um.
Post lub sij hawm: Nov-29-2022