1. Qhov tseem ceeb ntawm cov txheej txheem saum npoo:
Cov txheej txheej saum npoo yog siv rau CNC machined qhov chaw los muab ntau yam txiaj ntsig, suav nrog kev txhim kho corrosion, txhim kho hnav tsis kam, txo kev sib txhuam, thiab nce hardness. Cov txheej txheej no ua raws li cov txheej txheem tiv thaiv, tiv thaiv cov khoom siv los ntawm ib puag ncig thiab ua kom lub neej ntev ntawm cov khoom.
Kev kho deg thiab cov khoom siv piv txwv
(1). Txheej / Plating:
a. Chrome Plating: Haum rau cov khoom siv hlau, muab kev hnav tsis kam thiab corrosion kuj. Piv txwv li, lub tes tsho chrome-plated lub tog raj kheej nyob rau hauv lub tsheb cav ua rau kom cov tawv tawv thiab corrosion kuj.
b. Nickel plating: Haum rau cov hlau thiab stainless hlau, muab kev tiv thaiv corrosion thiab cov khoom zoo nkauj. Piv txwv li, stainless hlau qhov rooj kov tuaj yeem ua npib tsib xee-plated los txhim kho corrosion kuj thiab zoo nkauj tsos.
(2). Coatings / Spray Txheej:
a. Silicone Txheej: Tsim nyog rau txhuas thiab hlau, muab kev kub siab ua haujlwm thiab cov khoom tsis zoo. Piv txwv li, aluminium alloy ci tais tuaj yeem txau-coated nrog silicone los txhim kho nws cov cua sov thiab cov khoom tsis-stick.
b. Polymer Txheej: Haum rau tooj liab thiab stainless hlau, muab hnav tsis kam thiab corrosion kuj. Piv txwv li, cov yeeb nkab stainless hlau tuaj yeem coated nrog cov polymer los txhim kho nws cov corrosion kuj thiab txo kev sib txhuam.
(3). Kev kho cua sov:
a. quenching: Haum rau cov hlau thiab stainless hlau, muab cov hardness thiab zog. Piv txwv li, ib lub iav steel tuaj yeem raug quenching los txhim kho nws qhov hnav tsis kam thiab kev ua neej nyob.
b. Kev Kho Mob: Haum rau txhuas thiab tooj liab alloys, muab lub zog thiab corrosion kuj. Piv txwv li, ib qho aluminium alloy aircraft tivthaiv tuaj yeem kho cov tshuaj kho kom zoo dua nws lub zog thiab corrosion kuj.
(4). Kev hloov kho saum npoo:
a. Nitriding: Haum rau cov hlau thiab stainless hlau, muab kev hnav tsis kam thiab corrosion kuj. Piv txwv li, cov cuab yeej hlau tuaj yeem ua rau nitriding kom nws cov tawv tawv thiab hnav tsis kam.
b. Anodizing: Haum rau txhuas thiab txhuas alloys, muab kev tiv thaiv corrosion thiab cov khoom zoo nkauj. Piv txwv li, aluminium alloy casing tuaj yeem kho anodizing los txhim kho nws cov corrosion kuj thiab zoo nkauj tsos.
2. Nrhiav qhov Optimal Txheej Thickness:
Kev txiav txim siab qhov zoo tshaj plaws txheej thickness yuav xav txog tej yam xws li daim ntawv thov yuav tsum tau, cov khoom compatibility, thiab nqi-zoo. Cov kauj ruam hauv qab no tuaj yeem pab nrhiav qhov zoo tshaj plaws txheej thickness:
a. Daim Ntawv Thov: Nkag siab txog cov xwm txheej ib puag ncig tshwj xeeb thiab kev cia siab ua haujlwm ntawm cov khoom siv. Piv txwv li, nyob rau hauv ib tug marine daim ntawv thov uas corrosion kuj tseem ceeb heev, txheej thickness ntawm 20-30 microns tej zaum yuav haum.
b. Material Compatibility: Xav txog cov khoom siv hauv paus ntawm cov khoom siv thiab xaiv cov khoom siv txheej uas sib haum nrog nws. Piv txwv li, thaum txheej txhuas qhov chaw, anodizing thickness ntawm 25-50 microns tuaj yeem muab kev tiv thaiv corrosion zoo heev.
c. Kev Ntsuas thiab Kev Ntsuas: Ua cov kev ntsuam xyuas los txiav txim siab qhov ua tau zoo ntawm cov txheej txheej sib txawv. Qhov no tuaj yeem suav nrog cov qauv coated rau kev kuaj xyuas corrosion, hnav kuaj, lossis kuaj kev sib txhuam. Los ntawm kev sib piv cov txiaj ntsig, qhov zoo tshaj plaws txheej txheej tuaj yeem txheeb xyuas tau.
3. Kev cuam tshuam ntawm kev sib txhuam thiab lubrication:
Txheej thickness ncaj qha cuam tshuam rau cov khoom sib txhuam ntawm cov khoom siv machined. Thicker coatings feem ntau pom cov coefficient ntawm kev sib txhuam qis, ua rau kev ua haujlwm zoo dua thiab txhim kho kev ua haujlwm. Piv txwv li, ib qho kev tivthaiv nrog cov tawv chrome txheej tuab ntawm 5-10 microns tuaj yeem txo kev sib txhuam thiab hnav hauv cov ntawv thov zawv zawg.
4. Case Study: Txheej Thickness thiab Hnav Resistance:
Xav txog kev cai CNC machined iav siv nyob rau hauv daim ntawv thov siab load. Cov iav yog ua los ntawm cov hlau thiab muaj kev sib txhuam thiab hnav tsis tu ncua. Txhawm rau txhim kho kev hnav tsis kam, TiN (Titanium Nitride) txheej yog siv. Los ntawm kev sib txawv ntawm txheej txheej, tus nqi hnav tuaj yeem ntsuas.
- Txheej thickness ntawm 1-2 microns: Tus nqi hnav yog qhov siab, thiab cov txheej yuav hnav sai sai, ua rau muaj kev sib txhuam ntau ntxiv thiab muaj peev xwm ua tsis tiav ntawm cov iav.
- Txheej thickness ntawm 3-4 microns: Tus hnav tus nqi txo qis dua piv rau cov txheej nyias nyias, ua rau cov iav zoo dua qub thiab txo cov kev tu ncua.
- Txheej thickness ntawm 5-6 microns: Cov hnav ris tsho nce mus txog qhov tsawg kawg nkaus, qhia pom kev hnav tsis kam. Cov iav qhia txog kev ua haujlwm ntev thiab txhim khu kev qha.
5. Kev txiav txim siab rau cov neeg yuav khoom:
Thaum muab kev cai CNC machined Cheebtsam, cov neeg yuav khoom yuav tsum xav txog cov hauv qab no:
a. Cov kev cai tshwj xeeb ntawm daim ntawv thov: Txheeb xyuas qhov tshwj xeeb ib puag ncig, lub peev xwm thauj khoom, thiab kev cia siab rau lub neej ntawm cov khoom siv los txiav txim siab qhov zoo ntawm txheej txheej.
b. Kev xaiv cov khoom siv thiab txheej txheej: Xaiv cov txheej txheem uas sib xws nrog cov khoom siv hauv paus thiab muaj pov thawj kev ua tau zoo hauv cov ntawv zoo sib xws. Piv txwv li, rau cov ntawv thov kub, cov txheej txheem ceramic nrog lub thickness ntawm 50-100 microns yuav haum.
c. Cost-effectiveness: Ntsuam xyuas qhov kev lag luam tawm ntawm txheej txheej thickness, kev ua tau zoo, thiab tus nqi. Cov txheej txheej tuab feem ntau muab kev tiv thaiv zoo dua tab sis tuaj yeem ua rau tus nqi tsim khoom. Xav txog qhov kev cia siab ntawm lub neej ntawm cov khoom siv thiab cov peev txheej txuag nyiaj hauv cov nqe lus ntawm kev txo qis txij nkawm thiab hloov.
d. Kev ruaj ntseg zoo: Koom tes nrog cov neeg muag khoom uas ua raws li cov qauv kev lag luam thiab kev tswj xyuas zoo. Thov cov ntaub ntawv thiab ntawv pov thawj hais txog txheej thickness, khoom compatibility, thiab kev ua tau zoo.