Lub cev tuag hlau yuav tsum raug xaiv raws li cov ntawv thov. Yog tias nws yog qhov qauv, nws tsis yog qhov yuav tsum siv lub zog tawv tawv tuag. Feem ntau, ua ntej steel tawv lossis txhuas feem ntau yog siv los txo tus nqi thiab ua kom yooj yim tuaj pwm thaum lub sijhawm tiv thaiv. Cov hlau mos no tseem tuaj yeem ua pwm tsim qhov kev sim txaus thiab qhov chaw ua ntej. Pre hardened die steels (xws li P-20 lossis nakr-55) feem ntau yog siv los ua kom muaj kev tuag loj, vim nws yog impractical los ua kom tawv nqaij tuag pawg hauv kev siv loj.
Nyob rau hauv cov ntaub ntawv ntawm ntau lawm, nws yog ib qhov tsim nyog los siv tawv tawv tuag rau qhov tseem ceeb thiab kab noj hniav. S-7, H-13 thiab stainless hlau 420 yog cov hlau feem ntau siv. S-7 yog cov hlau tuag zoo heev, uas tuaj yeem siv hauv kev tsim khoom thiab ua haujlwm ntev. Yog tias siab yaj thiab pwm kub yuav tsum, H-13 steel yuav tsum siv. H-13 kuj tseem siv tau los ua kub kub khiav cov manifolds. Kev ntsuas kub ntawm H-13 yog qhov siab heev, thiab nws tuaj yeem tiv cov pwm siab txheej txheem g ntsuas kub tsis cuam tshuam rau qhov nyuaj.
Lub cev tsis xeb hlau yog qhov kev xaiv zoo tshaj plaws rau kev tuag steel yog daim ntawv thov daim teb yuav tsum muaj qhov siab hnav tsis kam lossis yuav muaj ntau cov hws nyob hauv ib puag ncig. Nws tuaj yeem ua cov A2, asp23 lossis D-2 steel nrog cov coj hnyav hnav.
Txhua qhov chaw tuag muaj peev xwm ntseeg tau qee yam ntawm plating tiv thaiv kom tsis txhob hnav thiab xeb. Tsuas yog steel hlau tuaj yeem kho tau los ntawm kev siv lub tshuab ua haujlwm thiab xuas tshuab ua. Rau cov txheej uas twb muaj lawm steel, tsuas yog tom qab tshem lub txheej tuaj yeem kho nws. Lub txheej yuav tsum rov pleev xim tom qab kho tas.
Deg tas
Ua raws li aesthetic kev xav tau, cov neeg siv khoom thiab ua haujlwm ntawm qhov chaw, qhov chaw ntawm qhov chaw tsim ua yuav txawv. Los ntawm SPI ා 1 daim iav zoo li siab gloss nto rau kev ntxhib los mos nto tau los ntawm etching technology, LNP composite tuaj yeem muaj yuav luag txhua hom kev ua tiav ntawm cov chaw ua haujlwm. Nws yog ib qho tseem ceeb kom nkag siab tias qee yam khoom siv tau ua kom tau zoo dua nrog qee yam pwm nto tiav. Piv txwv li, kev ua tiav demoulding ntawm polypropylene nyob rau hauv cov pwm nrog matte nto yog qhov zoo dua li zoo ntawm cov pwm nrog lub siab nto. Nws yog qhov nyuaj kom ua tiav siab gloss hauv cov ntxig nrog qhov ntau ntawm qhov txhaws.
sab lim
Txhawm rau txhawm rau txhim kho pwm kev ua haujlwm mus rau qhov loj tshaj plaws, pa tawm yog qhov tseem ceeb ntawm molding lub voj voog. Thaum cov khoom siv thermoplastic nkag mus rau hauv cov kab noj hniav pwm, cov pa hauv cov pwm kab noj hniav xav tau tawm. Lub qhov quav feem ntau nyob hauv thaj chaw kawg, ze rau ntawm lub npoo av thiab lub tshuab sib tw khiav. Qhov tso pa txuas ntxiv nrog rau qhov nrug ntawm kab ntawm kab ntawm sab nraud tuaj yeem txhim kho kev ntsuas hluav taws xob tag nrho. Cov roj hauv cov pwm hauv cov pwm tau qhia raws li ntsia hlau scorch ntawm qhov chaw tsim. Cov kev paub ua ntej yog tias cov pa roj hauv cov pwm yuav tsum muaj peev xwm tawm ntawm tus nqi ib yam li cov yas nkag mus rau cov pwm kab noj hniav.
Qhov pore qhov tob nws txawv nyob ntawm cov khoom siv - feem ntau amorphous thermoplastic cov ntaub ntawv xav tau qhov loj pore qhov tob vim lawv cov viscosity siab.
