Nrog rau kev txhim kho thev naus laus zis thiab kev lag luam, ptfe tau siv ntau thiab ntau lub teb, thiab tau dhau los ua cov khoom siv tsis tseem ceeb los daws ntau yam thev naus laus zis hauv kev tshawb fawb, kev ua tub rog thiab pej xeem thiab txhim kho qib kev tsim khoom.Txhawm rau kom tsis tu ncua kev txhim kho kev tsim khoom ntawm polymer ptfe, peb tau pib siv cov txheej txheem ntau lawm, uas yog tsim rau cov khoom siv viscoelastic siab —— Ram-punch extrusion.
Nrog rau kev txhim kho thev naus laus zis thiab kev lag luam, ptfe tau siv ntau thiab ntau lub teb, thiab tau dhau los ua cov khoom siv tsis tseem ceeb los daws ntau yam thev naus laus zis hauv kev tshawb fawb, kev ua tub rog thiab pej xeem thiab txhim kho qib kev tsim khoom.Txhawm rau kom tsis tu ncua kev txhim kho kev tsim khoom ntawm polymer ptfe, peb tau pib siv cov txheej txheem ntau lawm, uas yog tsim rau cov khoom siv viscoelastic siab —— Ram-punch extrusion.
Raws li lub hauv paus ntsiab lus ntawm "forging", plunger stamping extruder feem ntau yog siv lub plunger nrog me me hla ntu thaj tsam thiab ntau zaus stamping los thawb cov khoom rau hauv lub thoob ntawm extruder.Piv nrog rau cov tsoos hydraulic kem extruder, nws muaj cov yam ntxwv ntawm high stamping zaus, zoo yaj plasticizing nyhuv, cov khoom zoo, cov khoom siv yooj yim thiab cov txheej txheem.
Raws li kev tsim cov yam ntxwv ntawmRam-punch extruder, txheej txheem extrusion yog soj ntsuam thiab kawm.Cov qauv ntawm lub cev ntawm tag nrho cov txheej txheem extrusion ntawm plunger ram extruder yog tsim, uas tau muab faib ua tsib ntu: seem pub khoom noj, seem melting, seem shunt, seem tsim thiab seem cua txias.Kev cuam tshuam ntawm kev tuag ntev thiab siab vibration zaus ntawm cov txheej txheem extrusion tau txheeb xyuas.Cov txiaj ntsig kev soj ntsuam qhia tau hais tias: txawm hais tias muaj qhov hloov pauv loj ntawm lub siab ntawm qhov nkag ntawm cov yaj, tab sis ntawm tag nrho cov siab ntawm qhov nkag mus rau qhov hluav taws xob tau maj mam txo qis, yog li xyuas kom muaj lub siab txaus los thawb cov khoom extrusion, thiab qhov ze dua nws tau txais mus rau lub qhov hluav taws xob. ua tiav pwm qhov hluav taws xob siab thiab ceev hloov pauv me me, yog li nws tuaj yeem ua kom muaj kev txuas ntxiv ntawm extrusion, thaum kawg tau txais cov khoom zoo.Qhov ntev thiab stamping zaus ntawm qhov tuag muaj qee yam cuam tshuam rau extrusion siab thiab ceev.Vim lub siab viscosity ntawm PTFE, yuav tsum tau xaiv ib tug ntev tuag, thiab stamping zaus ntawm 5-6hz yog tsim nyog.
Ram plunger extrusion machining polymer PTFE yog cov tshiab machining txoj kev, tab sis nyob rau hauv cov txheej txheem ntawm cov khoom tsim txheej txheem, kuj tsis tuaj yeem tawm ntawm cov khoom ntws thiab deformation, rheological cwj pwm thiab txoj cai, nkag siab txog cov txheej txheem molding txheej txheem ntawm kev xaiv tsim nyog, kev ua haujlwm thiab kev tswj kom zoo. thiab txhim kho cov cuab yeej molding muaj qhov tseem ceeb ntawm kev ua haujlwm.Plunger stamping tsis yog ib txoj hauv kev ua haujlwm ruaj khov, thiab muaj kev vibration hauv txheej txheem stamping.Nws yog ib qho tseem ceeb heev los kawm txog kev coj tus cwj pwm teb ntawm polymer nyob rau hauv qhov kev txiav txim ntawm kev vibration teb, thiab los tham txog yuav ua li cas cuam tshuam lub vibration teb yuav muaj nyob rau hauv lub ndlwg stability, thiaj li mus kawm lub dynamic forming ntawm polymer cov ntaub ntawv thiab optimize ntau lawm.
Post lub sij hawm: Jul-30-2019