Ib txoj hauv kev yooj yim txhawm rau txheeb xyuas qhov zoo thiab qhov tsis zoo ntawm tus kheej txwv kev siv hluav taws xob cua sov sawb

Ib txoj hauv kev yooj yim txhawm rau txheeb xyuas qhov zoo thiab qhov tsis zoo ntawm tus kheej txwv kev siv hluav taws xob cua sov sawb

1, Kev tshwm sim

1. Lub uniformity ntawm txhua txheej thiab seb puas muaj eccentricity.

2. Cov khoom tsis raug txiav txim los ntawm lawv qhov dav lossis tuab, tab sis yog qhov nyuaj ntawm kev tsim cov khoom me me thiab zoo. Yog tsis muaj ib theem ntawm lub zog, nws tsis tuaj yeem tsim cov khoom me me thiab zoo. Kev xaiv ntawm cov khoom dav yuav tsum sib txawv raws li txoj kab uas hla ntawm lub auxiliary yeeb nkab txoj kab uas hla. Cov yeeb nkab txoj kab uas hla yog loj, hluav taws xob cua sov bandwidth yog me me, cov yeeb nkab txoj kab uas hla yog me me, thiab hluav taws xob cua sov sawb yog nqaim. Txoj kev no, kev hloov hluav taws xob hloov hluav taws xob yog qhov siab, thiab txoj kab uas hla ntawm cov yeeb nkab nyias (sab nraud) Ф 16mm wide band (12mm) yog siv nrog thaj tsam me me. Yog tias 7-8mm nqaim band siv nrog thaj tsam loj, nws yuav tsum siv sib txawv kom txuag hluav taws xob.

2, Khoom siv ntawm PTC core daim kab xev

1. Qhov hnyav: Rau tib qhov loj thiab ntev, yog tias cov khoom hnyav, cov khoom lag luam zoo dua, thiab yog tias cov khoom yog lub teeb, cov khoom tsis zoo.

2. Kev sim combustion: Siv cov nplaim taws los tiv thaiv PTC core strip. Cov ntaub ntawv uas tsis yog combustible yog zoo dua, thaum nplaim-retardant los yog combustible cov ntaub ntawv yog inferior. Txawm li cas los xij, nws yuav tsum txwv tsis pub siv cov khoom siv hluav taws xob halogenated. Txawm hais tias cov khoom siv halogenated yog nplaim taws, lawv muaj cov pa taws tuab, muaj tshuaj lom, thiab muaj kev phom sij ntau dua li cov khoom siv hluav taws xob. Txawm hais tias nplaim retardant, nws twb yog ib yam khoom uas tsis yog ib puag ncig tus phooj ywg uas tau raug phased tawm rau kev siv.

3. Kev txheeb xyuas cov ntxhiab tsw: Siv cov nplaim hluav taws los tiv thaiv PTC core sawb, thiab yog tias tsis muaj cov roj tsw qab, cov khoom siv tshwj xeeb PTC; Cov khoom lag luam nrog cov roj tsw qab yog PTC zoo tib yam.

4. Softness thiab hardness: Nws yeej tsis yooj yim kom paub qhov txawv ntawm qhov zoo thiab qhov phem siv softness thiab hardness. Feem ntau, cov khoom siv nrog cov hardness siab muaj qhov ntom ntom thiab tus nqi siab. Piv txwv li, low-density polyethylene (LDPE) yog mos thiab muaj tus nqi qis, nrog rau qhov kub tsis kam ntawm tsuas yog 70 degree. Nws tuaj yeem tiv taus 90 degree tsuas yog tom qab irradiation crosslinking, thaum high-density polyethylene (HDPE) yog ib qho nyuaj thiab muaj tus nqi siab, nrog rau qhov kub thiab txias ntawm 90 degree thiab kub tsis kam ntawm 130 degree tom qab irradiation crosslinking. Qhov zoo ntawm cov khoom yuav tsum xa mus rau nws cov kev ua tau zoo.

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