PFA nsuo afiri ne welding abaa: nhwehwɛmu a ɛfa mfiridwuma mu dwumadie a ɛwɔ soro-adwumayɛ fluoroplastic nneɛma ho .

Sɛ́ fluoroplastic abusua no muni a ɔho hia no, wɔde PFA (Perfluoroalkoxy resin) di dwuma kɛse wɔ nnuru, semiconductor, nnuru ne mmeae afoforo esiane nnuru a ɛyɛ den a ɛyɛ den, ɔhyew a ɛkɔ soro a ɛko tia ne friction coefficient a ɛba fam nti. Sɛ́ nneɛma atitiriw a ɛka bom no, PFA nhama no adwumayɛ ne welding abaa a ɛboa no nya nhyehyɛe no mu ahotoso ne ɔsom asetra so nkɛntɛnso tẽẽ. Saa asɛm yi bɛhwehwɛ mfiridwuma mu nsɛntitiriw a ɛwɔ PFA pipes ne welding abaa mu a efi afã abiɛsa mu: nneɛma ahorow, dwumadie tebea ne welding akwan.

1. Mfaso titiriw a ɛwɔ PFA nsu afiri so .

PFA pipes nya PTFE (polytetrafluoroethylene) a ɛko tia corrosion resistance no, na bere koro no ara mu no ɛma processing fluidity no tu mpɔn denam perfluoroalkoxy structure a wɔde ba no so, sɛnea ɛbɛyɛ a wobetumi de hot melt welding abɔ mu a biribiara nhaw no. Ne tenten-bere a wɔde di dwuma no hyew no yɛ -200℃kosi +260℃, na ne tiawa-bere a wɔde gyina ano no betumi adu digrii 300 , a ebetumi adi ahiade ahorow a ɛfa adwumayɛ tebea horow a ɛtra so ho dwuma. Bio nso, PFA wɔ soro a ɛyɛ mmerɛw kɛse (Ra bo betumi ayɛ nea ennu 0.1μm), a ɛtew nsu a ɛko tia no so yiye na ɛtew asiane a ɛwɔ hɔ sɛ ɛbɛkɔ soro no so, na ɛda nsow titiriw wɔ nsu a ɛho tew kɛse a wɔde ma no mu.

2. PFA welding abaa no ho nhyehyɛe a ɛne no hyia .

PFA welding abaa ne nsuo afiri de base material formula korɔ no ara di dwuma de hwɛ sɛ nnuru no hyia na mfiri ahoɔden a ɛwɔ welded nkwaa no mu. Ɛsɛ sɛ High-quality welding abaa no du gyinapɛn a edidi so yi ho: Melting index no ne paipu no hyia (mpɛn pii no 3-5G/10min), efĩ a ɛwɔ mu no nnu 10ppm, na ahoɔden a ɛtwetwe no yɛ kɛse sen 20MPa. Special specification welding abaa nso betumi ama creep resistance ayɛ kɛse denam carbon fiber anaa glass microbeads a wɔde bɛka ho, a ɛfata ma nhyɛso kɛse tebea horow so.

3. Nsɛntitiriw a ɛwɔ welding nhyehyɛe mu .

PFA paipu welding titiriw fa akwan abien so: Hot Melt Butt Welding anaa Flaring Socket. Hot melt welding hwehwɛ sɛ wɔhwɛ ɔhyew so pɛpɛɛpɛ (mpɛn pii no 350-400℃), nhyɛso (0.1-0.3MPa) ne bere a wɔde yɛ nwini (ɛnyɛ nea ennu simma 15) na wɔakwati ahurututu anaa welding a ɛyɛ nwini mu sintɔ ahorow. Flaring welding hwehwɛ sɛ flaring adwinnade no yɛ pɛpɛɛpɛ na ama adu ±0.05mm na akura tebea a ɛyɛ den mu simma 1-2 bere a wɔde paipu no ahyɛ mu akyi. Ɛfata sɛ yɛhyɛ no nsow sɛ ɛsɛ sɛ nsu a ɛwɔ welding no mu no ba fam sen 60% na amma ntini a ɛwɔ mu no anhyehyɛ a nsu a ɛyɛ hyew de ba no.

Esiane sɛ nneɛma a ɛho hia a ɛwɔ hɔ no ho ahiasɛm rekɔ soro sen nneɛma a ɛko tia nneɛma wɔ mfiridwuma mu nti, gua so ahwehwɛde a ɛfa PFA nsu afiri ne welding poma ho no kɔ so trɛw. Mastering a ɛfata a wɔpaw ne welding mfiridwuma no abɛyɛ ade titiriw a ɛma wɔhwɛ hu sɛ bere tenten-bere a ɛyɛ den no yɛ adwuma wɔ nsu nhyehyɛe no mu. Daakye, ɛnam nneɛma mu nsakraeɛ mfiridwuma nkɔsoɔ nti, wɔbɛyi PFA nneɛma a wɔde di dwuma wɔ mmeaeɛ a ɛyɛ den no adi bio.