Sɛnea Wobesiw PTFE Tape Cracking Ase Repeated Bending Na Bue

Wɔ nhama a wɔde kyekyere nneɛma, mfiri a wɔde hyɛ ɔhyew ano, ne mfiri a wɔde yɛ aduan mu no, . PTFE teapɔn a ɛyɛ hyew kɛse no, wɔbɔ, wobue, na wɔmia bere nyinaa – kyinhyia akyi kyinhyia. Bere kɔ so no, ade a ɛtra hɔ kyɛ yi mpo betumi ama mpaapaemu anaasɛ abubu.

Dɛn nti na eyi ba? Mmuae no gyina nneɛma abiɛsa so: nea wɔde hyɛ ase, nea wɔde nkata so, ne sɛnea wɔde teyp no si hɔ.

Wɔ Aokai PTFE , yɛayɛ nhwehwɛmu wɔ afuw mu huammɔdi ɔhaha pii mu. Saa asɛm yi ka afotu a mfaso wɔ so a ɛbɛma teyp nkwa nna atrɛw na wɔakwati sɛ ebebubu ntɛm.

Hyɛ Nhyehyɛe no mu den – Substrate ne Thickness

Substrate no yɛ adwuma sɛ framework, titiriw na ɛkyerɛ bending resistance ne tear ahoɔden.

Pure PTFE sini da nsakrae pa adi nanso mfiri ahoɔden a ɛnnɔɔso – ɛyɛ mmerɛw sɛ ɛbɛtetew wɔ adwennwen a ɛba mpɛn pii ase. Glass fiber reinforced PTFE ma tensile ahoɔden, tear resistance, ne creep resistance tu mpɔn kɛse, na ɛma ɛyɛ ɔkwan a wɔpɛ ma dynamic bending scenarios.

Nneɛma a ɛyɛ den nso ho hia yiye. 0.13mm yɛ adwuma sɛ nhama a ɛkyekyɛ mu. Teyp a ɛyɛ tratraa sen 0.13mm no yɛ nea ɛyɛ mmerɛw nanso ahoɔden sua, ɛnyɛ den sɛ wobenya microcracks wɔ nhyɛso ne ntrɛwmu a wɔtaa yɛ no ase.

Nyansahyɛ : Wɔ nnwinnade dodow no ara a ɛyɛ nnam fam no, 0.18mm thickness ne glass fiber reinforcement ne gyinapɛn a wɔpaw.

Wɔ high-cycle applications te sɛ continuous band sealers (a ɛyɛ adwuma wɔ 30-60 cycles simma biara), bending radius a tape no twa ɔhyew element no ho hia design parameter. Bending radius a ɛyɛ ketewaa sene 5mm ma mpɔtam hɔ nhyɛsoɔ kɔ soro bɛboro 300% sɛ wɔde toto 15mm radius ho a, ɛma mpaapaemu mfitiaseɛ yɛ ntɛmntɛm kɛseɛ. Wɔ saa tight-radius applications, sɛ wode glass fiber reinforced PTFE tape a woven construction (sen film-based tape) betumi ama flex nkwa akɔ soro mpɛn 5-10. Bio nso, teyp ahorow a akyi yɛ mmerɛw no mma emu ntɔkwaw pii bere a wɔrekotow no, na ɛtew ɔbrɛ so bio. Field data kyerɛ sɛ sɛ wɔdan fi 0.10mm pure PTFE film tape so kɔ 0.18mm glass fiber reinforced tape so a, ɛtrɛw adwumayɛ nkwa nna mu fi adapɛn 2 kosi bɛboro asram 6 wɔ high-frequency sealing equipment mu.

Paw Adhesive a Ɛfata no

Adhesive no de teyp no bata mfiri no ho – ade titiriw a ɛka ɔsom nkwa nna a ɛyɛ nnam. Silicone nhyɛso-sensitive adhesive ne nea eye sen biara a wɔpaw ma nnam ɔhyew a ɛkorɔn atwa yɛn ho ahyia.

Nea enti a silicone di nkonim wɔ bending applications mu:

• Otumi gyina benkum ne wosow a wɔsan yɛ no ano a ɛnpaapae

• Ɔdannan ne ho ma ɛne ɔhyew ne awɔw kyinhyia a ɛsesa

• Ɛkura adhesion mu mpo wɔ flex cycle mpempem pii akyi

Aokai PTFE ’s in-house testing kyerɛ sɛ silicone adhesive tapes kura bɛboro 90% wɔ wɔn mfitiaseɛ peel ahoɔden akyi 10,000 bending cycles, bere a acrylic-based tapes hwere bɛyɛ 50% wɔ 5,000 cycles. Wɔ nnwinnade a ɛyɛ adwuma nnɔnhwerew 16 da biara da fam no, nsonsonoe yi kyerɛ ase sɛ asram pii a wɔde di dwuma bio.

Wɔ PTFE teapɔn a wɔde di dwuma wɔ reciprocating sealing bars (sɛ nhwɛso no, vertical form fill seal mfiri), ɛsɛ sɛ adhesive no nso gyina ‘cold flow’ – nkakrankakra deformation wɔ nhyɛso ase. Ebia silicone a ɛnyɛ papa a wɔde nkata so no bɛpiapia afi teyp no ano bere a wɔde adi dwuma bere tenten awie no, na ama nkae a wɔde nkata ade no anaa ade a wɔde hyɛ mu no so. Silicone adhesives a ɛwɔ crosslink-density a ɛkorɔn a ɛwɔ thermosetting structure no kura dimensional stability mu wɔ 250°C mpo mu. Sɛ worepaw PTFE teapɔn ama high-frequency bending applications a, bisa data a ɛfa ‘shear adhesion failure temperature’ (SAFT) ne ‘holding power’ ho – gyinapɛn a ɛboro 260°C ne bɛboro nnɔnhwerew 24 wɔ 200°C kyerɛ adhesive nhyehyɛe a ɛyɛ den.

Installation ne Maintenance a Ɛteɛ na ama Nkwa Nkyɛ

Nneɛma a ɛyɛ fɛ ma adwumayɛ a eye sen biara bere a wɔde di dwuma yiye na wɔasiesie no yiye nkutoo.

Nneɛma a Wɔde Yɛ Adwuma Ansa na Wɔde Adi Dwuma
Fa ethanol a nsu nnim anaa isopropanol tew mfiri no ani yiye na ma ɛyɛ nwunu. Ngo a ɛyɛ nkekae, mfutuma, ne nsu a ɛwɔ mu no ma nea ɛbata ho no yɛ mmerɛw na ɛma ɛho tew ntɛm. Fa 800-1000 grit fine sandpaper di dwuma fa polish dade a ɛyɛ torotoro no brɛoo – eyi ma mfiri a ɛka bom yɛ kɛse na ɛma sticking effect tu mpɔn.

Tension-Free Installation and Edge Reinforcement
Fa teyp no to hɔ sɛnea ɛte biara a ɛntrɛw. Tensile stress ma shrinkage ne warping ba bere a thermal cycling no. Fa afiri a wɔde twitwiw nneɛma mia so pɛpɛɛpɛ fi mfinimfini kɔ afã abien no nyinaa na ama mframa a ɛrehuruw afi hɔ. Hyɛ anoano den na yɛ compact – anaasɛ fa silicone sealant a ɛko tia ɔhyew a ɛkorɔn gu so – na amma anoano no ankɔ soro.

Adwumayɛ Tebea mu Nsakrae

• Ma adwumayɛ mu hyew nkɔ fam nsen 260°C – bere tenten anohyeto a ɛwɔ silicone adhesive mu

• Kwati sɛ ɛhɔ yɛ hyew dodo (mmeae a ɛhɔ yɛ hyew) .

• Siw mfiri nhyɛso a ɛboro so a ebetumi abubu teyp no ano

• Hwɛ baabi a ɛhɔ tew na ama mfutuma ne dade nketenkete a ɛbɛbɔ no so atew

Daa Nhwehwɛmu ne Bere a Wɔde Si ananmu
PTFE teapɔn yɛ ade a wotumi de di dwuma wɔ adwumayɛ a ɛyɛ nnam mu. Fa si ananmu ntɛm ara bere a eyinom mu biara puei no:

• Edge warping anaasɛ wɔma so

• Carbonization, yellowing, anaa scorch agyiraehyɛde ahorow

• Adhesive a entumi nyɛ adwuma yiye, ɛboro so, anaasɛ ɛtwetwe

• Abrasion, microcracks, anaa pinholes a wotumi hu

Nsɛm a Wɔaboaboa Ano – Nneɛma Titiriw a Wɔde Fa Nneɛma a Wɔde Siw Teyp a Ɛpaapae Ano

In summary , siw mpaapaemu ne mpaapaemu a PTFE ɔhyew kɛse teapɔn wɔ mpɛn pii bending ase ba fam ba abiɛsa paw: glass fiber reinforced substrate, 0.18mm thickness (anaasɛ ɛfata w’adesoa), ne silicone adhesive. Nneɛma a wɔde si hɔ yiye – ɔfasu a ɛho tew, nhyɛso biara nni hɔ, anoano ahoɔden – ma nkwa a etu mpɔn no mmɔho abien.

Sɛ wopɛ sɛ wode di dwuma wɔ kyinhyia kɛse mu (sealers, presses, conveyors a ɛwɔ radii a ɛyɛ den) a, susuw ahwehwɛ nhama a wɔanwene a wɔahyɛ no den grade ho na hwɛ ɔsram biara sɛ microcracks anaa.

Wohia mmoa a wode bɛpaw PTFE teapɔn a ɛfata ama wo mfiri a ɛyɛ nnam no? Aokai PTFE’s technical team no de application nhwehwɛmu a wontua hwee ma. Di yɛn ho nkɔmmɔ na fa wo mfiri no ho nsɛm ne cycle rates di nkitaho.

Jiangsu Aokai Nneɛma Foforo Mfiridwuma Co., Ltd. na ɛde mae.

Sɛ wopɛ parameters a ɛkɔ akyiri, application nsɛm, ne customized ano aduru a full-range products ka ho PTFE ɔhyew kɛse ntama, PTFE ɔhyew kɛse tape, PTFE mesh abɔso, seamless fusing bɛlt, biako-afã PTFE ntama, ɔhyew a ɛkorɔn resistant conveyor belt ne fiberglass ntama , yɛsrɛ wo di yɛn ho nkɔmmɔ:

• Owura Guo: +86 18944819998 akyerɛw

• Owura Liu: +86 13705266308 akyerɛw

Yɛkura adwumayɛ ne nokwaredi mu, a yɛasi yɛn bo sɛ yɛde ano aduru a wotumi de ho to so a ɛwɔ baabi biako ne nnwuma a wosusuw ho bɛma.