PCB - ihe ọ bụ? Properties na e ji mara.

The PCB a na-akpọ iche iche nke laminated plastik, mesikwuru akwa. Thermosetting sịntetik resins eje ozi dị ka na-adịgide adịgide mmewere. Ma ọ bụghị otú ahụ dị mkpa, ihe a na-ewere PCB. Gịnị ka ọ bụ, ezigbo mfe ịghọta ọbụna site nkọwa

Ụfọdụ kwa na Njirimara

Dabere na ihe okike nwere a eriri textolites ekewa n'ime ọtụtụ iche iche.

1. Bazaltotekstolity na ndabere nke basalt emep uta eri.
2. Uglerodotekstolity carbon.
3. Asbotekstolitov na Asbestos emep uta eri.
4. Faiba glaasi nke iko emep uta eri nke dị iche iche.
5. Organotekstolity si wuru na eri.
6. N'ezie textolites emep uta eri na-owu

E nwere ndị ọzọ na iche. Twill, satin, larịị - kpaa ụdị, nke dị iche na nke filaments onwe ha. Nwere ike dị iche iche n'elu njupụta, ọkpụrụkpụ, ọnụ ọgụgụ nke filaments kwa unit ogologo na ogologo direction na weft ákwà, Ọdịdị na ọkpụrụkpụ nke yarn ma ọ bụ kpuo. E nwere a pụrụ iche technology na-emepụta PCB. Gịnị ka ọ bụ, anyị na-ama hụrụ.

Ọ bụrụ na ndị interlayer ike ga-karịsịa elu, tinye multilayer ụdị ákwà. Mgbe ụfọdụ, e nwere ngwaahịa ebe emep uta eri na-mere nke ọtụtụ iche iche nke ihe.

More na na ndetu?

Bụkwa mkpa n'ichepụta technology, ego na Njirimara nke nragide, àgwà nke na-akpa ákwà, ọdịdị nke emep uta eri - kwa choputa ihe ndị ga-enwe PCB onwe ya. Dị ka n'ihi na mmepụta usoro, ọ na-eje ozi ihe ndabere maka ịdọ ma ọ bụ asọfe ngosi nke anụ ahụ mgbe na ụdị ngwaahịa mandrel etinyere nragide. Foil PCB na-emepụta na otú ahụ. Ọzọkwa, e nwere a ịkpụzi. Ọzọkwa, textolite efere, slabs ma ọ bụ Ibé akwụkwọ ga-ata machining.

Dịgasị iche iche na ihe ndị mejupụtara nwere ike ọ bụghị naanị na ákwà kamakwa ejikọta ọcha, nke na-egwu a ọrụ maka impregnation nke dịanyā. Thermosetting sịntetik resins mgbe mezuo nke a ọrụ, foil PCB - sokwa.

Na kpọkwara, na ndị ọzọ na parameters

E nwere ọnụ ọgụgụ nke àgwà ndị dị otú ahụ ihe onwunwe dị ka a PCB. Na ọ dị mfe ịghọta na nkọwa nke e ji mara ya.

1. Ịwa okpomọkụ nso - -40 na 105 degrees, ma ọ bụrụ na nke ugbu a ugboro ole nke banyere 50 Hz, na-nọgidere na ikwu iru mmiri.
2. PCB - ọma insulator, nke mere na ọ na-aghọ ihe dị oké ngwá ọrụ na ike na-ụlọ ọrụ.
3. Mfe nke machining.
4. High ike.
5. Low njupụta.
6. A ala ọnụọgụ nke esemokwu.

na ozi ndị ọzọ

Textolite Ibé akwụkwọ eji na ọtụtụ ngalaba nke ndụ. O nwere ike ịbụ bughi, antifriction, esemokwu, eletriki, na electronic egbochi ihe onwunwe.

N'ọtụtụ ụzọ, nke a na-eme ka ike na-adị mfe nyefee n'ibu ibu, ọbụna nnọọ njọ. N'ihi ya, ọ bụ karịsịa nile iji bụ ya na ọkụ eletrik ụlọ ọrụ. Na ndabere nke PCB na-ji dị iche iche maka constructional nzube.

Ngwa na ohere ọhụrụ

N'ihi na mmepụta nke yiri mgbaaka, eji biarin, bushings eji ornamental PCB. Ihe ọ bụ ya pụrụ ịghọta ọbụna enweghị pụrụ iche ọkọwa okwu. The depreciation ogwe na ibe pụkwara hụrụ ihe a.

Na nnyefe, na nkesa usoro dị iche iche engines, gearboxes mgbe ịrịba ọnụnọ conical na cylindrical gia dabeere na a ihe dị otú ahụ dị ka a PCB. The price bụ dị iche iche. Ihe nke centrifugal nfuli, bọl mills, turbines bụ textolite biarin. PCB nwere ike ịga nke ọma dochie getinaks dị ka a ihe maka mmepụta nke eletriki akụkụ. Grounds maka PCBs nke PCB ime na ngwá electronic. Ke adianade do, na taa ndorondoro ọ bụ PCB ghọọ ihe ndabere maka mmepụta nke ngwá agha - bụ ya ngwa nnọọ na mberede.

A nta banyere akara ule

E nwere a dịgasị iche iche nke PCB, nke a na-akpọ asboplastikom na natara iche iche. Ire-ọku a na-eguzogide na inogide ihe nwere ike idi okpomọkụ ruo 250 degrees. Ihe e ji mara chemical-eguzogide, eletriki-egbochi ihe Njirimara na corrosion. Ụdị nragide na dịanyā n'ụzọ dị ukwuu na-ekpebi ihe ọ ga-enwe àgwà nke a akpan akpan ngwaahịa. Dị ka ihe atụ, elu acid eguzogide nke ihe nweta anthophyllite Asbestos. Nlụpụta na ogo ejuputa usoro nwekwara ike ịdọgbu ha mmetụta na ẹdude kwa. Na nke ọ bụla, ihe niile na-ekpebisi ike n'otu n'otu, n'azụ a track iche iche.