Dacromet Hexagonal Bolts- Okwu Mmalite zuru oke maka ihe mgbochi na-eguzogide arụrụ arụ ọrụ dị elu. 

2. Gịnị bụ mkpuchi Dacromet?

Dacromet bụ sistemu mkpuchi inorganic nke mejupụtara flakes zinc ultra-mma, ntụ ntụ aluminom na ihe nkedo dabere (ma ọ bụ chromium na-enweghị chromium). Tinyere dị ka mgbasa mmiri dabere na ihe dịka 300 Celsius C, ọ na-etolite ihe nkedo amorphous nke na-ejikọta flakes ọla na-ekpuchi n'ime ihe nkiri nchebe kọmpat. Ọkpụrụkpụ mkpuchi a na-ahụkarị bụ naanị 4-8 μm — dị gịrịgịrị karịa galvanizing na-ekpo ọkụ (50–80 μm) - mana ọ na-enye nchebe corrosion dị elu. Elu nke emechara nwere ọdịdị ọla ọcha na-acha ntụ ntụ.

Ihe mejupụtara isi: zinc flakes (60-80%) maka nchebe ịchụ aja, ntụ ntụ aluminom (5-15%) maka nkwalite ihe mgbochi, ihe nkedo inorganic nke na-agafe n'elu, na mmiri deionized dị ka onye na-ebu ibu.

3. Isi uru nke Dacromet Hexagonal Bolts

3.1 Nguzogide nrụrụ pụrụiche

Ihe mkpuchi 4-8 μm Dacromet na-eguzogide ihe karịrị awa 1,000-1,200 nke nnwale nnu nnu na-anọpụ iche (ASTM B117) na-enweghị nchara na-acha uhie uhie-ihe dịka 7 ruo 10 ugboro arụmọrụ nke electro-galvanizing (awa 100-300). Akara ngosi dị elu nwere ike gafere awa 2,000. Ihe owuwu flake nke nwere ọtụtụ ihe na-arụ ọrụ dị ka ma mgbochi anụ ahụ yana anode ịchụàjà, na-enye nchebe ogologo oge na gburugburu osimiri, ụlọ ọrụ mmepụta ihe, na gburugburu ụzọ nnu.

3.2 Nnwere onwe pụọ na Embrittlement Hydrogen

Omenala electroplating gụnyere acid pickling na electrolysis, nke nwere ike iwebata hydrogen n'ime ígwè dị elu ma mee ka mgbaji na-egbu oge na-egbu oge-karịsịa dị mkpa maka ọkwa ọkwa 10.9 na 12.9. Usoro Dacromet na-eji naanị igwe nhicha na ngwa na-abụghị nke elektrọnik, na-ewepụ ihe egwu embrittlement hydrogen kpamkpam. Nke a na-eme ka ọ bụrụ mkpuchi kachasị amasị maka nchekwa-kpamkpam elu-tensile hexagonal bolts.

3.3 Nguzogide Okpomọkụ pụtara ìhè

Ihe mkpuchi dacromet na-anọgide na-eguzosi ike ma na-echebe na okpomọkụ na-aga n'ihu ruo 300 ° C. Ihe mkpuchi zinc nke a na-ahụkarị na-amalite ịda n'elu 70-100 Celsius ma nwee ike bee na 200-300 ° C. Nkwụsi ike a na-ekpo ọkụ na-eme Dacromet hexagonal bolts dị mma maka akụkụ injin, sistemu ikpochapu, na gburugburu ụlọ ọrụ mmepụta ihe dị elu.

3.4 Nkwụsi ike akụkụ yana ndakọrịta eriri

Ihe mkpuchi ahụ dị oke mkpa, nke dabara adaba anaghị agbanwe oke eri ma ọ bụ dayameta pitch. Akụ na-agbakọta nke ọma na-enweghị nnukwu ọpịpị nke a na-achọkarị ma ọ na-agbanye ọkụ. Ihe mkpuchi ahụ na-abanyekwa n'oghere miri emi, ebe mgbapụ, na elu dị n'ime nke electroplating enweghị ike ichekwa nke ọma. Tụkwasị na nke ahụ, ihe nkiri ahụ na-ejikọta nke ọma na mkpụrụ ahụ ma na-anabata ihe mkpuchi organic na-esote ma ọ bụ na-ese ihe na-egbuke egbuke.

4. Usoro nrụpụta na mkpuchi

A na-emepụta bolts hexagonal site na ọkara-carbon ma ọ bụ ígwè alloy site na isi oyi ma ọ bụ na-ekpo ọkụ na-ekpo ọkụ, na-esote eri na-atụgharị na ọgwụgwọ okpomọkụ iji nweta klas ihe onwunwe achọrọ (na-emekarị 8.8, 10.9, ma ọ bụ 12.9). Mgbe ihichachara nke ọma, a na-etinye mkpuchi Dacromet dị ka ndị a:

1. Nkwadebe elu: Mbelata alkaline na nhicha abrasive n'ibu (enweghị pickling acid).

2.Mkpuchi ngwa: Imikpu imikpu-spin maka nnukwu ngwa ngwa ma ọ bụ ịgbasa maka akụkụ buru ibu; ngafe mkpuchi wepụrụ site centrifugation.

3. Ngwọta: A na-asa achịcha na ihe dịka 300-320 Celsius maka nkeji 15-30 iji mepụta nhazi flake nchebe.

4. Nhọrọ topcoat: Enwere ike tinye ihe mkpuchi ma ọ bụ mmanu iji kwalite nguzogide corrosion na jikwaa ọnụọgụ nke esemokwu.

5. Ngwa a na-ahụkarị

A na-akọwapụta bolts hexagonal Dacromet ebe ntụkwasị obi ogologo oge n'okpuru ọnọdụ corrosive ma ọ bụ oke okpomọkụ dị mkpa:

Ụgbọala: Chassis, nkwusioru, sistemu breeki, akụrụngwa akụrụngwa akụrụngwa, na akụkụ ahụ dị n'okpuru nke ekpughere na nnu okporo ụzọ.

Ike ikuku na nnyefe ike: Ihe mkpuchi ụlọ elu na ihe nrụnye n'elu igwe ikuku ikuku na oke osimiri.

Mmiri na mpụta: Akụrụngwa ụgbọ elu na ihe owuwu ikpo okwu ekpughere na ịgbasa mmiri nnu na-aga n'ihu.

Ihe owuwu & akụrụngwa: Njikọ eriri igwe, ihe ndị na-eme akwa mmiri, na nkwonkwo arụrụ n'èzí.

Ụgbọ okporo ígwè, ígwè ọrụ dị arọ, ikuku na nchekwa: Isi ihe nkwụnye ike dị elu na-adabere na ịma jijiji, ihu igwe, na nrụgide igwe.

6. Tụnyere uwe ejiji ọdịnala

Esemokwu dị iche iche arụmọrụ na-egosipụta ihe kpatara eji amasị Dacromet maka bolts hexagon na-arụ ọrụ dị elu:

Ọkpụrụkpụ mkpuchi: Dacromet 4–8 μm |  Electro-galvanizing 5–15 μm |  Hot-mikpu galvanizing 50-80 μm

Nguzogide ịgba nnu (enweghị nchara uhie): Dacromet ≥1,200 h |  Electro-galvanizing 100–300 h  |  Na-ekpo ọkụ 500-800 h

Ihe ize ndụ mgbaka hydrogen: Dacromet – Ọ dịghị  |  Electro-galvanizing – Elu  |  Na-ekpo ọkụ - Ọkara

Nguzogide okpomọkụ: Dacromet ruo 300ºC |  Electro-galvanizing ≤100°C |  Igwe ọkụ na-ekpo ọkụ ≤200C

Eriri dabara adaba: Dacromet na-akwado nnabata nke ọma; galvanizing na-ekpo ọkụ na-achọkarị ụgwọ eri.

7. Ụkpụrụ, akara ule na nkọwapụta

A na-arụpụta bolts hexagonal Dacromet na ụkpụrụ mba ụwa gụnyere ISO 4014/4017, DIN 931/933, ANSI/ASME B18.2.1, na GB/T 5782/5783. Klas ihe onwunwe a na-ahụkarị bụ 4.8, 8.8, 10.9, na 12.9 (metric) ma ọ bụ ọkwa 5 na ọkwa 8 (inch). Ngwa gụnyere carbon steel na alloy steel dị ka 35CrMo, 40Cr na 42CrMo. Ụdị nha a na-ahụkarị bụ M5 ruo M36 (nha buru ibu dị maka ngwa pụrụ iche), na nhazi eriri zuru oke ma ọ bụ akụkụ akụkụ. Ọtụtụ OEM ụgbọ ala na-edepụta Dacromet ma ọ bụ mkpuchi zinc flake dakọtara dị ka emechara akwadoro maka ihe nkedo siri ike.

8. Ihe gbasara gburugburu ebe obibi

Usoro Dacromet omenala nwere chromium hexavalent n'ime ihe nkedo. Ọ bụ ezie na mkpuchi ahụ a gwọchara kwụsiri ike na usoro a na-ebute mmiri na-adịghị ala karịa electroplating, ụkpụrụ gburugburu ebe obibi akwalitela mmepe nke ihe ndị ọzọ na-enweghị chromium dị ka Geomet® na usoro zinc-flake nke oge a. Ndị a na-ejigide uru ọrụ Dacromet bụ isi mgbe ha na-emezu ihe RoHS siri ike na ihe REACH chọrọ.

N'ozuzu, a na-ewere usoro Dacromet dị ka enyi na enyi gburugburu ebe obibi karịa electro-galvanizing omenala n'ihi na ọ na-ewepụ baths acid, ngwọta cyanide, na ọgwụgwọ mmiri dị ukwuu. Kemistri dabere na mmiri na-ebutekwa ikuku ikuku na-adịghị ala ala (VOC).

9. Nkwubi okwu

Dacromet hexagonal bolts na-enye ihe ngwọta dị elu maka ngwa na-achọ ma a pụrụ ịdabere na ya na nchedo corrosion ogologo oge. Ngwakọta ha nke mkpuchi dị oke mkpa ma dị irè nke ukwuu, nnwere onwe zuru oke site na ikuku hydrogen, nguzogide okpomọkụ dị mma, na njikwa akụkụ ziri ezi na-eme ka ha baa uru karịsịa maka ihe nkwụnye ike dị elu na mpaghara ụgbọ ala, ike, mmiri, na nhazi nhazi.

Ka ụkpụrụ gburugburu ebe obibi na-etolite, mkpuchi flake zinc na-enweghị chromium sitere na teknụzụ Dacromet mbụ na-aga n'ihu na-agbasawanye nhọrọ nke nnabata. Ma akọwapụtara dị ka Dacromet kpochapụwo ma ọ bụ nke ọgbara ọhụrụ, bolts hexagonal mkpuchi a na-ebupụta ogologo ndụ egosipụtara nke na-agbatị ndụ ọrụ nke ukwuu ma na-ebelata ụgwọ ọrụ nlekọta na gburugburu ebe na-emebi emebi na oke okpomọkụ. Maka nkwonkwo dị oke egwu ebe ọdịda na-abụghị nhọrọ, Dacromet hexagonal bolts na-anọgide na-abụ otu n'ime ihe ngwọta kachasị ntụkwasị obi na teknụzụ dị elu dị taa.