
2026-08-08
Ihe mkpuchi hex nwere mkpuchi dacromet na-anọchi anya ihe nrụgide dị elu nke na-ejikọta teknụzụ abụọ dị mkpa: sistemu mkpuchi elu Dacromet dị elu yana ihe nrụpụta cylindrical head hex soket (Allen) mbanye nkenke. A na-eji bolts ndị a n'ọtụtụ ebe na ụgbọ ala, ihe owuwu, mmiri, na ngwa ụlọ ọrụ mmepụta ihe ebe nguzogide corrosion dị elu na mbufe torque a pụrụ ịdabere na ya bụ ihe dị oke mkpa.
Ntuziaka teknụzụ a na-enye nyocha miri emi nke teknụzụ mkpuchi mkpuchi Dacromet na nhazi nhazi nke cylindrical head hex socket bolts, na-ekpuchi ihe mejupụtara ha, usoro nrụpụta, njirimara arụmọrụ, na ngwa bara uru.
Dacromet bụ teknụzụ mkpuchi mkpuchi corrosion dị elu, enyi na gburugburu ebe obibi emepụtara dị ka ihe ọgbara ọhụrụ na-agbanwe maka elektrọnịke ọdịnala. Ọ bụ usoro mkpuchi mmiri nke na-abụghị nke electrolytic mejupụtara ultrafine zinc na flakes aluminom jikọtara ọnụ site na usoro ntụgharị chromate. A na-etinye ihe mkpuchi ahụ site na ntinye-spin ma ọ bụ ụzọ ịgbasa ma gwọọ ya na okpomọkụ dị gburugburu 300 Celsius, na-eme ihe nkiri nchebe dị ukwuu, nke nwere ọtụtụ ihe na mpempe ígwè.
Ihe mkpuchi Dacromet nwere ọtụtụ isi ihe na-arụ ọrụ synergistically iji nye nchebe corrosion pụrụ iche:
Zinc flakes (20–30%): Na-enye nchebe ịchụ aja (cathodic) na mkpụrụ nchara
Aluminom flakes (10-15%): kwalite ihe mgbochi na mgbochi okpomọkụ
Ihe nkedo Chromate: Na-etolite oyi akwa ntụgharị na-agafe agafe nke na-emechi mkpuchi ahụ
Ụgbọ ala ihe mgbaze: Na-ebu ihe ndị siri ike n'oge ngwa
Tebụl na-esonụ na-atụnyere Dacromet na teknụzụ mkpuchi bolt nkịtị:
| Ngwongwo | Dacromet | Zinc Plating | Galvanizing na-ekpo ọkụ |
| Nguzogide nfesa nnu | 1,000-3,000 elekere | 96-240 elekere | 500-1,000 elekere |
| Embrittlement hydrogen | Ọ dịghị | Ihe ize ndụ (Elu) | Ihe ize ndụ dị ala |
| Mkpuchi Ọkpụrụkpụ | 5-20 µm | 5-15 µm | 50-120 µm |
| Okpomọkụ Nguzogide | Ruo 300 ° C | Ruo 200 ° C | Ruo 250 ° C |
| Mmetụta gburugburu ebe obibi | Dị ala (Nhọrọ na-enweghị cr) | Ọkara (CN, Cr6+) | Na-agafeghị oke |
| Eriri dabara adaba | Mara mma (kootu dị obere) | Ọ dị mma | Nwere ike ịchọ ime ihe karịrị |
Isiokwu 1. Ngwongwo ihe atụ nke Dacromet vs. zinc plating na galvanizing na-ekpo ọkụ
Ihe mkpuchi cylindrical hex soket, nke a na-ezokarị aka n'okpuru DIN 912 (ISO 4762), nwere isi cylindrical (bọtịnụ) nwere oghere hexagonal (Allen). Nhazi a na-enye ọtụtụ uru nhazi karịa bolts isi hex.
Nhazi isi profaịlụ dị ala: Isi cylindrical na-anọdụ ala ma ọ bụ dị ntakịrị n'okpuru elu, na-eme ka ọ dị mma maka mgbakọ kọmpat nwere oke mmachi.
Mbanye hex dị n'ime: oghere hex na-enye ohere itinye torque n'ime isi, na-ebelata ihe ize ndụ nke ịpụpụ ma na-eme ka ndị agha na-ejide elu dị elu.
Elu mpụga dị nro: Enweghị oghere hex dị n'èzí na-egbochi ndabichi na ihe ndị dị n'akụkụ ma na-eme ka ọdịdị mara mma dịkwuo mma.
Nkesa nrụgide n'ụdị: geometry nke isi cylindrical na-ekesa ibu mpịachi n'ofe mpaghara kọntaktị, na-ebelata mkpokọta nrụgide mpaghara.
Tebụlụ dị n'okpuru na-edepụta parampat isi akụkụ maka nha metric a na-ejikarị:
| Nha eriri | Isi Dia. (dk) | Ogologo isi (k) | Hex Socket (s) | Ike tensile (12.9) |
| M3 | 5.50 mm | 3.00 mm | 2.50 mm | 1,220 MPa |
| M4 | 7.00 mm | 4.00 mm | 3.00 mm | 1,220 MPa |
| M5 | 8.50 mm | 5.00 mm | 4.00 mm | 1,220 MPa |
| M6 | 10.00 mm | 6.00 mm | 5.00 mm | 1,220 MPa |
| M8 | 13.00 mm | 8.00 mm | 6.00 mm | 1,220 MPa |
Tebụl 2. Akụkụ ọkọlọtọ maka bolts cylindrical head hex soket (DIN 912 / ISO 4762)
Ihe mkpuchi hex nwere mkpuchi dacromet na-achọta ọtụtụ ọrụ n'ofe ụlọ ọrụ dị iche iche n'ihi nchikota pụrụ iche nke nguzogide corrosion na ntụkwasị obi igwe:
Automotive: Mgbakọ igwe, ihe chassis, sistemu breeki, na akụkụ ahụ ebe nchebe corrosion dị ogologo oge dị mkpa.
Ihe owuwu na akụrụngwa: Njikọ eriri igwe, sistemu mgbidi ákwà mgbochi, yana mgbakọ dị n'èzí nke ihu igwe siri ike.
Mmiri na ọdụ ụgbọ mmiri: Akụrụngwa na ihe arụrụ arụ n'okpuru ikpughe mmiri nnu, ebe mkpuchi ejiji na-ada ngwa ngwa.
Ụgbọ okporo ígwè na ike ikuku: gburugburu na-ama jijiji dị elu na-achọ ma njigide echekwabara na nchebe elu dị ogologo.
Ihe mkpuchi eletriki na eletrọnịkị: Ụlọ nchekwa dị n'èzí na ụlọ akụrụngwa na-achọ ihe na-adịghị mma, ihe mgbochi na-eguzogide corrosion.
| Uru mkpuchi Dacromet | Uru imewe Hex Socket |
| • Nguzogide ịgba nnu kachasị elu (awa 1,000–3,000) | • Ike torque dị elu karịa draịva nwere oghere ma ọ bụ Phillips |
| • Ihe ize ndụ mgbaka hydrogen efu | • Isi profaịlụ dị ala maka mgbakọ kọmpat |
| • Mkpuchi dị gịrịgịrị, nke otu na-echekwa iguzosi ike n'ezi ihe eri | • Mpụ isi dị nro na-egbochi ọnyà na nnyonye anya |
| • Mmasị kemịkalụ na mgbochi UV | • Mbanye azụghachi azụ na-echebe oghere pụọ na mmetọ |
| • kwekọrọ na gburugburu ebe obibi (RoHS/REACH) | • Dakọtara na ụkpụrụ DIN 912 / ISO 4762 |
Isiokwu 3. Nchịkọta nke isi uru site na mkpuchi na imewe
Ihe mkpuchi hex nwere mkpuchi dacromet na-anọchi anya njikọta nke injinịa elu dị elu na nhazi igwe ziri ezi. Ihe mkpuchi Dacromet na-enye nchebe pụrụ iche nke corrosion na-enweghị ihe egwu hydrogen embrittlement jikọtara ya na electroplating, ebe nhazi oghere hex cylindrical na-enye nnyefe ike dị elu, kọmpat kọmpat, na arụmọrụ njigide a pụrụ ịdabere na ya. Ọnụ, teknụzụ ndị a na-eme Dacromet hex socket bolts ka ọ bụrụ ezigbo nhọrọ maka ịchọ ngwa n'ofe ụgbọ ala, ihe owuwu, mmiri, na ngalaba mmepụta ihe.
Ka ụlọ ọrụ na-aga n'ihu na-achọ ogologo ndụ ọrụ, mbelata mmezi, na nrụpụta gburugburu ebe obibi, nnabata nke ihe mkpuchi mkpuchi Dacromet na-atụ anya na ọ ga-eto. Ndị injinia na ndị ọkachamara n'ịzụ ahịa kwesịrị ịtụle ịkọwapụta Dacromet hex soket bolts maka ngwa ọ bụla ebe nguzogide corrosion, ntụkwasị obi igwe, na nhazi mgbakọ kọmpat bụ njirimara arụmọrụ.