Otu esi anwale hex bolts

1. Anyị na-elekarị anya na ọdịdị nkeboltsna anya anyị ịhụ ma electroplated black zinc nke bolts dị mma, ma enwere ntụpọ ma ọ bụ na ọ bụghị.

2. Nnwale ike nke bolts. Hichaa akwa mmanụ na yaihe nkedoelu ya na mmanụ ụgbọala ma ọ bụ onye na-ehicha ihe, gbanye ya na mmiri 3% na-anọpụ iche ọla kọpa sulfate maka 40-60s, ma jiri anya gba ọtọ hụ ya mgbe ọ nweghị akara n'elu.

3. Nyochaa nguzogide corrosion nke bolts. Jiri mmanụ ụgbọala ma ọ bụ onye na-ehicha ihe na-ehicha akwa mmanụ n'elu ihe nkedo, gbanye ya na 0.17% sulfuric acid ngwọta maka 20-40s, ma jiri anya gba ọtọ hụ ya mgbe ọ dịghị ihe ọ bụla n'elu.

4. Yiri eguzogide ule nke bolts. Hichaa mmanụ oyi akwa na fastener elu na mmanụ ụgbọala ma ọ bụ ihicha gị n'ụlọnga, kpọgidere iko tube na n'ime dayameta nke 10mm na a ogologo 500mm vetikal n'elu fastener na-atụ, na nnyocha elu nke fastener bụ 45 Celsius si iko tube, na a anya nke 30mm. Wụnye olulu n'elu tube iko, ma tụọ 100g nke ájá quartz nke nwere nha nha nke 0.5-1.0mm na nkuku dị nkọ. Aja ga-ada n'efu ma na-emetụta elu ngwa ngwa. Mgbe ájá na-asọpụta, jiri nwayọọ hichaa ihe mkpuchi ahụ, gbanye n'ime 0.5% ọla kọpa sulfate ngwọta maka afọ 30, wepụ ya ma saa ya na mmiri na-asọ asọ, ma jiri anya gba ọtọ hụ ya.

5. Nleba anya dị ọcha maka ihe nkiri blackening nke bolts. Mgbe emechara ihe nkedo ahụ ojii ma hichaa ya, tupu saponification na imikpu mmanụ, tinye 1-2 tụlee nke 10% phenolphthalein mmanya n'elu ya. Ọ bụrụ na ngwọta bụ pink, ọ na-egosi na ọ dịghị ọcha.

6. Nyocha akụkụ geometric. Dị ka usoro nhazi si dị, eserese na akwụkwọ nhazi nke ngwa ngwa, nyochaa na ngwaọrụ kwekọrọ, kaadị na ngwaọrụ nha.

7.Ọnụ ọgụgụ nyocha nke bolts.

① N'ogeoke mmepụta, a ga-enyocha anya niile dị mkpa; Ọdịdị nke ihe nkedo n'ozuzu agaghị abụ ihe na-erughị 10 iberibe. Ngwakọta na nyocha ịdị mma ihicha ekwesịghị ịbụ ihe na-erughị 1-3 iberibe kwa ogbe.

② A ga-enyocha ngwa ngwa niile emepụtara na nkeji na-esote ma ọ bụ nwere ihe pụrụ iche; Ma ọ bụ lelee anya dị ka akwụkwọ nhazi si dị.

③ Ọ bụrụ na ụfọdụ ihe dị na nlele nlele erughị eru, a ga-amụba ọnụ ọgụgụ ahụ ugboro abụọ maka nyocha. A ga-ewere ndị ahụ na-erubeghị eru na nyocha nleba anya dị ka ihe nrụpụta ma ọ bụ nchacha.