Ọtụtụ ụzọ na-eme browning n'ụlọ

Browning ma ọ bụ ọxịdashọn, a mara maka a ogologo oge. Na mbụ, ndị dị otú ahụ nhazi e ji chebe metal si corrosion, ma ugbu a - ukwuu n'ime maka ji achọ nzube. N'ihi na omenkà anaghị ukwuu na-eji burnishing n'ụlọ na-enye metal isiokwu na-akpali mmasị na-ele ma ọ bụ weghachi a ịchụ nta égbè. Iji mee nke a, i kwesịrị naanị ọchịchọ na ụfọdụ ihe ọmụma.

Ụzọ mee ka n'ụlọ burnishing ígwè

The mfe nke ha - mmanụ mkpuchi na ụdi kpo oku nke metal. Nke a na-eme dị ka ndị a. The preform na-kpochara na degreased na mgbe ụlọ akwụkwọ ji agwụ na a mkpa oyi akwa nke ghọọ (dị ihe oriri na mmanụ). Ọ na-ama ahụ etinye n'ime oven ma ọ bụ ot oven na kpụ ọkụ n'ọnụ na nnù degrees. N'ihi bụ a inogide ji achọ film nke ọchịchịrị aja aja na agba.

Ụzọ ọzọ ịrụ bluing home metal blanks sie ike alkaline ngwọta (potassium, sodium hydroxide). Na nke a, na metal enweta a mara mma-acha anụnụ anụnụ na agba, ma na browning na-adịghị nnọọ akpọ - mfe. Ya mere, usoro a bụ ihe kwesịrị ekwesị n'ihi na obere-sized metal akpọkwa cylindrical udi. N'ihi na a ọzọ akpọ-acha anụnụ anụnụ-nwa tint preform ga-esikwa na a ngwọta esịnede 1 liter mmiri, a nkeji iri na ise kilogram nke sodium nitrite, 700 g nke sodium hydroxide na 200 grams nke sodium nitrate.

The kasị mgbagwoju anya n'ụzọ ime blueing n'ụlọ, ma na-enye ndị nsonaazụ kacha mma - mgbaze preform na a gbazee nke sodium nitrate. The usoro ga-ewere ọnọdụ na a okpomọkụ nke 350 degrees Celsius. N'ụzọ dị otú a otu onye nwere ike inweta a nnọọ siri ike, mara mma bluish hue oxide film.

Browning égbè orù

All n'elu ụzọ na-burnishing n'ụlọ bụghị nnọọ na ọdabara ka iweghachi egbe gbọmgbọm. N'ihi na nke a na-arụ ọrụ e nwere a pụrụ iche mejupụtara, nke nwere ike zụrụ ke ọpụrụiche na-echekwa. Ọ bụrụ na ndị dị otú ahụ a owuwu na-echekwa e ma ọ bụ n'ihi ihe ụfọdụ na ya iji bụ ekwesighi, ndị na-esonụ bụ a ezi ụzọ na-egosipụta burnishing Kporo n'ụlọ.

Dị ka na-eji ike igwe anaghị agba nchara anwụrụ nke kwesịrị ekwesị dayameta na ogologo. Otu njedebe nke anwụrụ a na-anọkwasị.

1. Kporo iji abrasive ihe na-yipụ si nchara na ndị agadi bluing mgbe egbu maramara gburugburu chere.

2. On ma nsọtụ nke ị ga na-emechi na plọg eguzogide chemical elekọta mmadụ. The elu nke workpiece na-degreased ná nkebi abụọ. First, nanị kpochapụrụ na mmanụ ụgbọala na mgbe ị ga na-mikpuru maka nkeji iri abụọ na kpụ ọkụ n'ọnụ ngwọta 70 degrees. Mejupụtara nke ihe ngwọta bụ dị ka ndị: One liter mmiri, 50 g nke sodium hydroxide, na iri atọ grams nke soda ash, otu ego nke sodium phosphate, na 5 grams nke silica gluu.

3. Iji wepu ndị okenye oxide film, mee pickled ma ọ bụ na-adịghị ike etching. Gbọmgbọm na tinye na ise percent ngwọta nke na igirigi ibu sulphuric acid ma na-e maka otu nkeji.

4. The isi usoro emee eji otu okenye ihe ngwọta nke phosphoric acid (0,7 / 100), ammonium chloride (6/100), sodium hyposulfite (8/100) na nitric acid (0.3 / 100). Kporo "esie" na okpomọkụ nke 70 deg. otu awa.

5. Iji idozi dapụtara oxide film, na workpiece e mikpuru maka nkeji ise na a potassium bichromate ngwọta (120 g kwa liter mmiri). The okpomọkụ nke 70 degrees ngwọta.

Mgbe metal burnishing usoro ke ufọk na-agwụ agwụ site ọma saa orù, mgbe ha na ihe ọ bụla ikpe enweghị ike iwere na iferi aka. Uche pụrụ iche na nke ọ bụla nhazi usoro e kwesịrị nchekwa jikoro! All bekee bụ nnọọ ike ike!