Galvanic bath na aka ya. The liner na kpo oku nke galvanic bath

Maara okwu "ọlaedo", "silver plated", "chrome" ma ọ bụ "nickel" na-ama guzosie ike ọkọwa okwu nke mmadụ n'oge a, na-aghọta ha fọrọ nke nta ka na-akpaghị aka. Ọ dịghị onye ọbụna na-eche na okwu ndị a niile na-ezo technology ga-ekwe ka a onye iru n'ogo nke mmepeanya ọgbara ọhụrụ na - electroplating.

Electroplating - ihe bụ usoro a?

The electrochemical usoro nke ihe eletrik bụ deposition nke ọla na a họrọ elu, a na-akpọ electroplating. Ndị dị otú ahụ a usoro nwere ike etinyere ọ bụla ihe, ọbụna na-abụghị ọla. Nke a bụ bụrụkwa maka nile iji plating dị iche iche ọrụ. Na ya nwere ike sweeten, ọlaọcha, na chrome plated ihe ọ bụla ennobling ọdịdị ha maka ji achọ nzube ma ọ bụ na-agbanwe agbanwe na nke anụ ahụ chemical Njirimara nke elu na a kpere ihe ndị bara (ntọt wear eguzogide, melite iguzogide ike ike media na t. D.). Equipment ebe a bụ galvanic bath.

ụdị plating

E nwere ihe abụọ na ụdị nke a na nkà na ụzụ e n'ọtụtụ ebe ọ bụghị nanị na ọtụtụ alaka nke oge a na ụlọ ọrụ, ma na-n'ụlọ. Mmalite - electroforming - Aims ike kpọmkwem mbipụta nke ihe-edebe na-ebupụta nke a metal. Nke abụọ, ihe ndị kasị na n'ụlọ na-arụ ọrụ, bụ inye a mkpa - dịghị thicker karịa a mmadụ ntutu - mkpuchi ofụri elu nke ihe a na-akpọ site electroplating.

Gịnị bụ plating bath?

Ebe ọ bụ na galvanic Filiks ime n'ihi electrolysis, n'ezie, na-eji electrolytic ngwọta na a pụrụ iche n'ibu na ọkụ na ngwá. Galvanic bath - a Nchikota niile ndị a akụkụ nke usoro, ma isi mmiri, nke na-ụba chọrọ, bụ ihe ngwọta (electrolyte) , na ike maka ya. Nke a dị mkpa karịsịa ma ọ bụrụ na e nwere a okwu banyere iji electroplating ma ọ bụ electroforming n'ụlọ.

N'ihi na containers maka electroforming na-ụba general chọrọ nke, n'agbanyeghị eziokwu ahụ bụ na ndị a na ụdị containers bụ mara mma nke ukwuu niile ha nwere na-nditịm esoriri. Ha ga-enwe uko na na ya na-anọpụ iche na eji solution, ike ịnọgide na-enwe achọrọ thermal ọnọdụ (kpo oku electroplating baths na obi jụrụ ga-achịkwa), nakwa dị ka ala na mma-iji rụọ ọrụ. Bathtubs na-mere nke dị iche iche ihe.

Ụzọ nke analysis of plating baths

N'ihi oge a ọrụ oge na e nwere ohere ọhụrụ maka analysis of electrolyte eji na electroplating usoro. Ọ dị mkpa ka a mma n'ihi nke usoro, ọzọ edo na inogide mkpuchi. Analysis nke electroplating baths na ọnọdụ nwere ike rụrụ iji chemical na physico-chemical ụzọ. Nke abụọ ahụ, ndị photometric ọmụmụ, polarographic, amperometric na potentiometric ụzọ na-enye mma na ya pụta mgbe ịchọpụta ihe ndị mejupụtara nke electrolyte.

Nchedo nke galvanic tankị

Otu n'ime nsogbu electrochemical Filiks - bụ nchebe nke tankị si emebiri mmetụta nke electrolyte ngwọta (acid ma ọ bụ alkali) na nke electrolysis emee. Ọ bụrụ na saa na-mere nke na-anọpụ iche ihe onwunwe dị ka plastic, na e nweghị nsogbu. Ma nke a bụ na o kwere omume na na ikpe nke obere mpịakọta. Ọ bụrụ na anyị na-na-ulo oru echichi, mgbe electroplating ọrụ ngwọta akpa ka nke metal. Na nke a, na e nwere mkpa iji chebe ha pụọ:

- na kọntaktị na a ngwọta na-enye a ogologo ọrụ ndụ;

- metal corrosion, emepụta na-enweghị isi adịghị na ihe;

- distortion na mgbanwe nke electric ubi.

Nchebe dị otú ahụ nwere ike inye electroplating baths lining ekenịmde polymeric mpempe akwụkwọ ihe site na-ekpo ọkụ ikuku ịgbado ọkụ.

Na-eme ka n'ụlọ-plating baths

N'ịchọ ka nwere galvanized ebupụta n'ụlọ gị ma ọ bụ ụgbọala nnọọ ọtụtụ. Ma, ọ ga-ahụ kwuru na usoro a abụghị mma. Na-emerụ na-agbawa agbawa vapors, corrosive na ọbụna na-egbu egbu ngwọta, na ojiji nke na ọkụ eletrik na-eme ka o sie ike, site n'akụkụ nke nchekwa. Ma n'ihi na mfe aga-eme otú ahụ dị ka ọla kọpa plating, Chrome plating, nickel plating bath obere ihe nwere ike ikpokọta site na improvised. Na ọbụna na nke a, ọtụtụ ihe dị mkpa a chọrọ ga-zutere:

- n'ihi na a ngwọta akpa ga-isiike, na ya na-anọpụ iche na dielectric;

- chọrọ ventilashion;

- ọnụnọ nke a zuru ezu ego nke dị ọcha mmiri - mfe usoro na-achọ na ojiji nke ise washes;

- ọnụnọ nke akpa na n'aka maka iche iche n'efu liquors na effluents.

The mfe n'onwe nke plating bath nwere ike mere nke plastic Mkpọ, igbupụ okpu si na olu na-emesi nke n'akụkụ nke nwee ume na ihe onwunwe. Ọzọ, na mgbidi nke ịkpụ-apụ ike, na-eyi ma ọ bụ akpakanamde window akàrà. The nzọụkwụ ọzọ bụ efego cover na-enyemaka nke piano-adabere n'otu akụkụ nke tragaasi na-arịọnụ mkpachị na cover na mgbidi na-abụghị n'akụkụ nke arịa. The ọnụ na mkpuchi jikọọ na sooks maka wepụ Alụlụụ si - mfe iyuzucha.

Ọ ugbu a na-anọgide na-eme na elu nke ite site cutoff akara atọ-onu kọntaktị mkpara. Mkpara desirably mere nke a ọla kọpa anwụrụ nke 10-20 mm n'obosara, oké walled mma. plyuschatsya agwụ nke akpa na ha gbapuru oghere jikọọ okporo osisi si ike ọkọnọ. Na nkpa-n'aka, enịm tinyere n'ọnụ kpọgidere anode efere na jikọọ na mma isi iyi. The Central mkpanaka kwụsịtụrụ akụkụ, bụ a cathode ejikọrọ na-ezighị ezi ụzọ. ugbu a na voltaji họrọ dabere na olu nke bath.

Atụmatụ arụrụ n'ụlọ electroplating baths

The mfe atụmatụ plating bath agụnye a ngụkọta nke atọ arụmọrụ: preparatory n'ezie galvanizing usoro na finishing. The mbụ mejupụtara na ihicha, degreasing, etching na polishing nke ihe ma ọ bụ akụkụ - ọzụzụ. Nzọụkwụ nke atọ na-enye ohere iji mee ka ndị na-ama ntekwasa na a oyi akwa nke metal na item "nnweta" ụdị, site passivation, na buffing t. D. Onye ọ bụla ime ihe ga-kwụsị site saa na oyi na mmiri dị ọcha. Ma ọ bụrụ na ihe na-esichara site na alkaline ngwọta, jide n'aka na-eme bụ ịsa, mbụ na-ekpo ọkụ, mgbe ahụ, oyi na-atụ mmiri.

Item, nke a chọrọ ka uwe, na jikọọ na-adịghị mma na-eduzi ya ngwaọrụ (cathode) na lowered n'ime electrolyte. The mma ụzọ jikọọ ihe electrode nke a metal mkpuchi (anode), nke nwekwara adaghị ngwọta. Electrolysis ka soluble anode (+) na metal edebe na workpiece, na cathode (-).

The uru nke electroplating maka oge a mmepụta

Galvanic bath, nke electroforming ma ọ bụ electroplating usoro, a azụmahịa ọnụ ọgụgụ bụ ma a na nwa nke na-enwe ọganihu, na ya na-anya ụgbọ ike. N'ihi na ekele electroplated coatings mma e ji mara na usoro akụkụ, na-ebelata-eri nke ha mmepụta a na-enweta ndị kasị elu kpomkwem conjugation abawanye eyi-eguzogide ma na corrosion na-eguzogide na-ụba.