Sandpaper: labeling na ojiji nke

Na -ekwu okwu sandpaper-akpọkarị "sandpaper" ma ọ bụ "anụ."

Ọ mejupụtara a akwụkwọ ma ọ bụ ákwà isi ntekwasa na a oyi akwa nke abrasive ihe onwunwe.

On mmepụta metụtara na nhazi nke osisi, plastic, metal, iko nwere ike ime na-enweghị nazhdachki. Ọ dị oké mkpa mgbe wepụ ochie agba, e nweghị ọzọ ma ọ bụrụ na ị chọrọ iji dozie elu primer na agba, wdg

The oge ochie Chinese na narị afọ nke 13 na-enyemaka nke ihe nyagide dabeere na starch rapaara na jiri akpụkpọ anụ osisi osisi, finely ground ájá na shells.

The prototype nke sanding akwụkwọ a na-ewere a "iko akwụkwọ" n'ihi na eji maka ya n'ichepụta nkeji iko ahụ.

Na 1834, ihe American engineer A. Fischer Jr. mbụ patented mmepụta nke Emery ákwà, abrasive ọka nke siworo Karbid Kremniya na alumina.

I kwesịrị ịma na ọka sandpaper na nwere otu onye nke isi e ji mara.

Conventionally, akwụkwọ akụkọ ekewa iche iche: Ntụ, ọkara na ịrụ ezi ọka akwụkwọ.

Ọka size na-ekpebi ụdị ọrụ maka nke bụ sandpaper. Labeling ga-enyere ya aka ịhọrọ.

Emery rụrụ ọrụ na akọrọ na mmiri ọgwụgwọ nke na-ebupụta nke ihe nile di iche iche putty.

N'ihi na dị iche iche iche nke na-arụ ọrụ na-eji ịmata ọdịiche dị n'etiti ọka na ndabere nke sandpaper. Akara na a akpan akpan akwụkwọ.

grit sandpaper

N - labeling nke ụlọ ngwaahịa (ochie).

P - labeling nke dị ngwaahịa na ọhụrụ labeling nke ụlọ ngwaahịa.

Manufacturers na-emepụta ngwá ahịa n'ihi na mbupụ, jiri otu uwa ọkọlọtọ designation ọka size.

Na ụfọdụ na-ekwu nke Union osụhọ sandpaper, na-akanye okokụre ngwaahịa Emery mmepụta na-rụrụ dị ka GOST (ochie).

The otu ihe na-eme na Canada, China, na US na Japan, ebe anụ ụlọ ahịa na-arụ ya na akara.

European Standard (GOST ọhụrụ) na-egosi onye na-abawanye nke ụkpụrụ na usen ọka size. Kpamkpam dị iche iche na mba ndị a na-akara na sandpaper.

Standard, ka ihe atụ, e mere ya na ụkpụrụ na-, on Kama nke ahụ, mbelata na usen ọka size.

Ndịrịta iche ndị a na-apụghị ileghara anya mgbe ịzụta abrasive ngwaahịa na ókèala ndị bụbu Soviet Union, dị ka Nke a dị iche nwere ike ịkpata nnweta nke na-ezighị ezi ngwongwo.

Ọ ga-kwuru na dị akwụkwọ esiwak ere ngwaahịa, na anụ ụlọ na - na na-apụta, na-ere ya mita.

Ọ bụrụ na akwụkwọ a na-eji na-adị kwa ụbọchị ndụ, ọ dịghị mkpa ka na-echeta akara. Ọ bụ naanị na ọ dị mkpa ịmata na ochie labeling bụ na akwụkwọ ozi H mgbe ọnụ ọgụgụ, na ọhụrụ na akwụkwọ ozi P, ọnụ ọgụgụ.

On agbara akụkụ nke mpempe akwụkwọ, e nwere ndị ọzọ e. Ha nwere ike inwe extra ọmụma banyere sandpaper: ọ dabeere, nkà na ụzụ nke mmepụta, ụdị nke abrasive ọka ihe onwunwe, ụdị nyagide, wdg ...

Ugbu a na ị maara ihe ndị sandpaper. Akara? Na ya, unu onwe unu, ghọtara. Ọ na-anọgide na-achọ ihe niile a obi ụtọ ma na-arụpụta ọrụ.