ZVIKWERE ZVAKAITWA AKAITWA PREFORM YEKUTAMBURA

Tsanangudzo Pfupi

HARDNESS

Kuoma muhukama kune cobalt yemukati uye saizi yezviyo

Kuomarara (hardness in English) ndiko kushingirira kwechinhu kune chimwe chinhu chakaoma kana chapinda machiri.Ukoshi uhwu hunowanzoyerwa ne “Vickers Hardness process” (ISO 3878) kana “Rockwell Hardness Procedure” (ISO 3738).Kufanana nekupfeka kuramba, kuomarara kunowedzerawo nediki diki saizi uye yakaderera cobalt yemukati.Naizvozvo, kuomarara kunowanzo shandiswa sechiratidzo chekupfeka kuramba.


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Kuputsika Kuoma

Kuputsika kuoma zvine chekuita nehukuru hwezviyo uye cobalt yemukati.

Kana chinhu chinoratidzwa kune kushushikana kwekunze, izvi zvinotungamira kune mechanical tension.Mumamiriro ezvinhu aya, simba uye ductility yezvinhu zvinoratidza hwaro hwepfungwa yekuoma.Mune mamwe mazwi, kuomarara kunotsanangurwa sekukwanisa kuramba kutsemuka kana kutsemuka kukura."Palmqvist Method" inowanzo shandiswa kuona kukosha kwekuoma, KIC.

Ndapota tsanangura zvinotevera pakuodha:

*Zvinhu zvewaya,Low Carbon Steel.Medium Carbon Steel.High Carbon Steel.Stainless Steel.Brass.Aluminium.Iron.Optimum with Code of Materials.

* Musoro Sitaira, ndapota tsanangura kana musoro uine washer.

*Hollow screw, ndokumbirawo tsanangura kana ichishandiswa kune hollow screw.

*Triangle screw, ndapota tsanangura dhayamita yewaya kana ichishandiswa kukona yekona.

*Non-standard screw, ndokumbirawo ubatanidze madhirowa kana masampuli kana ashandiswa kune isiri-standard screw.

Mibvunzo yakajairika pakushandisa screw uye nut mold:

1. Mushandi ane ruzivo rwekugadzira mold uye structural design, achiongorora chikonzero chekugovera kusinganzwisisike kwekufa kwekunetseka kwehutano uye deformation.

2.Kuchena kwe mold, gomba remukati kupera hakuna kukwana.

3.Kuomarara kwegoko remaoko zvinhu, kupikisa kupisa, uye kuomarara kwekupisa hazvina musoro.

4.Kuitira kuchengetedza mutengo wekugadzira, vakasarudza hurombo husina kunaka tungsten carbide simbi uye waya tsvimbo, alloy kutsanangurwa uye kuba zvinhu kurovera mavhiri akakomba hazvina musoro.

5.Iyo collider haina kukodzera, pasina kutsiva mafuta uye kutarisa muchina kwenguva refu.

6.Mushandi wepamusoro wekugadzirisa anofanira kunge ane yepamusoro yepamusoro yepamusoro.


  • Zvakapfuura:
  • Zvinotevera:

  • Nyora meseji yako pano ugotitumira