Blow bar a wɔde yɛ dade a wɔde yɛ nneɛma a wɔfrɛ no liner mprɛte .

 

 

High-Chromium cast iron liners wɔ wear resistance a ɛkorɔn ne ɔsom nkwa tenten, na nnwuma no agye atom bere tenten. Wɔn adwumayɛ a ɛkorɔn no gyina hɔ ma mprempren dade a ɛho ayɛ fĩ a ɛkorɔn sen biara-nneɛma a ɛko tia. Nanso, esiane wɔn aduru a ɛdɔɔso ne ɛka a wɔbɔ wɔ nneɛma a wɔyɛ ho kɛse nti, wɔn nkɔso ne wɔn a wɔde di dwuma no anya nkɛntɛnso wɔ ɔkwan soronko so, na ɛde wɔn a wɔmfa nni dwuma kɛse no aba. High-Chromium cast iron liners no agye din wɔ wɔn ahoɔden a ɛkorɔn, ɛyɛ den ne wɔn ho a wɔde gyina ano no ho. Wɔde adi dwuma kɛse wɔ bɔɔlbɔ adwumayɛbea akɛse mu wɔ semɛnte adwuma mu wɔ amannɔne, a nnipa nyinaa nkwa nna yɛ bɛyɛ mfe 8, na wɔ adan a ɛto so abien ne abiɛsa mu no, ebetumi adi boro mfe 12, na ebinom betumi adi mfe 20, a ɛkyerɛ sɛ wɔsɔre tia ntade a ɛfata yiye.

 

 

 

Ɔsoro-Chromium alloy liner mprɛte .

1. Nneɛma a wɔde yɛ: Chromium a wɔde afra a ɛkorɔn a wɔde ahyɛ mu a wɔde hyɛ mu-aduru a ɛko tia no yɛ chromium, carbon, molybdenum, nickel ne nneɛma afoforo titiriw. Chromium a ɛwɔ mu no taa yɛ 12% ne 30% ntam, na carbon a ɛwɔ mu no yɛ 1.0% kɔsi 3.0%. The chemical composition test of a certain manufacturer's high chromium alloy liner shows that the chromium content is 25%, the carbon content is 2.0%, and the molybdenum content is 2.5%, and it also contains a small amount of nickel and vanadium, which meets the component requirements of high chromium cast iron as stipulated in GB/T17445-2019.
2. Metallographic su: Metallographic nhyehyɛe a ɛwɔ chromium a wɔde afra a ɛkorɔn no mu a wɔde ahyɛ mu-aduru a ɛko tia no yɛ martensite matrix, eutectic carbides ne carbides a ɛto so abien. Eutectic carbides no kyekyɛ wɔ nkitahodi a ɛkɔ so anaasɛ enni hɔ mu, a ɛyɛ den kosi HV1600. Metallographic sɔhwɛ a ɛwɔ liner pɔtee bi mu no kyerɛ sɛ eutectic carbides no fã no yɛ 35%, a wɔkyekyɛ no pɛpɛɛpɛ wɔ martensite matrix no so, na ɛma wotumi gyina ɔporɔw a ɛyɛ fɛ ano.
3. Mfiridwuma mu adwumayɛ ho nsɛnkyerɛnne: chromium alloy cast wear a ɛkorɔn-resistant liner no wɔ hardness a ɛkorɔn ne wear resistance. Rockwell hardness HRC tumi du 58-65. Nneɛma a ɛyɛ den ankasa a ɛwɔ liner pɔtee bi mu ne HRC62, na wɔ quartz sand wear test mu no, wear rate yɛ 0.08g/cm’ pɛ. Wɔ nkɛntɛnsoɔ a ɛyɛ den ho no, nkɛntɛnsoɔ a ɛwɔ so no tumi yɛ 15-25J. Nkɛntɛnso a ɛtwetwe ahoɔden a ɛwɔ liner bi a wɔasɔ ahwɛ wɔ 20J impact ahoɔden ase ne sɛ mpaapaemu anaasɛ mpaapaemu biara mma.
4. Casting Process nsɛntitiriw: Wɔde anhwea a wɔde gu anaasɛ foam a ayera na ɛtow chromium alloy liner a ɛkorɔn no. Wɔ anhwea a wɔde gu mu ho no, wɔpaw nneɛma a wɔde nwene nneɛma no sɛ silica anhwea ne resin, na ɛsɛ sɛ wɔma nkuku no yow wɔ ɔhyew a ɛkorɔn mu. Wɔ liner casting nhyehyɛe no mu no, ɔhyew a ɛma ɛyow no yɛ 300℃, na bere a wɔde kura no yɛ nnɔnhwerew 4 a wɔde siw casting sintɔ ahorow ano. Wɔ foam a ayera mu no, ɛsɛ sɛ wɔde aduru a ɛyɛ hyew kata foam mold no so, wɔma ɛyow, na afei wɔde nhyɛso bɔne gu so. Liner a ɛyɛ manufacturer bi a ɛnam foam a ɛyera so no yɛ no wɔ soro roughness RA < 12.5hb, a CT9 level yɛ pɛpɛɛpɛ.
5. Ɔhyew ayaresa nhyehyɛe ho nsɛm: Ɔhyew ayaresa a ɛwɔ chromium alloy liner a ɛkorɔn no mu no bi ne quenching ne tempering. Ɔhyew a wɔde dum no yɛ 950-1050℃, na wɔkyerɛ bere a wɔde kura mu no sɛnea ne kɛse te. Sɛ wopɛ 20mm liner a, bere a wode kura no yɛ nnɔnhwerew 2. Wɔde ngo a ɛyɛ nwini anaa mframa a ɛyɛ nwini di dwuma. Sɛnea liner pɔtee bi yɛ den bere a wɔadum no akyi no yɛ HRC60. Tempering temperature yɛ 200-300℃, na bere a wɔde kura mu no yɛ nnɔnhwerew 2 a wɔde beyi emu adwennwen afi hɔ. Nkɛntɛnso a ɛtwetwe ahoɔden a ɛwɔ liner pɔtee bi mu wɔ tempering akyi no kɔ soro 10%, bere a ɛkɔ so yɛ den kɛse no.

Dɛn nti na ɛsɛ sɛ wɔpaw yɛn .

 

Nneɛma a wɔde bua ntɛmntɛm a ɛwɔ nneɛma a ɛho ka yɛ den a ɛho ka yɛ den a ɛho ka yɛ den .

Dɛn nti na ɛsɛ sɛ yɛpaw yɛn nneɛma .

 

1. 20 Mfeɛ osuahu wɔ casting cast iron plate, quality assurance, delivery a ɛyɛ ne berɛ mu .
2. Mfiri a edi mũ a wɔde yɛ adwuma ne nea wɔde hwɛ nneɛma mu no betumi ama wɔanya afã horow a wɔawie no tẽẽ na adi adetɔfo nhwehwɛmu ahwehwɛde ahorow ho dwuma .
3. Ɛwɔ hokwan ahorow a ɛde ne ho fi amannɔne ba ne nea ɛde kɔ amannɔne na ebetumi de nneɛma akɔ wiase mmeae nyinaa .

Tags a ɛyɛ hyew .: Blow bar for steel millcasting liner plate, china blow bar a wɔde yɛ dade a wɔde yɛ nneɛma a wɔfrɛ no millcasting mprɛte a wɔyɛ, wɔn a wɔde nneɛma ma, adwumayɛbea