Nneɛma ne nneɛma a ɛwɔ hɔ:
Hard alloy mold no gyina tungsten-cobalt (WC-CO) alloy so, a cobalt mu nsɛm no ayɛ nsakrae wɔ 6%-25% a egyina application tebea no so. Nneɛma no wɔ microhardness a ɛyɛ HRA89-93, flexural ahoɔden a ɛyɛ 3000-4000MPa, ne thermal expansion coefficient a ɛyɛ (4.5-6.5)×10^-6/℃, a ɛhwɛ ma structure stability wɔ ɔhyew a ɛkɔ soro kodu 800℃. Ne wear resistance no korɔn mpɛn 20-30 sen adwinnade dade, na ɛma ɛyɛ nea eye ma high-stress friction applications.
Nneɛma a wɔyɛ: .
Nneɛma a wɔyɛ no titiriw no bi ne .
Powder metallurgy ahosiesie: Wɔde tungsten carbide ne cobalt powder fra na wɔde mia, afei wɔde sintered wɔ vacuum ase wɔ 1360-1500℃ma ɛyɛ dense aduru.
Precision grinding: Wɔde diamond grinding wheel di dwuma ma nanometer-level surface processing, a ɛma ra0.02μm yɛ mmerɛw.
Ɔhyew ayaresa ma ahoɔden: Low-Pressure nitriding na wɔde di dwuma ma ɛkɔ soro wɔ soro hardness to over HV1800.
Structural optimization: Wɔde gradient design technology di dwuma de hwɛ sɛ cobalt a ɛwɔ nsusuwso no ani so no sua sen nea ɛwɔ mu no, ɛkari pɛ wɔ ɔporɔw a ɛko tia ne toughness mu.
Application fields: .
Wɔ mfiridwuma mu nneɛma a wɔyɛ mu no, wɔde di dwuma titiriw wɔ mmeae a edidi so yi .
Dadeɛ a wɔde yɛ adwuma: φ0.1-20mm waya a wɔde yɛ mfonini ne ne yɛ, a ɛyɛ pɛpɛɛpɛ ±0.005mm ma waya ho dwumadie.
Automotive Manufacturing: Engine valve nkongua nkaa a ɛyɛ nwini, a nkuku biako pɛ na ebetumi adi kyinhyia bɛboro 500,000.
Petroleum extraction: Anti-Sulfur valve sealing components a wɔyɛ, a ebetumi ayɛ adwuma yiye wɔ tebea a H2S dodow yɛ 15% mu.
Electronics Industry: Precision stamping a ɛyɛ lead frame ahorow, a ɛwɔ blank clearance a ɛba fam koraa 0.003mm .
