Hardware nnwinnade, sɛ nnwinnade a ɛho hia ma nnɛyi nnwuma ne da biara da nsiesie, hwehwɛ nneɛma ahorow pii a wɔde yɛ nneɛma ne akwan a wɔfa so yɛ ho adwuma. Nnwinnade a wɔde yɛ nneɛma a wɔde yɛ nneɛma a wɔde yɛ nneɛma no gyina dade nneɛma a wɔpaw, nnuru a wɔde yɛ nneɛma a wɔde yɛ nneɛma, ɔhyew a wɔde yɛ nneɛma, ne mfiridwuma a wɔde yɛ nneɛma a ɛwɔ soro so titiriw de hwɛ hu sɛ nnwinnade no wɔ ahoɔden a ɛkorɔn, nea ɛko tia ɔporɔw, ne nkwa tenten. Saa asɛm yi bɛka akwan titiriw a wɔfa so yɛ adwuma ne akwan titiriw a wɔfa so yɛ hardware nnwinnade ho asɛm kɔ akyiri.
1. Dadeɛ Nneɛma a Wɔpaw ne Nea Wɔdi Kan Yɛ .
Nneɛma a wɔde yɛ hardware a wɔde yɛ adwuma no gyina nneɛma a wɔde yɛ dade a wɔde yɛ adwuma no so titiriw. Nneɛma a wɔtaa de yɛ hardware adwinnade no bi ne carbon steel, alloy steel, stainless steel, ne non{1}}derous metals (te sɛ kɔbere, aluminium, ne wɔn alloys). Carbon Steel, esiane sɛ ɛho ka sua na ɛnyɛ den sɛ wɔbɛyɛ ho adwuma nti, wɔde di dwuma kɛse wɔ nnwinnade te sɛ wrenches ne screwdrivers mu. Wɔde dade a ɛyɛ den yiye, a ɛyɛ den-ɛko tia dade a ɛyɛ den (te sɛ chrome-vanadium dade ne ade a ɛkorɔn-Speed dade) di dwuma wɔ nneɛma a wɔde gu mu a ɛkorɔn-de nneɛma te sɛ drill bits ne saw blades a wɔyɛ mu.
Ansa na wɔbɛyɛ nneɛma a wɔde dade ayɛ no, mpɛn pii no, wɔyɛ dade nneɛma a wɔde di kan yɛ, a nea ɛka ho ne nsu a ɛyɛ hyew, nea wɔde gu mu, ne nea edi kan a wɔde yɛ nneɛma. Wɔ melting nhyehyɛe no mu no, ɛsɛ sɛ wɔhwɛ nneɛma te sɛ carbon, manganese, ne chromium so pɛpɛɛpɛ na ama nneɛma no ayɛ adwuma yiye. Bere a wɔatow no awie no, dade billet no fa mu anaasɛ ɛbobɔw mu de siesie ne mu nhyehyɛe no na ɛma n’ahoɔden ne n’ahoɔden tu mpɔn.
2. Alloying ne ɔhyew ayaresa akwan .
Alloying yɛ anammɔn titiriw a ɛbɛma hardware nnwinnade no adwumayɛ atu mpɔn. Sɛ nhwɛso no, nneɛma te sɛ chromium (CR), vanadium (V), ne molybdenum (MO) a wɔde ka carbon dade ho a wɔde ka ho no ma ne den, sɛnea ɛko tia nsɛe, ne sɛnea ɛma ɔhyew no gyina no yɛ kɛse kɛse. High-Speed steel (te sɛ W18CR4V), esiane sɛ wɔde tungsten (W), chromium (CR), ne vanadium (V) aka ho nti, ɛfata sɛ wɔyɛ no kɛse-nnwuma a wɔde twa ntɛmntɛm.
Ɔhyew a wɔde yɛ adwuma no yɛ ade titiriw a wɔde yɛ hardware nnwinnade na nea ɛka ho titiriw ne dum a wɔde dum, nea ɛma obi ho yɛ hyew, ne nea ɛma obi ho yɛ hyew. Sɛ wodum nneɛma no ma ɛyɛ den denam onwini a ɛyɛ ntɛm so, nanso eyi betumi ama brittleness ayɛ kɛse, na ɛho hia sɛ wɔde temper a edi hɔ no kari pɛ na ama ayɛ den na ayɛ den. Annealing brɛ nneɛma no mu den ase na ɛma ne mfiridwuma tu mpɔn. Sɛ nhwɛso no, High-carbon dadeɛ nnwinnadeɛ taa fa dum mu na ɛba fam-temperature tempering akyi a wɔayɛ awie na ama wɔanya adwumayɛ a ɛyɛ papa.
3. Mfiridwuma a Wɔhyehyɛ ne Nea Wɔyɛ .
Akwan titiriw a wɔfa so yɛ hardware nnwinnade no bi ne forging, casting, stamping, ne mfiri. Forging fata ma adwinnan a ɛkorɔn-ahoɔden nnwinnade (te sɛ hama ne pliers). High-temperature forging no ma dade aburow no yɛ yiye na ɛma mfiridwuma mu nneɛma tu mpɔn. Wɔde casting di dwuma ma nnwinnade a ɛwɔ nsusuwii a ɛyɛ den (te sɛ wrenches anaa nsusuwso ahorow bi), nanso mpɛn pii no ɛhwehwɛ sɛ wɔyɛ mfiri a edi hɔ na ama pɛpɛɛpɛyɛ atu mpɔn.
Machining (te sɛ turning, milling, ne grinding) yɛ anammɔn titiriw wɔ hardware nnwinnade a wɔde wie mu. Sɛ nhwɛso no, drill bit a ɛyɛ twitwa no hwehwɛ sɛ wɔyɛ no pɛpɛɛpɛ na ama ayɛ nnam na akyɛ. Bio nso, CNC mfiridwuma ho nimdeɛ a wɔde di dwuma no ma wotumi yɛ nnwinnade a ɛwɔ geometries a ɛyɛ den (te sɛ nea wɔde nsa a ɛyɛ pɛpɛɛpɛ ne soronko-screwdrivers) yɛ no yiye.
4. Nneɛma a wɔde yɛ asase ani ne nea wɔde kata so .
Surface treatment technology ho hia kɛse na ama wear resistance, corrosion resistance, ne service life a ɛwɔ hardware nnwinnade mu no ayɛ kɛse. Akwan a wɔtaa fa so sa yare no bi ne anyinam ahoɔden a wɔde yɛ aduru (te sɛ galvanizing ne chromium a wɔde hyɛ mu), carburizing, ne nitriding. Electroplating yɛ ahobammɔ layer wɔ adwinnade no ani so na asiw rust ano, bere a carburizing ne nitriding ma soro den yɛ den denam nnuru a wɔde yɛ ɔhyew so.
Wɔ nnansa yi mfeɛ mu no, wɔde mfiridwuma a wɔde kata adeɛ so (te sɛ tin ne Tialn coatings) adi dwuma kɛseɛ wɔ-awieɛ hardware nnwinnadeɛ mu. Saa superhard coatings yi betumi ama adwinnade a wɔde twa adwumayɛ ne wear resistance atu mpɔn kɛse, atrɛw adwinnade nkwa mu. Sɛ nhwɛso no, drill bits a wɔakata so no yɛ adwuma yiye mpɛn pii wɔ dade adwumayɛ mu sen drill bits a wɔtaa de di dwuma no.
5. Awiei .
Hardware nnwinnade a wɔde yɛ adwuma no yɛ adeyɛ a ɛfa nneɛma ahorow ho a ɛfa nneɛma ho nyansahu, ɔhyew a wɔde yɛ adwuma, mfiri, ne asase ani mfiridwuma ho. Ɛdenam ntease nneɛma a wɔpaw, alloy nhyehyɛe, pɛpɛɛpɛ ɔhyew ayaresa, ne advanced soro ayaresa akwan, high-performance ne highly ahotoso hardware nnwinnade betumi ayɛ. Daakye, ɛnam nneɛma foforɔ a wɔreyɛ (te sɛ powder metallurgy high-Speed Steel ne composite nneɛma) ne nyansa a wɔde yɛ nneɛma nti, wɔbɛma hardware nnwinnadeɛ a wɔde bɛyɛ adwuma no ayɛ papa bio sɛdeɛ ɛbɛyɛ a ɛbɛdi ahwehwɛdeɛ a ɛwɔ mfiridwuma gyinapɛn a ɛkorɔn ho dwuma.
