Nneɛma a wɔpaw ma kar nhama di nnyinasosɛm abien a ɛne "nsɛm ho amanneɛbɔfo a ɛne wɔn ho wɔn ho hyia + nneɛma a atwa yɛn ho ahyia a wɔsakra no" akyi. Amanneɛ kwan so pɛtro nhama titiriw na ɛde rɔba a wɔahyɛ no den a ɛwɔ rɔba a wɔabɔ no mu abien-layer braided rɔba a wɔahyɛ no den (a ngo a ɛwɔ mu-nitrile rɔba a ɛko tia ne akyi a ɛbɔ ho ban a ɛyɛ chlorosulfonated polyethylene) di dwuma. Nnɛyi a ɛkorɔn-Adwumayɛ nkyerɛase ahorow no de fluoroelastomer (FKM) a wɔde ko tia biofuel a asɛe no ka ho. Cooling system piping no anya mfiridwuma mu nkɔso fi dade a wɔde gu mu so kosi kɔbere so kosi aluminum a wɔde afra mu a wɔabom ayɛ so. Mprempren "plastic-aluminum-plastic" abiɛsa-layer composite tubing (Pap tubing) de aluminium mfinimfini fã di dwuma ma ɔhyew a ɛkɔ so yiye, bere a mu ne akyi plastic layers no ma corrosion resistance no yɛ kɛse. Brake lines no wɔ rigid steel tubing ne rɔba hoses a ɛyɛ den a wɔaka abom: transmission line titiriw no de abien-layer, coil-Welded steel tubing (wall thickness 0.6-1.0mm) di dwuma wɔ SAE J1401 gyinapɛn ahorow no mu, bere a Flexible Connection Sections uses Sections bi a wɔde popaa geped geped geped geped 0. Wɔtaa de{18}}Pressure cooling pipes ma kar foforo a ahoɔden wom no yɛ nea ɛkorɔn-temperature-ɛko tia mfiridwuma mu plastic a ɛko tia te sɛ nylon 12 (PA12) anaa polyamide-imide (PAI). Ebinom a ɛkorɔn-end applications de complex pipe structures a wɔayɛ denam metal injection molding (MIM) nhyehyɛe no so di dwuma.
Wɔ akwan a wɔfa so yɛ nneɛma ho no, nnɛyi kar ho nhama a wɔyɛ no ayɛ nhyehyɛe a ɛyɛ soronko koraa. Rɔba hose a wɔyɛ no de anan-afã a ɛwɔ mu no di dwuma: Inner tube extrusion → fiber/steel wire braid reinforcement → Outer tube coating → vulcanization and shaping. Ɔhyew ne bere sohwɛ a ɛyɛ pɛpɛɛpɛ a vulcanization nhyehyɛe no nya no nya paipu no kyɛ so nkɛntɛnso tẽẽ. Metal pipe processing de mfiridwuma a ɛkɔ anim te sɛ precision stamping (ma flange end forming), CNC bending (a ɛwɔ bend radius a ɛba fam koraa 1.5D), ne laser welding (ma stainless steel pipe assemblies) ka ho. Nnansa yi 3D tintim mfiri a ɛrekɔ soro no ada mfaso a ɛwɔ so adi wɔ prototyping mu. Selective laser sintering (SLS) ma kwan ma wɔyɛ paipu nhwɛsode ahorow a ɛwɔ mu a ɛyɛ den wɔ mu no tẽẽ. Nea ɛda nsow ne sɛ, nneɛma a atwa yɛn ho ahyia ho mmara rema mfiridwuma mu mfiridwuma a ɛyɛ ahabammono a wɔde di dwuma no ayɛ adwuma: nsu-gyinabea a egyina so degreasers a wɔde si atetesɛm solvent cleaning ananmu, kɔbere-free solder ma paipu welding, ne bio-based rɔba nneɛma a wɔreyɛ no nyinaa repue sɛ mmeae foforo wɔ nnwuma no mu.
