1. Dadeɛ mu adeɛ .
- Stainless steel: Stainless steel waterproof nuts ma corrosion resistance a ɛkyɛn so na ɛfata sɛ wɔde di dwuma wɔ mmeae a ɛhɔ yɛ nwini anaasɛ ɛporɔw. Dadeɛ a ɛnyɛ den a ɛtaa ba no bi ne 304 ne 316 dadeɛ a ɛnyɛ den. 304 dadeɛ a ɛnyɛ den a nsuo ntumi nkɔ mu no yɛ nea wɔde di dwuma kɛseɛ wɔ nsuo a ɛyɛ nwini ne nsuo pa mu, te sɛ abɔnten so kanea ne nsuo a wɔde yɛ adwuma wɔ adan mu a wɔde yɛ nsuo ne nsuo a ɛkɔ nsuo mu a wɔde yɛ nsuo a ɛnyɛ den a wɔde yɛ nsuo a ɛtumi gyina nsuo a ɛnyɛ den ne nsuo a ɛtumi gyina nsuo ano mpo, na ɛyɛ saa a ɛfata sɛ wɔde nsuo a ɛwɔ nsuo mu no di dwuma.
- Kɔbere: Kɔbere nsu a ɛmma nsu ntumi nkɔ mu ma ɛyɛ adwuma yiye na ɛko tia nsɛe bi. Nneɛma a wɔtaa de yɛ no bi ne kɔbere ne kɔbere. Wɔtaa de kɔbere nsu a nsu ntumi nkɔ mu di dwuma wɔ ɛlɛtrɔnik mfiri ne anyinam ahoɔden mfiri mu efisɛ wɔn nsu a ɛkɔ so yiye no di anyinam ahoɔden nkitahodi ahwehwɛde ahorow ho dwuma na wobetumi nso de adi dwuma wɔ mmeae a ɛnyɛ den na ɛhɔ yɛ nwini. Kɔbere nsu a ɛmma nsu ntumi nkɔ mu no ma mfiridwuma mu nneɛma pa ne nea ɛko tia nsɛe na ɛfata ma nneɛma a ɛhwehwɛ ahoɔden ne nsɛe a ɛko tia, te sɛ hyɛn no mu nneɛma bi a ɛka bom.
- carbon steel: Carbon steel a nsuo ntumi nkɔ mu no ma ahoɔden a ɛkorɔn nanso ɛnyɛ den koraa sɛ ɛbɛko atia nsɛe. Wɔtaa de aduru a wɔde yɛ nneɛma te sɛ galvanizing na ɛsa wɔn yare na ama corrosion resistance ayɛ kɛse. Wɔtaa de carbon steel a nsu ntumi nkɔ mu di dwuma wɔ nneɛma a ɛhwehwɛ ahoɔden kɛse ne mmeae a ɛhɔ yɛ kusuu, te sɛ nea ɛwɔ mfiri a wɔde di dwuma wɔ ɔkwan a ɛkɔ akyiri so no mu. Galvanized carbon steel a nsu ntumi nkɔ mu no ma wotumi gyina nneɛma a atwa yɛn ho ahyia a ɛyɛ nwini ano kodu baabi na enti wotumi de di dwuma kɛse.
2. Nneɛma a wɔde yɛ plastic .
- Nylon: nylon a nsuo ntumi nkɔ mu no mu yɛ hare, ɛma insulation pa, na ɛwɔ nnuru a ɛtumi gyina ano kodu baabi. Wɔtaa de di dwuma wɔ ɛlɛtrɔnik mfiri ne nnwinnade a emu duru yɛ ade a ɛhaw adwene ne baabi a ɛho nhia sɛ wɔde tumi a ɛtwetwe ade kɛse no mu. Nylon nsuo a ɛtumi siw ano no wɔ akɛseɛ ahodoɔ a ɛbɛtumi adi ahwehwɛdeɛ ahodoɔ a ɛfa instɔlehyɛn ho no ho dwuma, na wɔn ho-agyapadeɛ a ɛwɔ mu no hwɛ ma asaawa a ɛyɛ mmerɛw.
- Polytetrafluoroethylene (PTFE): PTFE a ɛma nsuo ntumi nkɔ mu no ma nnuru no gyina yiye, ɛtumi gyina nsɛe ano, na ɛyɛ adeɛ a ɛnyɛ den sɛ ɛbɛbɔ. Wɔfata sɛ wɔde di dwuma a ɛhwehwɛ sɛ nnuru no gyina yiye, te sɛ nnwinnade a wɔde yɛ nnuru ne nnwinnade a wɔde yɛ aduan. Esiane sɛ wɔn friction coefficient sua nti, wɔde di dwuma nso wɔ applications a ɛhwehwɛ sɛ wɔtaa paapae mu na wɔboaboa ano. Nanso, wɔn mfiri ahoɔden a ɛba fam koraa no ma wɔfata wɔ ɔkwan a ɛkɔ akyiri so ma nkitahodi a ɛhyɛ ahoɔden a ɛba fam ase.
1. Rɔba nsɔano su .
Nnua pii a nsu ntumi nkɔ mu no de rɔba nsɔano nhyehyɛe di dwuma na ama wɔatumi ayɛ nsu a ɛmma nsu ntumi nkɔ mu. Rɔba nsɔano ahorow ahorow, a O-rings ne gaskets na ɛtaa ba. O-Ring-Nnua a nsuo ntumi nkɔ mu a wɔasɔ ahwɛ no kyerɛ rɔba O{5}}ring a ɛwɔ nut no mu anaa akyi. Sɛ wɔkyekyere nut no mu denneennen a, wɔde O-ring no piapia na ɛyɛ deformed, na ɛhyɛ nsonsonoe a ɛda nut ne bolt anaa connected component ntam no ma, na ɛnam so ma nsu ntumi nkɔ mu. Wɔde ɔkwan a ɛyɛ mmerɛw a etu mpɔn a wɔfa so siw ano yi di dwuma kɛse wɔ nneɛma a wɔde di dwuma a ɛhwehwɛ sɛ wɔde nsu a wɔde siw nsu ano nyinaa, te sɛ abɔnten nnwinnade a wɔtaa de di dwuma a wɔde bɛka abom.
2. Thread nsɔano type .
Asaawa-Nnua a nsuo ntumi nkɔ mu asɔ ano no nya nsuo a ɛtumi siw ano denam asaawa soronko bi a wɔayɛ so. Sɛ nhwɛso no, nuts bi a nsu ntumi nkɔ mu no de sealant di dwuma de hyɛ asaawa no kwan no ma. Sɛ wɔde nut no hyɛ mu a, sealant no yɛ adwuma sɛ nsɔano, na ɛmma nsu nkɔ mu. Nnua afoforo a nsu ntumi nkɔ mu no de trapezoidal nhama anaa asaawa ho nsɛm soronko di dwuma. Saa asaawa nhyehyɛe ahorow yi fi awosu mu ma wonya nsɔano a ɛkyɛn so, na ɔkwan a etu mpɔn so no, ɛmma nsu nkɔ asaawa no ntam kwan mu. Thread-Wɔtaa de nsuo a ɛtumi siw nsuo ano di dwuma wɔ dwumadie mu wɔ baabi a nsuo ntumi nkɔ mu ho hia na baabi a wɔde besisi no sua, te sɛ ahunmu mfiri ne nnwinnadeɛ a ɛyɛ pɛpɛɛpɛ.