Nsu ho nhama ne mframa nhama a wɔde galvanized ayɛ a wɔbɛsesa anaasɛ wɔde besisi hɔ no de mfiridwuma mu asɛnnennen soronko ba. Ntenten a wɔadi kan atwa no ma ɛyɛ mmerɛw a wontumi nnye ho kyim ma nneɛma a wosiesie ntɛmntɛm. Nanso, amanne mmirikatu hwehwɛ sɛ wɔde nhama a ɛyɛ pɛpɛɛpɛ, wɔ beae hɔ. Wohia saa custom threads yi na ama woahwɛ ahu sɛ leak-proof, code-compliant connections bere biara. Sɛ wɔde dade paipu yɛ adwuma a, egye mfiridwuma ho nimdeɛ pɔtee.
Nhama a ɛnsɛ a wɔde hyɛ mu no sɛe zinc a ɛbɔ ho ban a ɛwɔ paipu no so no. Ɛma nsɛe a emu yɛ den yɛ ntɛmntɛm. Awiei koraa no, ɔkwan a ɛnteɛ a wɔfa so yɛ adwuma no ma nhyehyɛe no mu nsu a ɛtwetwe a ne bo yɛ den na ɛsɛe ade ba. Ɛsɛ sɛ wofa threading nhyehyɛe no sɛ mfiri a wɔde yɛ adwuma pɛpɛɛpɛ. Worentumi mfa wo ho nto atirimɔdensɛm so. Mfomso ahorow a ɛba wɔ ha no ma nsu ho nhama anaa mframa nhyehyɛe no nyinaa yɛ basaa.
Saa akwankyerɛ yi de nhwehwɛmu nhyehyɛe a mfaso wɔ so ma. Facility managers, contractors, ne DIYers a wotumi yɛ no besua sɛnea wɔbɛbɛn paipu nkitahodi ahorow. Wobɛsua sɛ wobɛsi gyinaeɛ sɛ wode sika bɛto mfiri a wɔde yɛ nhama mu anaasɛ wode akwan foforɔ a wɔadi kan ayɛ a wɔde nhama ayɛ bedi dwuma. Yɛsan nso de gyinapɛn adwumayɛ nhyehyɛe (SOP) a ɛyɛ katee ma nsaano nhama ma. Wobɛtumi ayɛ adwuma no yie firi mfitiaseɛ susudua so kɔsi nsɔano a ɛtwa toɔ a ɛmma nsuo ntumi nkɔ mu.
Nneɛma Titiriw a Wɔde Fa Kɔ
Nnwinnade a Wɔrentumi Nsusuw Ho: Odi nkonim nnyina honam fam ahoɔden so kɛse na mmom egyina nkɔnsɔnkɔnsɔn vise a emu yɛ duru a wɔde bɛbɔ paipu no ho ban na wɔde ngo a ɛyɛ tumm a wɔde twa no akɔ so ayiri afa nea wɔatwa no so.
'Advance and Reverse' Mmara: Threading hwehwɛ sɛ wɔde cadence pɔtee bi (ka kar kɔ w'anim, afei wɔsan kɔ akyi) na ama wɔabubu dade a wɔabɔ no na wɔabɔ die sẽ no ho ban.
Nneɛma a Wɔde Yɛ Adwuma: Ɛnyɛ den sɛ zinc a wɔde kata so no bɛsɛe. Deburring a ɛfata, die alignment pɛpɛɛpɛ, ne sealing a ɛteɛ (PTFE tape + pipe dope) yɛ ahyɛde na ama wɔakura corrosion resistance mu.
Akwan foforo a wɔfa so yɛ adwuma: Wɔ nsiesie nketenkete a ɛwɔ nhama a ɛwɔ hɔ dedaw a calcized kɛse wom so no, nsakrae a wɔbɛyɛ akɔ nnɛyi nsu afiri so denam kɔbere adapter ahorow so anaasɛ wɔde nhama a enni nhama a wɔde ka bom bedi dwuma no taa yɛ nea mfaso wɔ so sen nhama a wɔde bɛhyɛ mu.
Wo Ɔkwan a Wofa so Yɛ Ho Nhwehwɛmu: Threading vs. Alternatives
Ansa na wobɛtɔ nnwinnade no, ɛsɛ sɛ wohyehyɛ adwumayɛ ho haw no. Hwɛ sɛnea wobɛbɔ ka a edi kan wɔ mfiri a wɔde yɛ nhama ho no hwɛ sɛnea wohwɛ kwan sɛ wobɛkora adwumayɛfo so. Ɛtɔ da bi a, ntease wom kɛse sɛ wɔde adwuma a wɔde ma afoforo anaasɛ wɔde nkitahodi akwan foforo bedi dwuma. Ɛsɛ sɛ wohwehwɛ sɛnea wo adwuma pɔtee no kɛse te mu.
Bere a Ɛsɛ sɛ Woyɛ Thread On-Site
Ntease wɔ nsaano nhama a wɔde hyɛ mu ma nnwuma akɛse a wɔayɛ no sɛnea wɔpɛ. Ɛyɛ nea eye ma installations foforo. Mframa a wɔahyɛ no den nhyehyɛe a wɔayɛ no sɛnea wɔpɛ no taa hwehwɛ sɛ wɔde paipu tenten a ɛyɛ pɛpɛɛpɛ na ɛnyɛ nea ɛfata. Nsu nhama a emu yɛ duru nso hwehwɛ sɛ wosusuw nneɛma pɛpɛɛpɛ. Sɛ wo adwuma no fa ɔdan mũ nyinaa mu a, sɛ wowɔ threader a, ɛmma bere pii nsɛe.
Bio nso, mpɛn pii no, wɔhwehwɛ sɛ wɔde nhama a ɛwɔ beae hɔ no di dwuma na ama wɔadi ahobammɔ ho mmara a emu yɛ den so. Sɛ nhwɛso no, OSHA gyinapɛn ahorow bara PVC paipu a wɔde kyekyɛ mframa a wɔahyɛ no den no denneennen. PVC betumi abubu wɔ nhyɛso ase. Eyi hwehwɛ sɛ wɔde dade nsu afiri a wɔde nhama ayɛ a ɛkɔ so ma mfiridwuma mu mframa nhama.
Bere a Ɛsɛ sɛ Wususuw Nneɛma Foforo Ho (The 'Pre-Threaded' Strategy) .
Ɛnyɛ bere nyinaa na ɛho nhia sɛ w’ankasa wutwa nhama. Akwan a wɔfa so di kan yɛ nhama no ma wɔkora sika so na ɛtew nipadua mu nhyɛso so.
Pre-cut Nipples: Sɛ wopɛ nnwuma a ɛnyɛ den a, wubetumi atɔ factory-threaded standard lengths. Yɛfrɛ saa nufusu yi. Wode wɔn ne nnwumakuw a wɔde wɔn ho ahyɛ mu wɔ ɔkwan a ɛfata so bom. Saa kwan yi ma nsaanodwuma so tew koraa.
No-Thread Couplings: Nsiesiei a atew ne ho ntaa mma sɛ ɛfata sɛ wɔyɛ threading nhyehyɛe a edi mũ. Galvanized dade compression couplings bridge ntam kwan a ɛnyɛ den. Wɔma ɛho nhia sɛ wɔde paipu threader di dwuma koraa.
Nhyehyɛe Dedaw a Wobedi Ho Dwuma: Sɛ wutwa paipu a adi mfe 50 mu a, wotaa hu sɛ calcification a emu yɛ den wɔ wo mu. Ebia emu ntwemu no bɛtew akodu pɛnsere kɛse. Wɔ tebea horow yi mu no, threading no ntumi nyɛ adwuma koraa. Ɛda adi sɛ dade dedaw no bɛpaapae wɔ nhyɛso ase. Yɛhyɛ nyansa sɛ wɔmfa nsi ananmu koraa. Sɛnea ɛbɛyɛ foforo no, fa kɔbere nsakrae adapters di dwuma na dan kɔ PEX anaa kɔbere tubing so.
Gyinaesi Matrix Nhyehyɛe: Threading vs. Pre-Threaded
Dwumadie no ho Nsɛm a Ɛfa Ho |
Ɔkwan a Wɔkamfo Kyerɛ |
Ntease Titiriw a Wɔde Ma |
Mfiridwuma mu mframa a wɔahyɛ no den nhama foforo |
On-site manual anaa mfiri threading |
Mmara a wodi so (OSHA) ne tenten pɔtee a wɔhwehwɛ. |
Isolated nketewa pipe pae asiesie |
No-thread nhyɛso couplings |
Ɔsom a wɔsan de ba ntɛmntɛm sen biara. Zero nnwinnade a emu yɛ duru a ɛho hia. |
Ntrɛwmu a adi mfe 50 a calcified kɛse wom a wɔbɛsakra no |
Kɔbere nsakrae adapters kɔ PEX / Kɔbere |
Ɛda adi sɛ paipu dedaw no bɛbubu anaasɛ ɛbɛpaapae wɔ die ti bi ase. |
Turo mu nsuo nhama nketewa a wɔte mu |
Wɔadi kan atwitwa adwumayɛbea nufusu ne nkabom ahorow |
Adwumayɛfo sika a wɔkora so no siw afã horow ho ka a ɛkɔɔ soro kakra no ano. |
Nnwinnade a Ɛho Hia ne Nneɛma a Wosusuw Ho
Ɛsɛ sɛ wote wo nneɛma ase ansa na woafi ase atwitwa. Wɔn a wɔyɛ no taa yɛ paipu denam nea wɔbobɔw ne weld so galvanized dade coil anaa dade a wɔde galvanized ayɛ . Zinc anti-rust layer a ɛho hia no tra soro koraa. Ɛnhyɛn dade a ɛwɔ mu no mu. Aggressive clamping yi saa layer yi fi hɔ. Ohiafo die cutting tetew mu. Saa ɔsɛe yi to nsa frɛ oxidation ntɛmntɛm na huammɔdi ntɛm.
Core Tooling Nsɛm a Wɔahyehyɛ no Tiatiaa
Wo nkonimdi gyina wo nnwinnade so tẽẽ. Ase hɔ no yɛ nnwinnade a ɛyɛ ahyɛde a wɔahyehyɛ ama nsaano nhama.
Nnwinnade a Wɔde Di Dwuma |
Adwinnade a Wɔhwehwɛ |
Nea Enti a Wohia |
Adwumayɛ ho nhyehyɛe |
Tri-gyina nkɔnsɔnkɔnsɔn vise |
Standard bench vises di nkogu wɔ rotational torque a ɛboro so ase. Nkɔnsɔnkɔnsɔn vise kura mu pɛpɛɛpɛ a ɛnsɛe paipu no mfi kurukuruwa mu. |
Mfiri a wɔde yɛ adwuma |
Ratcheting paipu threader nsa ne HSS wu ti |
Dade a ɛkɔ ntɛmntɛm (HSS) sẽ a wɔatwa no yiye. Ɛsɛ sɛ wode die ti no hyia pɛpɛɛpɛ ne paipu no akyi ntwemu (sɛ nhwɛso no, 1/2', 3/4'). |
Srade a wɔde srade gu mu |
Ngo a ɛyɛ tumm a wɔde yɛ nhama |
Standard motor ngo no hyew. Ngo a ɛyɛ tumm siw ɔhyew a ɛboro so a ano yɛ den ano. Ɛma die nkwa nna trɛw na ɛmma dade a asinasin ntumi nkɔ adwinnade no so. |
Ahoboa |
Pipe cutter, reamer, fael a ɛyɛ kurukuruwa fã, waya brush |
Saa nnwinnade yi hwɛ hu sɛ wɔatwa digrii 90 pɛpɛɛpɛ. Wɔyi nsuo a ɛwɔ mu no na wɔsan de nsuo a ɛsen ansa na wɔafi ase ayɛ nhama. |
Anamɔn biara akwankyerɛ a ɛfa Threading Galvanized Steel ho
Nsaano nhama a wɔde hyɛ mu no hwehwɛ sɛ wɔde nteɛso ma. Di saa akwan yi akyi pɛpɛɛpɛ na ama woanya nkitahodi ahorow a ɛho tew na wotumi de di dwuma.
Ɔfã 1: Twitwa, Reaming, ne Ahosiesie
90-Degree Cut a Wobɛnya: Ɛsɛ sɛ wode paipu a wɔde twa afiri a wɔatu ho ama di dwuma. Kwati sɛ wode hacksaw bedi dwuma. Hacksaw ma ntwitwiridii a ɛyɛ nsensanee na ɛyɛ kronkron. Ntwitwiridii a ɛyɛ kronkron mma die ti no ntumi nka pɛpɛɛpɛ. Twe cutter wheel no mu denneennen kakra wɔ bere biara a wobɛdannan no akyi kosi sɛ paipu no bɛpaapae.
Mandatory Deburring: Sɛ wotwa a, ɛma dade kɔ mu. Ɛsɛ sɛ wobɔ paipu no mu. Eyi san ma nsu a ɛsen no mu no san ba. Afei, fa fael a ɛyɛ kurukuruwa fã di dwuma wɔ abɔnten ano. Wopɛ sɛ wode fael a ɛyɛ bevel kakra. Eyi ma die sẽ no nya kwan a ɛho tew a wɔde fi ase.
Ɔfã 2: Die Setup ne Cut no a Wofi Ase
Die no a Wobɛtra: Tow die ti a ɛfata no mu wɔ wo ratcheting nsa no mu. Tie ma secure click no. Fa paipu no hyɛ wo nkɔnsɔnkɔnsɔn vise no mu. Gyae nea ɛdɔɔso ara kwa a ɛbɛma adwinnade no ti afi hɔ. Sɛ ɛboro so a, ɛma paipu no bɔ wɔ nhyɛso ase.
Nsuyiri ne Nea Ɛka: Fa ngo a ɛyɛ tumm a wɔde twa ade a emu yɛ duru gu paipu no awiei a ɛda adi no so. Fa die ti no si bevel no so. Fa wo nsateaa a ɛyɛ den na ɛyɛ pintinn a ɛkɔ w’anim no hyɛ die ti no so. Bere koro no ara mu no, fa ratchet nsa no kyerɛ dɔn no kwan so. Kɔ so pia kosi sɛ wobɛte nka sɛ sẽ no akyere dade no yiye.
Ɔfã 3: Mfiri a Wɔde Yɛ Ntama a Wɔde Yɛ Ntama ne Nea Wɔpopa
Ratchet Rhythm no: Sɛ adwinnade no di dwuma pɛ a, fa wo ho to nsa no leverage so koraa. Gyae sɛ wode wo nsateaa bɛpiapia. Fa ratchet no kɔ w’anim ma klike mprenu kosi abiɛsa. Afei, twe nsa no kɔ akyi. Saa adeyɛ a ɛdannan yi bubu dade a wɔde yiyi a ɛkɔ so no mu. Ɛmma wontumi nkyekyere wo nhama a woatwa no foforo no na wɔantetew mu.
Srade a Kɔ so: Ɛsɛ sɛ wode ngo a ɛyɛ tumm a wɔde twa ade gu so yiye. Fa kata sẽ a ɛda adi no so wɔ bere kakraa biara a wobɛdannan mu no so. Mma die ti no nnyow da.
Beae a Wogyina: Hwɛ paipu no awiei bere a ɛrepue wɔ die no mu no. Gyae threading bere a paipu no tena ase pɛpɛɛpɛ flush ne die ti no akyi anim. Twe reversing knob a ɛwɔ wo nsa no so no. San die no akyi koraa fi paipu no so.
Quality Control: Nhwehwɛmu ne Leak-Proof Sealing
Mfa paipu a wɔatwa no foforo nsi hɔ anifurae so. Ɛsɛ sɛ wohwehwɛ nkwaa no mu na wusiesie no yiye na amma nsu ankɔ mu.
Thread Nhwehwɛmu
Fa waya brɔs a ɛyɛ den. Fa ahoɔden popa nhama foforo no. Ɛsɛ sɛ wuyi nwi a wɔde microscopic ayɛ no nyinaa fi hɔ. Popa ngo a wɔde twa ade a ɛboro so a aka no fi hɔ. Fa w’ani hwɛ nea ɛwɔ soro no. Hwehwɛ mmepɔw a atetew, ayɛ petee, anaasɛ ayera. Sɛ ɛte sɛ nea nhama no awe a, ɛsɛ sɛ wutwa awiei no na wufi ase bio.
Dry Fit Sɔhwɛ a Wɔyɛ
Yɛ dry fit ansa na wode sealants biara ahyɛ mu. Fa galvanized fitting a ɛho tew na ɛyɛ dry. Fa nsa fa asaawa gu wo paipu foforo no so. Ɛsɛ sɛ twitwa kɔ so yiye anyɛ yiye koraa no, ɛdannan mprɛnsa a edi mũ. Ɛsɛ sɛ wuhyia ɔsɔretia a emu yɛ duru bere a bere aso sɛ wode safe di dwuma nkutoo.
'Belt ne Suspenders' Ɔkwan a Wɔfa so Yɛ Nsɔano
Yɛhyɛ nyansa sɛ wɔmfa dual-layer sealing kwan so mma ahotoso koraa.
Nea edi kan no, fa Teflon (PTFE) teyp a wɔde di dwuma daa kyekyere nhama no ho. Fa kyekyere no denneennen mpɛn 2 kosi 3. Ɛsɛ sɛ wode kyekyere ho wɔ dɔn no kwan so. Eyi hwɛ hu sɛ teyp no rentu bere a wokyekyere fitting no mu denneennen no.
Afei, fa pipe dope (nsu a wɔde siw asaawa ano) a ɛyɛ tratraa gu teyp no so tẽẽ. Eyi hyɛ micro-gaps biara a aka no ma. Ɛsan nso yɛ adwuma sɛ srade a etwa to, na ɛma wutumi kyekye nea wɔde ahyɛ mu no mu denneennen.
Afiri a Wɔtaa Kwati wɔ Afuw mu
Nnipa pii a wɔrefi ase sɛe nneɛma anaasɛ wɔde ahobammɔ ho asiane ba denam mmara atitiriw a wobu wɔn ani gu so no so. Kwati saa mfomso ahorow a ɛtaa ba wɔ adwumayɛ mu yi.
Mmɔden a Wobɛbɔ sɛ Wobɛyɛ Weld Sen sɛ Wobɛyɛ Thread
Yɛbɔ kɔkɔ katee wɔ welding ho Galvanized Steel pipes a enni abatement a ɛfata. Ɔhyew a ano yɛ den a ɛwɔ welding torch mu no ma zinc a wɔde akata so no yɛ hyew ntɛm ara. Eyi ma zinc wusiw a awuduru wom kɛse ba. Sɛ wɔhome a, ɛde dade a emu yɛ duru awuduru a wɔfrɛ no dade wusiw atiridii ba. Bio nso, zinc mframa a wɔakyere no ma weld porosity a emu yɛ den ba. Nkwaa no bɛyɛ sɛ nea ɛyɛ hu. Ɛrennya nhyehyɛe mu mudi mu kura. Bere nyinaa fa nhama hyɛ paipu no mu anaasɛ fa mfiri a wɔde ka bom di dwuma.
Dry Threading ne Ngo a Ɛmfata
Srade a ɛnteɛ a wode bedi dwuma no sɛe wo nnwinnade. Standard motor oil anaa penetrating spray hyew ntɛm ara. Eyi de akasakasa a ɛboro so kɛse ba. Wobɛhunu sɛ wode 'elbow grease a ɛboro so redi dwuma.' Akyinnye biara nni ho sɛ, eyi bubu die sẽ a ne bo yɛ den no. Ɛsan nso twitwiw paipu fasu no. Fa ngo a ɛyɛ tuntum a ɛfata a ɛyɛ sulfur gu baabi a wɔatwa no so bere nyinaa.
Vise no a Wɔyɛ no Den dodo
Bench vise a wɔtaa de di dwuma no de asiane kɛse ba. Sɛ wobɔ no denneennen dodo a, wobubu paipu no ma ɛnyɛ kurukuruwa. Sɛ paipu no yɛ oval pɛ a, die ti no rentwa pɛpɛɛpɛ da. Nse bi bɛtu akɔ akyiri dodo. Ɛkame ayɛ sɛ afoforo nso bɛtwetwe nsu no ani. Eyi ma wonya awerɛhyem sɛ nhyehyɛe no bɛtwetwe daa. Fa sika hyɛ nkɔnsɔnkɔnsɔn vise a ɛfata a wɔde gyina hɔ abiɛsa mu. Ɛkyekyɛ nhyɛso a ɛkyere ade no mu pɛpɛɛpɛ twa ntwemu no ho hyia.
Awie
Pipe threading a edi mu yɛ apɔw-mu-teɛteɛ a wɔde paw adwinnade a ɛteɛ ne boasetɔ. Ɛnhwehwɛ sɛ ɛyɛ atirimɔdensɛm a ɛtra so. Ɔkwan a wɔfa so yɛ adwuma no ma wonya awerɛhyem sɛ nea ebefi mu aba wɔ adwumayɛfo mu. Wobɔ zinc a ɛwɔ so no ho ban na wohwɛ hu sɛ ɛyɛ adwuma a ahobammɔ wom a nsu nkɔ mu.
Ansa na wubefi w’adwuma a edi hɔ ase no, susuw wo dwumadi no kɛse ho ankasa. Sɛ wopɛ sɛ wosiesie pɛnkoro a, fa hardware store cut-and-thread services di dwuma. Sɛnea ɛbɛyɛ a, paw no-thread compression fittings. Wɔda so ara yɛ nea mfaso wɔ so sen biara a wɔpaw ma nsu a ɛtwetwe a atew ne ho. Nanso, sɛ wobɛyɛ nhyehyɛe no mu nsakrae a, ɛsɛ sɛ wode wo ho hyɛ gear a ɛfata mu. Sɛ wotɔ ratcheting kit a wɔatu ho ama, ngo tuntum a ɛyɛ fɛ, ne nkɔnsɔnkɔnsɔn vise a, egyina hɔ ma sika a ɛyɛ ahyɛde. Nnwinnade a ɛfata hwɛ hu sɛ wodi mmara so katee na nhyehyɛe no nkwa nna a ɛso bi nni.
FAQ
Asɛmmisa: So wubetumi de nhama ayɛ paipu a wɔde galvanized ayɛ dedaw anaasɛ ayɛ mmerɛw?
A: Wɔ mfiridwuma mu no yiw, nanso ɛhyɛ abam kɛse. Mpɛn pii no, nsu paipu dedaw no yɛ mmerɛw, ɛyɛ nkannare, na emu yɛ hyew. Torque a ɛwɔ threading mu no taa paapae seam dedaw no mu. Transitioning via adapter yɛ ahobammɔ.
Asɛmmisa: Wobɛyɛ dɛn de galvanized pipe abɔ mu a wunni nhama?
A: Ɛdenam galvanized dade compression couplings anaasɛ mfiri titiriw a wɔde siesie clamps a wɔde emu rɔba gaskets ne bolt-tightened akyi nsateaa di dwuma so.
Asɛmmisa: Dɛn nti na ngo a wɔde twa ade a ɛyɛ tumm ho hia na wɔde ayɛ nhama?
A: Dark threading ngo wɔ pɔtee bi anti-wear additives ne sulfur de di nhyɛso a emu yɛ den ho dwuma. Ɛtew apereperedi so, ɛde ɔhyew kɔ, na ɛmma dade a asinasin no ntumi nkɔ die sẽ no so.
