How do I verify a Chinese screw air compressor manufacturer before buying?

Request four documents: (1) the airend manufacturer name and a traceable serial number — a genuine export-grade airend will be GHH-RAND or Rotorcomp with a verifiable serial; (2) a third-party motor winding material certificate from WEG or Wolong confirming pure copper windings — not a brochure claim; (3) a written internal piping material specification confirming 304 stainless steel; (4) the controller brand name with confirmation that third-party technicians can access diagnostics without OEM software. A manufacturer that refuses or cannot provide all four documents is not export grade.

What does 'German technology airend' mean from a Chinese manufacturer?

'German technology' is a marketing phrase that typically means the rotor profile design was inspired by or licensed from German engineering — not that the airend was manufactured in Germany. A genuine German airend specifies the manufacturer by name (GHH-RAND, Rotorcomp) and provides a traceable serial number. If a supplier says 'German technology' without naming the manufacturer and providing a serial number, the airend is a domestic Chinese copy using a German-derived rotor profile.

How do I check if a Chinese compressor has copper or aluminum motor windings?

Visual inspection is unreliable — copper-clad aluminum wire looks identical to pure copper. The only reliable method is a third-party motor winding material certificate issued by the motor manufacturer (WEG, Wolong, or equivalent). This document lists the winding conductor material by chemical composition. Request it before purchase. If the manufacturer cannot supply it, assume copper-clad aluminum windings and account for the 15–25°C additional heat generation in your total cost of ownership calculation.

Is 304 stainless steel piping important in a screw air compressor?

Yes. The internal oil circuit piping is in constant contact with hot compressed oil and condensate. Carbon steel piping corrodes under this exposure within 2–3 years of normal operation, releasing rust particles and sludge into the oil circuit. This contamination clogs the oil separator, accelerates airend bearing wear, and causes chronic overheating. 304 stainless steel resists this corrosion indefinitely under normal operating conditions. It is a permanent specification that cannot be retrofitted after delivery.

Why does the controller brand matter when buying from a Chinese manufacturer?

A proprietary PLC controller means only the manufacturer's authorized technician can reset service alarms, access fault history, or modify operating parameters. In your home country, this creates dependency on a dealer network that may not exist, and the manufacturer controls all spare part and service pricing for the machine's entire life. An open-architecture controller using Schneider Electric or Siemens components can be serviced by any trained technician globally, using standard parts available locally.

What is the difference between a Tier 1 and Tier 2 Chinese compressor manufacturer?

Tier 1 Export Specialist manufacturers use: named German or international airends (GHH-RAND, Rotorcomp) with traceable serial numbers; IE4 or IE5 pure copper motors with third-party material certificates; 304 stainless steel internal oil circuit piping; and open Schneider Electric or Siemens controllers with third-party service access. Tier 2 Domestic manufacturers use: in-house domestic airends without international serial number verification; IE3 standard motors without copper material certificates; carbon steel or galvanized internal piping; and proprietary controllers with OEM-only service access.

Can I trust ISO or CE certification when evaluating a Chinese compressor manufacturer?

ISO 9001 and CE mark confirm manufacturing process controls and electrical safety compliance respectively — they do not specify internal component quality. A machine can hold ISO 9001 certification and CE marking while using IE3 motors, carbon steel piping, and domestic airends. These certifications are a minimum requirement, not a quality differentiator. Use the 4-document verification checklist to evaluate actual component specification independently of certification status.

How much should I pay for a 75 kW export-grade Chinese screw air compressor?

For a 75 kW oil-injected rotary screw compressor with full export-grade specification — GHH-RAND or Rotorcomp airend, WEG IE4 pure copper motor, 304 stainless steel piping, Schneider or Siemens open controller — expect to pay 40–60% less than an equivalent Atlas Copco or Kaeser unit. Prices significantly below this range typically indicate substitution of one or more export-grade components with domestic alternatives. Always request the 4-document package before accepting a quote.

Moetsi oa Screw Air Compressor oa China: Mokhoa oa ho Netefatsa Pele U Reka

2025-02-24

Karabo e Potlakileng - Mokhoa oa ho Netefatsa Sechaena Sekontiri sa nseru Moetsi

Kopa litokomane tse 'ne pele u reka: (1) lebitso la moetsi oa airend le nomoro ea serial — e tlameha ho ba GHH-RAND kapa Rotorcomp e nang le serial e ka latelwang, eseng "theknoloji ea Jeremane"; (2) setifikeiti sa thepa e kobehang ya enjene ho tswa ho WEG kapa Wolong se tiisang koporo e hlwekileng, eseng aluminium e apereng koporo; (3) lisebelisoa tsa ka hare tsa liphaephe tse tiisang tšepe e sa hloekang ea 304; (4) Letshwao la taolo le tiisang Schneider Electric kapa Siemens ka phihlello e bulehileng ya tshebeletso ya motho wa boraro. Moetsi ya sa kgoneng ho fana ka tsohle tse nne ha a na boemo ba ho romela kantle ho naha — ho sa tsotelehe setifikeiti sa ISO, ditletlebo tsa khataloge, kapa theko.

Ho na le li-screw tse fetang 2,000 Konpresser ea Moea bahlahisi Chaena. Bongata ba maqephe a bona a khethehileng a shebahala a tšoana. Khatello e lekanang, CFM e tšoanang, boemo bo tšoanang ba lerata, litifikeiti tse tšoanang. Phapang e etsang qeto ea hore na mochini oa hau o sebetsa ntle le mathata ka lilemo tse 15 kapa o qala ho hloleha selemong sa 3 ha e bonahale leqepheng lefe kapa lefe la litlhaloso - ke likarolong tse 'ne tsa kahare tseo lihlopha tse ngata tsa theko li sa keng tsa botsa ka tsona.Tataiso ena e o fa dipotso tse nepahetseng tseo o ka di botsang, ditokomane tseo o ka di kopang, le dipaterone tsa puo tse arolang moetsi wa nnete wa sehlopha sa ho romela thepa kantle ho naha ho tloha mochining wa Tier 2 o nang le papatso ya sehlopha sa ho romela thepa kantle ho naha.

Hobaneng ha Likarolo tsa Ka Hare li sa Bonahale Maqepheng a Spec

Bahlahisi ba komporo ea Chaena ba qothisana lehlokoa haholo-holo ka litlhaloso tse lekantsoeng - khatello, phallo le matla. Linomoro tsena li ka finyelloa ka likarolo tsa boleng bo fapaneng haholo. Likarolo tse 'ne tse ka tlase ha li hlahe maqepheng a data a tloaelehileng a CAGI kapa litlalehong tsa tlhahlobo ea ISO, leha ho le joalo li ikarabella bakeng sa boholo ba phapang ea litšenyehelo lipakeng tsa mochini o nkang lilemo tse 10 le o hlokang tokiso e kholo selemong sa 4.

Karolo	Kereiti ea ho Romela kantle ho naha	Sehlopha sa Lehae	Tšusumetso ea Litšenyehelo tsa Lilemo tse 10
Airend	GHH-RAND / Rotorcomp ea Sejeremane — e reheletsoeng ka lebitso, e ka lateloang ka tatellano	Kopi ea lehae — "Theknoloji ea Jeremane"	+Motlakase oa $15,000 (75 kW)
Ho Fetola Motlakase	Setifikeiti sa IE4/IE5 koporo e hlwekileng — thepa e fanwe	IE3 kapa CCA — ha ho na setifikeiti sa thepa	Ho chesa haholo ho sa feleng + ho tepella pele ho nako
Liphaephe tsa ka Hare	Tšepe e sa hloekang ea 304 hohle	Tšepe ea k'habone kapa e galvanized	Tšilafalo ea mafome → ho hloleha ha ho bea
Molaoli	Schneider Electric / Siemens — phihlello e bulehileng ea litšebeletso	Proprietary PLC — Tšebeletso ea OEM feela	Premium ea litšenyehelo tsa tšebeletso ea bophelo bohle

Litokomane tse 4 tseo u lokelang ho li kopa pele u etsa odara efe kapa efe

Litokomane tsena tse 'ne li teng bakeng sa mochini o mong le o mong oa sehlopha sa ho romela thepa kantle ho naha. Moetsi ea liehang ho li fana, ea fanang ka maqephe a libukana ho fapana le litifikeiti, kapa ea itšireletsang ha a botsoa o u fa karabo eo u e hlokang.

Tokomane eo U ka e Kopelang

Lebitso la Moetsi oa Airend + Nomoro ea Serial

Botsa ka kotloloho: "Ke mang ea entseng airend ea hau? Na u ka fana ka lebitso la moetsi, referense ea mohlala, le nomoro ea serial bakeng sa yuniti eo ke e rekang?"

GHH-RAND ea 'nete kapa Rotorcomp airend e na le letlapa la lebitso la tšepe 'meleng oa karolo ea khatello e nang le nomoro ea serial e ka lateloang. U ka bapisa sena le marang-rang a semmuso a barekisi ba GHH-RAND kapa Rotorcomp ho netefatsa bonnete.

🚩 Folakha e khubelu: "moea oa theknoloji oa Jeremane," "moea oa Europe," kapa "moea o tsoang kantle ho naha" ntle le ho bolela moetsi. Ena ke puo ea papatso bakeng sa kopi ea lehae ea Sechaena e sebelisang profil ea rotor e nkiloeng Sejeremane. Lekhalo la katleho khahlanong le moea oa 'nete oa GHH-RAND lea lekanngoa: hangata katleho ea volumetric e tlase ka 3–8% bophelong bohle ba mochini.

Tokomane eo U ka e Kopelang

Setifikeiti sa Thepa ea ho Fetoha ha Motlakase

Botsa ka kotloloho: "Na o ka fana ka setifikeiti sa thepa e kobehang sa moetsi oa enjene se tiisang li-conductor tsa koporo tse hloekileng bakeng sa yuniti ee?"

Ena ke tokomane ea motho oa boraro e fanoeng ke moetsi oa enjene (WEG, Wolong, kapa e lekanang le eona) e thathamisang thepa ea conductor e kobehang ka metsoako ea lik'hemik'hale. Hase bukana, ha se leqephe la litlhaloso, 'me ha se netefatso ea sehlopha sa thekiso. Terata ea aluminium e koahetsoeng ka koporo (CCA) e shebahala e tšoana hantle le koporo e hloekileng empa e na le hoo e ka bang 60% ea conductivity ea koporo - e hlahisang mocheso o eketsehileng oa 15–25°C ka mojaro o tšoanang, e fetisetsa mocheso oo o feteletseng ka ho toba potolohong ea oli.

🚩 Folakha e khubelu: "Enjene e hloekileng ea koporo e tiisitsoe," "tekanyetso ea ho kobeha ha koporo," kapa tiisetso efe kapa efe ea molomo kapa ea khataloge. Ke setifikeiti sa thepa sa moetsi feela se etsang bopaki bo ka netefatsoang. Haeba mofani a sa khone ho se hlahisa, ikarabella bakeng sa boitšoaro ba ho kobeha ha CCA - ho chesa haholo lehlabula ke letšoao la eona la mantlha libakeng tse chesang.

Tokomane eo U ka e Kopelang

Tlhaloso ea Lisebelisoa tsa Piping tsa ka Hare

Botsa ka kotloloho: "Liphaephe tsa potoloho ea oli ea ka hare ke thepa efe - tšepe e sa hloekang ea 304, tšepe ea khabone, kapa galvanized? Na u ka tiisa sena ka mongolo 'me ua bontša foto ea kopano ea ka hare?"

Pipe ea potoloho ea oli ea ka hare e sebetsa ka ho kopana kamehla le oli e chesang le ho kolobisa. Tšepe ea khabone e bola tikolohong ena nakong ea lilemo tse 2-3 tlas'a maemo a tloaelehileng a ts'ebetso. Likaroloana tsa mafome le seretse li silafatsa oli, li koala karolo ea karohano ea oli, 'me li kenya likaroloana tse khorofong potolohong ea ho jara moea. Ena ha se mokhoa oa ho hloleha oa khopolo-taba - ke sesosa se ka sehloohong sa ho hloleha ha moea pele ho nako mechineng ea liphaephe tsa tšepe ea khabone e sebetsang libakeng tse mongobo.

Tšepe e sa hloekang ea 304 e hanela ts'enyeho ena ka ho sa feleng. Ke qeto ea kamehla ea litlhaloso - liphaephe tsa tšepe ea khabone li ke ke tsa nkeloa sebaka ntle le ho tsosolosoa ka botlalo ka hare kamora ho tlisoa.

🚩 Folakha e khubelu: Ha ho na litlhaloso tse ngotsoeng tsa liphaephe tse fumanehang, kapa leqephe la litlhaloso le thathamisang liphaephe tsa kantle feela. Botsa ka ho khetheha ka potoloho ea oli ea kahare - liphaephe tse ka hare ho foreimi ea mochini tse hokahanyang karohano ea oli le sehatsetsing le ntlha ea ente ea moea.

Tokomane eo U ka e Kopelang

Letšoao la Taolo + Netefatso ea Tšebeletso ea Mokha oa Boraro

Botsa ka kotloloho: "Molaoli oa PLC ke lets'oao lefe? Na setsebi sa mokha oa boraro naheng ea heso se ka seta bocha linako tsa ts'ebeletso, sa fihlella nalane ea liphoso, 'me sa fetola liparamente tsa ts'ebetso ntle le software kapa tumello ea OEM?"

Taolo ya Schneider Electric kapa Siemens e bulehileng ya meralo e bolela hore setsebi sefe kapa sefe sa indasteri se koetlisitsweng lefatsheng ka bophara se ka sebeletsa mochini ka ho sebedisa dikarolo tse tlwaelehileng tse fumanehang sebakeng seo. Taolo ya mong'a sona e notlela tshebetso e nngwe le e nngwe ya tshebeletso e itshetlehileng ka software ho netweke ya morekisi wa moetsi - mme moetsi o laola ditheko tsohle, ho fumaneha, le nako ya karabelo bakeng sa bophelo bohle ba mochini.

Mebarakeng e nang le marangrang a barekisi a thehiloeng, balaoli ba nang le thepa ba ka laoleha. Mebarakeng moo moetsi a se nang boteng ba lehae, molaoli ea nang le thepa a ka fetola ho seta botjha ha nako ea tšebeletso kamehla hore e be ho emela libeke tse peli bakeng sa tumello ea hole.

🚩 Folakha e khubelu: "Molaoli oa rona o ka hlophisoa ka botlalo," "re fana ka tšehetso e felletseng ea tekheniki," kapa karabo efe kapa efe e sa boleleng lebitso la molaoli le ho netefatsa phihlello e bulehileng ea motho oa boraro. Schneider Electric le Siemens li na le litokomane tsa tekheniki tsa lefats'e ka bophara tse fumanehang phatlalatsa. Balaoli ba thepa ha ba na tsona.

Mekhoa ea Puo ea Folakha e Khubelu: Seo Baetsi ba se Buang khahlanong le Seo e se Bolelang

Lihlopha tse nang le boiphihlelo tsa ho reka thepa li tseba lipoleloana tsena tse nkelang sebaka. Ha u li bona, kamehla botsa potso e latelang.

Seo ba se Buang	Seo Hangata se se Bolelang	Potso ea ho Latela
"Theknoloji ea Jeremane e tsamaeang moeeng"	Kopi ea lapeng e nang le profil ea rotor e tsoang Jeremane	"Bolela moetsi oa airend 'me u fane ka nomoro ea serial."
"Enjene ea koporo e hloekileng e tiisitsoe"	Li-winding tsa CCA — ha ho na setifikeiti se fumanehang	"Fana ka setifikeiti sa thepa e kobehang ya WEG kapa Wolong."
"Sistimi ea liphaephe tsa boleng bo holimo"	Tšepe ea carbon, ha ho na tlhaloso ea thepa e teng	"Netefatsa tšepe e sa hloekang ea 304 ka mongolo. Romela foto."
"Molaoli ea bohlale, ea ka hlophisoang ka botlalo"	Proprietary PLC — Tšebeletso ea OEM feela	"Na molaoli ke Schneider kapa Siemens? Na setsebi sa lehae se ka e fihlella?"
"Re na le setifikeiti sa ISO 9001"	Setifikeiti sa tshebetso feela — ha se hlalose boleng ba karolo	O ntse o kopa ditokomane tsohle tse 4 — ISO ha e di kwahele.
"Mochini o netefalitsoeng oa CE"	Ho latela melao ea polokeho ea motlakase — eseng boleng ba likarolo	O ntse o kopa ditokomane tsohle tse 4 — CE ha e di akaretse.

Lethathamo la Tlhahlobo ea Feme ea Mehato e 8 Sebakeng sa Marang-rang

Bakeng sa liodara tse fetang $30,000 kapa liodara tse pheta-phetoang, ketelo sebakeng seo pele ho thomello ea pele ke mokhoa o tloaelehileng. Sebelisa lethathamo lena nakong ea tlhahlobo ea fektheri.

Tlhahlobo ea Feme — Lethathamo la Litekolo tsa Masimo a Mehato e 8

Fumana lebitso la airend yuniti ea tlhahiso. Fumana poleiti ea boitsebiso ba tšepe 'meleng oa karolo ea khatello. Netefatsa hore lebitso la moetsi le nomoro ea serial lia tšoana le se fanoeng litokomaneng. E nke foto.

Hlahloba liphaephe tsa potoloho ea oli ea ka hare. Kopa ho bula mochini bohareng ba kopano. Batla phaephe e hokahanyang karohano ea oli le sehatsetsing ho ea sebakeng sa ente ea moea. Tšepe e sa ruseng e bonahala e le silevera-bohlooho ka qetello e lerootho hanyane. Tšepe ea khabone e ka 'na ea ba le pente e ntšo kapa galvanizing - haeba u ngoapa bokaholimo ka senotlolo, tšepe ea khabone e bontša tšepe e 'mala o mafome ka tlase.

Bula khabinete ea motlakase. Hlalosa li-contactor tse ka sehloohong le molaoli oa PLC. Li-contactor tsa Schneider Electric li na le letšoao la SE 'meleng o motala. Li-contactor tsa Siemens li na le letšoao la lentsoe la Siemens. Li-contactor tse ntšo tse se nang lets'oao li bontša se lekanang le sa lapeng.

Kopa pontšo ea molaoli ea sebetsang. Kopa setsebi ho fihlella nalane ea phoso, ho seta bocha nako ea tšebeletso, le ho fetola sebaka sa khatello ea ho sebetsa mochining o sebetsang — ntle le ho letsetsa sehlopha sa software sa moetsi. Haeba ba sa khone ho etsa sena ka pel'a hau, molaoli ke oa hau.

Hlahloba lebitso la koloi bakeng sa sehlopha sa IE. Sehlopha sa bokgoni ba motlakase (IE3, IE4, IE5) se hatisitsoe hodima nameplate. Netefatsa hore se tsamaisana le tlhaloso. Haeba nameplate e le sieo kapa e sa balehe, ena ke taba ea taolo ea boleng.

Etsa teko ea ts'ebetso e kentsoeng. Kopa hore o eme metsotso e 30 ka kgatello e lekantsoeng. Rekota mocheso wa ho ntsha metsi metsotso e meng le e meng e 5. Mochini o nang le di-winding tsa CCA tse sebetsang sebakeng sa 25°C hangata o tla bontsha mocheso wa ho ntsha metsi o phahame ho feta mochini wa koporo o hlwekileng o nang le di-specification tse tshwanang tse lekantsweng.

Hlahloba setifikeiti sa thepa e kobehang sebakeng seo. Kopa setifikeiti sa moetsi oa pele oa enjene — eseng kopi ho tsoa lifaeleng tsa moetsi. Hlahloba hore sehlooho sa tokomane se tsamaellana le sehlooho sa lengolo sa moetsi oa enjene le hore thepa e kobehang e thathamisa koporo kapa motsoako oa koporo ka metsoako ea lik'hemik'hale.

Kopa ho bona mechini e meraro ho tsoa ho liodara tsa morao tjena tsa thepa e romelloang kantle ho naha. Hlahloba hore tlhaloso e mokatong oa fektheri e tsamaellana le seo u se qotsitseng. Ho nkela tlhaloso sebaka - ho qotsa GHH-RAND airend le ho romella kopi ea lehae - ha ho fumanehe hangata empa ho tlalehiloe. Ho netefatsa khahlanong le li-unit tsa tlhahiso ea 'nete pele ho saena ho felisa kotsi ena ka ho feletseng.

Hlokomela: Feme e hanang kapa e sa khoneng ho amohela mehato efe kapa efe ho tsena tse robeli nakong ea ketelo ea ho reka esale pele e lokela ho nkoa e le ntlha ea kotsi, eseng tšitiso. Bahlahisi ba molao ba maemo a kantle ho naha ba tšehetsa tlhahlobo ea bareki e le mokhoa o tloaelehileng.

Karete ea Lintlha tsa Karabelo ea Moetsi

Sebelisa tafole ena ho fumana lintlha ho moetsi ofe kapa ofe oa compressor ea sekurufu oa Chaena eo u mo lekolang. Moetsi oa sehlopha sa ho romela kantle ho naha sa Tier 1 o fumana lintlha tse 4 ho tse 4.

Tokomane / Potso	Karabo ea Boemo ba 1 ✅	Karabo ea Boemo ba 2 ⚠️
Moetsi oa Airend + serial	GHH-RAND / Rotorcomp, letoto le fanoe ka letsatsi lona leo	"Theknoloji ea Jeremane" — ha ho na lebitso, ha ho na letoto la lihlooho
Setifikeiti sa ho phethola enjene	Setifikeiti sa WEG / Wolong se hoketsoe khotheisheneng	"Koporo e hloekileng e tiisitsoe" — ha ho na tokomane
Litlhaloso tsa thepa ea liphaephe	304 SS e tiisitsoe ka mongolo + foto	Ha ho na litlhaloso tse fumanehang / "boleng bo holimo"
Phihlello e bulehileng ea molaoli	Schneider / Siemens — phihlello e tiisitsoeng ea motho oa boraro	Proprietary — "re fana ka tšehetso e felletseng"

Litokomane Tsohle tse 4 — Li se li Loketse ho Kopuoa

CompressorCorp e romela thepa
Litokomane tse nang le Khoteshene.

GHH-RAND airend serial · Setifikeiti sa koporo sa WEG IE4 · 304 SS spec · Taolo e bulehileng ea Siemens/Schneider

Kopa Sephutheloana se Felletseng sa Litlhaloso Sheba Lihlahisoa

Lipotso Tse Botsoang Khafetsa

Nka netefatsa jwang moetsi wa compressor ya moya ya sekurufu sa China pele ke reka? +

Kopa litokomane tse 'ne: (1) lebitso la moetsi oa airend le nomoro ea serial e ka latelwang; (2) setifikeiti sa thepa ea ho phethola enjene ea motho oa boraro ho tsoa ho WEG kapa Wolong e tiisang mapheo a koporo a hloekileng; (3) tlhaloso e ngotsoeng ea thepa ea liphaephe tsa ka hare e tiisang tšepe e sa hloekang ea 304; (4) lebitso la lebitso la molaoli le netefatso ea hore litsebi tsa mokha oa boraro li ka fumana tlhahlobo ntle le software ea OEM. Moetsi ea hanang kapa ea sa khoneng ho fana ka litokomane tsohle tse 'ne ha a na boemo ba ho romela kantle ho naha.

"Theknoloji ea Jeremane ea moea" e bolela'ng ho tsoa ho moetsi oa Chaena? +

"Theknoloji ea Jeremane" hangata e bolela hore moralo oa profaele ea rotor o bululetsoe ke kapa o laesense ho tsoa boenjiniere ba Jeremane - eseng hore airend e entsoe Jeremane. Airend ea 'nete ea Jeremane e totobatsa moetsi ka lebitso (GHH-RAND, Rotorcomp) 'me e fana ka nomoro ea serial e ka lateloang. Haeba mofani a re "theknoloji ea Jeremane" ntle le ho reha moetsi lebitso le ho fana ka nomoro ea serial, airend ke kopi ea lehae ea Sechaena.

Nka hlahloba joang hore na compressor ea Chaena e na le li-winding tsa enjene ea koporo kapa ea aluminium? +

Tlhahlobo ea pono ha e tšepahale — terata ea aluminium e koahetsoeng ka koporo e shebahala e tšoana le koporo e hloekileng. Mokhoa o le mong feela o tšepahalang ke setifikeiti sa thepa ea ho kobeha ha enjene ea motho oa boraro se fanoeng ke moetsi oa enjene (WEG, Wolong, kapa se lekanang le eona). Tokomane ena e thathamisa thepa ea ho kobeha ha enjene ka metsoako ea lik'hemik'hale. E kope pele u e reka.

Na liphaephe tsa tšepe e sa hloekang tsa 304 li bohlokoa ho compressor ea moea ea screw? +

E. Liphaephe tsa potoloho ea oli ea ka hare li kopana kamehla le oli e chesang e hatelitsoeng le condensate. Tšepe ea khabone e bola nakong ea lilemo tse 2-3, e lokolla likaroloana tsa mafome ka har'a potoloho ea oli. Sena se silafatsa se arolang oli, se potlakisa ho senyeha ha bearing ea moea, 'me se baka ho chesa ho sa feleng. Tšepe e sa hloekang ea 304 e hanela sena ka ho sa feleng 'me e ke ke ea kenngoa hape kamora ho tlisoa.

Ke hobane'ng ha letšoao la molaoli le le bohlokoa ha le reka ho moetsi oa Chaena? +

Taolo ea PLC ea mong'a eona e bolela hore ke setsebi se lumelletsoeng ke moetsi feela se ka setang bocha lialamo tsa tšebeletso, sa fihlella nalane ea phoso, kapa sa fetola liparamente tsa ts'ebetso. Taolo e bulehileng ea Schneider Electric kapa Siemens e ka sebeletsoa ke setsebi leha e le sefe se koetlisitsoeng lefatšeng ka bophara se sebelisa likarolo tse fumanehang sebakeng seo - ho felisa ho itšetleha ha morekisi bophelong bohle ba ts'ebeletso ea mochini.

Phapang ke efe pakeng tsa moetsi oa compressor oa Chaena oa Tier 1 le Tier 2? +

Litsebi tsa ho Romela Kantle tsa Tier 1 li sebelisa li-airend tse bitsoang Jeremane kapa tsa machaba tse nang le linomoro tsa serial tse ka lateloang, li-motor tsa koporo tse hloekileng tsa IE4/IE5 tse nang le setifikeiti sa thepa, liphaephe tsa kahare tsa tšepe e sa hloekang tsa 304, le balaoli ba Schneider kapa Siemens ba bulehileng ba nang le phihlello ea litšebeletso tsa motho oa boraro. Bahlahisi ba malapeng ba Tier 2 ba sebelisa li-airend tsa ka tlung, li-motor tse tloaelehileng tsa IE3 tse se nang setifikeiti sa koporo, liphaephe tsa tšepe ea carbon, le balaoli ba nang le phihlello ea litšebeletso tsa OEM feela.

Na nka tšepa setifikeiti sa ISO kapa CE ha ke hlahloba moetsi oa compressor oa Chaena? +

ISO 9001 e tiisa taolo ea ts'ebetso ea tlhahiso; Letšoao la CE le tiisa ho latela melao ea polokeho ea motlakase. Ha ho le e 'ngoe ea tsona e hlalosang boleng ba likarolo tsa kahare. Mochini o ka tšoara mangolo a tumello ka bobeli ha o ntse o sebelisa li-motor tsa IE3, liphaephe tsa tšepe ea carbon, le li-airend tsa lapeng. Mangolo ana ke tlhoko ea mantlha ea bonyane, eseng phapang ea boleng. Kamehla sebelisa lethathamo la litokomane tse 4 ka boikemelo.

Ke lokela ho lefa bokae bakeng sa compressor ea moea ea sekere ea Chaena ea boleng ba 75 kW e romeloang kantle ho naha? +

Bakeng sa compressor ea screw e rotary e kenngoeng ka oli ea 75 kW e nang le litlhaloso tse felletseng tsa sehlopha sa kantle ho naha — GHH-RAND kapa Rotorcomp airend, WEG IE4 pure copper enjene, liphaephe tsa tšepe e sa ruseng tsa 304, Schneider kapa Siemens open controller — lebella ho lefa ka tlase ho 40–60% ho feta yuniti e lekanang ea Atlas Copco kapa Kaeser. Litheko tse ka tlase haholo ho sebaka sena hangata li bontša ho nkeloa sebaka ha karolo e le 'ngoe kapa tse ngata tsa sehlopha sa kantle ho naha. Kamehla kopa sephutheloana sa litokomane tse 4 pele o amohela khotheishene.