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.

Umkhiqizi we-China Screw Air Compressor: Indlela Yokuqinisekisa Ngaphambi Kokuthenga

2025-02-24

Impendulo Esheshayo - Indlela Yokuqinisekisa IsiShayina Isicindezeli Sesikulufu Umkhiqizi

Cela amadokhumenti amane ngaphambi kokuthenga: (1) igama lomkhiqizi we-airend kanye nenombolo yochungechunge — kumele kube yi-GHH-RAND noma i-Rotorcomp enochungechunge olulandelekayo, hhayi "ubuchwepheshe baseJalimane"; (2) isitifiketi sezinto ezigoqayo zemoto esivela ku-WEG noma ku-Wolong esiqinisekisa ithusi elimsulwa, hhayi i-aluminium embozwe ngethusi; (3) imininingwane yezinto zokufaka amapayipi zangaphakathi eziqinisekisa insimbi engagqwali engu-304; (4) uphawu lomlawuli oluqinisekisa iSchneider Electric noma i-Siemens ngokufinyelela kwesevisi okuvulekile komuntu wesithathu. Umenzi ongakwazi ukuhlinzeka ngazo zonke ezine akayona izinga lokuthumela ngaphandle — kungakhathaliseki isitifiketi se-ISO, izimangalo zekhathalogi, noma intengo.

Kunezikulufo ezingaphezu kuka-2,000 Isicindezeli Somoya abakhiqizi eShayina. Iningi lamashidi abo okuqinisekisa libukeka lifana. Ukucindezela okufanayo okulinganiselwe, i-CFM efanayo, izinga lomsindo elifanayo, izitifiketi ezifanayo. Umehluko onquma ukuthi umshini wakho usebenza ngaphandle kwezinkinga iminyaka eyi-15 noma uqala ukwehluleka ngonyaka wesi-3 awubonakali kunoma yiliphi ishidi lokuqinisekisa — kusezingxenyeni ezine zangaphakathi amaqembu amaningi okuthenga angalokothi abuze ngazo.Lo mhlahlandlela ukunika imibuzo eqondile okufanele uyibuze, amadokhumenti okufanele uwacele, kanye namaphethini olimi ahlukanisa umenzi wangempela wezinga lokuthumela kwamanye amazwe emshinini we-Tier 2 onokumaketha kwezinga lokuthumela kwamanye amazwe.

Kungani Izingxenye Zangaphakathi Zingabonakali Kumashidi E-Spec

Abakhiqizi be-compressor baseShayina bancintisana kakhulu ngezincazelo ezilinganiselwe — ingcindezi, ukugeleza, kanye namandla. Lezi zinombolo zingahlangatshezwana nezingxenye zekhwalithi ezihluke kakhulu. Izingxenye ezine ezingezansi aziveli kumashidi edatha ajwayelekile e-CAGI noma emibikweni yokuhlola ye-ISO, kodwa zichaza umehluko omkhulu wezindleko phakathi komshini ohlala iminyaka eyi-10 nalowo odinga ukulungiswa okukhulu ngonyaka wesi-4.

Ingxenye	Ibanga Lokuthumela Ngaphandle	Ibanga Lasekhaya	Umthelela Wezindleko Zeminyaka Eyi-10
I-Airend	I-GHH-RAND / Rotorcomp yesiJalimane — eqanjwe ngegama, elandelekayo ngochungechunge	Ikhophi yasekhaya — "Ubuchwepheshe baseJalimane"	+$15,000 kagesi (75 kW)
Ukugoqa Imoto	Isitifiketi se-IE4/IE5 sethusi elihlanzekile — sinikeziwe	I-IE3 noma i-CCA — akukho sitifiketi esibalulekile	Ukushisa ngokweqile okungapheli + ukukhathala kwangaphambi kwesikhathi
Amapayipi Angaphakathi	Insimbi engagqwali engu-304 kuyo yonke indawo	Insimbi yekhabhoni noma i-galvanized	Ukungcoliswa kokugqwala → ukwehluleka kokuthwala
Isilawuli	I-Schneider Electric / Siemens — ukufinyelela kwesevisi evulekile	I-PLC Yobunikazi — isevisi ye-OEM kuphela	Izindleko zesevisi yesikhathi sonke

Imibhalo emi-4 okufanele uyicele ngaphambi kokufaka noma yiliphi i-oda

Lawa madokhumenti amane akhona kuwo wonke umshini osezingeni lokuthumela kwamanye amazwe. Umenzi ophuza ukuwahlinzeka, onikeza amakhasi ezincwajana esikhundleni sezitifiketi, noma ozivikelayo uma ebuzwa ukunika impendulo oyidingayo.

Idokhumenti Okufanele Icelwe

Igama Lomkhiqizi we-Airend + Inombolo Yochungechunge

Buza ngqo: "Ubani owakhiqiza i-airend yakho? Unganginika igama lomkhiqizi, ireferensi yemodeli, kanye nenombolo yochungechunge yeyunithi engiyithengayo?"

I-GHH-RAND yangempela noma i-Rotorcomp airend ine-nameplate yensimbi emzimbeni we-compression element enenombolo ye-serial elandelekayo. Ungabhekisela lokhu ngokumelene nenethiwekhi esemthethweni yabasabalalisi be-GHH-RAND noma i-Rotorcomp ukuqinisekisa ubuqiniso.

🚩 Ifulegi elibomvu: "i-airend yobuchwepheshe baseJalimane," "i-airend yokuklama yaseYurophu," noma "i-airend engenisiwe" ngaphandle kokuqamba umenzi. Lolu ulimi lokumaketha lwekhophi yasekhaya yesiShayina esebenzisa iphrofayili ye-rotor ethathwe eJalimane. Igebe lokusebenza kahle uma liqhathaniswa ne-airend yangempela ye-GHH-RAND lingalinganiswa: ngokuvamile ukusebenza kahle kwe-volumetric okuphansi ngo-3–8% empilweni yomshini.

Idokhumenti Okufanele Icelwe

Isitifiketi Sezinto Zokugoqa Imoto

Buza ngqo: "Ungakwazi yini ukunikeza isitifiketi sezinto ezigoqekayo zomkhiqizi wemoto esiqinisekisa ama-conductor ethusi ahlanzekile ale yunithi?"

Lona umbhalo ovela eceleni okhishwe umenzi wemoto (i-WEG, i-Wolong, noma olinganayo) obala izinto zomqhubi we-winding ngokwakheka kwamakhemikhali. Akuyona incwajana, akuyona ishidi lokucacisa, futhi akuyona isiqinisekiso seqembu lokuthengisa. Intambo ye-aluminium efakwe ithusi (i-CCA) ibukeka ifana kakhulu nethusi elimsulwa kodwa inomoya wethusi ocishe ube ngu-60% — ikhiqiza ukushisa okwengeziwe okungu-15–25°C ngomthwalo ofanayo, idlulisela lokho kushisa okweqile ngqo kusekethe kawoyela.

🚩 Ifulegi elibomvu: "Injini yethusi emsulwa iqinisekisiwe," "izinga lokugoqa ithusi," noma yisiphi isiqinisekiso somlomo noma sekhathalogi. Isitifiketi sezinto zomenzi kuphela esiqinisekisayo. Uma umhlinzeki engakwazi ukukukhiqiza, cabanga ngokuziphatha kokugoqa i-CCA - ukushisa ngokweqile ehlobo okungapheli kuwuphawu lwayo oluyinhloko ezindaweni ezishisayo.

Idokhumenti Okufanele Icelwe

Ukucaciswa Kwezinto Zokuphamba Kwangaphakathi

Buza ngqo: "Ipayipi le-oyili yangaphakathi liyini — insimbi engagqwali engu-304, insimbi yekhabhoni, noma i-galvanized? Ungakuqinisekisa lokhu ngokubhala bese ukhombisa isithombe senhlangano yangaphakathi?"

Ipayipi lesifunda samafutha langaphakathi lisebenza ngokuxhumana njalo namafutha ashisayo futhi lincibilika. Insimbi yekhabhoni iyagqwala kule ndawo zingakapheli iminyaka emi-2-3 ngaphansi kwezimo zokusebenza ezijwayelekile. Izinhlayiya zokugqwala kanye nodaka kungcolisa uwoyela, kuvala isici sokuhlukanisa uwoyela, futhi kwethule izinhlayiya ezihuquzelayo kumjikelezo wokuthwala umoya. Lena akuyona indlela yokuhluleka ngokwemfundiso - iyimbangela ehamba phambili yokwehluleka komoya ngaphambi kwesikhathi emishinini yamapayipi ensimbi yekhabhoni esebenza ezindaweni ezinomswakama.

Insimbi engagqwali engu-304 imelana nalokhu kugqwala unomphela. Kuyisinqumo esinqunyiwe unomphela — amapayipi ensimbi yekhabhoni awakwazi ukushintshwa ngaphandle kokwakhiwa kabusha kwangaphakathi okugcwele ngemva kokulethwa.

🚩 Ifulegi elibomvu: Akukho mininingwane ebhaliwe yamapayipi etholakalayo, noma ishidi lemininingwane elibala amapayipi angaphandle kuphela. Buza ngqo ngesekethe yamafutha angaphakathi - amapayipi angaphakathi kohlaka lomshini axhumanisa isihlukanisi samafutha nesipholile nendawo yokujova ye-airend.

Idokhumenti Okufanele Icelwe

Ukuqinisekiswa Kwebhrendi Yomlawuli + Isevisi Yenkampani Yesithathu

Buza ngqo: "Isilawuli se-PLC siluhlobo luni? Ingabe uchwepheshe weqembu lesithathu ezweni lakithi angakwazi ukusetha kabusha izikhawu zesevisi, afinyelele umlando wamaphutha, futhi alungise amapharamitha okusebenza ngaphandle kwesofthiwe ye-OEM noma imvume?"

Isilawuli se-Schneider Electric noma se-Siemens esivulekile sisho ukuthi noma yimuphi uchwepheshe wezimboni oqeqeshiwe emhlabeni wonke angakwazi ukusevisa umshini esebenzisa izingxenye ezijwayelekile ezitholakala endaweni. Isilawuli esizimele sikhiya yonke imisebenzi yesevisi encike kwisofthiwe kunethiwekhi yomthengisi womkhiqizi - futhi umenzi ulawula wonke amanani, ukutholakala, kanye nesikhathi sokuphendula sonke isikhathi sokuphila komshini.

Ezimakethe ezinenethiwekhi yabathengisi esunguliwe, abalawuli abangobanini bayakwazi ukuphathwa. Ezimakethe lapho umenzi engenabo ubukhona bendawo, isilawuli esingobanini singashintsha ukusetha kabusha kwesikhashana sesevisi kube ukulinda kwamasonto amabili ukuze kugunyazwe kude.

🚩 Ifulegi elibomvu: "Isilawuli sethu singahlelwa ngokugcwele," "sinikeza ukwesekwa okugcwele kobuchwepheshe," noma noma iyiphi impendulo engasho igama lomkhiqizo wesilawuli futhi iqinisekise ukufinyelela okuvulekile komuntu wesithathu. I-Schneider Electric ne-Siemens zinamadokhumenti obuchwepheshe omhlaba wonke atholakala emphakathini. Abalawuli bempahla abanawo.

Amaphethini Olimi Lwefulegi Elibomvu: Lokho Okushiwo Abakhiqizi vs Lokho Okushoyo

Amaqembu okuthenga anolwazi ayawaqaphela la magama ashintshanayo. Uma uwabona, buza njalo umbuzo olandelayo.

Lokho Abakushoyo	Lokho Okuvame Ukukusho	Umbuzo Wokulandelela
"Ubuchwepheshe baseJalimane"	Ikhophi yasekhaya enephrofayili ye-rotor ethathwe eJalimane	"Qamba umenzi we-airend bese unikeza inombolo ye-serial."
"Injini yethusi emsulwa iqinisekisiwe"	Ama-winding e-CCA — akukho sitifiketi esitholakalayo	"Nikeza isitifiketi sezinto ezigoqekayo ze-WEG noma i-Wolong."
"Uhlelo lwamapayipi olusezingeni eliphezulu"	Insimbi yekhabhoni, akukho mininingwane yezinto ezibonakalayo ekhona	"Qinisekisa insimbi engagqwali engu-304 ngokubhala. Thumela isithombe."
"Isilawuli esihlakaniphile, esingahlelwa ngokugcwele"	I-PLC Yobunikazi — Isevisi ye-OEM kuphela	"Ingabe isilawuli i-Schneider noma i-Siemens? Ingabe uchwepheshe wendawo angafinyelela kuso?"
"Sinesitifiketi se-ISO 9001"	Isitifiketi senqubo kuphela — asisho ikhwalithi yengxenye	Usacela wonke amadokhumenti amane — i-ISO ayiwambozi.
"Umshini oqinisekisiwe we-CE"	Ukuthobela imithetho yokuphepha kagesi — hhayi ikhwalithi yezingxenye	Usacela wonke amadokhumenti amane — i-CE ayiwambozi.

Uhlu Lokuhlola Lokuhlolwa Kwefektri Lwezinyathelo Eziyi-8 Esizeni

Kuma-oda angaphezu kuka-$30,000 noma ama-oda aphindaphindwayo, ukuvakasha endaweni ngaphambi kokuthunyelwa kokuqala kuyindlela ejwayelekile. Sebenzisa lolu hlu lokuhlola ngesikhathi sokuhamba kwefektri.

Ukuhlolwa Kwemboni — Uhlu Lokuhlola Lwensimu Yezinyathelo Eziyi-8

Thola ipuleti legama le-airend kuyunithi yokukhiqiza. Thola ipuleti lokuhlonza lensimbi emzimbeni wento yokucindezela. Qinisekisa ukuthi igama lomkhiqizi kanye nenombolo yochungechunge kuyafana nalokho okunikezwe kumadokhumenti. Yithathe isithombe.

Hlola amapayipi okujikeleza uwoyela wangaphakathi. Cela ukuvula umshini phakathi nokuhlanganiswa. Bheka ipayipi elixhumanisa isihlukanisi samafutha ne-cooler endaweni yokufaka umoya. Insimbi engagqwali ibonakala njengesiliva-grey futhi inombala ocwebezelayo kancane. Insimbi yekhabhoni ingaba nopende omnyama noma i-galvanizing — uma uklwebha indawo ngokhiye, insimbi yekhabhoni ikhombisa insimbi enombala ogqwala ngaphansi.

Vula ikhabhinethi kagesi. Thola ama-contactor ayinhloko kanye nesilawuli se-PLC. Ama-contactor e-Schneider Electric aphethe ilogo ye-SE emzimbeni oluhlaza. Ama-contactor e-Siemens aphethe uphawu lwegama le-Siemens. Ama-contactor amnyama angenalo uphawu abonisa okulingana kwasekhaya okuvamile.

Cela ukuboniswa kwesilawuli esibukhoma. Cela uchwepheshe ukuthi afinyelele umlando wephutha, asethe kabusha isikhawu sesevisi, futhi ashintshe isethi yengcindezi yokusebenza emshinini osebenzayo — ngaphandle kokufonela ithimba lesofthiwe lomkhiqizi. Uma bengenakukwenza lokhu phambi kwakho, isilawuli sinelungelo laso.

Hlola i-nameplate yemoto ukuze uthole ukuhlukaniswa kwe-IE. Isigaba sokusebenza kahle kwemoto (IE3, IE4, IE5) sigxivizwe ku-nameplate. Qinisekisa ukuthi siyahambisana nencazelo. Uma i-nameplate ingekho noma ingafundeki, lokhu kuyinkinga yokulawula ikhwalithi.

Sebenzisa ukuhlolwa kokusebenza okulayishiwe. Cela ukuthi kufakwe i-load imizuzu engama-30 ngokucindezela okulinganiselwe. Qopha izinga lokushisa lokukhipha njalo ngemizuzu emi-5. Umshini one-CCA windings osebenza ku-25°C uzovame ukubonisa amazinga okushisa okukhipha angu-8–12°C aphezulu kunomshini wethusi omsulwa onezincazelo ezifanayo ezilinganiselwe.

Buyekeza isitifiketi sezinto ezigoqekayo endaweni. Cela isitifiketi sokuqala somkhiqizi wemoto — hhayi ikhophi evela kumafayela omkhiqizi. Hlola ukuthi isihloko sedokhumenti sifana nesihloko sencwadi somkhiqizi wemoto nokuthi izinto ezigoqayo zibala ithusi noma i-alloy yethusi ngokwesakhiwo samakhemikhali.

Cela ukubona imishini emithathu evela kuma-oda akamuva okuthumela kwamanye amazwe. Hlola ukuthi imininingwane esefektri iyafana nalokho okucashuniwe. Ukushintsha imininingwane — ukucaphuna i-GHH-RAND airend kanye nokuthumela ikhophi yasekhaya — akuvamile kodwa kubhaliwe. Ukuqinisekisa ngokumelene namayunithi okukhiqiza angempela ngaphambi kokusayina kususa le ngozi ngokuphelele.

Qaphela: Ifektri enqaba noma engakwazi ukwamukela noma yiziphi zalezi zinyathelo eziyisishiyagalombili ngesikhathi sokuvakashela i-oda langaphambilini kufanele iphathwe njengesici esiyingozi, hhayi njengesiphazamiso. Abakhiqizi abasemthethweni bezinga lokuthumela impahla kwamanye amazwe basekela ukuhlolwa kwamakhasimende njengomkhuba ojwayelekile.

Ikhadi lamaphuzu lempendulo yomkhiqizi

Sebenzisa leli thebula ukuthola amaphuzu kunoma yimuphi umenzi we-screw compressor waseShayina omhlolayo. Umenzi we-Tier 1 Export-grade uthola amaphuzu angu-4 kwangu-4.

Idokhumenti / Umbuzo	Impendulo Yesigaba 1 ✅	Impendulo Yesigaba 2 ⚠️
Umkhiqizi we-Airend + ochungechungeni	I-GHH-RAND / Rotorcomp, i-serial inikezwe ngalolo suku	"Ubuchwepheshe baseJalimane" — akukho gama, akukho chungechunge
Isitifiketi sokugoqa imoto	Isitifiketi se-WEG/Wolong esinamathiselwe kwikhotheshini	"Ithusi elimsulwa liqinisekisiwe" — akukho dokhumenti
Imininingwane yezinto zokufaka amapayipi	I-SS engu-304 iqinisekiswe ngokubhala + isithombe	Akukho mininingwane etholakalayo / "ikhwalithi ephezulu"
Ukufinyelela okuvulekile kwesilawuli	I-Schneider / Siemens — ukufinyelela okuqinisekisiwe okuvela eceleni	Ubunikazi — "sihlinzeka ngokusekelwa okugcwele"

Zonke Imibhalo Emine — Ilungele Uma Iceliwe

I-CompressorCorp ithumela i-
Amadokhumenti Anesilinganiso.

I-GHH-RAND airend serial · Isitifiketi sethusi se-WEG IE4 · I-304 SS spec · Isilawuli se-Siemens/Schneider esivulekile

Cela Iphakheji Ephelele Yemininingwane Buka Imikhiqizo

imibuzo ejwayelekile ukubuzwa

Ngingaqinisekisa kanjani umkhiqizi we-screw air compressor waseShayina ngaphambi kokuthenga? +

Cela amadokhumenti amane: (1) igama lomkhiqizi we-airend kanye nenombolo yochungechunge elandelekayo; (2) isitifiketi sezinto zokugoqa zemoto ezivela ku-WEG noma ku-Wolong eziqinisekisa ukugoqa kwethusi okumsulwa; (3) imininingwane ebhaliwe yangaphakathi yepayipi eqinisekisa insimbi engagqwali engu-304; (4) igama lomkhiqizo lomlawuli elinokuqinisekiswa kokuthi ochwepheshe bezinkampani zangaphandle bangafinyelela ekuxilongweni ngaphandle kwesofthiwe ye-OEM. Umkhiqizi owenqaba noma ongakwazi ukunikeza wonke amadokhumenti amane akayona ibanga lokuthumela ngaphandle.

Kusho ukuthini ukuthi "ubuchwepheshe baseJalimane i-airend" kumkhiqizi waseShayina? +

"Ubuchwepheshe baseJalimane" ngokuvamile busho ukuthi umklamo wephrofayili ye-rotor waphefumulelwa noma wanikezwa ilayisensi evela kubunjiniyela baseJalimane — hhayi ukuthi i-airend yakhiqizwa eJalimane. I-airend yangempela yaseJalimane ichaza umenzi ngegama (GHH-RAND, Rotorcomp) futhi inikeze inombolo ye-serial elandelekayo. Uma umhlinzeki ethi "ubuchwepheshe baseJalimane" ngaphandle kokuqamba umenzi futhi anikeze inombolo ye-serial, i-airend iyikhophi yaseShayina yasekhaya.

Ngingahlola kanjani ukuthi i-compressor yaseShayina inezimbobo ze-motor zethusi noma ze-aluminium? +

Ukuhlola okubonakalayo akuthembekile — ucingo lwe-aluminium olumbozwe ngethusi lubukeka lufana nolwethusi oluhlanzekile. Indlela ethembekile kuphela isitifiketi sezinto zokugoqa zemoto esivela eceleni esikhishwe umenzi wemoto (WEG, Wolong, noma okulingana nayo). Lo mbhalo ubala izinto zokugoqa ze-winding ngokwakheka kwamakhemikhali. Cela ngaphambi kokuthenga.

Ingabe amapayipi ensimbi engagqwali angu-304 abalulekile ku-screw air compressor? +

Yebo. Amapayipi esekethe yamafutha angaphakathi ahlala ethintana namafutha ashisayo acindezelwe kanye ne-condensate. Insimbi yekhabhoni iyagqwala phakathi neminyaka engu-2-3, ikhiphe izinhlayiya zokugqwala kusekethe yamafutha. Lokhu kungcolisa isihlukanisi samafutha, kusheshise ukuguguleka kwama-bearing e-airend, futhi kubangele ukushisa ngokweqile okungapheli. Insimbi engagqwali engu-304 imelana nalokhu unomphela futhi ayikwazi ukufakwa kabusha ngemva kokulethwa.

Kungani uphawu lomlawuli lubalulekile lapho uthenga kumkhiqizi waseShayina? +

Isilawuli se-PLC esinomnikazi sisho ukuthi uchwepheshe ogunyaziwe womkhiqizi kuphela ongasetha kabusha ama-alamu esevisi, afinyelele umlando wephutha, noma ashintshe amapharamitha okusebenza. Isilawuli se-Schneider Electric noma se-Siemens esivulekile singasethwa yinoma yimuphi uchwepheshe oqeqeshwe emhlabeni jikelele esebenzisa izingxenye ezitholakala endaweni - ukususa ukuncika kumthengisi impilo yonke yesevisi yomshini.

Uyini umehluko phakathi komkhiqizi we-compressor waseShayina we-Tier 1 kanye ne-Tier 2? +

Ochwepheshe Bokuthumela Ngaphandle Besigaba 1 basebenzisa ama-airend aqanjwe ngegama lesiJalimane noma amazwe ngamazwe anezinombolo zochungechunge ezilandelekayo, ama-motor ethusi ahlanzekile e-IE4/IE5 anezitifiketi zezinto ezibonakalayo, amapayipi angaphakathi ensimbi engagqwali angu-304, kanye nabalawuli be-Schneider noma be-Siemens abavulekile abanokufinyelela kwensizakalo yomuntu wesithathu. Abakhiqizi basekhaya besigaba 2 basebenzisa ama-airend angaphakathi, ama-motor ajwayelekile e-IE3 angenazo izitifiketi zethusi, amapayipi ensimbi yekhabhoni, kanye nabalawuli abazimele abanokufinyelela kwensizakalo ye-OEM kuphela.

Ngingayethemba yini isitifiketi se-ISO noma se-CE lapho ngihlola umenzi we-compressor waseShayina? +

I-ISO 9001 iqinisekisa ukulawulwa kwenqubo yokukhiqiza; uphawu lwe-CE luqinisekisa ukuhambisana nokuphepha kukagesi. Akukho okucacisa ikhwalithi yezingxenye zangaphakathi. Umshini ungabamba zombili izitifiketi ngenkathi usebenzisa ama-motor e-IE3, amapayipi ensimbi yekhabhoni, kanye nama-airend asekhaya. Lezi zitifiketi ziyisidingo esiyisisekelo esincane, hhayi isahlukanisi sekhwalithi. Sebenzisa njalo uhlu lokuhlola olunemibhalo emi-4 ngokuzimela.

Malini okufanele ngiyikhokhele i-compressor yesikulufu saseShayina esingama-kW angu-75 esithunyelwa kwamanye amazwe? +

Ukuze uthole i-compressor yesikulufo esijikelezayo esingu-75 kW efakwe uwoyela enencazelo ephelele yebanga lokuthumela ngaphandle — i-GHH-RAND noma i-Rotorcomp airend, i-WEG IE4 pure copper motor, ipayipi lensimbi engagqwali elingu-304, i-Schneider noma i-Siemens open controller — lindela ukukhokha ngaphansi ngo-40–60% kuneyunithi efanayo ye-Atlas Copco noma i-Kaeser. Amanani angaphansi kakhulu kwalolu hlu ngokuvamile abonisa ukushintshwa kwengxenye eyodwa noma ngaphezulu yezinga lokuthumela ngaphandle. Cela njalo iphakheji yemibhalo engu-4 ngaphambi kokwamukela isilinganiso.