Mota Kudzora PCB: Iyo Yekupedzisira FAQs Guide

Mota dzinodzora PCB dzinoita basa rakakosha mumidziyo yakawanda yatinovimba nayo zuva nezuva, kubva kumotokari dzemagetsi kuenda kumidziyo yemumba. Kunzwisisa kuomesesa kweaya maPCB kwakakosha kune mainjiniya nevagadziri vanoshanda mumaindasitiri akasiyana. Mugwaro rino rakazara, tichaongorora mibvunzo inowanzo bvunzwa nezve mota yekudzora maPCB, tichipa tsananguro dzakadzama uye nzwisiso mumagadzirirwo awo, zvikamu, misimboti yekushanda, nezvimwe zvakawanda.

Unogona Kushandisa Mota Kudzora PCB MuMarudzi Ese EMota Controller?

Mota dzinodzora PCB dzakabatanidzwa kune akasiyana marudzi emota controller, kusanganisira:

Vanodzora Mota dzeAC : Vanodzora mota idzi, vanozivikanwawo semadhiraivha anogadziriswa kana kuti maAC inverters, vanogadzirisa frequency yesimba rinopihwa kumota kuti vadzore torque yayo nekumhanya kwayo. MaPCB ekudzora mota zvinhu zvakakosha muvanodzora mota dzeAC, zvichiita kuti mota ikwanise kudzora mashandiro ayo nemazvo.

Vatongi veMotokari veDC : Vatongi vemotokari veDC vanodzora magetsi ekupinda kuti vape magetsi akabuda zvakananga, vachinyatsodzora kumhanya kwemota uye torque. MaPCB ekudzora mota anoita basa rakakosha muvatongi ava, zvichigonesa modulation chaiyo yemagetsi kuti awane mashandiro anodiwa emota.

Vanodzora Mamota eServo : Vanodzora maServo vanodzora magetsi, kutenderera kweropa, kana kubuda kwemafrequency kuti vadzore kumhanya kwemota, matorque, uye nzvimbo dzayo nemazvo. MaPCB ekudzora mota akakosha kune vanodzora mamota eservo, zvichiita kuti pave nenzira chaiyo yekudzora uye yekupindura zvinodiwa kuti pave nenzira chaiyo yekudzora kufamba.

Vatongi veMotokari dzeStepper : Vatongi vemotokari dzeStepper, vanozivikanwawo sevanoisa mamotokari, vanodzora kubuda kwemagetsi mumatanho ekuwedzera kudzora kumhanya kwemotokari, torque, uye nzvimbo. MaPCB ekudzora mota anoita basa rakakosha muvatongi vemotokari dzestepper, achipa zviratidzo zvekudzora zvinodiwa uye kugoverwa kwesimba kuti mota ifambe zvakanaka. Kune mabhodhi eVR locomotion-platform controller , ma interfaces emotokari, ma inputs emushandisi uye zviratidzo zvekukanganisa zvinofanirwa kuongororwa pamwe chete nehurongwa hwemagetsi negrounding.

Ndezvipi Zvikamu Zvikuru zveMotokari Kudzora PCB?

Iyo yakajairika inverter-yakavakirwa mota inodzora PCB system ine zvinotevera zvikamu:

1. Digital Chikamu (Microcontroller): Inodzora hurongwa hwekutonga uye kutaurirana.
2. Kudzora Chikamu (IC Gedhi Mutyairi): Inodzora shanduko yemagetsi emagetsi.
3. Comparator Yekudzivirira: Inotarisa uye inodzivirira kubva kune yakawandisa uye yekukanganisa mamiriro.
4. Op-Amps Yekunzwa: Inopa mhinduro pane zvazvino, tembiricha, uye mamwe ma paramita.
5. Power Stage (MOSFET Uye IGBT Zvishandiso): Inotyaira mota zvichibva pazviratidzo zvekudzora.
6. Low-Voltage Power Supply: Inopa simba kune control circuitry.
7. Voltage Regulators: Regulate voltage mazinga ezvikamu zvakasiyana.

Ndeipi Nheyo Yekushanda kweDC Motor Controller PCB?

DC mota controller PCBs inoshanda zvichibva pamisimboti mitatu yakakosha:

1. H Bridge Circuit (Direction Controller): Inoshandisa ma switch mana akarongwa ari maviri maviri kudzora mafambiro ekuyerera kwazvino kuburikidza nemota, inonyatso kudzora kwayo kutenderera kwayo.
2. Pulse Width Modulation (PWM) Circuit (Speed ​​Controller): Inosiyanisa basa rekutenderera kweskweya wave chiratidzo chekudzora avhareji yemagetsi inoshandiswa kumota, nekudaro ichidzora kumhanya kwayo.
3. Variable Resistance (Armature Controller): Inogadzirisa iyo yekupinda ikozvino kune mota coil armature, ichikanganisa kumhanya kwayo.

Ndeapi Aya Akajairwa IC Packages EMotokari Kudzora PCB?

Mapakeji akajairika eIC anoshandiswa mukugadzira maPCB ekudzora mota anosanganisira:

1. TSSOP uye QFN Packages: TSSOP mapakeji ane zvimiro zvine rectangular ane akafumurwa mapedhi ekupisa kupisa, nepo QFN mapakeji asina lead nemapedhi padivi pemipendero yawo uye pedhi yepakati yekubvisa kupisa.
2. Leaded Packages: Inotungamira mapakeji seSOT-23 uye SOIC anoshandiswa kune yakaderera-simba maapplication, ane sarudzo dzeflip-chip zvimiro zvekusimudzira kupera simba.
3. Flip-Chip QFN Packages: Zvakafanana neyakajairwa QFN mapakeji asi ane flip-chip die attachment yekuvandudza kupisa kupisa uye kushanda kwemagetsi.

Iwe Unotengesa Sei Akafumura Mapadhi eIC Packages MuMotor Control PCB?

Kubatanidza mapedhi akavhurika emapakeji eIC, kunyanya mumapakeji eQFN (Quad Flat No-leads) uye TSSOP (Thin Shrink Small Outline Package), inzira yakakosha mukubatanidza maPCB ekudzora mota . Kubatanidza zvakanaka kunoita kuti kupisa kuparare zvakanaka uye kubatana kwemagetsi kwakavimbika. Heino gwara rakadzama rekuti ungabatanidza sei mapedhi akavhurika emapakeji eIC mumaPCB ekudzora mota:

1. Stencil Design: Tanga nekugadzira solder paste stencil ine diki denderedzwa kana sikweya mazaru anoenderana nemapadhi akafumurwa paIC package. Aya mazaru anofanirwa kuenderana nehukuru hwemapadhi kuti ive nechokwadi cheiyo solder deposition.
2. Solder Paste Deposition: Isa solder paste kune akafumurwa mapedhi pamota control PCB uchishandisa stencil yakagadzirwa. Ita shuwa kuti solder paste yakagovaniswa zvakaenzana uye inovhara iyo yese pad nzvimbo. Yakakodzera solder paste deposition yakakosha pakuwana yakavimbika solder majoini.
3. Component Placement: Nyatsoisa IC mapakeji ane mapedhi akafumurwa pane solder paste pane mota inodzora PCB. Gadzirisa mapedhi emapakeji eIC nemapedhi anoenderana paPCB kuve nechokwadi chekutengesa kwakaringana nekubatanidza magetsi.
4. Reflow Soldering: Pisa iyo mota inodzora PCB gungano muovheni reflow kuti unyungudise solder paste uye ugadzire majoini ekutengesa pakati peIC mapakeji nePCB pads. Iyo reflow soldering process inovimbisa kusungirirwa kwakakodzera uye yakavimbika magetsi ekubatanidza.
5. Thermal Management: Munguva ye reflow soldering, tarisa tembiricha nekungwarira kudzivirira kupisa kwezvikamu, kunyanya iwo IC mapakeji. Kutarisira kwakakodzera kwekushisa kunokosha pakudzivirira kukanganisa kwezvikamu uye kuve nechokwadi chekuvimbika kwezvibatanidza zve solder.
6. Ongorora Solder Joints: Mushure me reflow soldering, ongorora majoini ekutengesa kuti ave nechokwadi chekunyorova uye kuumbwa kwemafillet. Shandisa maitiro ekuongorora ekuona kana otomatiki ekuongorora michina kuona chero chakakanganisika senge isina kukwana solder kana solder mabhiriji.
7. Reflow Profile Optimization: Gadzirisai reflow solder profile, kusanganisira tembiricha yekukwira-kumusoro, soak, uye kutonhora mitengo, kukwidziridza maitiro ekutengesa kune chaiyo mota yekudzora PCB gungano. Iyo yakanyatso optimized reflow profil inova nechokwadi chakaenderana solder mhedzisiro uye inoderedza kuremara.
8. kuchenesa: Mushure mekutengesa, chenesa mota inodzora PCB gungano kuti ubvise chero zvisaririra kana zvinosvibisa zvinogona kukanganisa kuvimbika kwemajoini ekutengesa. Shandisa nzira dzekuchenesa dzakakodzera uye zvinhu zvinoenderana nePCB uye zvinhu zvechikamu.

Nekutevera nhanho idzi uye kutarisisa kune zvakadzama, unogona kutengesa akafumurwa mapedhi eIC mapakeji mune mota yekudzora PCBs zvinobudirira, kuve nechokwadi chekubatanidza magetsi akavimbika uye yakakwana yekupisa kupisa kwezvikamu.

EMC Kutevedzera Kwakakosha MuMotokari Kudzora PCB Dhizaini?

• Kukosha kweEMC Compliance: EMC kutevedzera kwakakosha mumotokari kudzora PCB dhizaini nekuda kwebasa rayo rakakosha mukuona kuvimbika uye kushanda kwemagetsi masisitimu. Pasina matanho eEMC akakodzera, kukanganiswa kwemagetsi (EMI) kunogona kukanganisa kushanda kwemidziyo yemagetsi iri pedyo, zvichikonzera kusashanda zvakanaka kana kukanganisa kwedata. Zvakare, zvinodikanwa zvemutemo zvinoraira kutevedzera EMC kune zvigadzirwa zvemagetsi zvinotengeswa mumisika dzakasiyana siyana, zvichidikanwa kutevedzera zvakatarwa zviyero uye nhungamiro. Nekugadzirisa zvingangoitika zveEMI uye nekushandisa nzira dzekudzikisa dzinoshanda, senge nzira dzekudzika pasi nekudzivirira, mota dzinodzora PCB dzinogona kuzadzisa EMC kuteedzera uye kushanda zvisina musono munzvimbo dzakasiyana.
• Impact paKuita uye Kuvimbika: EMC nyaya dzinogona kukanganisa zvakanyanya mashandiro uye kuvimbika kwemota dzinodzora masisitimu. Isingadzoreki EMI inogona kuunza ruzha mumaseketi emagetsi anonzwisa tsitsi, zvichikanganisa kutendeseka kwechiratidzo uye kukonzera maitiro asina kunaka. Uyezve, kuvhiringika kwemagetsi kunogona kutungamira kunyaya dzekupisa kana kutadza kwechikamu, kukanganisa hupenyu hurefu hwePCB uye iyo yese system. Nekugadzira neEMC kutevedzera mundangariro, mainjiniya anogona kuderedza njodzi idzi, kuve nechokwadi chekuti mota inodzora PCB inoshanda zvakanaka pasi pemamiriro akasiyana siyana ichichengetedza kuvimbika kwakanyanya uye maitiro ekuita.
• Kuenderana uye Kuwanikwa Kwemusika+ Kutevedzwa nemirairo yeEMC inobvumira zvigadzirwa zvemagetsi kuti zvitengeswe uye zvishandiswe mumatunhu akasiyana pasina kutarisana nezvipingaidzo zvemutemo kana zvekutonga. Pamusoro pezvo, maPCB anoenderana neEMC anowanzo kugarisana zvakanaka nemamwe maturusi emagetsi munzvimbo dzakagovaniswa, senge zvivakwa zvemaindasitiri kana mota dzekushandisa. Nekuisa pamberi peEMC kufunga panguva yekugadzira chikamu, vagadziri vanogona kusimudzira kushambadzira uye kudyidzana kwemota yavo yekudzora masisitimu, nekudaro vachiwedzera kusvika kwavo uye nekuona kugutsikana kwevatengi.

Ndeapi Iwo EMI Zvinyorwa MuMotokari Kudzora PCB?

EMI masosi mumotokari yekudzora maPCB anosanganisira akasiyana zvikamu uye masisitimu anobatsira mukukanganiswa kwemagetsi mukati meiyo system. Kunzwisisa masosi aya kwakakosha pakugadzira nzira dzekudzikisa dzinoshanda uye kuwana EMC kutevedzera. Mamwe akajairika EMI masosi mune mota control PCBs anosanganisira:

Vanodzora Simba : Vanodzora magetsi nemasekete ekugadzirisa magetsi vanogona kugadzira EMI nekuda kwekushanda kwavo kwekuchinja uye kuchinja nekukurumidza kwemazinga emagetsi. Switch-mode power supplies (SMPS) inonyanya kukonzera ruzha rwemafrequency akakwira, izvo zvinogona kupararira kuburikidza nemaPCB traces uye kukanganisa zvikamu zviri pedyo.

Matransmitter : Masisitimu ekudzora mota ane mamodule ekutaurirana asina waya kana matransmitter ekushanda ari kure anogona kuburitsa mwaranzi yemagetsi, kunyanya kana asina kudzivirirwa zvakanaka. MaRF transmitter nemareceiver anoshanda pamafrequencies anopfuura megahertz shoma anogona kukonzera EMI, zvichikanganisa zvishandiso zvemagetsi zviri pedyo kana nzira dzekutaurirana.

MaAnalog Amplifiers : Maseketi ekugadzirisa masaini eanalog, akadai sema amplifiers nema filters, anogona kupinza EMI musystem, kunyanya kana achishanda ne high gain kana kubata masaini makuru. Ruzha runobva kuma analog amplifiers runogona kubatana ne traces dziri pedyo kana zvikamu, zvichikanganisa kuvimbika kwesignali uye kuunza kupindira mumaseketi anonzwa.

Kuchinja Simba : Simba remagetsi rinoshandiswa kufambisa mota kana macircuit ekudzora rinogona kugadzira EMI yakakosha nekuda kwekuchinja kwaro nekukurumidza uye hunhu hwaro hwe di/dt ne dv/dt. Kuchinja nekukurumidza kwemagetsi muzvikamu zvemagetsi zvemagetsi, zvakaita seMOSFET kana IGBTs, kunogona kugadzira minda yemagetsi inobatanidza pane zvisaririra zviri pedyo kana kupenya munzvimbo yakapoteredza.

MaDigital Circuits : Zvikamu zvedhijitari, zvinosanganisira microcontrollers, digital signal processors (DSPs), uye field-programmable gate arrays (FPGAs), zvinogonawo kubatsira kuEMI kuburikidza nekushanda kwavo kwekuchinja uye high-speed signal transitions. Masignali ewachi, mabhazi edata, uye high-frequency digital interfaces zvinogona kugadzira harmonics uye emissions dzenhema dzinopararira kuburikidza nePCB uye dzinopenya munzvimbo yakapoteredza.

Kugadzirisa EMI masosi mumotokari yekudzora PCBs inoda kungwarira dhizaini kufunga, kusanganisira kwakaringana chikamu chekuisa, nzira dzekufambisa, kudzivirira, uye kusefa. Nekudzikisira mhedzisiro yeaya EMI masosi uye kuomerera kune EMC nhungamiro, vagadziri vanogona kuve nechokwadi chekushanda kwakavimbika kwemasisitimu ekudzora mota mumashandisirwo akasiyana siyana uku vachideredza kukanganiswa nezvimwe zvemagetsi.

Ndezvipi Zvimiro ZveMotokari Kudzora PCB Layout Ine Yakakura Mhedzisiro paEMI?

Iyo dhizaini yePCB inodzora mota inoita basa rakakosha pakuona mashandiro ayo emagetsi emagetsi (EMC). Akawanda akakosha maficha ePCB dhizaini anogona kuve nemhedzisiro yakakosha pakukanganiswa kwemagetsi (EMI) emissions uye kukurumidza. Heano maficha emota yekudzora PCB dhizaini ine simba guru paEMI:

• PCB Saizi uye Stackup: Iwo emuviri zviyero zvePCB, pamwe neyakagadzika stackup kumisikidzwa, inopesvedzera maitiro ayo emagetsi uye EMI maitiro. MaPCB akakura anogona kuratidza yakakwira parasitic capacitance uye inductance, inokanganisa chiratidzo chekuvimbika uye EMI kubuda. Pamusoro pezvo, iyo sarudzo yedhizaini stackup (semuenzaniso, nhamba yezvikamu, chiratidzo uye ndege dzepasi) inogona kukanganisa chiratidzo chekufambisa, impedance control, uye EMI kudzivirira.
• Grounding Topology: Chirongwa chekumisa chinoshandiswa muPCB dhizaini yakakosha pakudzikisa zvishwe zvepasi, kuderedza impedance yepasi, uye kutonga EMI. Maitiro ekugadzirisa akakodzera, akadai sekudzika nyeredzi kana ndege dzepasi dzakatsaurirwa, dzinobatsira kuchengetedza yakaderera impedance yepasi referensi uye kuderedza ruzha rwekubatanidza pakati pezvikamu zvakasiyana zvedunhu.
• Signal Routing: Kurongeka kwemasaini echiratidzo uye yakakwirira-kumhanya yedhijitari interfaces inogona kukanganisa zvakanyanya EMI emissions uye kukurumidza. Kungwarira kufambiswa kwemasaini echiratidzo, kunyanya yakakwirira-frequency kana yakakwirira-kumhanya masaini, inobatsira kudzikisa chiratidzo chekubatanidza, impedance mismatches, uye masaini maratidziro anogona kutungamira kumatambudziko eEMI. Yakasiyana kusaina uye inodzorwa impedance routing matekiniki anogona zvakare kushandiswa kuderedza EMI.
• Component Placement: Kuiswa kwezvikamu, kunyanya zvinoshanda, magetsi emagetsi, uye yakakwirira-frequency zvikamu, zvinotora basa rakakosha muEMI kutonga. Kuiswa kwakakodzera kwechikamu kunoderedza kubatanidzwa kwechiratidzo, kunoderedza nzvimbo dzezvitsigiro, uye kunogonesa kutendeseka kwechiratidzo. Zvinhu zvakakosha, senge microcontrollers, magetsi anoshandura, uye RF modules, anofanirwa kuiswa zvine hungwaru kuti aderedze kupindira uye kuve nechokwadi chekushanda kwakavimbika.
• Shielding Techniques: Kubatanidza maitiro ekudzivirira, senge akavharirwa pasi, magaba ekudzivirira, kana maconductive coatings, anogona kubatsira kuve nemagetsi emagetsi uye kuderedza kuburitswa kweEMI. Kudzivirira zvinhu zvinosiririsa kana masisitimu, senge analog wedunhu kana RF zvikamu, zvinobatsira kudzivirira kukanganiswa kubva kunze kwekunze uye kudzikisira zvinogona kuitika EMI matambudziko.

Nekukwenenzvera aya magadzirirwo maficha uye kuomerera kune EMC nhungamiro uye akanakisa maitiro, vagadziri vanogona kudzikisa nyaya dzeEMI uye kuona kushanda kwakavimbika kwemotokari yekudzora PCB mumashandisirwo akasiyana. Kuita zvakakwana EMC kuyedzwa uye kusimbiswa panguva yekugadzira chikamu kunobatsira kuona uye kugadzirisa zvinogona kuitika EMI matambudziko nekukurumidza, kuve nechokwadi chekuteedzera mitemo uye zvinodiwa nevatengi.

Iwe Unoderedza Sei Ground Impedance MuMotokari Kudzora PCB?

Kudzikisira pasi impedance mumotokari kudzora PCBs kwakakosha pakuona kwakagadzikana kuita uye kuderedza electromagnetic interference (EMI) nyaya. Imwe nzira inoshanda ndeye kushandiswa kwendege dzepasi dzakatsaurirwa, uko nzvimbo huru dzePCB dzakagoverwa zvakananga kune kubatanidza pasi. Nekupa nzira yakaderera-yekudzivirira yekudzoka mafungu, ndege dzakatsaurirwa pasi dzinobatsira kutsaura zviratidzo zvine ruzha uye kuderedza zvishwe zvepasi, kuvandudza kutendeseka kwepasi rose.

Imwe nzira yakakosha ndeye optimized trace routing, kunyanya kune yepasi. Kuchengeta pasi inoteedzera ipfupi, yakananga, uye isina mabhendi akapinza kana discontinuities kunobatsira kuchengetedza yakaderera impedance nzira dzekudzoka mafungu, kuderedza chiratidzo chekubatanidza uye kuderedza pasi impedance. Pamusoro pezvo, kuburikidza nekusona zvakatenderedza zvikamu zvakakosha kana chiratidzo chechiratidzo chinogona kubatanidza ndege dzepasi dzakasiyana uye kugadzira nzira dzakawanda dzakaderera-impedance dzekudzoka mafungu, zvichiwedzera kuvandudza kuvimbika kwepasi uye kuderedza EMI.

Kuve nechokwadi chekudzika-kupokana kubatana pakati pezvikamu, zvinoteedzera, uye ndege dzepasi kwakakosha zvakare. Kushandisa yakafara zvisaririra, vias ane madhayamita hombe, uye soldering zvinoriumba zvakananga pasi ndege kunogona kubatsira kuderedza kuramba uye kunatsiridza pasi conductivity, kuderedza pasi impedance uye kusimudzira yose PCB kuita. Pamusoro pezvo, kushandisa nzira dzakakodzera dzekumisa, senge kumisa nyeredzi kana kupatsanura zvine hunyoro analogi uye nzvimbo dzedhijitari, kunobatsira kuderedza zvishwe zvepasi uye kuchengetedza nzvimbo yakachena yereferensi, zvichibatsira mukuderedza EMI.

Ndezvipi Zvishandiso zveMotor Control PCB?

Mota control PCBs zvinhu zvakasiyana-siyana zvinoshandiswa mumhando dzakasiyana dzekushandisa mumaindasitiri akasiyana siyana. Heano mamwe maapplication akajairika apo mota yekudzora PCB inoita basa rakakosha:

Consumer Electronics: Mota dzinodzora maPCB anowanikwa mune akasiyana siyana emagetsi evatengi semafeni, pombi, air conditioner, uye midziyo yemukicheni senge mablender uye ma processor echikafu. Aya maPCB anogadzirisa kumhanya kwemota uye torque kuti ive nechokwadi chekushanda kwakanaka uye nyore mushandisi.

Marobhoti: Mumarobhoti, mota inodzora PCB yakakosha pakudzora kufamba kwemarobhoti maoko, majoini, uye actuators. Vanogonesa kudzora kwekufamba uye kurongeka, zvichibvumira marobhoti kuita mabasa nemazvo uye nekuvimbika mumaindasitiri, ekurapa, uye ekutsvagisa zvikumbiro.

Manufacturing Equipment: Mota dzinodzora maPCB zvinhu zvakakosha mukugadzira michina nemidziyo, zvinosanganisira CNC michina, maconveyor masisitimu, uye marobhoti eindasitiri. Aya maPCB anodzora kumhanya, chinzvimbo, uye kushanda kwemotor, kuve nechokwadi chekugadzirisa uye kuita maitiro ekugadzira.

Motokari: Motokari dzinodzora PCB dzinoshandiswa mumhando dzakasiyana dzemotokari, kusanganisira magetsi emagetsi ekufambisa masisitimu, pombi dzemagetsi, masisitimu eHVAC, uye mawipers emhepo. Ivo vanobatsira kudzora mashandiro emota, kukwidziridza mashandisiro esimba, uye kuwedzera kuchengetedzeka kwemotokari uye kunyaradza.

Mota dzeMagetsi (EVs): Mumotokari dzemagetsi, maPCB anodzora mota anoita basa rakakosha mukudzora mota dzekufambisa, masisitimu ekutonga mabhatiri, uye masisitimu ekugadzirisa mabhureki. Aya maPCB anovimbisa kushanda nesimba kwesimba, kukwidziridza kutyaira, uye kusimudzira kuita kwese kwemotokari uye kuvimbika.

Military Systems: Motokari dzinodzora PCB dzinoshandiswa mune zvechiuto zvikumbiro senge zvisina kurongwa ndege dzemuchadenga (UAVs), mota dzepasi, uye ngarava dzemugungwa. Ivo vanofambisa kudzora kwakaringana kwepropulsion masisitimu, zvombo masisitimu, uye midziyo yekutarisa, zvichibatsira mukubudirira kwemishoni uye kushanda nesimba.

mhedziso

Kazhinji, maPCB ekudzora mota anoita basa rakakosha mukudzora mashandiro emota mumashandisirwo akasiyana-siyana. Nekunzwisisa misimboti yavo yekugadzira, kusarudzwa kwezvikamu, kufunga nezvemarongerwo, uye mashandiro, mainjiniya nevagadziri vanogona kugadzira masisitimu ekudzora mota akavimbika uye anoshanda ekushandiswa kwakasiyana-siyana kwemaindasitiri nevatengi. Kana muine mibvunzo kana rubatsiro nezvekugadzira nekugadzira maPCB ekudzora mota, inzwa wakasununguka kutibata kuti muwane nhungamiro nerutsigiro rwenyanzvi.

Kuti uwane ongororo yakakwana yekugadzira, shandisa chinyorwa chino pamwe chete nesarudzo yekupedzisa PCB uye chinjisa kugadzirwa kwePCB paunenge uchitarisa zvinodiwa pakugadzira zvinhu, kugadzira, kana bvunzo.