Smart Weigh yadzipereka kuthandiza makasitomala kukulitsa zokolola pamtengo wotsika.
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Smart Weigh yadzipereka kuthandiza makasitomala kukulitsa zokolola pamtengo wotsika.
Wolemba: Smartweigh-Multihead Weighter
Mfundo yofunikira komanso ukadaulo wogwiritsa ntchito wa multihead weigher Woyezera mutu wambiri ndi wa tension and pressure sensor, yomwe imagwiritsidwa ntchito poyezera zolondola za data static ndi kuyeza kolondola kwamphamvu. 1. Tanthauzo la multihead weigher limaganizira mokwanira mphamvu yokoka (g) ya adiresi yogwiritsira ntchito ndi buoyancy (f) ya madzi a gasi, malingana ndi kutembenuka kwa imodzi mwa miyeso yolondola (ubwino) kukhala ina yoyezera molondola (zotuluka) . ) kuti muyese molondola mtundu wa mphamvu ya mphamvu. 2. Lingaliro loyambira la multihead weigher Polyurethane elastomer (kugwedezeka kwapadera, tcheru kwambiri mtengo) kumayambitsa mapindikidwe zotanuka pansi pa mphamvu yakunja, kotero kuti kukana kuwunika (gawo losinthika) lomwe limayikidwa pamwamba pake kumayambitsanso kupunduka, komanso kupunduka kwa kupsinjika kwa gauge Pambuyo. kuti, mtengo wake wokana udzasintha (kukula kapena kuchepa), ndiyeno chotsutsa chidzasinthidwa kukhala chizindikiro chamagetsi kupyolera muyeso yolondola ya dera lamagetsi, ndiyeno njira yonse yosinthira mphamvu yakunja kukhala chizindikiro chamagetsi ndi anamaliza.
Sizovuta kuwona kuti ma geji olimbana nawo, ma polyurethane elastomers ndi mabwalo amagetsi oyesa ndi magawo ambiri ofunikira omwe sangathe kusowa muyeso wa resistor strain force multihead weigher. Magawo atatuwa akufotokozedwa mwachidule pansipa. 1. Resistance strain gauge The resistant strain gauge ndi chipangizo chamagetsi chotenthetsera waya chomwe chimafalikira pagawo laling'ono lopangidwa ndi zinthu zakuthupi, ndiko kuti, kuyeza kukana.
Chimodzi mwazofunikira zake zazikulu ndi dexterity index K. Pamene mbali zake ziwiri zimagonjetsedwa ndi F mphamvu, zikhoza kutambasula, mwa kuyankhula kwina zimayambitsa mapindikidwe. Poganiza kuti yatambasulidwa, gawo lake lodutsamo limakhala laling'ono, ndiye kuti, gawo lake lozungulira lozungulira limachepa.
Ubale pakati pa kukana zotanuka coefficient ya resistance strain gauge (kusintha kwachibale kwa resistor) ndi elongation ya waya wotentha (kusintha kwautali ndi waufupi) ndizofanana. Ziyenera kunenedwa kuti kukula kwa sensitivity index K mtengo ndi chizindikiro chomwe chimatsimikiziridwa ndi mawonekedwe azinthu zopangira kupanga waya wachitsulo. Zilibe chochita ndi maonekedwe ndi kukula kwa kukana kupsyinjika gauge. Mtengo wa K wazinthu zosiyanasiyana zopangira nthawi zambiri umakhala mu 1.7—3.6 Wapakatikati; mtengo wotsatira wa K ndi kuchuluka kopanda dimensionless, ndiye kuti, ilibe miyeso. Mu makina opanga uinjiniya, ΔL / L imatchedwa strain force, yomwe imatchulidwa kuti ε, ndipo nthawi zambiri imagwiritsidwa ntchito kusonyeza kuti ductility ndi yaikulu kwambiri, yomwe imakhala yovuta kwambiri. Nthawi zambiri amagwiritsidwa ntchito ngati miliyoni imodzi yabizinesi, yomwe imatchedwa με.
2. Polyurethane elastomer Polyurethane elastomer ndi gawo lokhala ndi mawonekedwe apadera. Lili ndi ntchito ziwiri. Choyamba, imakhala ndi mphamvu yakunja ya multihead weigher, yomwe imapangitsa mphamvu yobwereranso kuti ikwaniritse malire; Kukaniza strain gauge yomwe ili kuderali ndi yabwino kwa ntchito ya tsiku ndi tsiku yosintha mphamvu yamagetsi ndi chizindikiro chamagetsi. 3. Kuyang'ana dera loperekera mphamvu Ntchito yowunikira dera loperekera mphamvu ndikutembenuza chopinga cha kukana kutulutsa mphamvu kuti igwire ntchito.
Chifukwa mlatho wa Wheatstone uli ndi zabwino zambiri, monga kutha kuletsa kuvulaza kwa kusintha kwa kutentha, kupondereza mphamvu ya mbali, ndikutha kuthana ndi vuto la chipukuta misozi cha multihead weigher, mlatho wa Wheatstone wakhala ukugwiritsidwa ntchito kwambiri. choyezera mitu yambiri. ntchito. Popeza kuti dera la mlatho wa mkono monga unyolo wodzikundikira wathunthu ndi wovuta kwambiri, magawo akulu a mkono uliwonse ndi ofanana, ndipo zoopsa zamitundu yosiyanasiyana ndizosavuta kuthana nazo, kotero woyezera ma multihead amagwiritsa ntchito unyolo wathunthu wodzikundikira ndipo mabwalo ena amlatho a mkono.
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