Receptionists pratsі - Moskalova VM

4.7.4 Ultrasound

For tehnologіchnih required in promislovostі vikoristovuєtsya nizkih frequency ultrasound - od of 18 to 30 kHz i visokoї potuzhnostі - 6-7 W / cm .

Nizkochastotny ultrasound chastkovo utvoryuєtsya at aerodinamіchnih processes Yea i suputnikom vіdchutnih shumіv (robot reactive dvigunіv, gas turbіn that іn.).

Ultrasound - Tse mehanіchne Oscillations pruzhnogo seredovischa, scho Got odnakovu Zi sound fіzichnu nature.

Ultrasound harakterizuєtsya gripe i іntensivnіstyu frequency Oscillations. Vіn vіdrіznyaєtsya od Sound Oscillations so scho do not spriymaєtsya Helsinki Human hearing.

Ultrasound buvaє nizkochastotnim, scho good poshiryuєtsya povіtrі in that pin i Shlyakhov visokochastotnim scho peredaєtsya Contact Shlyakhov.

Ultrasound at poshirennі Yogo at rіznih seredovischah poglinaєtsya note silnіshe, denote Vishcha yogo frequency. Water, metal that INSHI pruzhnі seredovischa poorly poglinayut ultrasound and vіdtak vіn poshiryuєtsya on the Great vіdstan, not practical vtrachayuchi energії.
Poglinannya ultrasound suprovodzhuєtsya nagrіvannyam seredovischa.

Spetsifіchnoyu osoblivіstyu ultrasound Yea those scho vіn poshiryuєtsya spryamovanimi beams. Zavdyaki visokіy chastotі that malіy dovzhinі Hvilya ultrasound stvoryuє Visokiy vice, scho yogo obumovlyuє vikoristannya in bagatoh Promyslova Process (mehanіchna obrobka solid krihkih materіalіv, znezhiryuvannya, peeled parts zvaryuvannya, soldered, ludіnnya, priskorennya hіmіchnih reaktsіy i t. Іn).

Unaslіdok trivaloї robot on Ultrasonic pratsіvniki pіdpadayut pid negatively dіyu ultrasound through povіtrya abo bezposeredno at kontaktі s rіdkimi solid tіlami abo scho poshiryuyut ultrahvilі.

Bіlsh nebezpechnim for organіzmu Yea the contact exposure The ultrasonic vipromіnyuvannya at robotі s Manual іnstrumentami pid hour soldered, ludіnnya abo peeled pieces.

When vikonannі vkazanih robіt, if ultrasound perevischuє boundary dopustimі rіvnі, mozhut vinikati funktsіonalnі zmіni in tsentralnіy, periferіynіy nervovіy that sudinnіy systems organіzmu in mіstsyah contact (vegetativnі polіnevriti, m'yazova slabkіst paltsіv hands that peredplіchchya).

Nizkochastotnі ultrazvukovі hvilі vplivayut negatively on the hearing is the vestibular system, bolovu chutlivіst i termoregulyatsії processes, about scho svіdchat chislennі doslіdzhennya gluhonіmih.

Key documents scho reglamentuє BEZPEKA at robotі s ultrasound Je SDS 3.3.6.037-99 "Ultrasound. Zagalnі vimogi BEZPEKA ".

When she hands kontaktі іnshih Chastain tіla Helsinki Human organs h robochem scho generuyut ultrasound rіven yogo not guilty perevischuvati 110 dB. Trivalіst hour dії ultrasound Got obumovlyuvatisya vіdpovіdnim rozrahunkom.

W metoyu profіlaktiki shkіdlivogo vplivu ultrasound, vikoristovuyut automaticity malopotuzhne ultrasonic obladnannya that installation s distantsіynim upravlіnnyam. Dwellers uniknuti rozpovsyudzhennya ultrasound, installation obladnuyut zvukoіzolyuyuchimi covers that ekranami, coverages gumoyu, protishumovoyu mastic, that іn.

Efektivnosti method profіlaktiki Je rozmіschennya obladnannya in zvukoіzolovanih primіschennyah abo zastosuvannya spetsіalnogo іnstrumentu that zastosuvannya ZІZ (s antiphon ultrathin sklovatoyu, zahisnі rukavitsі i t. Іn). Before the robot dopuskayutsya individuals scho dosyagli 18 rokіv.