EN
AR
CS
DA
NL
FI
FR
DE
EL
IT
JA
KO
NO
PL
PT
RO
RU
ES
SV
TL
IW
ID
LV
SR
SK
VI
HU
MT
TH
TR
FA
MS
GA
CY
IS
KA
UR
LA
TA
MY
Operatiōnēs Iranīs dē mīnā copper—Sarcheshmeh in prōvinciā Kermān, unum ex maximīs mundī depositīs copper porphyritīcīs, et Sungun in Āzerbāijānō Oriēntālī—agunt Atlas Copco Furēs RD18U in forātiōne dēvelopmēntī et productiōnis in durīs formatiōnibus granodioritīcīs et metamorphōsibus ad 150–200 MPa UCS. Pinus parallēlus in mōdulō percussiōnis RD18U stat exactam allīnēmentum angulārem inter valvulam et cȳlindrum percussiōnis. Adaptātiō eius—interferēns pressa in faciē valvulae, slip-fit in cȳlindrō—constituit concentricitātem quae spool valvulae reversae in locō rēctō tenet rēspectū ad forāmen percussiōnis. Pinus parallēlus consumptus aut subdimensionātus permittit microrōtātiōnem valvulae rēspectū ad cȳlindrum sub onere vibrātiōnis percussiōnis, quod spool movet et praecisiōnem commutātiōnis valvulae deteriorat.
In Iranā, impedīmenta logistica pro partibus ēquipamentī ōrīginālis hīstorice operatiōnēs ad fabricātiōnem locālem fastīgiorum nōn crīticōrum dēvertērunt. Clavus parallelus in eā categoriā est quam substitūtae factae in locō male tractant: tolerantia diametrī clavī (typicē tolerantia h6, ±0,006 mm) strictior est quam in commūnī stōcā commerciālī, et fīnis superficiei (Ra 0,4 μm) subtilior est quam centra tornandī prōdūcere possint absque ābrāsiōne. Clavus ex barra rotundā commerciālī in torno locālī factus similis vidētur, sed 3–5× maior clārēntia diametrālis et asperitās superficiei originalis habēbit, unde problema microrōtātiōnis quod prohibēre dēbēbat oritur.
Specificātiō Clavī Parallelae
Dimensio |
Specificatio OEM |
Substitūtum ex Barra Commerciālī |
Consequentia Substitūtiōnis |
Tolerantia Diametri |
h6 (±0,006 mm) |
h9 (±0,025 mm) |
clārēntia 3–4× maior; micro-rōtātiō blocī vālvulāris |
Finis Superficiem |
Ra 0,4 μm |
Ra 1,6–3,2 μm |
Aucta ābrāsiō per oscillātiōnem; celerior deteriorātiō aptātūs |
Material Hardness |
48–52 HRC |
20–30 HRC (commerciale) |
Usura 5–8× celerior sub onere percussivo |
Tolerantia longitudinis |
±0.01 mm |
±0.2 mm |
Separatio faciei intercapedinis incorrecta |
Operationes Iranicae quae ad clavos parallelos RD18U specificationis originalis a HOVOO suppeditatos transierunt, nuntiant eliminationem symptomatum micro-rotationis intercapedinis valvularis, quae antea irregularitatem percussivam in drifters curatis clavis localiter fabricatis producebant. Pretium clavi levissimum est; praecisio autem quam in circuitu valvulari permittit, non est. Specificatio dimensionum completa et referentiae suppeditationis ad hovooseal.com.
