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MarcoCoscarella–Revisioneerestauroorologi
INFO@LABOROLOGIO.IT
TEL.3389612737
Sett.2016
Rolex 6517 calibro 1161
1
Revisione completa calibro
Restauro cassa vetro e bracciale
2
STATO OROLOGIO
-1) L'orologio al cronocomparatore
elettronico presentava un andamento di
marcia molto irregolare, soprattutto se
orientato nelle diverse posizioni.
Valori bassi di amplitudine (fino a 150) e
ritardi anche di diversi minuti al giorno.
-2) La lubrificazione era scarsa;
-3) La spirale del bilanciere era piegata
vicino al pignone e anche fuori piano:
rilevati segni di intervento sulle spire.
-4) Lo stato esteriore della cassa e del
bracciale era pessimo
- 5) il vetro era fortemente rigato e rendeva
l’orologio poco leggibile
3
LAVORI IN SINTESI (Vedi scheda dettaglio)
Revisionata spirale con centratura rispetto
all'asse verticale e orizzontale; di
conseguenza è migliorata l’amplitudine e la
regolarità di marcia al cambio di posizione.
Smontaggio completo, lavaggio a macchina
componenti con TI-BI e benzina rettificata,
rimontaggio, verifica e lubrificazione.
Restauro cassa, bracciale, lunetta:
eliminazione graffi, recupero parti lucide
divenute satinate.
Lucidatura sfere (lancette).
Vetro-plastica restaurato mantenendo
l’esistente
4
A seguire le foto PRIMA e DOPO l’intervento
5
PRIMA DOPO
6
PRIMA DOPO
(Restaurato mantenendo il vetro originale)
7
PRIMA DOPO
8
PRIMA DOPO
9
PRIMA DOPO
10
PRIMA DOPO
11
PRIMA DOPO
12
PRIMA DOPO
13
PRIMA DOPO
14
ESITO REVISIONE MOTORE
Al cronocomparatore elettronico il calibro gira regolare e senza disturbi.
Qualche leggera irregolarità dovuta all'età (1969) ma ruotismi in buono
stato; assi puliti e integri; solo il pivot inferiore dell’asse ruota
scappamento è leggermente decentrato (probabile urto);
Lubrificazione generale con lubrificanti secondo le indicazioni Rolex
La fase si mantiene tra 0 e 0,5.
La spirale del bilanciere non era in posizione corretta; dopo l’intervento
l'amplitudine è cresciuta conferendo una migliore regolarità di marcia;
L’amplitudine in posizione orizzontale si attesta ora attorno ai 260 gradi.
15
16
Andamento al cronocomparatore elettronico
PRIMA e DOPO la revisione del calibro
17
PRIMA DOPO
MarcoCoscarella–Revisioneerestauroorologi
INFO@LABOROLOGIO.IT
TEL.3389612737
Sett.2016
Revisione Rolex 6517 calibro 1161

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