本帖最后由 chn6 于 2014-1-5 21:36 编辑
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5 r, s) W$ _! B: s! A3 ?2 q9 ]一份比较老的资料,但今天偶然看到里面有关键测试数据,可以一扫许多疑问,故发出来大家看看。
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! Y, U* [" L* J' p$ \# Y9 o$ _关键数据:
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( ]) Z2 p" f UDATA0 B( d) I- m! I
OMEGA DE VILLE HOUR VISION CO-AXIAL CHRONOMETER
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Manufacturer:
: w6 M+ G' \6 A7 Q' [: XOmega SA, Rue Stämpfli 96, CH-2500 Biel 4, Switzerland, v0 \% t+ S5 _9 _! s
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Model:
# ^' f/ n" J6 }De Ville Hour Vision Co-Axial Chronometer
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Reference number:/ m n; v9 d! }$ t% K2 f8 a
431.63.41.21.13.0013 G, D# n: h2 O$ Q ~8 g* a
$ H, O1 y- F6 I, X& MDimensions: 腕表几何尺寸
& P! _* e3 d$ w* q6 \! d: TDiameter = 41 mm 表径(毫米)0 e( p/ X% S- k( z0 s* j( |) G( x& Y6 ^
height = 12.2 mm 厚度(毫米)
% k& Q* c0 B- l! cweight = 112 grams 质量(克)- y {: k( w3 Q1 V$ h2 R: X' [& |& ^
& _9 L. [- v/ ~# o) ?Functions:6 v; L5 H V( g- u4 W2 \8 ]
Hours, minutes, central seconds and window date- X/ G/ f. B# [* V7 C9 w; q" N, G/ e
% P6 b" d; p. o7 B9 n' oMovement: 机芯参数
) [% ]: q( q5 L9 U3 k- i3 \Caliber 8500 (stainless steel; Caliber 8501 has a gold balance bridge and gold rotor);
z, q' ?1 k! ~: a, O* `* `diameter = 29 mm (13 lignes); 直径; z' e4 D0 ?9 J0 F" e5 E
height of Caliber 8500 = 5.5 mm; 厚度9 {9 z/ B0 o0 D+ d6 c) y1 Q
height of Caliber 8501 = 5.6 mm; 厚度
/ V9 |2 w; {( m' a1 K2 g7 L39 jewels; 39宝石
& C9 W: ]: A9 D- pco-axial escapement with freely oscillating balance spring without index; 同轴擒纵无卡度游丝砝码摆轮
7 T& h2 Z g' w: c+ x& t% M( Z: L8 @Nivarox-Anachron balance spring; Nivarox-Anachron合金游丝4 @* U1 D2 `0 r( d4 O2 _
moment of inertia = 21 mg x cm^2; 摆轮惯量
, w0 H8 y$ k: b. B* |4 Langle of lift = 38°; 升角7 ?/ H7 K5 a; S( Q1 K. u0 ~
frequency = 25,200 vph (3.5 hertz); 摆轮频率7 M5 a( [$ U# m
Nivachoc shock absorption; Nivachoc避震器
: Y. w$ X( w3 u7 A {Caliber 8500 has a heavy metal rotor, Caliber 8501 has a solid gold rotor; 8500钢质自动陀,8501金质自动陀& r9 R6 R, x j5 I% u8 W# K
each rotor winds in both directions of rotation; 双向自动上链8 Q' m' v" b2 A+ x
two barrels; 双发条盒
( z) n( W4 F+ ~4 {1 ~# W! eapprox. 60 hour power reserve; 约60小时动力储备
/ t! P0 \8 { D+ T" m$ Drapid adjustment for the date display; 日期显示快速调整
) G; ]/ z; l2 J5 f t/ ostop-seconds function; 停秒功能) W& U' s5 h% v* J
COSC chronometer certification. 瑞士官方天文台认证. Q# `! X+ t0 X* m* q3 R$ h
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Case:3 v$ I& P% j! Y6 X
Massive tripartite case made of sapphire crystal and rose gold; 4 w! c$ o; _; V/ k* O! `! w7 n
back has pane of sapphire crystal and is affixed by four screws;
9 f' L, N2 V9 j; x9 Y6 R) vcrown isn’t screwed;
( E* i4 c8 _5 o- A0 Rsapphire crystal above dial is nonreflective on both its surfaces; 0 j# l# ^7 h8 |" z& s
water-resistant to 100 meters.
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Strap and clasp:
/ {+ A4 G) o( k5 H* U' N- u0 KCrocodile-skin strap (20 mm x 18 mm) with rose-gold folding clasp.
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: V; T# K: \3 x: P; b$ yResults of rate test: 测试结果9 L3 Q- f: a" `) C1 U8 v
(When fully wound / after 24 hours / after 39 hours. Deviations in seconds per 24 hours) 4 n9 \' W L& a1 d
(满链 / 24小时后 / 39小时后. 误差单位:秒/天)
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面上 Dial up............................................................................................ +1 +2 +2/ y6 _( Z6 V" U' x
面下 Dial down........................................................................................ +3 +5 +4
: F# o; L" y2 A( N* K& c6 ^把下 Crown down..................................................................................... 0 +1 +2$ j$ _% s& q6 [5 O
把左 Crown left........................................................................................ +3 +5 +2( S, s. T; Y* B
把上 Crown up......................................................................................... +1 +3 +3
' @3 D* G1 H! r- g# R% p$ c把右(第6方位)Crown right..................................................................... 0 +1 +2' l3 E& Y( O* y2 W; x4 T/ P9 v" C( E' X
瞬时日差最大差(D)Greatest deviation of rate.......................................... 3 4 2; }5 G7 B* U% g4 |/ Q
瞬时日差平均值(X)Mean deviation......................................................... +1.3 +2.8 +2.5" E3 t" \1 r7 H
平放平均摆幅(Xh) Mean amplitude flat positions..................................... 292° 259° 245°4 | @5 E: A! l* S5 A6 q0 e) W( ?
立放平均摆幅(Xv)hanging positions....................................................... 276° 244° 223°
# p3 m& q; `! R$ p立放最大摆幅差(Dv)Maximum difference between the vertical positions... 4° 3° 5°
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1 H) Q1 f) n7 G( _+ k- d对照之前收集的8500在O服的误差单做参考(专用校表仪数据,数值准确),文章数据合理 W! ~$ h# [. N. {$ z; z4 {" Y
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例1,使用一年(合金游丝)
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例2,新表(硅游丝). c0 G) ]+ d2 e' b I% p
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' B& |. Y9 b0 E% ~例3,2年3个月(合金游丝)$ _' q* ~" p4 U0 U( y: O
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! O( h; R: m O2 p: S- H: `' |3 \例4,使用10个月(硅游丝)$ k! A$ c8 u. A+ v3 H0 p5 T; L. }
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例5,新表(合金游丝)4 K" S* i8 t8 B n0 I. }
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例6,新表,6方位测试(硅游丝)" b: _4 d- ^& Q
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例7,新表,6方位测试(硅游丝)
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! c6 F, i0 p2 }' G9 q8 N根据以上数据,我们可以计算得出:* ?4 v- J! e; {3 x7 W# [ [
1. 满链时的平均瞬时日差(X0)= +1.3秒/天
4 U _, ^8 I3 Y2. 24小时后的平均瞬时日差(X24)= +2.8秒/天
5 a! ~& V" s- d) t5 A- a$ `$ d3. 39小时后的平均瞬时日差(X39)= +2.5秒/天7 v2 k7 ]6 M( K* ^( p: h" J4 ]7 f0 N
( _+ \9 k) P4 N9 r5 `$ Y8500机芯从满链到39小时后,平放摆幅下降最大值47度,立放摆幅下降最大值53度,最大摆幅下降值69度,最低摆幅223度时。. \% r* G0 z5 P' y
如此摆幅变化,平均误差最大差,从0至39小时只有1.5秒/天
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' S9 W9 d% x4 ^$ v; d& C; q至少可以得出以下结论:/ X, _5 j7 F6 N/ @# B6 T
1. 8500机芯摆幅低至223度也可以正常工作3 N/ P. }2 Q8 ^& Y/ y; `
2. 8500机芯从上满弦后即使不动,40小时内误差变化在1.5秒内。
g5 _5 x) f" R+ B) g: e3. 同轴擒纵相对杠杆擒纵,由于其“纵”的过程干脆直接不拖泥带水,摆幅的变化对误差的影响更小。 |