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[讨论] 为何装配体文件动不动就几百兆?存盘一次要十多秒呢?

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发表于 2015-5-9 19:26:56 | 显示全部楼层 |阅读模式 来自: 中国广东广州

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为何装配体文件动不动就几百兆?存盘一次要十多秒呢?  p. |! [; a; y7 r
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装配体是基于SW原生开始做起的、全部零件都是内部虚拟形式、才十几个零件、就三四百兆了。
0 r, h" k% b1 G5 z0 W在零件层面编辑时、存盘都是快过眨眼的。但回到装配体层面、一按存盘就出现等待图标和硬盘狂响...' P6 i- }* m# M" R) s

) C' L% I1 A. X: }  n2 t+ v请教下、这是什么问题?我有什么可以做?

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发表于 2015-5-9 20:24:18 | 显示全部楼层 来自: 中国北京
建议装配体零件全部放到外部去,否则一旦装配体损坏,你哭都没地方哭,我就碰到同事干这种事,打不开,那很多东西都要重新画过,你说这会使他的生活变得更加充实了吧!
 楼主| 发表于 2015-5-9 21:01:28 | 显示全部楼层 来自: 中国广东广州
fushuixiu 发表于 2015-5-9 20:24 static/image/common/back.gif
& k( H  F/ k# Z2 E9 S! \0 x4 _建议装配体零件全部放到外部去,否则一旦装配体损坏,你哭都没地方哭,我就碰到同事干这种事,打不开,那很 ...

6 p+ P& P% \& e8 l- x多谢提醒、刚尝试了把装配体里面的全部零件都保存到外部、然后保存、) p4 B8 R0 S5 q! e# b, F
发现装配体仍然是几百兆的大、与之前不同的只是减去了每个零件几十K、???$ l" G7 U: i1 s/ ^7 c1 d( ^

( _3 F+ c1 n" J: j/ Y: @, p, _- |也许我试试用一个新的装配体、把零件添加进去看看、稍后回头报告...  _. o, v0 v1 E) s0 n* E5 A% x& w9 ~) W
 楼主| 发表于 2015-5-9 23:14:09 | 显示全部楼层 来自: 中国广东广州
fushuixiu 发表于 2015-5-9 20:24 static/image/common/back.gif
4 u! K* l1 X2 x2 ^8 O5 V8 Q4 T建议装配体零件全部放到外部去,否则一旦装配体损坏,你哭都没地方哭,我就碰到同事干这种事,打不开,那很 ...

/ o7 @) g; ^! \1 ^尝试了用一个新的装配体、把零件添加进、保存、装配体文件只有几十K。, i% E  n1 X- `& D" x+ z0 m

* X9 P( K; n: O. a: {然后、设定了几个视图、加了几个配合后、装配体文件就马上变成十几兆了、再多做几步又是几十兆了......- P* U2 P# x. T2 K3 c+ e4 n1 G
是不是我的什么设定出了问题?
发表于 2015-5-9 23:39:14 | 显示全部楼层 来自: 中国广东肇庆
如果不泄密的话,楼主传一个上来让大伙看看眼界。
 楼主| 发表于 2015-5-10 00:35:35 | 显示全部楼层 来自: 中国广东广州
本帖最后由 Roystudio 于 2015-5-10 01:05 编辑
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keilei001 发表于 2015-5-9 23:39 static/image/common/back.gif
7 e8 D  R' r( T0 g' v如果不泄密的话,楼主传一个上来让大伙看看眼界。

' N/ W6 Q0 {3 P) ]4 Q啊...不要笑话我了......我也希望我能......只是我个人没权而已。; S" r$ [0 I/ `2 m3 R
我看到很多同学传了文件、有些前辈一看、马上解决了问题、确实看着文件好交流的。
: y8 w& _- I4 L3 l- d, h5 E( i, O: `. d( u# Q+ u! e

9 E+ g% j5 q7 b啊!顺道请教下、模型的尺码大小会不会影响SW的文件体积?(装配体全局就大约 长7米*宽3米*高1.8米)
发表于 2015-5-11 10:55:02 | 显示全部楼层 来自: 中国辽宁盘锦
Roystudio 发表于 2015-5-10 00:35 static/image/common/back.gif6 W4 {* H+ l" L  w" s
啊...不要笑话我了......我也希望我能......只是我个人没权而已。
; W! C7 K/ i+ J+ F) t2 o; D我看到很多同学传了文件、有些前辈一看 ...

  b* @! s, h/ V7 d一,可能是大. i" v5 @9 ~& l( u4 j5 Y
二,有好多的细节
 楼主| 发表于 2015-5-11 14:36:20 | 显示全部楼层 来自: 中国广东广州
阿帕奇 发表于 2015-5-11 10:55 static/image/common/back.gif3 ?6 S. b% |0 J# \
一,可能是大
& K3 y* q3 }( {  T5 ?  l/ G2 V二,有好多的细节

1 S3 ~2 n: ]+ s0 _+ J5 L; \谢谢提供思考线索~~
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% ^: Y; q2 z2 R5 ^细节还没有太多、目前的设计进度只相当于总体的5%左右、装配体已经异常的几百M大、
. k7 `2 h, n9 h+ m以这个趋势、我顾虑往后可能很快就变成几个G、直到崩溃......汗啊......
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$ b) S% a' ]# G6 I, x虽然可以权宜、频繁切换、限制自己只在零件层面活动、但这样失去了很多top-down的便利..., _. W/ n4 C7 Q: o1 y' o' B& d
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所以就上来提起讨论了。+ I7 G4 H8 g8 m+ v+ U  l7 A' o
发表于 2015-5-11 15:57:48 | 显示全部楼层 来自: 中国辽宁盘锦
Roystudio 发表于 2015-5-11 14:36 static/image/common/back.gif
- ~* r( _" d8 W2 ^# D8 e谢谢提供思考线索~~
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细节还没有太多、目前的设计进度只相当于总体的5%左右、装配体已经异常的几百M大 ...

/ ^! h7 ?! m: c( i0 N这里的设置呢?
无标题.png
 楼主| 发表于 2015-5-11 17:36:54 | 显示全部楼层 来自: 中国广东广州
阿帕奇 发表于 2015-5-11 15:57 static/image/common/back.gif0 n6 }* d6 [/ |6 X+ R6 }+ l
这里的设置呢?
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检查了、文档属性这里是软件默认的普通水平、没动过、第一栏比上图的允许误差更大:2.77483289mm
 楼主| 发表于 2015-5-12 01:06:58 | 显示全部楼层 来自: 中国广东广州
本帖最后由 Roystudio 于 2015-5-12 01:18 编辑
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阿帕奇 发表于 2015-5-11 15:57 static/image/common/back.gif
7 H" j0 J: {; \; H) D9 }这里的设置呢?
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另外、我发现了一些规律:( |+ y5 `$ q1 [# m; n

7 m* }7 S' j3 `% i% h假设新建了一个装配体、在里面画了3个零件、全部保存到外部、每个零件的文件大小是2M、
$ f2 e2 T; V+ G( y如果这时候对装配体存盘、装配体文件的大小就是6M多。
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9 F. {% G* B; ^( f4 a( M3 o之后继续做、只是简单地在每个零件里面做一些微不足道的编辑(例如只增加了含有一个点的草图)。
7 ?$ j  b0 [$ D* b" }* Q! J如果这时候对装配体存盘、装配体文件的大小就是6M多+2+2+2=12M多。
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* z  j( v' y% h- O之后继续 对其中一个零件编辑、编辑后的零件变成4M、
- o$ O: }6 f8 \2 ]7 ^如果这时候对装配体存盘、装配体文件的大小就是12M+4M......
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/ M: M6 f  I' g5 H7 N- S, M; N也就是凡是有变动的零件、变动后的文件大小 会在装配体每次存盘的时候全数 堆叠到 装配体的文件大小。
0 j( a7 H6 m% {8 ]/ M2 S; c5 N就算这时候我把装配体里面的零件全部删除、再存盘、装配体的文件大小仍然是16M多......+ J1 ?4 `) u8 T  }1 T- W5 u* x
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不知道大家的情况是否这样奇怪?还是我这文件系统出了问题??
发表于 2015-5-12 09:39:16 | 显示全部楼层 来自: 中国山东威海
solidworks本来就是占资源最严重的,catia就比他好多了
发表于 2015-5-12 14:59:06 | 显示全部楼层 来自: 中国江苏无锡
不好意思,没有碰到过你这样的经历,我30个零件装配体,装配体文件也就948K大小。
 楼主| 发表于 2015-5-12 16:21:18 | 显示全部楼层 来自: 美国
wcmjmw0 发表于 2015-5-12 09:39 static/image/common/back.gif' ?% Z8 [  w; x) n/ a! K3 d
solidworks本来就是占资源最严重的,catia就比他好多了

) p- ?+ n& D2 Q. f" [* t; G) }SW嘛...除了偶然发现一些莫名其妙的现象、总体还是设计得很【用户友好】的、左手几乎全程可以摸着下巴配合思考......这是很吸引我的。
 楼主| 发表于 2015-5-12 16:25:06 | 显示全部楼层 来自: 美国
fushuixiu 发表于 2015-5-12 14:59 static/image/common/back.gif* X+ _4 n4 f8 D# D
不好意思,没有碰到过你这样的经历,我30个零件装配体,装配体文件也就948K大小。

5 ]% w; e" S- J4 `OK、欢迎发表~~
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& N8 B$ L6 f% p. q! E5 ]刚刚收到有个网友教 另存为 可以间接解决问题、装配体文件大小立刻变成合理水平。
 楼主| 发表于 2015-5-12 16:52:20 | 显示全部楼层 来自: 美国
本帖最后由 Roystudio 于 2015-5-12 17:02 编辑 / o, u' c3 x) v$ }( B! a( W" e
寂静天花板 发表于 2015-5-12 16:39 static/image/common/back.gif
, o& E# _) ~) V0 ?/ @第一张图,看重量( Z& B- W4 n1 h' P7 q6 t2 v( m
第二张图,看文件大小
* ~4 r* f7 g0 H$ G  i; K0 L) |3 D7 E纯粹的引用外部文件的装配体文件很小
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谢谢列举参考线索~~我发现了主因在于装配体文件大小会随着存盘次数不断堆叠膨胀、零件文件是外部或虚拟 都一样。3 D! A+ N1 R" B* I0 N- o

5 F: J( `+ U/ T+ n6 P4 ]& T% m3 U1 T下一楼我整理了一些类似的问题讨论和一些间接舒缓办法
9 d" J* o* {( j4 b
 楼主| 发表于 2015-5-12 17:00:18 | 显示全部楼层 来自: 美国
阶段性的总结一下、希望对后来者有帮助:, Z: `7 G/ W) h9 F3 l) K- i
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网友wumatao和wuzhijian分享的经验:另存一下,似乎会减小文件大小,不妨试试
3 _1 Y; p. k$ {$ P' C3 a, C* g【我验证过、很有效、装配体文件大小可以从几百M变成1.9M】( B" d( R7 A; t% l
1 l: j) L, p' H) {8 o

' e% \! u0 c% E' T% T另外、后来在网上看到一些遇到相同问题的讨论:2 }" Q8 W5 H2 a5 A- C

3 x1 }. p  o" j$ F2 a# ^————————tdx99
/ p% u& [" u. ?2 O* B4 ]  M4 pHello All,
) O; L( }6 l/ c/ L( ], p( ?- n
1 ~# s$ l$ m& h) m& V0 p: M# qI was asked to look into an issue with apart that an engineer designed. The saved part is 0 q4 q% H! v/ C5 Z0 M! X6 ?1 K
85megs! The part hasabout 100 features. One of my part with about the same number of 2 z7 Y/ i7 }8 Q- ^+ u& Q  {
features is less then10 megs. Both the engineer and Iare fairly new to SW so I couldn't + }! @1 Y5 M7 J' [! e: M: s
figure out what the problem was.All features weremade from simple extrusions, cuts, 5 ?# I! X5 N5 ]8 ~3 m) q5 T
patterns, chamfers, rounds. No complicated surfaces and not drafted yet. I did notice that
6 v) v( g4 B4 @5 A2 W/ oa lot of the extrusion and cut features were created as thins." X& `) t7 Y& ]- F

( K. X, ]( ?2 {$ e) y- l/ VI would hate to have to recreate the part.
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9 o8 J  z' o* W0 Y& v" z: B: eAny help would be appreciated.
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: E1 X+ Z: d% |7 m& a  p* YThank you,
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( ~  W/ }: ?# t+ J* ]- t——————————Metoo' N9 v! [% H0 ?
This is a problem in Solidworks; two people can design the same identical part and the two 5 d: \2 B; p3 S2 D) ?3 q
part file sizes can vary widely. If one made lots of changes; rebuilt his model numerous
+ {6 j/ Z+ Z: d/ Ttimes withmoved features in the tree; added and removed constraints, modified scetches,
' h$ l! c: W1 ]7 s% y: @etc, etc..., that file will grow and grow and grow.
* }9 B3 c8 \# g3 }3 v4 k- ~; `6 a1 U5 k; s6 }0 ~) z3 p
Here's the question - do you really need the feature tree? If its a simple part, then its 10 - ; S% O! w1 y! n2 ~) d7 V
15 minutes to redo. If its a complex part, then the feature tree is worthless anyway; save it   P& t+ }$ O" O) _
out as an iges or parasolid and bring it back in as dumb surface/solid. If you need to make
! u( T( p* n5 rchanges to it afterwards, then cut off what isn't needed and add what is. There's nothing " r% s: C& v. Q  J
mystical or magical about having a feature history with a part model.+ }8 D& s% Z+ M9 g7 g
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——————————tdx996 n  O: O1 g5 x8 t/ M
Thanks for shedding some light on the problem. We had a design review and quite a few   Y5 x7 }* F7 `* `/ s+ [
changes were made. Now the file is over 140meg. It takes about a minute to save the darn
1 Y' Z: w& r& I# L, \4 W6 Upart now. Is there any way to purge.. or trim the fat off of this thing? It is getting to the 0 H/ d' ^3 |! o; t1 F
point where it would be better to recreate the part.8 ^. z+ e7 i- }3 A

  l$ c& T" B: ^' ]+ h4 m——————————Meto
( `5 P! `; s% A! c' O+ sFirst; get rid of all the fluff; studio, lighting, background graphics; all the stuff that has
6 n% r$ D3 F3 g0 @. Q/ _+ J' X& }nothing to do with the part design. Go to your file options, and check the graphics display 7 o4 s  {6 o+ {) K! W/ k, b" L
resolution to be sure it isn't unreasonably set high, as well as associated setting. When all ; L* q$ t4 r; R: N6 J2 y
else fails, remodel the part.$ {( P3 U! k  U! O

# w. B* T+ A" Z4 x. O1 iI have noticed that similar files have exhibited a size reduction when opened and saved in + l3 X0 a: e5 {8 Q2 v2 V, D, A" s
next higher version of Solidworks. This recently happened when the company I was
! ^5 D: h% l3 \5 H. M" b. M' fcontracting for moved from 2007 to 2008.A mold part I was working onsaved in 2008 at ! p# M! k5 \7 ~* f& e" ^
about half the size as in 2007. That filealso had numerous changes to it, and I was about * R% Z+ J/ ^) }( w+ w. C; Z, ?( W
to save it out as a parasolid and bring it back in as a dumb model to reduce the size of 3 o2 G4 s9 N: J$ b# Z& v
assembly file before I noticed the part size dropped from about 100 meg to about 55 meg.
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- T4 u  k5 g" _  o! q2 d* }——————————ProE_Addict
# q& k6 g. R  f% l. W0 OI don't recommend "saving out and bring it back in as dumb geometry." At that point " T3 u8 G% }, _8 o3 L: ]
you've just spent a lot of time creating your masterpiece only to destroy thebeauty of the / r" b0 @2 P1 H7 @+ J
parametric software.  d% `1 X& x$ R; H; @; E

6 q+ i/ R, H/ X3 r1 K0 x5 ^If you can, do a File, Save As. This usually does the trick. I believe SW saves a lot of history . h4 r# L* }, l" v2 P) f5 u' P
data within each file. When you do a Save As, that history goes bye-bye and you start fresh.
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! L" R, _* Z, c3 X# t' d——————————FireWild- h0 f% h+ k6 d) {( R6 ^
I had this same problem with a Solid Works Part a few months ago I tried the save as trick 4 N# l! v' a9 D$ x
and it did not work I even sent it in to Support and they were not able to figure it out either. For the record I've never had this problem with a Pro-e part.
% H, _0 o! V$ _/ z5 `( T. d$ a% n+ J, z$ u6 F. w: F# d
——————————michael3130
; S! {$ ~/ ?# S6 T% \# [0 |% jYes, absolutely you need the feature tree.1 S( H$ ^+ {! ?& c
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If its a complicated part, the feature tree is worthless if you don't know how to model a
" w  B8 a% e0 D. t; Lpart properly. Seeting out a plan from the start to build your part, anticipating as best you 7 ^, a7 A9 E: Y) ^8 @6 A, Y
can changes that may occur in the future and through past experience, a complicated part
$ D% Z3 m5 @$ {6 x4 X8 Hcan be adjusted from the very 1st feature very successfully. It very much comes down to & s# p, U4 X- p; @6 u
the skill of the CAD user and this is one of the areas that makes the difference between
4 ^  x' p0 \8 H3 E9 `# Ysomeone who says they can use a 3D CAD package and someone who can actually use it.0 x1 c( |9 O) C: @
% E& o: b; \0 W* U
If the tree was useless, there would be no posts from users on this forum looking for ! r- ?5 i2 d! _+ L0 U5 C. O
workarounds to the problem of saving to an earlier version of the software. Though as I'm
% M* O" k( u+ q: K3 [8 U/ n3 C. Hsure you will see if you look that there are many.: _8 z' Q. \# h
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发表于 2015-5-12 19:15:59 | 显示全部楼层 来自: 中国山东莱芜
原先碰到过一次,文件偏大,另存后零件减小,但再次打开后保存,文件又变大了。感觉另存作用不大。
 楼主| 发表于 2015-5-12 21:44:56 | 显示全部楼层 来自: 美国
luanguangtao 发表于 2015-5-12 19:15 static/image/common/back.gif
1 {+ j; }( W9 q% {' L原先碰到过一次,文件偏大,另存后零件减小,但再次打开后保存,文件又变大了。感觉另存作用不大。
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我目前的权宜办法 :每次存盘的时候 用 另存为  取代 保存、覆盖上一个 另存为......
发表于 2015-5-13 08:38:07 | 显示全部楼层 来自: 中国山东莱芜
]这方法,下次试一下。但还是希望sw能改进一下,除非也无能为力
发表于 2015-5-13 10:04:35 | 显示全部楼层 来自: 中国辽宁盘锦
Roystudio 发表于 2015-5-12 21:44 static/image/common/back.gif' |+ D+ x8 ]+ p% F5 Y- Q: K5 T; m* O
我目前的权宜办法 :每次存盘的时候 用 另存为  取代 保存、覆盖上一个 另存为......
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你的这种说法,让我想到了top——down设计总装图容量大的原因,是因为里面保存了好多的逻辑关系在里边,而不是像分总设计的,大部分包含的是配合信息而已。
8 U/ \; v: _  z$ b2 a& V我今早也做了个小top-down,也发现了这个问题。  z( W+ z7 r: F/ Z. I" g( l
top-down,固然好,但建议还是局部用比较好
发表于 2015-5-13 13:24:38 | 显示全部楼层 来自: 中国湖北襄阳
阿帕奇 发表于 2015-5-13 10:04 static/image/common/back.gif& A% L" J$ W# X
你的这种说法,让我想到了top——down设计总装图容量大的原因,是因为里面保存了好多的逻辑关系在里边,而 ...
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阿大说到心窝里了!
, d# V% t# \$ G现在基本就是自下而上的装配,有问题,再修改零件
 楼主| 发表于 2015-5-13 19:41:11 | 显示全部楼层 来自: 中国广东广州
阿帕奇 发表于 2015-5-13 10:04 static/image/common/back.gif
( c; `& n9 R% f* w你的这种说法,让我想到了top——down设计总装图容量大的原因,是因为里面保存了好多的逻辑关系在里边,而 ...

' x, c/ H! f9 e1 U1 AOK、接受她的全部、因地制宜吧~~~
发表于 2015-5-13 19:55:42 | 显示全部楼层 来自: 中国山东莱芜
个人认为top-down用多实体会好一些,然后另存为装配体,这样文件可能会小一些
发表于 2015-5-13 20:09:48 | 显示全部楼层 来自: 中国陕西西安
top-down是有不少好处,但总装图容量太大了,机器配置不好的话直接动不了。
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