英文三坐標(biāo)論壇的一點(diǎn)翻譯

吟嘯徐行

最近慢慢翻譯英文三坐標(biāo)論壇的帖子,看看外國(guó)人特別是北美人如何看待不同的三坐標(biāo)以及他們的水平,需求

剛開始翻譯,手有點(diǎn)生,主要是意譯.如果寫的不明白還請(qǐng)眾兄弟們見諒
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, o* |0 ^, d, }' w7 h, X[ 本帖最后由 吟嘯徐行 于 2009-3-7 20:19 編輯 ]

吟嘯徐行

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- @& @* p* A: K$ d" k% A7 x. J  d8 RCMM 專業(yè)人士的網(wǎng)上交流論壇

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有關(guān) CMM 論壇： 北美最好的論壇,它專注服務(wù)于萬(wàn)名CMM 程序師和專業(yè)使用者,。

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+ v$ j( q) \$ W& X8 `' R硬件－ CMM 和便攜式的－ 存在很多橋式和便攜式牌子分區(qū)。分區(qū)將討論 CMM 硬件,、服務(wù),與之相關(guān)的費(fèi)用和經(jīng)驗(yàn),。

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1 \, a% }  C8 n! M6 {- ^& m4 x) \軟件－這個(gè)分區(qū)存在主流的CMM 軟件。分區(qū)目的為交換主意,，經(jīng)驗(yàn)， 疑問和相關(guān)的答案

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4 _% r  g; \0 H: b. \1 ?SPC and GD&T - Forums to share your issues, knowledge and experiences in the areas of SPC and GD&T.
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吟嘯徐行

Life Expectancy of a new PH10M and a refurbished one
新的和修復(fù)后的 PH10 M 的平均壽命?

What is it? I replaced my PH10M with a RBE 3 years ago. Now I need to replace it again. What gives?
什么,？ 我 3 年前從 RBE 更換我的 PH10 M 。 現(xiàn)在我需要再次更換它,。 什么原因,？

couple factors influence the life expectancy of a PH9/10 probe head.

, b  W8 G: o5 @$ o) `. X% |: hCrashes, probe indexing frequency and the power being supplied to the controller. I have seen some PH9's last a good 10 years+ and others go 3 years because they get abused. Are you sure it's the probe head that is buggered and not the internal head cable in your machine?

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一些因素影響 PH9/ph10 測(cè)頭的平均壽命。

, E! P. g$ H! w/ x# b; u撞擊,，使用頻率和測(cè)量時(shí)力度,。 我曾經(jīng)見到一些 PH9 正常工作10 多年,而另外一些不足3年因?yàn)樗麄儧]有被正確使用你確定它是測(cè)頭故障而不是機(jī)器內(nèi)部的電纜？
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Yes, it's the head. I took the head off the column, checked all my connections. What was happening, at 90,0, while measuring as point in the -Y direction, the head would unseat. At first I thought it was the TP200 or module. I put in another TP200 and module, and it unseated again at 90,0. This machine has been running roughly 18 hours a day measuring the same part. It has not seen a crash ever (to the best of my knowledge).
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/ e" V& r, ]$ S# o' a# pJust got an RBE this morning. It now works as it should.

; ~* }6 r( C# }( U9 `是的,，是測(cè)頭,。 我從立柱上拆掉了測(cè)頭，檢查我所有的連接,。 故障狀態(tài)是:在 90,0角度時(shí), 在－Y方向測(cè)量點(diǎn)的時(shí)候,，測(cè)頭不能抬起。 起先,，我認(rèn)為故障的是TP200 或模塊,。我換上另外的TP200 和模塊，在 90,0角度時(shí),它同樣不能就位. 這部機(jī)器一天大概18小時(shí)測(cè)量相同的零件,。 它還不有發(fā)生一次的猛烈撞擊,。（據(jù)我說知）
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; e# E7 _, S: H7 K/ Q+ m僅僅是今天早晨換了一個(gè)測(cè)頭從RBE.它現(xiàn)在正常工作。

* H0 V: A/ T; A7 \& }  W/ a# y[ 本帖最后由 吟嘯徐行 于 2009-3-9 20:19 編輯 ]

吟嘯徐行

從測(cè)頭這塊開始翻譯,爭(zhēng)取每天翻譯一點(diǎn)........
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I'm looking into the Renishaw SP25. I understand this has good qualities when it comes to scanning. I do a fair amount of scanning. However, I'm not sure about the calibration cycle, and time. I'm referring to the time required to qualify a styli change, and new A-B angles.

I'd like hear from anyone already using the SP25, on any system.

我正在考察 Renishaw SP25 ,。 我知道當(dāng)掃描的時(shí)候它有很好的特征,。 我要做一定量的掃描。 然而,，我不能確認(rèn)校準(zhǔn)周期和時(shí)間,。 我指的校準(zhǔn)周期是探針值變化和使用新的AB角度。

, N' |. b% Y$ T9 Y我想要聽些已經(jīng)使用 SP25的人意見, 不管任何系統(tǒng)上
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  z: u4 ~. u. @2 }  D% N/ y+ m/ {( h: kYou might refer to this. It is pretty time consuming. Maybe 10-20 times longer that a traditional trigger probe?? Just a guess on that.
5 _, R/ F& `2 t& o, Whttp://pcdmisforum.com/showpost.php?p=19575&postcount=1
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1 G8 s5 i- X5 S5 v2 f8 [1 |你可能會(huì)涉及這,。時(shí)間是相當(dāng)長(zhǎng)�,？赡芤粋�(gè)傳統(tǒng)的接觸測(cè)頭的10-20倍長(zhǎng),？只是在那上的一個(gè)猜測(cè),。
http://pcdmisforum.com/showpost.php?p=19575&postcount=1

' C/ N. y& K9 b: u/ hYes the calibration of the SP25M is time consuming, about 4 mins per probe due to the fact it repeats the routine twice to determine the scanning probe factors. I am very impressed with the probes accuracy on my Mitutoyo Crysta.

' I, Q/ Y5 R$ x; u, H, @4 f是的 SP25 M 的校準(zhǔn)是非常耗費(fèi)時(shí)間的，大約 4 分鐘每一探頭角度,事實(shí)上它重復(fù)常規(guī)的兩次來確定掃描探針.在Mitutoyo Crysta 上其精度給我留下深刻的印象,。

0 |+ e) `1 T( x2 [I am using SP25M with Mcosmos, the accuracy is very good but the time difference is as previously suggested - 15/20 seconds per probe position touch trigger, 4:30 - 5 mins per position scanning factors.
3 n& d; P" q  ?/ b7 D/ N0 l3 O3 S5 EThe scanning times can be changed but the setting used depends on the accuracy req'd

However,I do not find the calibration time a problem as I use the scheduler in the software to run the program lights out during sunday.
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The cmm should be verified in accordance with the following spec'n :-
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( F4 Y$ v* \# {7 \  n# f$ m"ISO 10360-4:2000
5 O6 M, A$ @0 V1 t: Y8 Q' _Acceptance and reverification tests for coordinate measuring machines Part 4: CMMs used in scanning measuring mode"

我正在使用SP25M和Mcosmos(三豐軟件) ,，精度非常好，但是時(shí)間不同意上面兩位:15/20倍常規(guī)接觸測(cè)頭,4-5分一個(gè)測(cè)頭角度 ,。掃描時(shí)間是可以改變的,，但是使用設(shè)定取決于精度

! }& {' M* n: k) v8 P! S1 }然而，我并沒發(fā)現(xiàn)校準(zhǔn)時(shí)間是一個(gè)問題,我使用軟件中的程序直到周末關(guān)燈為止,。
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cmm 應(yīng)該符合下列的標(biāo)準(zhǔn)
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三坐標(biāo)認(rèn)可和校驗(yàn)測(cè)試4: CMMs中使用掃描測(cè)頭”
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9 b9 h- K' u# n; n) ~With the latest release of the Renishaw scanning calibration DLL, Renishaw have reduced the scanning probe calibration times by 35% Using a calibration speed of 20mm/sec, it is now possible to calibrate and qualify a tip in 2 minutes.
7 w( D$ o, _& b6 y! EThe added benifits of an SP25 are probe lengths of 400mm and the capacity to collect so much more information about the part's shape as well as size.

Renishaw掃描校準(zhǔn)最新的新聞鏈接,， Renishaw在使用校準(zhǔn)速度在20mm／sec的前提下,已經(jīng)減少校準(zhǔn)時(shí)間35%,比較可能的是校準(zhǔn)同時(shí)通過一個(gè)角度需要2分鐘
2 m6 w3 u! ?5 E& A( k6 t+ FSP25 的附加桿最大為400 毫米和更多的能力收集零件外形。
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決定性的
5 A- ^5 \0 |  U; ]2 m( M9 {If you are worried about the time it takes to calibrate the probes the easiest thing to do is generate a probe cal routine in MCOSMOS and run on the weekend. It's easy!

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如果你擔(dān)憂校準(zhǔn)測(cè)頭的時(shí)間,最簡(jiǎn)單的就是在周末在MCOSMOS中調(diào)用測(cè)頭并運(yùn)行.非常容易,！

國(guó)際化

兄弟辛苦了,，和你不一樣，我喜歡去http://www.practicalmachinist.co ... 6413&i=66568274

明天更好

前輩,，辛苦了~

吟嘯徐行

does probe ball dia affects the measurent?because i have a probe with 2 mm dia and its giving 3 microns error but as i use the 6 mm ball dia probe , the error goes to 10 microns (its stem length is also bigger than the previous probe).
billabong
- T% S; f/ w# _標(biāo)準(zhǔn)球直徑是否影響測(cè)量,？因?yàn)槲矣?毫米直徑產(chǎn)生了3微米誤差.但是當(dāng)我使用6毫米球形直徑探針，誤差達(dá)到了10個(gè)微米,。（探針長(zhǎng)度比先前大)
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, Q' y4 _- h: d% _3 H: n$ |4 SSome things to consider here.
Every probe ball ( stylus ) has some slight deviation from the nominal size.
) }% l* g" W9 {There is also some pre-travel before the touch trigger probe sends the signal to the controller. How much depends on which touch trigger probe you have (
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Renishaw TP2 , TP 20 , TP200 etc ).
As long as you are calibrating them against a CALIBRATED masterball ,
5 X  ~" p3 e) }. H  r6 VAND you have input the CALIBRATED masterball result ( from the certificate )
into your measuring software, you should not have to worry about a difference
: K: C% o; N$ s6 t7 D6 K5 wof 7 microns between styli.
Remembering your attempts to calibrate the whole machine with gauge blocks,
* M" a- a  [. _$ k$ }( \$ k" bI'd be surprised if you have the masterball calibrated. If you do, I stand corrected.

在這里需要考慮部分因素
: g# E9 w4 J' [/ [7 B5 N$ q; M每個(gè)實(shí)際探針與理論值都有一些微小的偏離,。
探針將觸發(fā)信號(hào)送到控制器之前，也有一些預(yù)行程,。 行程的多少取決于你使用的測(cè)頭.（Renishaw TP2,TP20,TP200 及其他）
( c7 W( ^& q. ?: m* Y( {: G只要你用標(biāo)準(zhǔn)器標(biāo)準(zhǔn)球來校正他們 ,，
9 z5 D0 N0 |$ B. @. k輸入標(biāo)準(zhǔn)球的值（從證書）
打開你的測(cè)量軟件，你沒必要擔(dān)憂探針偏差7個(gè)微米,。
記得嘗試用標(biāo)準(zhǔn)度塊校正整個(gè)的機(jī)器,，
如果你校正標(biāo)準(zhǔn)球,我將會(huì)感到驚訝。 如果你做了,，我認(rèn)錯(cuò),。

You need to get the basics of your machine correct 1st before questioning
8 f' h' n. z/ R/ G3 i/ C% @9 @& lany error or any accuracy issues you have.
9 q# B+ j) e2 S4 c4 ~5 O詢問之前你需要第一時(shí)間得到你的機(jī)器的偏差
# @0 m5 k: l5 `4 O9 X無論任何錯(cuò)誤或任何精度偏差。

; Z- E9 b+ o* CYes! the diameter of the tip ball gives an error which is known as "cosine error" see attached file.
I don't know what you are measuring but if you check a gauge block with tip dia. 2/6 it should NOT give you that difference in error!
Click here for Tip_points.pdf

0 I/ S/ P1 r) [; |, q7 W是的,探針標(biāo)準(zhǔn)球給出一個(gè)誤差以"cosine error "
我不知道你是怎么測(cè)量的,，但是如果你用探針檢查一個(gè)量塊.但它不能給你偏差的不同,！
點(diǎn)擊這 Tip_points.pdf

* m) T/ v2 W6 _1 ZIf you're trying to check a 3D cone as a 2D dia at a certain Z level then, yes probe diameter will affect accuracy.
3 P' E. n/ J; }1 l$ fIf you're look at roundness of a known round item, say a ring gage, then the size of the tip doesn't matter except that larger diameters tend to not be as round as smaller diameters but this is generally a relatively small difference.
7 U9 u6 R  d8 ?: u9 mThe biggest thing that affects accuracy/repeatability/tri-lobing is the length of the stylus. It's much more complicated but generally speaking, if a 1" long stylus results in .0003 of tri-lobing, a 2" long stylus will be around .0006. The same basic concept applies to articulating probe heads. The longer the distance from the fulcrum to the prope tip, the more variance you will have when indexing the probe head. There are many other factors involved but the probe
) f( X" C3 Y6 b/ h# }# o# o$ \length is by far the largest contributor. That is, assuming that cleanliness is under control.

5 K8 v) U. @  q9 e( s2 {% A$ }) @如果你嘗試在其中特定z值平面內(nèi)用一個(gè)2維測(cè)頭測(cè)量一個(gè)3D立體圓錐體.那么探針直徑將會(huì)影響精度。
如果你是檢查已知項(xiàng)目的圓,，例如環(huán)規(guī),，那么與探針的大小是沒有關(guān)系的.除了一點(diǎn)小的不同,結(jié)果中較大的直徑不容易像較小的直徑一樣的圓。
對(duì)精度/重復(fù)度/偏差影響的最大的是探針的長(zhǎng)度.這是更多復(fù)雜的,但一般來說,，如果這 1" 長(zhǎng)的探針誤差為.0003偏差, 2" 長(zhǎng)的探針將會(huì)是.0006 左右. 相同道理適用于關(guān)節(jié)臂測(cè)頭,。 從支點(diǎn)到探針頂端的距離越長(zhǎng)，你標(biāo)定的測(cè)頭偏差越多,。還牽涉許多其他的因素,，但是探針長(zhǎng)度是顯然最大的因素,。 如果其他因素可控的話

吟嘯徐行

未完待續(xù)
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6 ^% k5 p! F; ~* v' ^回國(guó)際化:發(fā)展方向不同嘛,你所看論壇人氣明顯還是比較旺的

finleyfeng

學(xué)英文 又能長(zhǎng)知識(shí) 不錯(cuò)

國(guó)際化

未完待續(xù)
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回國(guó)際化:發(fā)展方向不同嘛,你所看論壇人氣明顯還是比較旺的
5 y# T+ R) n; j- l2 D吟嘯徐行 發(fā)表于 2009-3-11 23:22

上次，他們請(qǐng)我寫一份意見建議,，我把這個(gè)網(wǎng)址(中國(guó)機(jī)械社區(qū)0提交給他們,，讓美國(guó)人看看我們的論壇是多么的強(qiáng)大