+ N: P2 q% j# T9 C3 gIn May 2007, the crane, an older model Kodiak, was struck by lightning. Shortly after that, workers reportedly noticed daylight through the cab and boom's supporting turntable. Further inspection revealed a two-foot crack in the slewing ring bearing. At that point, turntable and slewing bearing were removed for repair. Another turntable and bearing were installed temporarily, so the crane could remain in service. 9 X7 H. \7 Z4 C% ], ~% r ; ?+ k; d" h4 r, W6 C# l& r2 MAvon Bearings (USA; now a division of Kaydon Corp., USA) bid on the repair, quoting just over $120,000 and 28 weeks lead time. Avon's bid was rejected. ) R6 x) ]1 D; s& g6 d
6 p& L" ~6 {1 C& p" NRTR Bearing Company Ltd., a slewing ring bearing manufacturer based in Luoyang, China, bid $20,000 with a much shorter lead time. ) v$ B' D5 {) i - J* i: {: C3 Z( Q8 _0 USeveral emails have now been made public, indicating even before the contract was awarded, RTR told New York Crane it was uncertain if it could make the repairs properly. An RTR representative emailed New York Crane on June 7, 2007, saying: "And honest speaking we dont have confidence on this welding." - C0 B, q, l' K" W, @1 P7 X
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New York Crane awarded the bearing repair contract to RTR anyway. 7 t3 T! |8 N8 n) \& n0 \- _- S2 z- F& e. o
The bearing was removed from the crane, shipped to China, repaired by RTR, and shipped back to New Jersey. There, it was assembled and additional repairs were made to the turntable assembly. Finally, the crane's temporary bearing and turntable assembly was removed and the repaired assembly put in place. " z" U9 J" ~7 \+ [
+ ?5 F3 t8 Q6 j. }# d% Y- ]The crane's repairs were approved by Michael Carbone, chief inspector of cranes and derricks for the City of New York. Mr. Carbone was a former employee of New York Crane and Equipment. / z5 v; b2 \% R) q" l S6 v
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This was the second deadly collapse in 2-1/2 weeks of cranes owned by New York Crane and Equipment, safety inspections and installations approved by Mr. Carbone. The first crane collapse killed seven people. Mr. Carbone resigned in July 2008, a month after this collapse. % @" [" n" ^ _; _7 m ' `3 c- C7 @# W! S$ K1 kIn addition to the failed slewing ring bearing, the possibility the crane was pressed into service beyond its service life has also become a question. ; {7 t6 E1 L* R8 E9 N- U
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by Bruce A. Carr - d3 B# G+ v/ afrom individual research, ' @5 T* E: g, g5 @1 a. o) ktips and commercial sources.2 p* h( U+ j+ n+ Z% M5 S
Unauthorized reproduction is prohibited. ( l7 U, d9 P9 C9 y g& C3 `
: y- d7 f X) X, t0 M是這個(gè)公司嗎？ 7 M V( k% Y/ ?9 w4 D; T" d0 c/ B s. v& M7 ]/ d http://www.rtr-bearing.com/ 1 `% P% b' ^0 \3 p& y9 o# [+ S0 K+ L
潤(rùn)寧軸承有限公司 （RTR Bearing Company Limited）成立于1998年6月26日。公司下設(shè)兩個(gè)生產(chǎn)分廠和一個(gè)進(jìn)出口部，現(xiàn)有員工99人。工廠位于洛陽(yáng)市老城區(qū)大路口，占地面積6000平方米，擁有資產(chǎn)3000萬(wàn)，能夠按照國(guó)際標(biāo)準(zhǔn)和國(guó)家最新技術(shù)標(biāo)準(zhǔn)，生產(chǎn)外徑100MM至5000MM的回轉(zhuǎn)支撐軸承，還能根據(jù)用戶需求設(shè)計(jì)、研制開(kāi)發(fā)各種非標(biāo)準(zhǔn)和特殊結(jié)構(gòu)回轉(zhuǎn)支撐軸承。進(jìn)出口部位于中國(guó)東北重要港口城市——大連。公司始終遵循管理求嚴(yán)、技術(shù)求新、質(zhì)量求精、工作求實(shí)、服務(wù)求誠(chéng)、經(jīng)營(yíng)求真的經(jīng)營(yíng)理念，多年來(lái)得到了國(guó)內(nèi)外客戶的大力支持。公司主要業(yè)務(wù)是出口各類(lèi)機(jī)械類(lèi)產(chǎn)品，目前主要產(chǎn)品是軸承。主要出口國(guó)家為歐美國(guó)家，產(chǎn)品已遍布世界各地，并受到國(guó)外客戶的廣泛贊譽(yù)。目前公司銷(xiāo)售部設(shè)在大連，生產(chǎn)及產(chǎn)品質(zhì)量檢測(cè)中心設(shè)在洛陽(yáng)(國(guó)內(nèi)軸承生產(chǎn)基地)。產(chǎn)品廣泛應(yīng)用于各類(lèi)工程機(jī)械，起重運(yùn)輸機(jī)械，采掘機(jī)械，建筑工程機(jī)械，港口機(jī)械和導(dǎo)彈發(fā)射架等大型設(shè)備上，遍布于工程，礦山，化工，石油，冶金，煤炭，港口，船舶及儀器儀表等行業(yè)。 ( R. }% X& w5 O7 S( y 4 N* X! H* d4 t8 p: e 公司雖成立時(shí)間不長(zhǎng)，卻有旺盛的生命力，借助國(guó)際買(mǎi)家在國(guó)內(nèi)采購(gòu)量逐漸增大的大好環(huán)境下，我們以創(chuàng)新的眼光，優(yōu)質(zhì)的服務(wù)贏得了眾多客戶。 / m3 d( _2 a H; p# p' ]8 g1 x; m7 F( u6 m/ B" w+ X
公司未來(lái)的發(fā)展目標(biāo)要依靠良好的國(guó)際環(huán)境，充分利用國(guó)內(nèi)優(yōu)質(zhì)資源，向國(guó)際標(biāo)準(zhǔn)靠攏，使RTR這個(gè)品牌成為中國(guó)優(yōu)質(zhì)回轉(zhuǎn)支撐的象征。作者: 伊凡 時(shí)間: 2009-5-27 13:12
樓上翻譯的非常好,代大家感謝您啦!作者: 伊凡 時(shí)間: 2009-5-27 13:27
Hello Mr. Ibrahim, 5 f+ A" f( B- V& [/ k6 b& D 2 s2 W1 N) d/ LYes, RTR has several locations. We just listed2 \! w4 c$ v% b! \& Q
their primary manufacturing location. R8 i* C9 T' o& U% C 4 ~1 R0 [9 s+ C3 `7 K
It is unfortunate that many people outside of " i" Z$ p5 a, N* U6 b4 ]1 J4 xmanufacturing do not fully appreciate how difficult + n: l! O) v7 l1 Nwelding on specialty metals can be.0 k( m. u4 A+ X
& x7 m' i6 a* s0 }( D: S$ E% U0 KReplacing the bearing would have been a better 0 D. ^9 b5 X% Q; V' n! C, q1 [idea, but since it was damaged by lightning, no 1 `1 C5 q8 E# P+ l* n0 Einsurance would be willing to pay for it, I'm sure.( x8 |4 n/ g" d* }) ~0 o