patek philippe replica 11 watch aquanaut 5167a black dial4044 vacheron constantin historiques 222 replica watch 33447 omega seamaster diver 300m co axial master chronometer 42 mm two tone black dial 1a5c60b3 replica panerai xf pam336 radiomir brown leather strap p 9998721 replica audemars piguet jf royal oak offshore ginza 7 forged carbon a31269166 patek philippe fake watch complications 5961p5875 replica watches fake vacheron constantin overseas dual time 41 mm steel hublot classic fusion replica watch womens green dial hb factory 33mm3880 fake breitling replica watches avenger b01 chronograph 44 rolex cosmograph daytona 116518ln champagne dial oysterflex yellow gold mens watch omega seamaster summer blue dial replica watch2508 omega replica watch seamaster james bond 0072043 hublot classic 33mm high end women s watch 2c30cf98 hublot ceramic carbon dial replica watch leather strap6321 rolex datejust green dial replica4936 rolex fake watches datejust womens dial gray 31mm4189 replica richard mille rm035 02 rafael nadal fc titanium case kvf skeleton dial red rubber strap miyota82151802 hublot classic fusion replica watch moissanite diamond hong kong gray dial9232 replica panerai xf pam1389 titanium black ceramic bezel rubber strap p 90105393 patek philippe 6300 403g 001 09dcca9c rolex gmt master ii iced out replica watch swiss movement amg factory 40mm9287 vacheron constantin fake watch overseas dual time 47450 white dial 9f factory 42mm5385 royal oak white dial replica7526 rolex cosmograph daytona 40mm 18k yellow gold ref 126508 0006 replica iwc portuguese tourbillon iw5463 ss ylf green dial rg markers black leather strap a989006621 richard mille rm055 385b6dd1 rolex datejust yellow gold diamond dial iced out 116624 replica9008 richard mille best replica watch rm079589 replica omega v6 constellation 35mm diamonds bezel yg dial ss bracelet a25004129 replica rolex yacht master 116622 noob white dial on ss bracelet a28246652 richard mille rm47 best replica watch black rubber strap samurai dial1995 replica richard mille rm018 hommage a boucheron ss brown skeleton dial black rubber strap 6t513332 replica cartier ronde de cartier rg white dial diamonds bezel croco strap a28925830 hublot replica 11 watch classic fusion with full diamonds womens green3600 replica watches fake vacheron constantin traditionnelle moon phase 36 mm pink gold richard mille clone watches rm88 smiley white ceramic fabic nato strap 42mm2730 omega seamaster 150m 23e5295e c6ff90ea 5815f1cc e8d813d9 34b95f5e 6c9bedc7 e6c1e346 replica watches fake vacheron constantin overseas tourbillon boutique exclusive 42 5 mm titanium audemars piguet royal oak offshore series men s watch panda plate 25940sk 335638df iwc pilot s watch men s ff7f90c8 hublot replica 11 watch 125601 ap navy replica4985 rolex replica 11 watch 59209 omega de ville prestige co axial 32mm blue dial steel diamonds fd891766 omega replica 11 watch seamaster planet ocean gmt2586 replica hublot big bang 44mm vendome real tourbillon rose gold black rubber strap5045 replica rolex day date ss diamonds bezel ice blue dial crystal markers ss bracelet a32554818 iwc big pilots heritage black dial brown leather mens watch iw501005 franck muller vanguard yachting v45 sc dt black diamond best replica watch abf4990 omega seamaster railmaster co axial master chronometer 40mm bdd81296 omega replica watch seamaster co axial aqua terra black dial 27817 replica richard mille rm018 hommage a boucheron ss brown skeleton dial black rubber strap 6t516695 fake cartier watch ballon bleu de serti vibrant watch 42 mm manufacture manual winding mechanical movement rolex platinum diamond replica9985 replica omega v6 constellation 123 20 35 yg case yellow dial6804 patek philippe best replica watch cubitus 58216081 patek philippe nautilus 5724r replica watches gray dial full function ppf factory 40mm6607 rolex cellini moonphase replica watch gold wrapped7446 replica iwc az portuguese tourbillon rg dial a989001494 rolex pave dial replica3895 replica richard mille rm035 rafael nadal forge carbon titanium case kvf skeleton dial red black rubber strap miyota82159247 best richard mille rm 11 03 replica watch for men swiss movement skeleton dial carbon fiber case replica rolex datejust ii 126333 ss yg gray dial ss yg bracelet8424 omega constellation co axial clone watch6308 cartier pasha w31074m7 ladies automatic black planet ocean grey replica1621 rolex gmt master ii bruce wayne 126710grnr replica6128 rolex daytona aet x rolex x picasso crossover charles the great white rolex daytona 116508 replica watch yellow1995 rolex daytona yellow gold meteorite black dial 116508 Are Cbd Gummies Or Tinctures Better How Long After Manufacturing Sell Cbd Gummies Cbd Gummies For Tinnitus Reviews What Does Cbd In Gummies Do Charlottes Web Cbd Gummies Is 100mg Cbd Gummy Strong Do Cbd Gummies Help With Anxiety Ciao Health Cbd Gummies Do Olly Stress Gummies Have Cbd Are Cbd Gummies Legal In North Carolina 第0654章严婷(1/2)_崇祯盛世 - 棒子小说网
电脑版
首页

搜索 繁体

第0654章严婷(1/2)

本站新(短)域名:xiguashuwu.com

第0654章 严婷

崇祯皇帝朱由检忽然想着,可惜古洛涂教授不能去大明,要不然直接将他抓去,要不了两三年,大明就称霸世界了吧!

但这是不可能的,他不能带人去!

“主轴系统主轴系统一直是机床加工jing1度的最重要环节。可以这么说,这个机床的主轴系统是采用什么方案,基本上它的加工jing1度就决定了。主轴系统一般包han:主轴、轴承(主轴就靠它支撑在机床上)、齿lun、爪盘等。前面讲过,来自齿lun箱的侧向力导致主轴弯曲(当然这个弯曲是很小的),其实还有一点当时未提,在这个弯曲导致的运转偏心中轴承非常关键,而且还有刀ju和加工件之间的作用力叠加在上面,加上轴承本shen的复杂xing,简化模型一大堆,可jing1密模型就非常非常难了,超高jing1密机床的突破也多在此。但在传统普通机床的设计中,这一块其实是比较简单的,当然jing1度嘛也就普通了。这个事实充分说明了简单的东西其实是最难的。”古洛涂教授在给检荀楼juti的分析着他刚才为什么会偏差这么大的原因。

崇祯皇帝朱由检点点tou“在这个系统中,轴承是很关键的东西,普通轴承大家都见过,但jing1密轴承就不一定了解了。相关人士肯定知dao轴承的分级,高速高jing1度的轴承是很难zuo的,曾经有俄国的无畏舰就因炮口座圈的轴承无法制造而在一战间一直呆在船台上。轴承在现代社会中相当重要。”

古洛涂教授有些好笑,很是欣赏的看着检荀楼,似乎找到了一个小知音一般。觉得跟检荀楼说话很有兴趣。“你不但聪明肯学。还有些历史知识呢?刚才你说的轴承是一个方面,还有刀ju系统!刀ju在机床中也很重要,刀ju受力后变形,刀尖是否还在对着加工件的旋转中心呢?刀ju的颤动对加工jing1度的影响,刀ju的磨损情况研究及对加工jing1度的影响,不同材料的刀ju会如何。刀ju系统的运动是靠丝杆来实现。如果丝杆jing1度不高,运动就不平稳,jing1度就差。尤其在横向和纵向同时进刀时,特别忌讳这个。高jing1度的丝杆很难zuo,要求有多高呢,举个列子,加工好后要笔直的吊起来放,以防止变形,自然安装的要求也相当高。”

听古洛涂教授说到这里,崇祯皇帝朱由检忽然觉得有些悲哀,即便是他能够掌握了这些技术,但是要真的能够在大明。自己独立生产chu来他从现代带过去的那些个工ju,再要是要生产chu更高级别的工ju。自己至少得学个十年八年的吧?什么时候才可以量产啊?

古洛涂教授看见严婷和检荀楼好像都有些累了,微微的一笑“今天已经说的够多的了,任何一个学科,真的要将心沉下去,都得用个十多年的时间,世上的事情,本来就没有一蹴而就的,自己慢慢练习,不用心急,多用心去ti会,检荀楼,我很看好你的。努力吧。”

热门小说推荐

最近更新小说