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,觀察主軸的轉(zhuǎn)動(dòng)情況。 主軸準(zhǔn)停 主軸準(zhǔn)停是指主軸準(zhǔn)確停止在圓周某一角度。典型的應(yīng)用場(chǎng)合包括加工中心自動(dòng)換刀、精鏜孔等。 VMC750 主軸準(zhǔn)停使用的檢測(cè)元件是主軸電機(jī) 內(nèi)裝的帶 Z信號(hào)的傳感器,電機(jī)與主軸之間直連或者通過(guò) 1: 1 連接。調(diào)整方法如下: 1)在 MDI 方式執(zhí)行 G91G49G30Z0M19; 2)壓下急停按鈕,將刀臂電機(jī)的剎車(chē)移至剎車(chē)釋放點(diǎn),用套筒扳手將換刀臂搖至扣刀點(diǎn); 3)用手轉(zhuǎn)動(dòng)主軸,將主軸上的刀具驅(qū)動(dòng)槽與換刀臂上驅(qū)動(dòng)塊對(duì)齊; 4)依次按 [SYSTEM][診斷 ]鍵,輸入 445,按軟鍵 [SEARCH],顯示診斷畫(huà)面; 5)將系統(tǒng)診斷號(hào) 445 的值賦予系統(tǒng)參數(shù) 4077; 6)將換刀臂搖回至刀臂原點(diǎn),將剎車(chē)手動(dòng)桿恢復(fù)原位; 畢業(yè)設(shè)計(jì)設(shè)計(jì)說(shuō)明書(shū) 18 四、 總結(jié)與展望 畢業(yè)設(shè)計(jì)是 是一次 綜合性、應(yīng)用性和實(shí)踐性較強(qiáng)的設(shè)計(jì)過(guò)程 ,我們積極努力的去完成老師的分配給我們的任務(wù)。 我的畢業(yè)設(shè)計(jì)任務(wù)是: VMC750 立 式 加工中心主軸控制的設(shè)計(jì), 在 設(shè)計(jì)中 使我又一次對(duì)整個(gè)大學(xué) 三 所學(xué)過(guò)的知識(shí)進(jìn)行了總結(jié)。從方案的論證到最終的設(shè)計(jì),涉及的領(lǐng)域包括: 數(shù)控機(jī)床 , 數(shù)控機(jī)床控制技術(shù)與系統(tǒng),機(jī)械制圖,液壓與氣動(dòng)技術(shù)應(yīng)用, 專業(yè)外語(yǔ)等。 通 過(guò)大量翻閱資料, 讓我把三年所學(xué)有一個(gè)系統(tǒng)的認(rèn)識(shí)。 我深刻的認(rèn)識(shí)到,要想成為一名合格的 技術(shù) 人員只是掌握本專業(yè)的知識(shí)是遠(yuǎn)遠(yuǎn)不夠的, 我們應(yīng)該具備更多的技能 ,如應(yīng)該對(duì)計(jì)算機(jī)應(yīng)用,市場(chǎng)營(yíng)銷(xiāo),外語(yǔ)交流等各 個(gè)方面能力。 通過(guò)本文以上一系列的 計(jì)算討論 , 我們已確定了 VMC750 加工中心主軸控制的各個(gè)方面 。 本次設(shè)計(jì)得到 楊清華 老師的悉心指導(dǎo),并提出了許多寶貴建議,在此深表感謝。 由于本人的 設(shè)計(jì)能力有限、實(shí)踐經(jīng)驗(yàn)不足 及 專業(yè) 知識(shí)不足 , 本設(shè)計(jì)中錯(cuò)誤、不妥之處在所難免 , 敬請(qǐng)各位老師批評(píng)、指正。 畢業(yè)設(shè)計(jì)設(shè)計(jì)說(shuō)明書(shū) 19 致 謝 在這段時(shí)間 中,讓我學(xué)到了許多知識(shí),這次是我們?cè)趯W(xué)校的最后一次學(xué)習(xí)的機(jī)會(huì),很感謝學(xué)校和在校各位老師的幫助和支持。 現(xiàn)在我們即將踏入社會(huì),這次設(shè)計(jì)的機(jī)會(huì)對(duì)我們來(lái)說(shuō)是一次難得的機(jī)會(huì),不僅讓我們學(xué)到很多 知 識(shí),并使以前所學(xué)的知識(shí)得到了溫習(xí)。 本次設(shè)計(jì) 中 得到了 江蘇城市 職業(yè)學(xué)院 (常州) 的 楊清華 等老師的 指導(dǎo), 以及江蘇城市職業(yè) 學(xué)院 (常州) 07 級(jí) 數(shù)控設(shè)備應(yīng)用及維護(hù)專業(yè) 班同學(xué)的幫助 ,在此聲明并 予以感謝。 這次設(shè)計(jì)為我們以后踏入社會(huì)打下了基礎(chǔ),在這次設(shè)計(jì)中也很感謝所有老師對(duì)我們的幫助和所提供的所有有關(guān)資料。 畢業(yè)設(shè)計(jì)設(shè)計(jì)說(shuō)明書(shū) 20 參考文獻(xiàn) 1 龔仲華 .數(shù)控技術(shù) .北京:機(jī)械工業(yè)出版社, 2022 2 文懷興數(shù)控銑床設(shè)計(jì) .北京:化學(xué)工業(yè)出版社, 2022 3 劉建功 .SIEMENS SINUMERIK 802Se/Ce 數(shù)控系統(tǒng)培訓(xùn)教材,常州機(jī)電職業(yè)技術(shù)學(xué)院, 4 陳蔚芳,王宏濤 .機(jī)床數(shù)控技術(shù)及應(yīng)用 .北京:科學(xué)出版社, 2022 5 廉國(guó)元,加工中心設(shè)計(jì)與應(yīng)用 .北京:機(jī)械工業(yè)出版社, 1995 6 李雪梅,數(shù)控機(jī)床 .北京:電子工業(yè)出版社, 2022 7 姜德希,王正偉,劉樸等 .機(jī)床電氣線路圖冊(cè)(下冊(cè)) .第 1版 .北京:中國(guó)農(nóng)業(yè)機(jī)械出版社, 1985 8 李誠(chéng)人等 .機(jī)床計(jì)算機(jī)數(shù)控 .第 1版 .西安:西北工業(yè)大學(xué)出版社 .1988 9 《 FANUC0I數(shù)控系統(tǒng)調(diào)試說(shuō)明書(shū)》 西門(mén)子 10 《 FANUC0I數(shù)控系統(tǒng)調(diào)試說(shuō)明書(shū)》 西門(mén)子 11 《數(shù)控機(jī)床故障診斷與維修》 學(xué)院自編 劉江主編 12 《數(shù)控機(jī)床故障診斷與維修 500例》 郵電出版社 龔中華主編 13 《數(shù)控機(jī)床故障診斷與維修》 機(jī)械工業(yè)出版社 劉永久主編 ag an employment tribunal clai Emloyment tribunals sort out disagreements between employers and employees. You may need to make a claim to an employment tribunal if: you don39。t agree with the disciplinary action your employer has taken against you your employer dismisses you and you think that you have been dismissed unfairly. For more informu, take advice from one of the anisations listed under Further help. Employment tribunals are less formal than some other courts, but it is still a legal process and you will need to give evidence under an oath or affirmation. Most people find making a claim to an employment tribunal challenging. If you are thinking about making a claim to an employment tribunal, you should get help straight away from one of the anisations listed under Further help. ation about dismissal and unfair dismissal, see Dismissal. You can make a claim to an employment tribunal, even if you haven39。t appealed against the disciplinary action your employer has taken against you. However, if you win your case, the tribunal may reduce any pensation awarded to you as a result of your failure to appeal. Remember that in most cases you must make an application to an employment tribunal within three months of the date when the event you are plaining about happened. If your application is received after this time limit, the tribunal will not usually accept i. If you are worried about how the time limits apply to you If you are being represented by a solicitor at the tribunal, they may ask you to sign an agreement where you pay their fee out of your pensation if you win the case. This is known as a damagesbased agreement. In England and Wales, your solicitor can39。t charge you more than 35% of your pensation if you win the case. you39。re clear about the terms of the agreement. It might be best to get advice from an experienced adviser, for example, at a Citizens Advice Bureau. To find your nearest CAB, including those that give advice by , click on nearest CAB. 畢業(yè)設(shè)計(jì)設(shè)計(jì)說(shuō)明書(shū) 21 For more information about making a claim to an employment tribunal, see Employment tribunals. The (lack of) air up there Cay man Islandsbased Webb, the Watch m head of Fifa39。s antiracism taskforce, is in London for the Football Association39。s 150th anniversary celebrations and will attend City39。s Premier League match at Chelsea