斜齒輪軸零件的機械加工工藝規(guī)程及專用夾具設計
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畢業(yè)設計(論文)文獻綜述
題目:齒輪軸零件的機械加工工藝規(guī)程及專用夾具設計
課 題 類 別: 設計 □ 論文 □
學 生 姓 名: XXX
學 號:XXX
班 級:機電XXX班
專業(yè)(全稱):機械設計制造及其自動化
指 導 教 師:XXXX
2015年3月
齒輪軸零件的機械加工工藝規(guī)程及專用夾具設計
1.制定工藝規(guī)程的研究途徑和可行性分析
毛坯的選擇:
根據(jù)生產(chǎn)綱領和零件結(jié)構(gòu)選擇毛坯,毛坯的類型一般在零件圖上已有規(guī)定。對于鑄件和鍛件應了解其分模面、澆口、冒口位置和拔模率,以便在選擇定位基準和計算加工余量時有所考慮。如果毛坯是棒料或型材,則按其標準確定尺寸規(guī)格,并決定每批加工件數(shù)。
毛坯的種類和其質(zhì)量對機械加工的質(zhì)量有密切的關系。同時對提高勞動生產(chǎn)率、節(jié)約材料、降低成本有很大的影響。擬訂工藝路線:
表示零件的加工順序及加工方法,分出工序,安裝或工位及工步等。并選擇各工序所使用的機床型號、刀具、夾具及量具等。擬訂工藝路線從實際出發(fā),理論聯(lián)系實際和工人結(jié)合起來。常常需要提出幾個方案,進行分析比較后再確定。
計算切削用量、加工余量及工時定額:
查閱《切削用量手冊》等資料并進行計算確定。目前,對單件小批量生產(chǎn)不規(guī)定切削用量,而是由操作工人根據(jù)經(jīng)驗自行選定,但對于自動線和流水線,為保證生產(chǎn)的節(jié)拍,必須規(guī)定切削用量,并不能隨意改變。計算加工余量、工序尺寸及公差是要控制各工序的加工質(zhì)量以保證最終加工質(zhì)量。工時定額一般按各工廠的實際經(jīng)驗積累起來的統(tǒng)計資料來估算。隨著生產(chǎn)的發(fā)展,工藝的改進,新工藝,新技術(shù)的不斷出現(xiàn),工時定額應進行相應的修改。
對機械加工工藝規(guī)程基本要求可歸結(jié)為質(zhì)量、生產(chǎn)率和經(jīng)濟性。雖然有時互相矛盾,但只要把它們處理好,就會成為一個統(tǒng)一體。在三個要求中,質(zhì)量是首要的。質(zhì)量表現(xiàn)在機械產(chǎn)品的各項技術(shù)性能指標,質(zhì)量不能保證,根本談不上數(shù)量;質(zhì)量和生產(chǎn)率之間是密切聯(lián)系的,在保證質(zhì)量的前提下,應該不斷地最大限度地提高生產(chǎn)率,滿足生產(chǎn)量的要求。如果兩者矛盾,則生產(chǎn)率要服從于質(zhì)量,應在保證質(zhì)量的前提下解決生產(chǎn)率問題。在保證質(zhì)量的前提下,應盡可能的節(jié)約耗費,減少投資,降低制造成本,這就是經(jīng)濟性。
因此,齒輪軸的工藝規(guī)程研究途徑應該體現(xiàn)質(zhì)量、生產(chǎn)率和經(jīng)濟性的統(tǒng)一,達到經(jīng)濟合理及可行的最優(yōu)方案。
夾具設計的研究途徑和可行性分析
齒輪軸、銑、鉆等工序使用的專用夾具,此類夾具的特點是針對性強、結(jié)構(gòu)緊湊、操作簡便、生產(chǎn)率高。
夾具設計最關鍵是要求對工件定位正確,且滿足定位精度要求。為了解決此問題,首先得了解影響定位精度的因素。然后采取措施解決具體的問題。如定位基準與定位元件的配合狀況和影響定位精度,那么可以提高夾具的制造精度,減小配合間隙就能提高夾具在機床上的定位精度。
除此之外,選擇夾具的類型與結(jié)構(gòu)型式必須與零件生產(chǎn)批量大小相適應,夾具結(jié)構(gòu)與零部件應具有足夠的剛度和強度,從而保證夾具操作方便、夾緊可靠、使用安全、并有合理的裝卸空間。
2.課題研究的主要方法
(1) 搜集資料,了解并掌握齒輪軸加工工藝結(jié)構(gòu)和工作原理。
(2) 確定設計大體思路,撰寫開題報告,要求完成具體的設計內(nèi)容及計算。
(3) 根據(jù)設計任務書的要求,熟悉相關軟件AutoCAD,確定設計方法及設計要點。按要求完成完整的設計計劃及預期達到的結(jié)果,進行相關設計及計算。
(4) 對所設計夾具設計相關校核,準備相關資料。
對設計說明書初稿進行相關格式修改,對設計圖紙并進行修改。
3.研究過程中的主要問題和解決的方法
1、研究內(nèi)容
(1)查閱文獻資料,詳細研究零件圖,了解零件的結(jié)構(gòu)。
(2)根據(jù)零件的結(jié)構(gòu)選取毛坯的種類和制造方法毛坯余量的選擇。
(3)制定工藝規(guī)程和可行性分析。
(4)選擇粗精基準,計算和選擇金屬切削機床的技術(shù)參數(shù)。
(5)根據(jù)齒輪軸的結(jié)構(gòu)設計工序過程中的專用夾具。
2、本課題可能遇到的問題及其研究方法
(1)在剛開始的時候工序的劃分以及定位基準會比較難選擇,所以就在過程中腰認真分析零件圖,了解齒輪軸的結(jié)構(gòu)特點及相關的技術(shù)要求而加工工序要根據(jù)生產(chǎn)類型,零件的結(jié)構(gòu)來認真分析。
(2)在夾具設計的時候也可能遇到問題,比如工件的定位是否正確,定位精度是否滿足要求等等,所以要調(diào)查現(xiàn)階段國內(nèi)外比較先進的齒輪軸結(jié)構(gòu),從整體上把握設計的方向,了解齒輪軸的加工工藝規(guī)程及夾具的設計原理。
(3)通過大量的資料,研究零件的結(jié)構(gòu),選擇合適的加工方法,及選擇合理的基準和工序安排。
(4)熟悉夾具的結(jié)構(gòu)選擇合理的機床及裝夾設備,確定加工余量和工序,進行精細的準確的尺寸計算,和時間的估算。
3、課題預期結(jié)果
(1)了解了齒輪軸的作用,完成對零件的結(jié)構(gòu)分析,并制作出合理的夾具及裝夾方案
(2)在保證經(jīng)濟和尺寸精度的要求下制定出合理的加工方法及加工工序。
(3)在老師的要求下及自己的計劃內(nèi)完成各項任務。
4、完成課題所需的工作條件
在前期得做好各項準備,要查閱大量的文獻了解齒輪軸的結(jié)構(gòu),并在CAD,上畫出這個零件,認真去了解他的結(jié)構(gòu),這當中就需要一些工具書比如機械加工工藝手冊,夾具設計圖冊,刀具設計手冊以及有關教材及參考資料,最后如果有需要還可以選擇去工廠調(diào)研,以上條件具備完成本課題所需的工作條件。
4.課題研究所需的參考文獻
[1]孟少農(nóng)主編.機械加工工藝手冊.機械工業(yè)出版社,1991,169–182.
[2]李益民主編.機械制造工藝設計簡明手冊.機械工業(yè)出版社,1993,178–195.
[3] J.-Y. Jung, R.S. Ahluwalia, Feature-based noncutting tool path selection, J. Manufacturing System 13 (3)(1994) 165–176.
[4] Hockenberger, A systems approach to fixture planning and design, Int. J. Advanced Manufacturing Technol. 10 (1995) 169–182.
[5]黃如林主編.切削加工簡明實用手冊.化學工業(yè)出版社,2004 169–182.
[6]薛源順主編.機床夾具設計.機械工業(yè)出版社,1995 169–182.
[7]崇 凱主編.機械制造技術(shù)基礎課程設計指南. 化學工業(yè)出版社,2006.12
[8]陳于萍,高曉康主編.互換性與測量技術(shù).北京高等教育出版社,2005. 169–182.
[9]司乃鈞,許德珠主編.熱加工工藝基礎. 高等教育出版社,1991 169–182.
[10]張龍勛主編.機械制造工藝學課程設計指導及習題.機械工業(yè)出版社,1999.11 169–182.
[11]艾興,肖詩綱主編.切削用量簡明手冊.機械工業(yè)出版社,2002 [12] Handbook of Machine Tools Manfred weck[J] ,2005 169–182.
[13]Boyes W E. Jigs and Fixture .America,SME[J],2006 169–182.
3
畢業(yè)設計(論文)任務書
城南 學院 機械制造及自動化 專業(yè) 11級機電 班
題 目 齒輪軸零件的機械加工工藝規(guī)程及專用夾具設計
任務起止日期: 2015年 3 月 16日~2015 年 6 月 19 日
學 生 姓 名 楊宇佳 學 號 201179250108
指 導 教 師 李旭宇
教研室主任 年 月 日審查
院 長 年 月 日批準
一、畢業(yè)設計(論文)任務
課題內(nèi)容:
根據(jù)齒輪軸零件的零件圖,分析零件的用途和特點,選擇合適的加工設備,編制零件的機械加工工藝規(guī)程;針對某一工序設計一套專用夾具;通過設計,了解加工零件所選用的設備、工裝及機床的切削運動;
課題任務要求:
1)零件生產(chǎn)綱領:10000件/年
2)工藝參數(shù)的確定應有可靠的依據(jù),說清確定參數(shù)的方法,使用資料的來源,參數(shù)修正的原因等;
3)說明書應使用工程技術(shù)語言、國家標準規(guī)定的名詞術(shù)語;
3)經(jīng)濟性分析應以分析討論為主,計算步驟可以簡化;
4)繪制零件圖(一張);繪制零件的機械加工工藝過程綜合卡片(一張)和工序卡片一套;
5)專用夾具設計(一套);繪制專用夾具的裝配圖和主要零件圖;
。
課題完成后應提交的資料(或圖表、設計圖紙)
(1) 開題報告
(2) 零件圖(一張);零件的機械加工工藝過程綜合卡片(一張)和工序卡片一套
(3) 專用夾具的裝配圖和主要零件圖。
(4) 設計說明書
(5) 外文翻譯的原文和譯文
(6) 上述資料的電子文檔
主要參考文獻與外文翻譯文件(由指導教師選定)
同組設計者
注:1. 此任務書由指導教師填寫。如不夠填寫,可另加頁。
2. 此任務書最遲必須在畢業(yè)設計(論文)開始前一周下達給學生。
3. 此任務書可從教務處網(wǎng)頁表格下載區(qū)下載
二、畢業(yè)設計(論文)工作進度計劃表
序號
畢 業(yè) 設 計(論 文)工 作 任 務
工 作 進 度 日 程 安 排
周次
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1
文獻閱讀,開題報告
-
-
-
2
零件分析
-
-
-
3
工藝規(guī)程編制
-
-
-
4
夾具設計
-
-
-
-
-
-
5
畢業(yè)設計說明書的撰寫
-
-
-
-
6
答辯
-
7
8
9
10
注:1. 此表由指導教師填寫;
2. 此表每個學生人手一份,作為畢業(yè)設計(論文)檢查工作進度之依據(jù);
3. 進度安排請用“一”在相應位置畫出。
三、學生完成畢業(yè)設計(論文)階段任務情況檢查表
時間
第 一 階 段
第 二 階 段
第 三 階 段
內(nèi)容
組織紀律
完成任務情況
組織紀律
完成任務情況
組織紀律
完成任務情況
檢
查
記
錄
教師
簽字
簽字 日期
簽字 日期
簽字 日期
注:1. 此表應由指導教師認真填寫。階段分布由各學院自行決定。
2. “組織紀律”一檔應按《長沙理工大學學生學籍管理實施辦法》精神,根據(jù)學生具體執(zhí)行情況,如實填寫。
3. “完成任務情況”一檔應按學生是否按進度保質(zhì)保量完成任務的情況填寫。包括優(yōu)點,存在的問題與建議
4. 對違紀和不能按時完成任務者,指導教師可根據(jù)情節(jié)輕重對該生提出忠告并督促其完成。
四、學生畢業(yè)設計(論文)裝袋要求:
1. 畢業(yè)設計(論文)按以下排列順序印刷與裝訂成一本(撰寫規(guī)范見教務處網(wǎng)頁)。
(1) 封面 (2) 扉 頁
(3) 畢業(yè)設計(論文)任務書 (4) 中文摘要
(5) 英文摘要 (6) 目錄
(7) 正文 (8) 參考文獻
(9) 致謝 (10) 附錄(公式的推演、圖表、程序等)
(11) 附件1:開題報告(文獻綜述) (12) 附件2:譯文及原文影印件
2. 需單獨裝訂的圖紙(設計類)按順序裝訂成一本。
3. 修改稿(經(jīng)、管、文法類專業(yè))按順序裝訂成一本。
4.《畢業(yè)設計(論文)成績評定冊》一份。
5.論文電子文檔[由各學院收集保存]。
學生送交全部文件日期
學生(簽名)
指導教師驗收(簽名)
Mechanical Parts Processing Technology and Fixture DesignPick to : the machining parts of the structure and process analysis, identified the machine-finishing craft route, fixture in the mechanical processing of the status and importance, as well as the fixture design. With the increasingly development of scientific progress and the adjustment of national industry policy, project machinery industry already became no policy barriers of perfectly competitive industryKey words: technical background / development / process / positioning scheme1 Mechanical Processing Historical Background and Its SignificanceMachinery manufacturing industry is an old and eternal industry full of vitality. With the development of modern industry, the mechanical product of the increasingly high demand, machinery manufacturing technology are developing rapidly. Since the founding of new China, our countrys manufacturing technology and manufacturing industry to obtain the considerable development, a considerable size and technical basis of mechanical industry system is formed basically. Years of reform and opening up, Chinas manufacturing industry to make full use of domestic and foreign two aspects of technological resources, there are plans to promote the technical transformation of enterprises, guide enterprises to take the road to rely on progress of science and technology, manufacturing technology, product quality and level and the economic benefit produced marked change, in order to promote the development of the national economy has made great contribution. Although our country manufacturing industry comprehensive technical level has been greatly improved, but compared with developed country, still have level sex difference. Enter the twenty-first Century, the economic development of our country s leading industry still is the manufacturing industry, especially after our country joins WTO, the worlds manufacturing center is developed from migration to Asia, China has cheap labor and the general consumer market, accordingly, industry of our country wants to develop, need to have appropriate technology and equipment support.Machinery industry is the equipment industry of national economy; it is content of science and technology of foundation; is new and high technology industrialization; is the basis of national defense building; is to achieve rapid economic growth of the important pillar; is to improve peoples living quality, provide consumer electrical products supply industry. It runs to national economy, the quality and efficiency of industrial structure adjustment and optimization is a very important role.2 The Status of Machinery Industry and Development TrendWith the development of society, all kinds of machinery and gradually applied to the various industry, whether in the agricultural, military, industrial, mechanical operation, leaving no efficiency, therefore, in some sense, the strength of a countrys economy, social status, and the development of machinery industry is close separable. The industrialized countries economic development course indicated that, without a strong equipment manufacturing industry, is impossible to achieve national economy industrialization, modernization and information 3 . At present, the equipment manufacturing industry development lag is restricting Chinas economic development and industrial upgrading of the important factors, increase structural adjustment strength, promote mechanical industry lasts, healthy, steady development, to change the mode of economic growth, improve quality of national economy whole, enhance the international competitiveness of the economy, security and national defense security has important and far-reaching meaning of.3 Of Machining Process Planning3.1 Machining Process DefinitionThe machining process is the use of mechanical processing method of change in rough shape, size, the relative position and the nature, make its become finished or semi-finished products of the whole process. Machining process directly determines the parts and the quality and performance of products, product cost, production period has great influence, is an important part of the whole process.3.2 Mechanical ProcessesThe composition of mechanical machining process of the basic unit is a process. Process and is formed by mounting, station, working steps and take the knife.The process is a group of workers, in a work of the same or simultaneously on several workpieces are completed for that part of the process. Process is the formulation of labor quota, with workers and machine tool equipment, arranging operation plan and quality testing of the basic unit.The installation is a workpiece by a fixture after the completion of the procedures.The application of switch ( or displacement) when processing machine tool ( or fixture ) processing, in a fixture, the workpiece ( or cutter ) relative to the machine tool passes through several locations in order processing, in each position is done on that part of the process, called station. The multi-station processing can reduce the times of clamping, reduce the mounting error, improve productivity.The step is processing the surface in the cutting tool and the cutting parameters ( only refers to the spindle speed and feed rate ) are the same circumstances completed part of the process.3.3 Machining Process DefinitionProducts or components manufacturing process and operation methods of the process, called process, it is the enterprise in the production of technical guidance document.3.4 Machining Process Planning Function and ContentMachining process is ready for production work mainly on the basis of. According to its raw material and semifinished product supply, machine tool adjustment, special process equipment design and manufacturing, production scheduling, allocation of labor force, and the production cost accounting.The machining process planning and organization of production, planning and scheduling based on. It can make production schedule and the corresponding scheduling, and can be connected to the scientific process, production is balanced, smooth, to realize high quality, high yield and low consumption.Machining process card and machining process card, are the two main process documents. Machining process card, is illustrated parts machining process technology files. In a single, small batch production, to machining process card guiding production, process card various projects in the preparation of more detailed. Machining process card for each process detailed formulation, used to direct workers, used for mass production parts and mass production of the important parts in the.3.5 Making The Machining Process Planning Principles and StepsUnder certain production conditions, with minimal consumption of labor and the lowest cost, according to plans processing parts that meet requirements of the drawings, is to develop the basic principle of machining process.Formulation of machining process steps are as follows:The under parts of the production program decision production type;The analysis of parts processing technology;The choice of blank type and manufacturing method;The technological process;The process design;The process documentation.4 Fixture Design4.1 Fixture Design SenseIn the machinery industry, how to guarantee the high precision of workpiece, the costs of processing and other substantive issues, has been engaged in the mechanical industry research questions, which in the design of fixture when we should consider the problems above, efficient fixture is the workpiece precision guarantee, how to make the fixture more efficient, more economical, the industry is the urgent need to resolve.With the development of society, the continuous improvement of technology, various high-tech technology gradually infiltrated into all sectors, how to use these high-tech to serve mankind, how to make full use of the technology in mechanical industry, it also requires machinery industry staff continued efforts, innovation.With the development of science and technology, and social needs of the market, the fixture design in progressive super to the flexible manufacturing system development. To date, the fixture is mechanical and electrical products manufacturing in the four indispensable tools, tool itself is already highly standardized, the user only needs to press varieties, specifications selection and procurement. While the mold and fixture and related products products, there is a need to make changes, usually belong to the special properties of the tool, mould has become an independent industry; fixture at home and abroad is also gradually form a dependent or independent small industry of machine tool industry. Combined clamp not only has the standardization, modularization, modular and other contemporary advanced design ideas, and in line with resource conservation principle, more suitable for green manufacturing environment protection principle. So the next fixture technology is an important direction of development unit.Machine tool fixture is usually refers to the use of clamping workpiece clamping device: for the device with various tools, also known as tool. The auxiliary tool is sometimes generalized to include in the range of machine tool fixture. According to the application range of machine tool fixture, generally can be divided into general jig, fixture and adjustable fixture.Universal jig is on general machine tools are generally accompanied by a common fixture, such as a lathe chuck, milling machine rotary table, dividing head, top seat. They have a standardized, with certain universality, can be used to install certain shape and size within the range of the workpiece without the need for special adjustment. However, in actual production, a universal fixture often can not meet the needs of various parts processing; or because of low productivity and must have the universal fixture for proper improvement; or because the shape of the workpiece, the processing requirements to be different specialized design and manufacture of a special jig, in order to solve the actual production needs.Jig is adapted to a workpiece in a processing requirements and the design and manufacturing expertise, its function mainly has the following several aspects: 1 ensure that the surface of the workpiece being processed mainly includes processing workpieces need maneuvering time of loading and unloading workpieces need the auxiliary time of two part. 2 using a dedicated fixture, workpiece installation and conversion work work can be greatly simplified, no longer need to draw the line and to find it, to shorten the working procedure non-cutting time and save line drawing this process, thereby improving the labor productivity. In production due to the adoption of multiple parallel processing workpiece fixture, enabling the simultaneous processing several parts of the motor will time and processing time of the same motor. The rotary multi-station continuous processing fixture, can be used for machining a workpiece at the same time, other workpiece loading and unloading, thereby enabling the auxiliary time and motor time coincides. In short, with the special fixture using and further improvement, can effectively shorten the process time, production to meet the evolving needs of. 3 using a dedicated fixture can expand the scope of machine tool technology. For example in lathe boring jig attached, can replace boring work; special fixture can be installed after turning the molding surface, so as to give full play to the role of general machine tools. 4, reduce the labor intensity, and ensuring safety production. According to the demand of production, using pneumatic, hydraulic or other mechanical changes, a higher degree of automation of the special fixture, to reduce the labor intensity of workers, protection of production safety and the stability of product quality and high yield of a great role. Processing large workpieces, such as the lathe bed, the lower surfaces of the screw holes on the bed, need to flip several times for processing workpieces, high labor intensity and safety. The use of electric rotary drill furniture, can improve production efficiency, reduce labor intensity, ensure safety in production.4.2 Fixture of The Development TrendIndustrial design is the development of human society and the progress of science and technology of the product, from Maurices the arts and Crafts Movement, to the German Bauhaus design revolution and the United States of America wide dissemination and promotion, industrial design after brewing, exploration, formation, development history of more than 100 years of vicissitudes. Today, industrial design has become an independent subject, and a complete set of research system.In 1980 the International Council of societies of industrial design ( ICSID ) to the industry as a clearly defined: production of industrial products, by training, technical knowledge, experience and visual experience, and indicates the material, structure, morphology, structure, color, surface processing, decoration to the new quality and specification, called industrial design. According to the specific circumstances of the time, industrial designer in the industry products are all side or a few aspects of the work, but also the need for industrial designers of packaging, publicity, display, market development and other issues to resolve pay their own technical knowledge and experience and ability of the visual evaluation, which also belongs to the scope of industrial design.Material, structure, technology is the product design material and technical basis, on one hand, technology restrict the design; on the other hand, technology is also promoting design. From the point of view of design aesthetics, technology is not only the material basis but also has its own function action, as long as good application properties of the materials, to the corresponding structure and suitable processing technology, can create a practical, aesthetic, economic products, namely in the product technology potential function.Any design are the product of the times, its different features, different features reflect the different historical periods of level of science and technology. Technology is the product of the morphological development of the pilot, new material, new technology products, is bound to bring new structure, new forms and new style. Materials, processing technology, structure, product image organic ground is contacted together, a part of the change, it will cause the whole body changes.Now, the machining process and fixture with the development of manufacturing technology also make a spurt of progress. Machining process to the various factories in different circumstances, its processing procedures are very different. Break through the past death mode. Make it with different cases has more reasonable technological process. So that product quality greatly improved. Develop processing technology can be rational, but also to meet the basic requirements: guarantee product quality under the premise, as far as possible to improve labor productivity and reduce the processing cost. And to make full use of the existing factory production conditions, as far as possible, using domestic and foreign advanced technology and experience. Should also ensure that the good working conditions. But our country present stage still rely mainly on technology personnel experience to prepare process, often does not require step and cutting amount, man-hour quota is to be determined by experience, very rough, the lack of scientific basis, difficult to carry out reasonable economic accountingInternational Journal of production Research Association statistics show that, at present, small batch production of many varieties of workpiece varieties accounted for about 85% of the total number of the kind of workpiece. Modern manufacturing requirements of enterprises manufacturing products constantly upgrading, to meet the needs of the market and competition. However, the general enterprises are still accustomed to the traditional special fixture, generally in the medium having a production capacity of the plant, some have thousands or even nearly 10000 sets of special fixture; on the other hand, in the production of many varieties of the company, every 3 to 4 years to update 50 80% special jig, fixture actual wear only 10 20% or so. Especially in recent years, CNC machine tools, machining center, group technology, flexible manufacturing system ( FMS ), a new processing technology of machine tool fixture, proposed the following new requirements:1) can rapidly and conveniently and equipment of new products put into production, so as to shorten the production cycle, reduce the production cost;2) capable of clamping a group with similar characteristics of the workpiece;3) can be applied to precision machining of high precision machine tool fixture;4) can be applied to all the modern manufacturing technology of new machine tool fixture;5) adopts the hydraulic station for power efficient clamping device, in order to further reduce the labor intensity and improve labor productivity;6) improve the standardization degree of machine tool fixture.The development trend of modern machine tool fixture mainly for standardization, efficiency, precision and flexibility in four aspects.Use better fixture, can improve labor productivity, improve processing accuracy, reduce waste, machine tool technology can expand the scope, improve the operation of labor conditions. Therefore, the fixture machinery manufacturing is an important process equipment. A good fixture is the processing of qualified products of the first condition, in order to allow the clamp has the better development, fixture industry should strengthen the production, learning and research, collaborative efforts, accelerate the use of high technology to transform and upgrade the level of technology to create the pace of jig, fixture professional technology website, make full use of modern information and network technology, and when in keeping with the innovation and development of fixture technology. Active and foreign fixture manufacturer, for joint venture and cooperation, the introduction of technology, it is the reform and development of our country industry is more effective ways of fixture.
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