【正文】 election of parts size and relevant data to analyze the technology of workpieces, and then determine the optimum process scheme and the structure of the mould, then, in turn, calculating the size of the mould all the required data, calculate after choose corresponding to the required parts to assemble the mold, the mold assembly drawing. For some technological force, cutting force was calculated, lookup table selected press. Refer to all kinds of information about mould design, familiar with mould design process, matters needing attention, and the choice of parts. From the overall consideration, design of mould structure is simple and practical, safe and reliable. Now want to deep drawing with flange of the cylinder shell parts, using blanking deep drawing pound mould, procedure is simple.Key words: The mold。現(xiàn)要拉深帶凸緣的圓筒外殼零件，采用落料拉深復(fù)合模具，工序簡單。查閱各種關(guān)于模具設(shè)計的資料，熟悉模具設(shè)計過程，注意事項(xiàng)，以及零件的選用。模具設(shè)計一般要先根據(jù)選擇的零件尺寸以及相關(guān)的資料來分析工件的工藝性，然后確定其最佳工藝方案及模具的結(jié)構(gòu)形式，再依次計算模具各個所需的尺寸數(shù)據(jù)，計算結(jié)束后選擇對應(yīng)所需的零件來組裝模具，最后繪制模具裝配圖。s service charge of notification on the relevant issues (the change price [2003]857). Sale of prequalification documents and solicitation documents going to choose all, pricing should be based on the principle of profit not files, must not violate the relevant provisions in the price Department. requirements in the form of application proxy application shall be prepared in the 5th chapter of the format. Application of various supporting documents should be requested by the selection of files grouped by order. Comparison and selection of the bidding agencies must provide supporting documents required by the file。s service fees. Tendering agent39。s service fees under 80%. Tendering agent39。s service fees under 100%, the lower limit for the State Development Planning Commission of the interim measures for the management of tendering agent39。s service charge control the upper and lower limits, Cap for the State Development Planning Commission of the interim measures for the management of tendering agent39。s service charges (meter prices [2002]1980) rules of the Nineth, tender agent service charges using the difference progressive billing rate. Charges in accordance with the tendering agent39。s meat consumption habits and economic analysis of the development situation, the emergence of new trends in the market of domestic pork and its products. Docking is a pig production and sales more closely. The Yangtze River Delta, Pearl River Delta and the Bohai rim economic developed area industrial structure adjustment gathered pace, two or three industries to the Central and Western bias. Second, the rigid domestic consumption growth. For a long period, pork is still the largest variety of meat consumption in China, the absolute consumption continues to grow. Especially in the vast rural market growth potential. Third, market for pork and higher product quality requirements. Pollutionfree pork safety and health has shown a very good market prospects. Four is the market changing. Currently, cold meat, more and more varieties of meat and pork meat products, which accounted for a large proportion of pork consumption, stores, chain stores, supermarkets and other marketing methods is on the rise, and transport has been extended to more than 2000 km in RADIUS. Chengdu is an important River pig resource market, the city39。s Government or the development and Reform Commission published the winning bidder on the designated media publicity shall prevail. staff requirement (25 points) 1, to the construction project serving personnel, 4 years experience in tendering agent, 2 points per person, 2 years experience in tendering agent ...Pig is not a pig. With domestic international market and technology big environment of changes, as China traditional industry of pig production of job way and profit way are requirements related industry for resources integration, to quality security for premise, regulation based farming, and management cost and the production, and sales cost, go standardization, and scale, and intensive, and market road, fast upgrade whole industry chain of regulation capacity, market petition capacity and antirisk capacity. First, industry analysis (a) the basic situation in China is a traditional hog production and consumption country, 2008 million tons of pork, pig stock million head by the end pig slaughter million. National pig industry39。 (5) are intended to the agent of the project as a project manager has similar projects the number of and references to meet the requirements。 (3) the similar project tendering agency agent number and provide proof of material pliance。First pliance review of the application of the appraisal Committee, only through the pliance review of the application to take part in a detailed review. application pliance review: does not meet one of the following conditions, procuratorial Agency to submit application through pliance reviews, be invalidated: (1) application of the formats, contents, meet the requirements of selected files, powers of Attorney, declarations by the legal representative and the tender agent application to meet the requirements。 (2) licence and a bidding agent qualifications meet the requirements。 (4) the tendering Agency intends to put into this project the number of professionals to meet the requirements。 (6) no fraud case. application review in detail the Evaluation Committee through pliance reviews will be selected for detailed review of the application. tender agent institutions similar project tender performance requirements (16 points) tender agent institutions similar project tender performance 16 points, by two part position (1) agent similar project of cumulative bid amount scored calculation rules for: Agent water project bid amount (on January 1, 2007 has has bid notice for associate) cumulative each reached 100 million Yuan have 2 points, water project cumulative bid amount scored up not over 6 points. In addition, pletes a bid worth more than 500 m