【正文】 r our processing of all kinds of largescale, highprecision parts provided with equipment to ensure 機械產(chǎn)品生產(chǎn)過程是指從原材料到機械產(chǎn)品出廠的全部生產(chǎn)過程。其生產(chǎn)過程可以由一個工廠完成，也可以由多個工廠完成。主要是我們的生產(chǎn)能力不能滿足。 also includes the packaging, transportation and other auxiliary processes. Its production process can be pleted by a factory, you can also be pleted by a number of factories. In addition to our largescale structural parts, some machining parts manufactured by the pany, there are some parts from the outside coprocessing and manufacturing plants, mainly because our production capacity needs to be improved.下面就我們公司起重機生產(chǎn)的主要工藝流程作一介紹，在介紹工藝流程的同時，把每道工藝過程中所涉及到的設(shè)備作一些介紹，讓大家對我們的設(shè)備能力有一個初步了解。ll briefly introduce process of making the crane, at the same time, you may have a preliminary understanding of our equipment. 先介紹起重機制造的總工藝流程，然后再逐一介紹每道工序的詳細情況。Crane from the metal structure (the main beams, side beams, platform and ladder railings, small frame, etc.), machining parts。Steel mark: Qyield point of steel。 A、B、C、Dquality grade。Features: E4303, E5003 slag with good fluidity, removal of slag layer is easy, electric arc is stable, moderate depth of fusion, less splash, weld ripples in good order, suitable for welding on all positions, mainly used for welding of important lowcarbon steel structure. E4316 、E5016電弧穩(wěn)定，工藝性能一般，適用于全位置焊接。 E4316, E5016 arc are stable, process performance is general and suitable for welding on all positions. Deposited metal of such welding nod has good crack resistance and mechanical property, mainly used for welding of important lowcarbon steel structure, and also for welding of lowcarbon steel structure that has similar strength.焊條規(guī)格： Specification of welding nod: model and specification of welding wire焊絲型號：埋弧自動焊焊絲：H08A H08MnA H08Mn2Si H10Mn2（原型號）氣保焊：實心焊絲：ER506 ER491 （ER— 焊絲， 50— 熔敷金屬抗拉強度最小值500MPa 6—焊絲化學成分分類代號）Model of welding wire：Automatic submergedarc welding wire: H08A H08MnA H08Mn2Si H10Mn2 (Original Code).Gas Shielded Welding: solid wire: ER506 ER491 (ER—welding wire, 50— min. tensile strength of deposited metal is 500MPa, 6—code of chemical position of welding wire) 藥芯焊絲EF fluxcored wire 焊絲規(guī)格specification of welding wire：， of steel surface：鋼材在下料前，表面必須經(jīng)過噴丸或拋丸除銹處理，；一般件達到Sa3級。Shot blasting treatment: treat 2000mm200mm(width) steel plate or structure no larger than 1800mm1200mm. primer painting 底漆噴涂應(yīng)在拋丸處理后，立即進行；否則，鋼板表面生銹。 red iron oxide ethylene perchloride primer G064.Finishing coat:chlorinated rubber paint, epoxy polymer enamel, acrylic enamel, vinyl perchloride enamel, 高溫環(huán)境 hot environment各種高溫環(huán)境下作業(yè)的產(chǎn)品products used in hot environment 25505085無機硅酸鋅底漆（400℃）W6132鋁粉有機硅耐熱漆（300350℃）W6142有機硅耐熱漆（300℃W6137有機硅耐熱漆（300400℃. inorganic zinc silicate primer （400℃）, W6132 Aluminium powder organosilicone resin heat resistant paint （300350℃）, W6142 organosilicone resin heat resistant paint （300℃）, W6137 organosilicone resin heat resistant paint （300400℃. 強腐蝕環(huán)境 Strong corrosive environment長期受潮水和潮濕、濕熱條件下作業(yè)的產(chǎn)品 products used in tide and humid conditions for a long time 60195230270底漆：環(huán)氧富鋅底漆H06瀝青漆中間漆：云鐵環(huán)氧防銹漆，環(huán)氧厚漿漆面漆：氯化橡膠鋁粉防銹漆，厚漿氯化橡膠面漆，環(huán)氧瀝青厚漿防銹漆 primer: epoxy zinc rich primer H064, asphalt paint. Intermediate coat:epoxy mio paint, epoxy paste paint.Finishing coat: aluminium powder chlorinated rubber antirust paint, heavy chlorinated rubber finish paint, high build epoxy bituminous anticorrosive paint 油的環(huán)境 environment with oil 與油類接觸的部位或裝油介質(zhì)的箱體，容器 parts contact with oil or box with oil medium255080160底漆：云鐵環(huán)氧防銹漆，C06C0611鐵紅醇酸底漆，C064鐵紅過氯乙烯底漆，聚氨酯耐油漆面漆G046過氯乙烯油箱漆，C54C5431醇酸耐油漆，Q043硝基內(nèi)用磁漆環(huán)氧耐油漆，聚氨酯耐油漆Primer:epoxy mio paint, C06C0611 red iron oxide alkyd primer, C064 ethylene perchloride primer, 油漆品種由工藝部油漆工藝員根據(jù)合同要求，制定油漆工藝（含油漆品種、顏色、數(shù)量、底、面漆涂層厚度等內(nèi)容）。Marking off: mark the shape and processing lines on plate with sample plate, handrail or diagram.： 下料方法：數(shù)控切割下料、半自動切割下料、剪切下料、鋸切下料。Cutting method: CNC cutting, semiautomatic cutting, shearing and sawing. Processing department will choose the appropriate cutting method, draw up procedure card, put in program and number. Scope of application for each cutting method:數(shù)控切割下料：形狀比較復(fù)雜板件，如筋板、異形件等。如主梁腹板拼接后，需用 半自動切割進行下料。帶鋸床：主要用于型材下料（圓鋼，及其他型鋼）CNC cutting: plate with plex shape, such as gusset plate, special parts, etc. Semiautomatic cutting: large parts, edge is in straight line. For example, after connection of main girder web plate, cut it with semiautomatic machine. Cutting Equipment 表 table 3 設(shè)