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- The effect is evident as steel 3Cr2W8V is used in cold extruding die. 熱作模具鋼 3Cr2W 8V用于冷擠壓模取得明顯效果。
- Taking forward extruding as an example,this paper infers a theoretical calculation formula for unit extruding force with primary stress algorithm in the plastic deformation. 以正擠壓為例,利用塑性變形問(wèn)題的主應力解法,推導了單位擠壓力的理論計算公式。
- Forward extruding for hollow pinion gear, compound extruding for housing gear and upending extruding for shaft gear and their forming conditions and processes were analyzed. 介紹了帶孔小齒輪的正擠壓直接成形、帶殼小齒輪的復合擠壓成形和帶軸齒輪的鐓擠成形等傳統冷擠壓方法，以及上述各類(lèi)齒輪的冷擠壓成形條件和工作過(guò)程。
- A combined extruding die of new structure was designed to bring 3150KN oil press into its full play under the condition of limited shut height. 在設備閉合高度有限的情況下,設計了1副結構新穎的組合式擠壓模具,使3150kN油壓機設備能力得到了有效的發(fā)揮。
- Based on the characteristics of double cavity central venous catheters,Selected the suitable extruding process, and designed the extruding die. 根據雙腔中心靜脈導管的特點(diǎn),選擇了合適的導管成型工藝,并設計了擠出機機頭的芯模和口模。
- The lathe finish machining method,machining process and machining points of cricle double-core separation die were introduced in extruding die. 介紹了在擠壓型材模具的分流組合模中,圓形雙型芯分流組合模車(chē)削精加工方法、加工過(guò)程及加工要點(diǎn)。
- The quick phosphatizing method of cold extruding die parts and its defects, as well as the solving methods are introduced respectively. 介紹了冷擠壓模具零件的快速磷化方法及其缺陷分析與改進(jìn)措施。
- By improving extruding die for soft soldering materials with air&oil discharging function,product defects were reduced,and the operation life of die was extended. 通過(guò)改進(jìn)軟釬焊材料的擠壓模具,使其具有排氣和排油功能,減少產(chǎn)品夾雜氣體、裹油起皮(或毛刺)等缺陷,延長(cháng)模具的使用壽命。
- According to the complex conformal mapping principle, a systemic modeling was made on the extruding die for special-typed metals and the plastically deforming metals. 采用復變共形映射理論,對異型材擠壓模及金屬塑性變形體進(jìn)行系統建模,并建立塑變形體的能量方程,根據極值原理,得到異型材擠壓模優(yōu)化設計參
- Abstract: In the working condition of the extruding die, the inwall of the die will bear very heavy non-uniform inner pressure along the height direction. 擠壓是一種少無(wú)切削的先進(jìn)加工工藝,在機械、儀表、電器、輕工、宇航、船舶及軍工等部門(mén)都有廣泛的應用[1]。
- The forming process by cold extrusion for the hood pedestal of the auto air_conditioner compressor and the design of the cold extruding die were introduced. 介紹了車(chē)用空調壓縮機罩體支架的冷擠壓成形工藝及冷擠壓模具設計,采用工藝試驗的方法確定擠壓坯料尺寸。
- In view of the forming process difficulty of the high precision part,the problems of the present cold extruding die,such as big flash and low service life were analyzed. 針對某精密零件加工成形中存在的難點(diǎn),分析了目前所使用的冷擠壓模具結構中存在的飛邊大、模具壽命低等問(wèn)題,提出了模具結構改進(jìn)措施。
- The structure and working process of the extruding die for the boss of shell bodies were described in detail. And the defects occurred in formng the boss and the preventative measures were introduced. 詳細說(shuō)明殼體凸臺擠壓模的模具結構及工作過(guò)程 ,并介紹了凸臺成形中產(chǎn)生的缺陷和防范措施
- The formulating process of cold extruding process for ladder-shaped parts are introduced in detail, the structural characters of cold extruding die design are generated basing on practice experience. 詳細介紹了階梯形零件冷擠壓工藝的制訂過(guò)程,根據實(shí)踐經(jīng)驗總結了其冷擠壓模具設計的結構特點(diǎn)。
- Base on orthogonal test and using engineering average effect analysis method,the best process parameters of sulphonitrocarburizing for the H13 steel hot extruding die was determined. 用正交試驗和工程平均效應分析方法確定了H13鋼鋁型材熱擠壓模的工作面(俗稱(chēng)“窄縫面”)進(jìn)行硫氮碳三元共滲的最佳工藝參數。
- Extruding dies act in a corresponding manner in displacing the body of the metal under direct pressure. 擠壓模以相似的方式,在直接的壓力下使金屬體移動(dòng)。
- Introduced design method and points of separation combined extruding die with ladder-shape punch in extruding die, stated extruding die design process and thought using practical example. 介紹了擠壓型材模具中,具有階梯式凸模的分流組合模設計的方法和設計要點(diǎn),用實(shí)例闡述了該類(lèi)型模具的設計過(guò)程和設計思路。
- Through to the extruding technology innovation research of using 3500t hydraulic machine extruding seamless special pipe, broke through the traditonal design idea, designed the special extruding die. 通過(guò)對3500t水壓機擠壓無(wú)縫異形管材的擠壓技術(shù)創(chuàng )新研究,突破了傳統的設計理念,設計了國內尚屬罕見(jiàn)的一整套擠壓模具。
- My foot caught in a creeper and I pitched forward. 藤蔓纏住我的腳，使我向前倒下。
- Einstein put forward his new theory of relativity. 愛(ài)因斯坦提出了相對論的新學(xué)說(shuō)。
