1.In this paper, the industrial application of the precision roll forging for YQ153A front axle is introduced. Since the precision roll-die forging is utilized, a production line, which takes a Φ 1000mm reinforced automatic forging roll as the precision roll forging device, takes a 25000kN friction press as die forging device, and equips the corresponding furnace, trimming and hot sizing device, manufactures the YQ153A front axle successfully.
本文介绍了YO153A前轴精密辊锻工艺产业化应用,由于采用精密辊锻-模锻工艺,在以加强型Φ1000mm自动辊锻机为精密辊锻设备,25000kN摩擦压力机为模锻设备,配以相应规格的加热、切边和热校正设备的生产线上成功地制造出了YO153A前轴。
2.In this paper, the cold die forging technology of the counter gear was analysed, the cold die forging was designed, the blank dimensions and the figure were calculated and choosed, the allowable deformation degree was checked, the equipment for the deformation was selected, the blank treatments before the cold die forging were draw up and the die structure of the cold die forging was designed.
分析了计数器齿轮的冷模锻工艺，设计了冷模锻件图，计算及选用了毛坯尺寸及形状，验算了许可变形程度，选择了变形用的设备，拟制了冷模锻前的毛坯处理及设计了冷模锻模具结构。
3.Zhejiang Hongxin Heavy Die Forging Plant,used to be Shanghai Heavy Die Forging Plant,is one of the specialized manufacturers,of forging with long history in Shanghai.With rich experience in manufacturing forging for over 30 years and possessed of great numbers of skillful workers,technicians and engineers,the plant has the ability to produce various high quality forgings with excellent equipments and advanced technology.
浙江宏鑫重型锻造有限公司前身上海重型模锻厂，是上海历史悠久的专业锻造厂之一，具有三十多年锻造生产的丰富经验，拥有大批高度熟练的技术工人和专业人员，运用精良的设备和先进的工艺，生产各类优质锻件。
4.Upon technology analysis of Series 350 crankshaft forging pieces of Chevroler,proper forging technology has been designed adn forging die been optimized,resulting in high quality crankshaft forging pieces with high accuracy,good appearance and reasonable streamline,produced in Model KP8000t crankshaft production line.
通过对雪佛莱350系列曲轴锻件的工艺分析,设计了合理的锻造工艺方案,优化设计了锻模,在KP8000曲轴生产线上锻造出了精度高、外观质量好、流线合理的优质曲轴锻件。
5.Abstract: In this paper, the cold die forging technology of the counter gear was analysed, the cold die forging was designed, the blank dimensions and the figure were calculated and choosed, the allowable deformation degree was checked, the equipment for the deformation was selected, the blank treatments before the cold die forging were draw up and the die structure of the cold die forging was designed.
文摘:分析了计数器齿轮的冷模锻工艺，设计了冷模锻件图，计算及选用了毛坯尺寸及形状，验算了许可变形程度，选择了变形用的设备，拟制了冷模锻前的毛坯处理及设计了冷模锻模具结构。
6.Based on the analysis of the advantage and disadvantage of both overseas and domestic closed cold forging equipment, closed cold forging equipment consisting of a NC precise forging hydropress and a set of hydraulic drive female die has been developed, hence realization of the precision die forging of key parts for car, such as bevel gears.
摘要在分析了国内外现有闭式冷精锻装备的优缺点的基础上，开发研制了数控精锻液压机和液压传动凹模模具装置，构成闭式冷精锻设备，实现了圆锥齿轮等轿车关键零件的精密模锻生产。
7.In this paper,a simulation experiment of precision forging hollow straight spur gear with a boss was done,and deformation of the final stage of precision forging was emphasised To analyse by coordinate grid method. The law of metal flow was obtained,and the conclusion proposed can be referred to working out the process of precision forging.
此文对空心坯料精锻带轮毂直齿圆柱齿轮工艺进行了模拟实验,并以座标网格法着重对精锻终了阶段进行了变形分析,获得了金属流动规律,提出了对制订精锻工艺有参数价值的结论。
8. Results The enclasp force of ?1 0 mm forging clasp was 23 4N, that of Co|Cr alloy cast clasp and ?0 9 mm forging clasp were 13 2~14 4N, that of ?0 8 mm forging clasp was 12 2N and that of Ni|Cr alloy cast clasp was 11 5N.
结果 1.0 m m锻造卡环的卡抱力最大 (2 3.4N) ,其次是铸造钴铬合金卡环及 0 .9mm锻造卡环 (13.2～ 14.4N) , 0 .8m m锻造卡环的卡抱力略小(12 .2 N) ,铸造镍铬不锈钢卡环卡抱力最小 (11.5 N)。
9.The results show that if the method of isothermal forging with the forging heating temperature of 930℃ or 860℃or the method of super-isothermal forging with the temperature of 860℃ and the die temperature of 930*C is adopted, the pancake will have fine structure, i.e the uniform fine grains and the alpha-bata equiaxed structure.
试验研究结果表明,采用等温锻造(锻造加热温度为930℃或860℃)或超等温锻(锻造加热温度860℃,模具温度930℃),可使饼坯获得均匀细晶的低倍组织和。 α+β等轴高倍组织。
10.In this paper,an extrusion-forging process for a knuckle of Benz heavy truck is introduced,which includes four steps: Upsetting,extrusion,pre-forging and forging.
奔驰重型卡车的转向节挤压锻造工艺,分为镦粗、挤压、预锻和终锻4个工步。
