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1)  wire drawing die repairing
拉丝模修复
2)  broken wire repairing
断丝修复
1.
The difficulties, basis and operation way of broken wire repairing was illustrated.
阐述断丝修复的难点、依据及操作方法。
3)  wire drawing die
拉丝模
1.
When center fracture appears, it is solved by rational match of pass draught and wire drawing die work cone angle, which ensures draught is more than 20 percent as work cone angle is at 14°and the draught is more than 18.
钢丝中心出现断裂时,通过改变道次压缩率和拉丝模工作锥角,使其合理匹配来解决,保证工作区角度为14°时,压缩率大于20%;工作区角度为12°时,压缩率大于18。
2.
According to the calculation of the drawing force, the stress state of the ceramic wire drawing die during working process was analyzed and the stress distribution at working section and fixed diameter section of the die were studied.
根据拉拔力的计算结果分析了陶瓷拉丝模工作时的受力状态,得到陶瓷拉丝模在拉拔加工过程中工作区和定径区的应力分布情况;基于分析结果对陶瓷拉丝模进行结构设计,得到与陶瓷材料匹配的合理的拉丝模结构。
4)  drawing die
拉丝模具
1.
In this paper the authors introduced the present status and machining methods of Non-Traditional Machining for PCD (polycrystal diamond) drawing die.
本文介绍了特种加工的国内外发展状况,以及聚晶金刚石拉丝模具的特种加工方法。
2.
To introduce the electric discharging machining(EDM)principle and processing technology of polycrystalline diamond(PCD) drawing die.
介绍聚晶金刚石(PCD)拉丝模具电火花加工原理及加工工艺,通过对电火花加工设备的改进,电极材料、工作液、加工参数的选择研究,完成了PCD拉丝模的穿孔及各个区域角度的粗加工;通过对超声研磨机制、研磨质量的影响因素以及研磨工艺的研究,选择了合理的磨料粒度和抛光参数,完成了PCD拉丝模的抛光加工。
5)  drawing die
拉丝模
1.
Research and manufacturing of drawing die aperture type measuring apparatus;
拉丝模孔型测量仪的研制
2.
Diamond coated films are deposited by straight hot filament chemical vapor deposition (CVD) passing through the aperture of drawing die using a mixture of hydrogen and acetone as source gases.
:以市售大孔径 (>2mm)硬质合金拉丝模为衬底 ,经酸腐蚀去钴、研磨和还原处理后 ,以氢气和丙酮为原料 ,用穿孔直拉热丝CVD法制备了金刚石涂层。
6)  wire drawing dies
拉丝模
1.
The present status of development of the materials and structures of wire drawing dies is summarized.
对国内外拉丝模材质与结构研究的发展状况进行了综述。
补充资料:拉丝
分子式:
CAS号:

性质:(一)胶黏剂在配制后因超过活性期,胶液部分凝聚所产生的在拉伸情况下成为丝状物的现象。(二)涂料在喷涂时雾化不好,致使涂料不能化为微细的雾滴而呈丝状喷出,所得的涂膜不能流平,出现了拉丝。原因是涂料施工黏度高,稀释剂溶解力差。宜选用适合的溶剂,调整到适宜施工黏度,使涂料在喷涂时能充分雾化,能流平,即可避免此弊病。

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