1) preform die
预成型口型
1.
The extrudate shape,dimension and output can be effectively controlled on single roller extruder with its variable screw and roller speeds and the flexible combination of preform die and final die.
单辊筒口型挤出机通过变更挤出机螺杆和辊筒转速及灵活的预成型口型和终端口型设计组合可以有效控制挤出物的形状、尺寸和生产率。
2) preforming
[英][pri:'fɔ:m] [美][pri'fɔrm]
预成型
1.
To satisfy the requirements of fast producing,low cost manufacture and large thickness preforming in the field of non-resin winding cylinder composite,the equation of retracing cosine curve was deduced based on the section principle.
最后基于对余弦折回曲线的分析,利用数值模拟证实余弦折回曲线在干纱缠绕圆柱壳体预成型中有利于高速加工;在缠绕厚度相对不大且需要高速缠绕加工情况下,可采用余弦曲线作为端部区段的折回曲线。
2.
On the base of the research of the non-resin winding cylinder preforming technique,particular arithmetic used to develop the computer software was indicated.
本文述叙了三维图形标准OpenGL模拟系统的基本原理,结合干纱缠绕圆柱壳体预成型技术的研究,论述了开发此计算机软件的具体算法。
3.
In this dissertation, the technology of cylinder non-resin winding preforming was put forward and studied comprehensively and systematically.
本文提出了适于快捷生产、低成本加工、厚壁圆柱壳体制件成型的“干纱缠绕圆柱壳体预成型技术”，并对这一工艺进行了较为全面和系统的分析研究。
3) blocker forging
预锻成型
1.
The structural dimension of piston tail forging part and the key technology of die forging were analyzed in detail,then a three-step die forging process was determined which included blocker forging,finish forging and trimming.
详细分析活塞尾锻件结构尺寸和模锻成型的关键技术,制定了三步模锻成型工艺:预锻成型、终锻成型和切边,设计了模具结构。
4) tackified preforms
预成型体
1.
The technological requirements for preparing tackified preforms by using LCM were painted out.
总结了20世纪90年代以来关于复合材料液体模塑成型(LCM)技术中纤维预成型体制备技术的相关文献报道,指出LCM用纤维预成型体应满足的工艺性要求,且对当前国内外纤维预成型体的成型方法及其制备技术中应用的几种增粘剂进行了分析和概述,并对纤维预成型体制备技术的发展方向进行了展望。
5) preform
[英][pri:'fɔ:m] [美][pri'fɔrm]
预成型件
1.
Microstructure of 3D six-directional braided preforms;
三维六向编织预成型件中纱线的交织结构
6) preform
[英][pri:'fɔ:m] [美][pri'fɔrm]
预成型
1.
Textile preforms with high level of pre-fabrication for fiber reinforced composites
预成型纺织材料用于纤维增强复合材料
2.
Three weaving methods of cone-shaped tubular woven preforms were discussed.
分析了三种锥形管状预成型机织物的织造方法。
补充资料：混杂纤维编织预成型体
分子式：
CAS号：
性质：由两种或两种以上纤维，按一定要求掺混后编织成型的三维复合材料的增强相。编织混杂纤维预成型体的纤维可以是几种纤维合成一股。各种纤维比较均匀地分散在预成型体内，也可以是每种纤维独立成束的编织在预成型体内。与混杂纤维的一维或二维复合材料一样，三维混杂纤维组织的预成型体，各种纤维在复合材料内也起着互相取长补短的作用，提高复合材料的性能。
CAS号：
性质：由两种或两种以上纤维，按一定要求掺混后编织成型的三维复合材料的增强相。编织混杂纤维预成型体的纤维可以是几种纤维合成一股。各种纤维比较均匀地分散在预成型体内，也可以是每种纤维独立成束的编织在预成型体内。与混杂纤维的一维或二维复合材料一样，三维混杂纤维组织的预成型体，各种纤维在复合材料内也起着互相取长补短的作用，提高复合材料的性能。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条