Fatigue life is able to increase more than 90 % as using technique that makes bead forming on the back side.
采用背面成形技术使膜盒的疲劳寿命提高90%以上。
Through experimental measuremnet, the optimum current and gas flow rate for strictly controlling the bead forming process are found out.
通过试验证明，严格控制焊接电流和离子气流量，可以对焊缝成形进行有效控制。
The design of auto-body forming process commonly includes edge un-wrapping, choice of drawing direction, roughcast reckoning, design of addendum, adding the binder surface and setting the draw bead.
覆盖件拉延工艺的设计一般包括以下内容：翻边展开、拉深方向选择、坯料估算、工艺补充面的搭建、压料面的添加以及拉深筋的布置等等。
The result indicates that the optimal composite displacement system is to drive remaining oil by ways of oil bead deformation, stretching, and forming oil threads.
结果表明，最佳复合驱驱油体系以油珠变形、拉伸、形成油丝的方式启动剩余油。
The lapping amount of bead is critical not only for the trouble-free operation of three-dimensional welding, but also for the forming accuracy.
焊道搭接量对保证三维堆焊成形过程的顺利进行以及成形件的精度都有较为重要的影响。
Proper layout of draw bead is one of the key ways on controlling forming quality of ram parts in automobile panel formation.
合理布置拉延筋是汽车覆盖件成形中控制冲压件成形质量的主要手段之一。
Dacron polyester fibers have a high resistance to burning. They tend to fuse and shrink away from the flame, forming a bead that is very hard after cooling.
大可纶纤维具有较好的阻燃性能。在点燃聚酯纤维时，纤维会熔化并在火焰作用下收缩，最终形成球状。冷却后熔球具有较高的硬度。
The application of equivalent draw beads to sheet forming blank design is studied and the ideal of blank design using revering method combined with equivalent draw bead is conceived.
研究了在板料成形毛坯设计中加入等效拉延筋进行计算的毛坯设计方法，提出了利用反向方法结合等效拉延筋进行毛坯设计的设计思想。
The fine bead producing apparatus comprises a raw material melting device (1), a liquid drop forming device (2), a nodulizing condensing device (3) and a product collecting device (4).
它包括原料熔化装置（1）、液体成滴装置（2）、球化冷凝装置（3）、产品收集装置（4）；
A round draw bead can prevent the forming of inner wrinkles.
环形拉深筋经常用来内皱。
A round draw bead can prevent the forming of inner wrinkles.
环形拉深筋经常用来内皱。
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