The influence of speed steel hot quenching standard in structure and properties of metal is still a real problem in the producing process of tools. 高速钢分级淬火规范对其组织和性能的影响是工具生产中面临的实际问题。
Modifications of the term quenching include direct quenching, fog quenching, hot quenching, interrupted quenching selective quenching, spray quenching, and time quenching. 淬火包括直接淬火、喷雾淬火、热淬火、分级淬火、局部淬火、喷射淬火和限时淬火。
While manufacturing a hot-extrusion die made of RM-2 hot working die steel, quenching cracks was found during the quenching process. 在制造热挤压模具的过程中,所用的模具钢RM-2在淬火过程中发生了淬火开裂。
By plunging the hot metal into water, oil, or brine ( quenching), the desirable characteristics are retained. 将灼热金属插入水中或盐水(淬火),还会保持理想的特性。
Processes of Hot Strip Rolling Control and Quenching Control 热连轧带钢控制轧制和控制冷却工艺
Polyethylene terephthalate ( PET)/ polyethylene ( PE) in-situ microfibrillar reinforced blend was prepared through a slit extrusion, hot stretch and quenching process. 通过挤出、热拉伸及淬冷制备了聚对苯二甲酸乙二醇酯(PET)/聚乙烯(PE)原位微纤化共混物。
Hot Bath Quenching For High Speed Steel 高速度钢之热浴热处理
The seamless-steel tubes with excellent low-temperature properties and strength more than 800 MPa can be produced from the low alloy steel described here by the process of hot rolling plus direct quenching. 本文介绍的低合金钢,采用热轧+直接淬火工艺,能够生产低温性能良好,强度在800MPa以上的无缝钢管。
In this paper, we present a new type of hybrid arc quenching system, which controls the metal vapor and back flow of the hot air in splitters arc quenching chamber. 本文研究了一种将窄缝与栅片配合应用于限流断路器的新型混合式灭弧系统。控制了栅片间金属短弧的金属蒸气喷流,同时削弱灭弧室中热气体的回流。
To sum up,( ordinary) speed steel hot quenching temperature should be about 600 ℃ or less. 综上结果,普通高速钢的分级温度以600℃左右或更低些为宜。
Experiments for hot mold shell with isolated hot spot by local water quenching in investment casting before and after pouring were conducted. 对熔模铸件孤立热节热型壳进行了浇注前及浇注后局部水淬激冷试验。
Experiments for Hot Mold Shell with Isolated Hot spot by Local Water Quenching in Investment Casting 熔模铸件孤立热节热型壳局部水淬试验
This deformation is able to be controlled by adding a hot straightening operation and optimizing the direction of dipping spring leaves into the quenching medium. 通过增加热校直工序并改变簧片淬火浸入方向的方法,可使板簧侧弯变形得到控制。
Thermo-mechanical treatment ( rapid hot rolling and quenching and aging) can increase alloys 'last strength greatly, and influence the conductivity of the alloy little. 形变热处理(快速热轧淬火和时效)工艺可以提高时效后的最终强度,时效后变形热处理对电阻率影响较小。
Hot stamping process is a kind of sheet metal forming technology at high temperature which based on die quenching process, in which the sheet metal stamping is formed at high temperature, and the workpiece is quenched using the mould. 热冲压工艺是一种基于模内淬火的高温板料成形技术,其技术特点是将板料在高温下冲压成形,并利用模具实现对成形工件的淬火处理。
It has been suggested that the martensite transformation for hot stamping is driven by cooling rates within the tooling during forming and quenching. 热成形工艺的成形和淬火过程中,模内快速的冷却速率是驱使板料向马氏体转变的重要原因。
Hot stamping is a new complex forming technology, which realizes the combination of the process of forming and cooling quenching. 热冲压成形技术是一种将板料成形和冷却淬火相结合的新型复杂成形技术。