介绍了几种典型无模成形技术的研究概况，重点介绍了激光冲击成形的无模成形技术。
Several technologies called formative research profiles, focusing on technology of laser shock forming are introduced.
动模实验、高压冲击试验和RTDS试验都表明该综合定位系统具有很强的鲁棒性和很高的定位精度。
Dynamic simulation test, HV impulse test and RTDS test results all show that this system has high robustness, high reliability and high precision.
采用LD钢制造大型滚子冷镦模具的模芯，具有较理想的硬度、强度、耐磨性和冲击韧性。
Core of large roller cold upsetting die made of ld steel has more ideal hardness, strength, anti wear capacity and impact toughness.
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