The low pressure casting die manufacturing of impeller of high-speed fan which has complex curved face and is needed to high precision is so difficult that traditional machining is hard to work and even more hard to reach specification.
高速风扇叶轮曲面复杂,精度要求高,其低压铸造模具制造难度大,传统的切削加工难以进行,更难以达到技术要求。
In order to raise the accuracy rate of mould design, and curtail the mould design cycle, Pro/E which is the professional software of CAD/CAM, is used to set forth the design and research technique of solid model and mould of impeller of high-speed fan by applying solid feature of part module and curved face feature of manufacturing module of powerful three-dimensional model of Pro/E.
为提高模具设计的准确率和缩短模具设计周期,以专业CAD／CAM软件Pro／E为工具,利用其强大三维造型功能中的零件模块实体特性和制造模块曲面特性,阐述了高速风扇叶轮实体模型及模具的设计和研究方法,并解决了利用Pro／E进行高速风扇叶轮模具设计存在的问题。
Research on Low Pressure Casting Die Manufacturing of Impeller of High-Speed Fan;
高速风扇叶轮低压铸造模具制造的研究
The Key Technologies Research on High-Speed Fan Impeller Mold of Remote Network-Based Distributed Collaborative Design
高速风扇叶轮模具网络化异地协同设计关键技术研究
Numerical design optimization of a high-loaded low-speed axial-flow fan and experimental research
高负荷低速轴流风扇数值优化设计与实验研究
Way of Improving Aerodynamic Load Coefficient of Transonic Axial Fan Rotor
提高跨声速风扇转子气动负荷系数途径
Intelligent Fan Control Device Based on High-speed 16-bit CPU Chip Switchgear
基于高速16位CPU芯片的开关柜风扇智能化控制装置
the cooling was overhead fans.
冷却系统是高架风扇。
"Turn down the fan, it's going too fast."
"减低风扇的速度,它太快了。"
Their first reaction is to speed up the cooling fans.
第一种反应就是加速散热风扇的运转。
A.C. electric fans and regulators
GB/T13380-1992交流电风扇和调速器
Low Spd Rad Fan Rly Ctrl
低速无线风扇继电器控制
The variaBle-speed electric fan makes you feel carefree, cool and refreshed.
变速电风扇，带给您逍遥清凉。
The Realization of the Fan's Speed Controller Based on MSP430
基于MSP430风扇速度自调装置的实现
Design of Speed-adjusting System with Frequency Conversion for Fan Motor in Driver’s Cab
汽车驾驶室风扇变频调速系统的设计
Measurement investigation on the aerodynamics of vectored thrust ducted propeller
高速直升机涵道风扇矢量推进系统模型悬停状态的气动力测量研究
Among commonly used types are those employing either a propeller or cups for measuring wind speed and a vane for measuring wind direction.
普通使用的型式是测量风速的叶扇或风杯及测量风向的风标。
The high efficiency cooling fan is combined with a specially designed fan shroud to meet this need.
高效冷却风扇加上特别设计的风扇盖,以满足这一需要.
The Design of Wireless Temperature Controlled Electric Fan Governor Based on MCU
基于单片机的无线温控电风扇调速器设计
To reduce parasitic power consumption, some systems use the low speed of a two-speed fan.
为了减少寄生能量消耗，一些系统运用双速风扇的低速。