illustrates the principle of the inner cone grinding twist drills, the process of grinding experiments on the tool grinder and the adjustment of the tool grinder.
阐述内锥面刃磨麻花鉆原理及在工具磨床上进行磨削工艺试验的方法和机床的调整。
the ignition system is applied to the afterburner structure with full inner cone for improving performance.
这种点火系统特别适用于全锥加力燃烧室结构,以改进加力燃烧室性能;
the foundation is laid for further improving grinding precision and grinding equipment design of new inner cone grinding method.
为进一步提高麻花鉆刃磨精度和新型内锥面刃磨装置的设计奠定基础。
abstr: new inner cone grinding method of twist drill is introduced and mathematical model is build. equation between dill point parameter and grinding parameter is introduced.
no significant difference in the strength degradation among all static loading specimens and no inner cone cracks occurred in static loading specimens.
不同加载时间下的静态加载试件强度下降的差异无统计学意义,同时不伴随内锥状裂纹的产生。
for the defects such as dead zone and shrinkage cavity in conventional extrusion process, an inner cone punch was proposed to improve the metal flow behavior.
the inner cone grinding method of twist drills is discussed. the phenomenon of up tail in the grinding method is exposed and the solving idea is given.