the special cutter head designing, make the film-rolling cut more exactly and reliably.

独特的刀盘设计，使筒状薄膜卷切断更準确可靠。

turning spherical surface with whirling cutter head on lathe or milling machine is a simple and effective method.

在普通车床或铣床上用套车加工圆球，是一种简便和高效的加工方法。

an improved cutter head drive hydraulic system of the shield tunneling machine was proposed, which achieved energy saving by optimizing the drive power.

设计了一个盾构掘进机的刀盘驱动液压系统，该系统是开式液压系统，应用电液比例控制技术实现了泵排量实时调节。

the adjusting mechanism for space and lap between upper and lower cutter head, cutter head traversing and locking mechanism etc. have been analyzed and introduced.

并对圆盘剪上下刀盘的间隙和重叠量调整机构、刀架回转机构及刀盘锁紧机构等进行了分析和说明；

the method achieves higher adjustment precision of an overlap amount, adjustment precision of backlash, and the stability of the backlash of a cutter head in the processes of rotating and moving.

它达到更高的重叠量调整精度、侧向间隙调整精度以及刀盘侧向间隙在旋转运动过程中的稳定性。

the load of the cutter head is the basic basis for structure design and performance analysis.

刀盘所受载荷是刀盘结构设计及其性能分析的基本依据。

the motor shaft penetrates the planar toothed cutter head and the rotating blades are flat, cross shaped or y-shaped.

其电机主轴穿过所述的平面齿刀盘，且顶部设置有旋转立体刀片。所述的刀片为一字型、十字型或y字型。

the utility model relates to a screwdriver which has the functions of a screwdriver with a flat cutter head and a cruciform screwdriver.

本实用新型涉及到一种螺丝刀，集扁平刀头螺丝刀和十字花螺丝刀于一体。

the utility model can reduce the torque required for rotating the cutter head through changing the direction of working face of grass chopper blade.

本实用新型通过改变铡草刀的刀刃所在面的方向，从而降低刀盘旋转需要的扭矩。

the utility model has the advantages that operating angle between the cutter head and the holder is adjusted by the simple flexible adjusting mechanism in the cutter holder slot on demand.

它的有益效果在于，通过在刀柄槽内设置具有弹性的调节机构来调 节刀头与刀柄之间的使用角度，其结构简单。使用者可根据需要方便地改 变刀头的使用角度。

by means of the action of spring force, a cutter which is installed on the cutter head is tightly clung to the end surface of the template.

靠弹簧的力的作用，安装在刀盘上的切刀紧贴在模板的端面上。

a hydraulic drive system of cutter head in shield tunneling machine was designed, which is open type hydraulic system and controlled in open-ring.

设计了一个盾构掘进机的刀盘驱动液压系统，该系统是开式液压系统，应用电液比例控制技术实现了泵排量实时调节。

cutter head and cutters are the key components of shield machine, which are mainly used to beak and strip the rock and soil of working face.

盾构掘进机是一种广泛应用于地铁、铁路、公路、市政、水电等隧道工程施工的大型机械设备。

the preparation of the control procedures, this paper introduces the tbm systems and tbm cutter head drive propulsion system thrust automatic control and torque control of these two areas.

对控制程序的编写，本文着重介绍了掘进机刀盘驱动系统与tbm自动推进系统的推力控制和扭矩控制这两个方面。

the cutting unit is provided with a particular arc-shaped cutting blade which is mounted on a cutter head and can be manually rotated.

切口器上有特殊弧形的切口刀，切口刀安装在刀盘上，且可手动旋转。

the utility model has simple structure, easy processing and convenient and rapid assembly and disassembly, only can be directionally assembled, and cannot install the cutter head reversely.

本实用新型结构简单，易于加工，装卸极为方便、快捷，而且只能定向装配，不会反装刀盘。

the cutter head is covered with a cavity of the hemispherical cutter head.

半球形刀头套的空腔罩住刀头。

the cutter head is the key component of shield machine.

盾构刀盘是盾构机设计和制造的关键部件。

the type selection of cutter head associated to geological parameters and the rule of cutter head designing are the basic problems.

与地质参数相关的刀盘选型以及刀盘的设计準则是刀盘设计的基本问题。

however, the lever of tbm design by china is lower than foreign country. being a crucial factor in influencing the performance of tbm, the cutter head design is one of the key issues of tbm.

但目前我国tbm国产化相对落后，刀盘设计是tbm的设计关键，是影响其掘进性能的决定性因素。

the cutter head structure of the invention is applicable to the cutter head structure of various juice extractors, fruit juice mixers and food cooking machines.

本发明可适用于各种榨汁机、果汁机、食品料理机的刀盘结构。

when the utility model is operated, the electricity cutting switch is pressed, and an electric cutter head generates high frequency electric cutting current;

操作时，按动电切开关，电刀头即产生电切高频电流；