ZZM-A drill grinder simple structure, easy operation. One setup to complete grindings on drill web and chisel edge.

头磨刀机结构简单，使用方便，一次装夹就可以完成头的尖和横刃的修磨。

Sinter type fastigiate-handle drills:Use for drilling hard and brickle material,...

简 介: 烧结头：适用于玻璃、陶瓷等硬性材料的孔。

In this paper,a new small-sized bit is introduced.The bit is mainly composed of a biassed polyconic cutter,a cylindric roller and two bit legs.

文章介绍了一种新小尺寸头，它主要由一个偏的多形牙轮和一个圆柱形滚轮及两个牙掌组成。

The deep formation has a high degree of hardness and abrasivity;the bit type selection is difficult and the ROP is low especially under the high density mud.

深部井段地层的硬度高、研磨性强，头难，特别是在高密度条件下机械速低。

Fluid is conveied to bit nozzel through drill string from pump is a transient state flowing with pressure wave, which makes the fluid jetted out from nozzel has certain pulsation.

从井泵经过柱内部输送到头喷嘴的流体是一种瞬态流动，存在着压力行波，使从普通喷嘴射出的流体有一定程度的脉动。

ZZM-A drill grinder simple structure, easy operation. One setup to complete grindings on drill web and chisel edge.

型头磨刀机结构简单，使用方便，一次装夹就成头的尖和横刃的修磨。

Sinter type fastigiate-handle drills:Use for drilling hard and brickle material,...

简 介: 烧结锥柄头：适用于玻璃、陶瓷等硬性材料的孔。

In this paper,a new small-sized bit is introduced.The bit is mainly composed of a biassed polyconic cutter,a cylindric roller and two bit legs.

文章介绍了一种新型小尺寸头，它主要由一个偏的多锥形牙轮和一个圆柱形滚轮及两个牙掌组成。

The deep formation has a high degree of hardness and abrasivity;the bit type selection is difficult and the ROP is low especially under the high density mud.

深部段地层的硬度高、研磨性强，头选型困难，特别是在高密度条件下机械速低。

Fluid is conveied to bit nozzel through drill string from pump is a transient state flowing with pressure wave, which makes the fluid jetted out from nozzel has certain pulsation.

泵经过柱内部输送到头喷嘴的流体是一种瞬态流动，存在着压力行波，使普通喷嘴射出的流体有一定程度的脉动。

ZZM-A drill grinder simple structure, easy operation. One setup to complete grindings on drill web and chisel edge.

型磨刀机结构简单，使用方便，次装夹就可以完成的尖和横刃的修磨。

Sinter type fastigiate-handle drills:Use for drilling hard and brickle material,...

简 介: 烧结锥柄：适用于玻璃、陶瓷等硬性材料的孔。

In this paper,a new small-sized bit is introduced.The bit is mainly composed of a biassed polyconic cutter,a cylindric roller and two bit legs.

文章介绍了种新型小尺，它主要由偏的多锥形牙轮和柱形滚轮及两牙掌组成。

The deep formation has a high degree of hardness and abrasivity;the bit type selection is difficult and the ROP is low especially under the high density mud.

深部井段地层的硬度高、研磨性强，选型困难，特别是在高密度条件下机械速低。

Fluid is conveied to bit nozzel through drill string from pump is a transient state flowing with pressure wave, which makes the fluid jetted out from nozzel has certain pulsation.

从井泵经过柱内部输送到喷嘴的流体是种瞬态流动，存在着压力行波，使从普通喷嘴射出的流体有定程度的脉动。

ZZM-A drill grinder simple structure, easy operation. One setup to complete grindings on drill web and chisel edge.

型头磨刀机结构，用方便，一次装夹就可以完成头的尖和横刃的修磨。

Sinter type fastigiate-handle drills:Use for drilling hard and brickle material,...

介: 烧结锥柄头：适用于玻璃、陶瓷等硬性材料的孔。

In this paper,a new small-sized bit is introduced.The bit is mainly composed of a biassed polyconic cutter,a cylindric roller and two bit legs.

文章介绍了一种新型小尺寸头，它主要由一个偏的多锥形牙轮和一个圆柱形滚轮及两个牙掌组成。

The deep formation has a high degree of hardness and abrasivity;the bit type selection is difficult and the ROP is low especially under the high density mud.

深部井段地层的硬度高、研磨性强，头选型困难，特别是在高密度条件下机械速低。

Fluid is conveied to bit nozzel through drill string from pump is a transient state flowing with pressure wave, which makes the fluid jetted out from nozzel has certain pulsation.

从井泵经过柱内部输头喷嘴的流体是一种瞬态流动，存在着压力行波，从普通喷嘴射出的流体有一定程度的脉动。

ZZM-A drill grinder simple structure, easy operation. One setup to complete grindings on drill web and chisel edge.

型钻头磨刀机结构简单，使用方便，一次装夹就可以完成钻头的钻尖和横刃的修磨。

Sinter type fastigiate-handle drills:Use for drilling hard and brickle material,...

简 介: 烧结锥柄钻头：适用于玻璃、陶瓷等硬性材料的钻孔。

In this paper,a new small-sized bit is introduced.The bit is mainly composed of a biassed polyconic cutter,a cylindric roller and two bit legs.

文章介绍了一种新型小尺寸钻头，它主要由一个偏的多锥形牙轮和一个圆柱形滚轮及两个牙掌组成。

The deep formation has a high degree of hardness and abrasivity;the bit type selection is difficult and the ROP is low especially under the high density mud.

深部井段地层的硬度高、研磨性强，钻头选型困难，特别是在高密度条件下机械钻速低。

Fluid is conveied to bit nozzel through drill string from pump is a transient state flowing with pressure wave, which makes the fluid jetted out from nozzel has certain pulsation.

从钻井泵经过钻柱内部输送到钻头喷嘴的体是一种瞬态，在着压力行波，使从普通喷嘴射出的体有一定程度的脉。

ZZM-A drill grinder simple structure, easy operation. One setup to complete grindings on drill web and chisel edge.

型钻头磨刀机结构简单，使用方便，一次装夹就可以完成钻头钻尖和横刃修磨。

Sinter type fastigiate-handle drills:Use for drilling hard and brickle material,...

简 介: 烧结锥柄钻头：适用于玻璃、陶瓷等硬性钻孔。

In this paper,a new small-sized bit is introduced.The bit is mainly composed of a biassed polyconic cutter,a cylindric roller and two bit legs.

文章介绍了一种新型小尺寸钻头，它主要由一个偏多锥形牙轮和一个圆柱形滚轮及两个牙掌组成。

The deep formation has a high degree of hardness and abrasivity;the bit type selection is difficult and the ROP is low especially under the high density mud.

深部层硬度高、研磨性强，钻头选型困难，特别是在高密度条件下机械钻速低。

Fluid is conveied to bit nozzel through drill string from pump is a transient state flowing with pressure wave, which makes the fluid jetted out from nozzel has certain pulsation.

从钻泵经过钻柱内部输送到钻头喷嘴流体是一种瞬态流动，存在着压力行波，使从普通喷嘴射出流体有一定程度脉动。

ZZM-A drill grinder simple structure, easy operation. One setup to complete grindings on drill web and chisel edge.

型钻头磨刀机结构简单，使用方便，一次装夹就可以完成钻头钻尖和横刃修磨。

Sinter type fastigiate-handle drills:Use for drilling hard and brickle material,...

简 介: 烧结锥柄钻头：适用于玻璃、陶瓷等料钻孔。

In this paper,a new small-sized bit is introduced.The bit is mainly composed of a biassed polyconic cutter,a cylindric roller and two bit legs.

文章介绍了一种新型小尺寸钻头，它主要由一个偏多锥形牙轮和一个圆柱形滚轮及两个牙掌组成。

The deep formation has a high degree of hardness and abrasivity;the bit type selection is difficult and the ROP is low especially under the high density mud.

深部井段度高、研磨强，钻头选型困难，特别是在高密度条件下机械钻速低。

Fluid is conveied to bit nozzel through drill string from pump is a transient state flowing with pressure wave, which makes the fluid jetted out from nozzel has certain pulsation.

从钻井泵经过钻柱内部输送到钻头喷嘴流体是一种瞬态流动，存在着压力行波，使从普通喷嘴射出流体有一定程度脉动。

ZZM-A drill grinder simple structure, easy operation. One setup to complete grindings on drill web and chisel edge.

型钻头磨刀机结构简单，使，一次装夹就可以完成钻头的钻尖和横刃的修磨。

Sinter type fastigiate-handle drills:Use for drilling hard and brickle material,...

简 介: 烧结锥柄钻头：适于玻璃、陶瓷等硬性材料的钻孔。

In this paper,a new small-sized bit is introduced.The bit is mainly composed of a biassed polyconic cutter,a cylindric roller and two bit legs.

文章介绍了一种新型小尺寸钻头，它主要由一个偏的多锥形牙轮和一个圆柱形滚轮及两个牙掌组成。

The deep formation has a high degree of hardness and abrasivity;the bit type selection is difficult and the ROP is low especially under the high density mud.

深井段地层的硬度高、研磨性强，钻头选型困难，特别是在高密度条件下机械钻速低。

Fluid is conveied to bit nozzel through drill string from pump is a transient state flowing with pressure wave, which makes the fluid jetted out from nozzel has certain pulsation.

从钻井泵经过钻柱送到钻头喷嘴的流体是一种瞬态流动，存在着压力行波，使从普通喷嘴射出的流体有一定程度的脉动。

ZZM-A drill grinder simple structure, easy operation. One setup to complete grindings on drill web and chisel edge.

钻头磨刀机结构简单，使用方便，一次装夹就可以完成钻头的钻尖和横刃的修磨。

Sinter type fastigiate-handle drills:Use for drilling hard and brickle material,...

简 介: 烧结锥柄钻头：适用于玻璃、陶瓷等硬性材料的钻孔。

In this paper,a new small-sized bit is introduced.The bit is mainly composed of a biassed polyconic cutter,a cylindric roller and two bit legs.

文章介绍了一小尺寸钻头，它主要由一个偏的多锥形牙和一个圆柱形两个牙掌组成。

The deep formation has a high degree of hardness and abrasivity;the bit type selection is difficult and the ROP is low especially under the high density mud.

深部井段地层的硬度高、研磨性强，钻头选困难，特别是在高密度条件下机械钻速低。

Fluid is conveied to bit nozzel through drill string from pump is a transient state flowing with pressure wave, which makes the fluid jetted out from nozzel has certain pulsation.

从钻井泵经过钻柱内部输送到钻头喷嘴的流体是一瞬态流动，存在着压力行波，使从普通喷嘴射出的流体有一定程度的脉动。

ZZM-A drill grinder simple structure, easy operation. One setup to complete grindings on drill web and chisel edge.

型钻头磨刀机结构简单，使用方便，一次装夹就可以完成钻头的钻尖和横刃的修磨。

Sinter type fastigiate-handle drills:Use for drilling hard and brickle material,...

简 介: 烧结锥柄钻头：适用于玻璃、性材料的钻孔。

In this paper,a new small-sized bit is introduced.The bit is mainly composed of a biassed polyconic cutter,a cylindric roller and two bit legs.

文章介绍了一种新型小尺寸钻头，它主要由一个偏的多锥形牙轮和一个圆柱形滚轮及两个牙掌组成。

The deep formation has a high degree of hardness and abrasivity;the bit type selection is difficult and the ROP is low especially under the high density mud.

深部井段地层的、研磨性强，钻头选型困难，特别是在密条件下机械钻速低。

Fluid is conveied to bit nozzel through drill string from pump is a transient state flowing with pressure wave, which makes the fluid jetted out from nozzel has certain pulsation.

从钻井泵经过钻柱内部输送到钻头喷嘴的流体是一种瞬态流动，存在着压力行波，使从普通喷嘴射出的流体有一定程的脉动。