drill bit

Carbide welded taper shank core drill cone type roller bearing rock bit

硬质合金焊接式锥柄扩孔钻滚柱轴承锥形牙轮钻头

Research of Structure and Performance of Diamond Core Drill Bit Superfine Base Powder Segments

超细基粉金刚石薄壁套筒钻胎体的组织性能研究

Analysis on the influence of alloying and heat treatment on drill bit materials

合金化及热处理对钻头材料影响之评析

This sharpener is applicable to sharpening of such cutting tools as mill cutter, reamer, and drill bit, etc.

本磨刀器适用于立铣刀、铰刀 、 钻头等多中刀具的磨削,结构简单 、 操作方便、经久耐用.

Laser Welding of Diamond Core Drill Bit of Superfine Powder Base Segments

激光焊接超细基胎体金刚石薄壁钻

Lower Wearing of Drill Bit and Punching Die.

机械加工性优秀,对钻孔、冲模磨损小.

Get the special drill bit to bore the correct-size hole for the job.

做这个活儿要拿个特殊的钻头来钻个大小合适的孔。

Elastic graphite die design about hot pressing thin wall diamond drill bit

薄壁金刚石钻头热压弹性石墨模具设计

Treatment Technique of Drilling Fluid for the Use of PDC Drill Bit

使用PDC钻头钻井液处理技术

The small drill bit is easy to show sign of wear and tear in mechanical manufacture.

在机械制造中，小钻头容易破损。

In this paper, trial-manufacture and application of sandwich structure on diamond drill bit were studied.

采用 冷压 成型夹层和加灰(过渡层)热压烧结法制备了一种夹层结构金刚石钻头.

The Application of Expert System in Drill Bit Design and Use

专家系统在钻头设计及使用中的应用

Current status in the development of drill bit grease

钻头润滑脂的发展现状

Review on drill bit selection methods

钻头选型方法综述

Study to Optimization Design for Hydraulic Parameters of PDC Drill Bit

PDC钻头水力参数优化设计研究

A drill bit used for obtaining core samples in concrete or rock formations.

钻头被用来在水泥或岩层获取岩芯样品.

Application effect of coal mining drill bit jetting mud from bottom

底喷采煤钻头的使用效果

Technique and Performance of Laser Welding Diamond Core Drill Bit

激光焊接金刚石薄壁钻工艺与性能

Study on bond and diamond of diamond core drill bit for reinforced concrete

钢筋混凝土金刚石薄壁钻头用结合剂及金刚石的研究

Heat treatment experiment research of pneumatic percussive drill bit for geophysical explore

物探气动冲击钻头热处理工艺试验研究

A two foot-long drill bit tipped the end of a brontosaurus-like creature's long neck.

一枚两英尺长的钻头在一头 状 似雷龙的大家伙的长颈一端咬了一口.

Laser Welding Technology and Equipment of Diamond Core Drill Bit

薄壁金刚石工程钻头激光焊接技术及装备

Parameter Measurement and Transmission of the Drill Bit for Horizontal Directional Drilling

水平定向钻进钻头信息的测量与传输

This revisits and old drill called 360 Dolphin Rotation that we posted a few years ago, but is now a bit more integrated into the sequence.

这个回顾了遗产税和旧钻称为旋转360海豚几年前公布的，但现在是多一点融入序列。

In pace with the perfection of performance and model number of bottom-hole power drill tool, moreover concentrated PDC bit fitting for different formation is growing vigorously, compound drilling technique can be large-scale applied and disseminated.

随着井下动力钻具性能、型号的完善，再加上适合各种地层的高效PDC钻头的蓬勃发展，复合钻井技术大规模推广应用的时代已经到来。

Uses the special die head , may the diamond drill bit agglutination on the lining.

采用特殊模头, 可以将水钻粘合在面料上.

Research on a mathematical model of deep-well drilling process control based on wearing function of drill bit

基于钻头磨损函数的深井钻进过程控制数学模型的研究

The drill bit forces the actuating lever down and centres the guide plate.

钻头趋势驱动杠杆向下并且对中导向板.现在就可以拧紧螺栓.

The Design and Make of a Small Drill Bit

小钻头设计与制造的改进

A diagrammatic method for drilling characteristics of formation anisotropy and drill bit

钻头和地层各向异性钻井特性的一种表达方法