查询词典 boring block

To get the best drill auger, a set of model drill auger and related test device were designed and manufactured. By choosing appropriate material as boring medium, a series of model test of drill auger boring into cement soil were done to study the impact of pattern of the drill auger and the screw-pitch on the holeforming torque.

为得到最优的螺旋挤扩钻头型式，设计加工了不同型式的模型钻头及相关试验装置，并选择合适的材料作为钻入介质，通过不同型式模型钻头的钻入试验，研究了钻头螺距、螺纹形状等参数对钻头成孔扭矩的影响。

this article is research of application of 3d design software ug carries on the components entity design and movement analysis to the boring lathe main axle system.through the method of virtual design and analysis, obtains the design manufacture or the optimized design reference information and data .first complete the boring lathe main axle system's entity components modelling and assembles using the ug formidable entity modelling function and the assembly function,and then establishes the scenario model under the ug organization analysis function module and completes the movement to analyze.obtains on the main axle components the specified point speed, the acceleration and the displacement on a ideal characteristic parameter and output analysis result of obtains office of destination law of motion by the graph form.

本文是应用3维软件ug对镗床主轴系统进行0件实体设计和运动分析的研究。通过虚拟设计的方法进行设计与分析，得到设计制造或者优化设计的参考信息和数据。应用ug强大的实体造型功能和装配功能首先完成镗床主轴系统的实体0件建模和组装，再对装配好的组件在ug机构分析功能模块下建立scenario模型并完成运动分析，得到主轴0件上特定点的速度、加速度和位移等理想的特征参数并以图表的形式输出分析结果得到指定点的运动规律。

Test combinations tipping platform, laboratory basic platform, electrical test bench, round platform, floor boring machine table, boring and milling machine table, vertical table, gantry milling bed table, resin sand cast iron bed, column, mold plate and other large castings.

检验组合接装平台、实验室基础平台、电机试验台、圆平台、落地镗床工作台、镗铣床工作台、立式工作台、龙门铣刨床工作台、树脂砂铸铁床身、立柱、模具垫板等大型铸件。

Comparing with boring bar,numerical results reveal that boring bar with dynamic absorber has the effect of vibration decrease.

通过和普通镗杆对比分析，结果表明动力减振镗杆有效地达到了减振效果。

Processing needs boring bar diameter 160 ~ 250mm floor of CNC boring and milling machine and large-scale horizontal machining center, gantry machining centers, machining accuracy are higher, and at present is still mainly use imported equipment.

加工需要镗杆直径约160～250mm的数控落地铣镗床和大型卧式加工中心、龙门加工中心等，加工精度要求较高，目前主要使用的仍是进口设备。

Modeling and derivation mathematics result of the use of Matlab software Simulation tests of its accuracy and error analysis, to verify the measurement of two boring bar/boring displacement signal the feasibility of the entire system, so as to the smooth development has laid a theoretical foundation.

介绍了两点法测量镗刀位置信号的方案构思，采用最小二乘法对镗杆的圆度误差和被测圆面的偏心量进行了建模计算，并对数学推导的结果利用Matlab软件进行仿真检验，对其精度和误差作了分析，验证了两点法测量镗杆／镗刀位移信号的可行性，从而为整个系统的顺利开发奠定了理论基础。

A sample analysis is given, and the stress distribution within the boring bar and the maximum deflection are obtained under a given cutting condition, at the same time, the comparative analysis with a common type boring bar with the same size is pursued.

给出了分析实例，得到了该种镗刀杆在给定切削条件下的应力分布以及最大挠度并与相同尺寸的普通镗刀杆进行了对比分析。

The only major difference is that boring jigs are normally fitted with a pilot bushing or bearing to support the outer end of the boring bar during the machining operation.

唯一最重要的差别是镗夹具一般用于控制衬套，或者在机器操作时支撑镗杆的外端。

The outer diameter of the boring bar is strictly limited by the size of the bored hole. In order to solve this problem, the first new structural micro-boring bar system with the function of active error compensation was developed.

在车削、铣削和磨削等外表面加工中，误差补偿用微进给刀架的结构形状、尺寸和体积都没有严格的限制，误差检测传感器和补偿驱动传感器能够方便地安装在微进给刀架内。

One kind of PCD boring tool and a fine adjustment boring bar,which are suitably used in precision finishing the surface of pinhole of combustion engine piston,are introduced.

介绍了一种适用于发动机活塞销孔表面精镗加工用聚晶金刚石镗刀和可微调刀具尺寸的精密微调镗杆，该镗刀和镗杆组合具有较高的加工精度和表面粗糙度精度以及调整方便、使用寿命长的特点。

Yet, Edith says, there was always money in the bank.

但是Edith说，她的银行户口里面总是有钱。

We have created a series of files that resolve this problem--one for each day of the 40 days of purpose.

我们制作一系列的档案去解决这问题---一个为标竿40天中的每一天。