刀轴

Based on the analysis of the key components of disc ditcher, the maximum lift height of the rotary blade shaft and the minimum size of the elevating device as the objective functions were introduced to establish a nonlinear mathematical model satisfiable to multiple constraint conditions of mechanical structure and agronomic demands.

为了解决圆盘开沟机在下地、过梗、爬坡过程中出现的旋耕刀易破损、刀盘支架易变形等问题，通过对其关键部件的分析研究，以刀盘轴最大提升高度和升降装置最小尺寸为目标函数建立数学模型；用Matlab软件对其结构尺寸进行参数优化。

Key components installed ink, adjust the blade support shaft section of copper Cap nut, the blade front-end on either side of half-round slot is placed in the kuyto specialadhesive Groove at the antileakage gum, tighten the screws, the installation is complete with rubber extrusion antileakage blade, the two-blade antileakage glue between the slot from semicrcular extpuded, producing gum in the column so that you can more effectively prevent ink seepage.

在安设不朱键组件时，调动不朱刀支架轴段的铜螺帽，不兵不朱刀前端两侧的半圆槽安插在托不活胶槽处的防漏胶上，拧不松变动螺丝，安设达成后用不朱刀挤压防漏胶，不兵两不朱刀之间的防漏胶从半圆槽洋挤出，爆发胶柱，这样不离可以更灵验不天避免油不朱渗漏。

A set of curved lawn-mower blades that rotate around a bar parallel to the ground, cutting grass while moving against a stationary straight blade.

螺旋状刈草刀：弯曲的刈草机上沿与地面平行的轴旋转的刀，在切草的同时围绕一支静止的竖刀旋转 v.tr。

Aiming at the fracture in operation of damageable pump shaft used on locomotive, macroscopic and microscopic analysis of the pattern of fractured cross section in pump shaft is conducted and it is recognized that the fracture is typically caused by combined action of bending and torsion fatigue.

针对机车用水泵轴在使用中容易发生断裂的问题，对水泵轴断口的宏观和细观形貌进行了分析，认为断口为典型的弯扭复合疲劳断口。通过检测水泵轴上装配的齿轮，发现由于齿轮的加工误差过大，在轴的退刀槽根部造成了较大的附加拉应力，最终导致轴的断裂。因此及时消除齿轮的加工误差，同时提高安装精度，是防止此类断裂发生的关键

A circle shear device for cutting holes in sheet metal as in claim 1 wherein: a said upper center shaft includes a first platform member disposed rotatably connected adjacent a lower end of said upper center shaft for supporting a top surface of said provided metal sheet; b said lower center shaft includes a second platform member disposed rotatably connected adjacent an upper end of said lower center shaft for supporting a bottom surface of said provided metal sheet; and c said upper and lower support platform members engaging top and bottom surfaces of said provided metal sheet to prevent metal sheet movement when said cutter wheels are brought into shearing contact with said provided metal sheet.

一个圈剪切装置切割孔金属板材作为权利要求1 ，其中： A ）表示，上中心轴，包括第一次会员平台弃置rotatably连接相邻较低月底上说，中心轴为支持一个顶面的表示，提供金属板材； B ）表示，较低的中心轴，包括第二个平台会员弃置rotatably连接相邻上月底表示，较低的中心轴为支持一个底部表面的说，提供金属板材； C ）表示，上，下支撑平台成员从事顶部和底部表面的表示，提供金属板，以防止金属板运动时说，刀车轮被带入剪切接触说，提供金属板材。

This consists of a base, which is mounted on the cross slide so that it can be pivoted about a vertical axis, and an upper casting.

大多数车床的刀架安装在复式刀座上，刀座上有底座，底座安装在横拖板上，可绕垂直轴和上刀架转动。

In operation, a annular cutting knife moves forward to cut off the knife anvil (4),and when the annular cutting knife moves backward, it carries off the inner ring of the knife anvil (4), the elastic locking piece (5) is springed back and replaced.

手术时，环形切刀向前运动切断刀砧、后退时把刀砧内圈带走，弹性锁片发生回弹复位，在各种辅助机构的配合下，钉砧环便可以绕着钉砧轴发生翻转。

In the left tool carriage, the ball leadscrew、the servo motor and single gear reducer were displaced,and the coordinated movement about X and Z axis could be implemented by semi-closed loop control of SINUERRIK 802D numerical system.

左刀架采用滚珠丝杠、伺服电机和一级齿轮减速，并利用SINUMERIK 802D数控系统的半闭环控制实现左刀架的X轴和Z轴联动控制，机床改造后，大大扩大了机床的加工范围，同时提高了生产效率和加工精度。

Feed system uses open-loop control, stepper motor driven by the slowdown after the ball screw. driven Tool for horizontal and vertical movement; After transformation, the introduction of automatic lathe transfer Tool for automatic tool change function; To achieve automatic screw machining, in the original round of the initiative pegged to the installation of the axis of photoelectric pulse generator.

进给系统采用开环控制，由步进电机经减速后驱动滚珠丝杠，带动刀架进行横向和纵向运动；改造后的车床采用自动转位刀架实现自动换刀功能；为了实现自动螺纹切削加工，在原挂轮主动轴处安装了光电脉冲发生器。

This paper presents the Machining Tool geometry of the former flank, the main flank, flank, the main cutting edge, Under the cutting edge tip cutting plane, the main section, the former Kok, horn, wedge angle edge angle, pointed knife, the blade angle, vice horn, Under the Frontier concept, the concept of cutting consumption, and the general circumstances of their choice method for processing slender shaft. cast iron materials, aluminum, stainless steel, rubber materials, plexiglass material, cloth bakelite materials, high temperature alloys, aluminum-magnesium alloy, hardened steel, the typical trapezoidal thread, the thread Triangle, Speaking at the trapezoidal screw thread pitch of the Tool geometry of the selection methods and cutting the amount of cutting fluids reasonable choice.

本文介绍了在机械加工中车刀几何角度中的前刀面、主后刀面、后刀面、主切削刃、副切削刃刀尖切削平面、主截面、前角、后角、楔角主偏角、刀尖角、刃倾角、副后角、副前角的概念、切削用量的概念、以及一般情况下的它们的选择方法，进行加工细长轴、铸铁材料、铝合金、不锈钢、橡胶材料、有机玻璃材料、夹布胶木材料、高温合金、铝镁合金、淬火钢、典型梯形螺纹、三角螺纹、特在螺距的梯形螺纹等的车刀几何角度的选取方法切削用量及切削液的合理选择。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。