专业英语在线翻译

Question

Milling Machine

Labeled Photograph
Description
Trimming the Head
Squaring the Vise
Types of Milling Cutters
Removing and Installing End Mills
Climb vs. Conventional Milling
Calculating Speeds and Feeds
Setting Spindle Speed
Using an Edge Finder
Using the Micrometer Dials
Squaring Stock
Face Milling
Milling Slots
Advanced Work Holding

Description
Milling machines are very versatile. They are usually used to machine flat surfaces, but can also

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produce irregular surfaces. They can also be used to drill, bore, cut gears, and produce slots. The type of milling machine most commonly found in student shops is a vertical spindle machine with a swiveling head. Although there are several other types of milling machines, this document will focus only on the vertical milling machine.

A milling machine removes metal by rotating a multi-toothed cutter that is fed into the moving work piece. The spindle can be fed up and down with a quill feed lever on the head.

The bed can also by feed in the x, y, and z axes manually. In this clip the z axis is adjusted first, then the y, than the x .

Once an axis is located at a desired position and will no longer be fed, it should be locked into position with the gibb locks.

Most milling machines are equipped with power feed for one or more axes. Power feed is smoother than manual feed and, therefore, can produce a better surface finish. Power feed also reduces operator fatigue on long cuts. On some machines, the power feed is controlled by a forward reverse lever and a speed control knob.

Trimming the Head

The head of a vertical milling machine can be tilted form side and from front to back. This allows for versatility of the machine, but these adjustments can drift. Occasionally, one should check and adjust the head so that the spindle will be normal to the plane of the table. Install a dial indicator probe is facing down. Lower the spindle until the dial indicator contacts the table then registers about one half of a revolution. Set the dial indicator is toward you and set the bezel to zero. Rotate the spindle by hand 180 degrees. If the dial indicator still reads zero, the spindle is aligned front to back. If not, adjust the head until the dial reads half of the original reading and iterate the entire process until the error falls within acceptable limits. Repeat the process with the dial displaced left and right to alight the head side to side.
Squaring the Vise

Answer 1

铣床

标记照片
描述
修剪头
磨边夹具
铣刀的种类
卸下和安装铣刀
攀登主场迎战常规铣削
计算速度和饲料
设定主轴转速
使用寻边器
使用微米拨打
磨边股票
面铣刀
铣槽
先进的工作控股

描述
铣床的用途很广。它们通常用于机械平坦的表面，但也可以

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产生不规则的表面。它们也可以用来钻，内孔，切齿轮，并产生插槽。在铣削中最常用的机器类型的商店随处可见学生是一个垂直的轴旋转头机一。虽然有一些其他类型铣床，该文件将只集中于立式铣床。

阿铣床删除由旋转多齿刀是将工件移动喂食金属。主轴可受够了上下同在头上羽毛饲料杠杆。

在X，Y和Z轴手动床还可以通过饲料。这个片段中的Z轴调整，再y轴，比十。

一旦一轴位于一个理想的位置，将不再是美联储，它应该被锁定在与吉布锁位置。

大部分机器都配备了铣削力的一个或多个轴的饲料。功率比人工饲料饲料是平滑的，因此，可以产生更好的表面光洁度。电力饲料也减少了对长期削减操作员的疲劳。在一些机器，电力饲料是控制向前反向杠杆和速度控制旋钮。

修剪头

建立垂直铣床头可以倾斜的形式从正面和侧面来支持。这使得对机器的多功能性，但这些调整可以漂移。有时，一应检查和调整，使主轴头将正常的表的飞机。安装拨号指标探头朝下。降低主轴，直到接触百分表表然后注册大约三分之一的革命一半。设置拨号指标是对你和边框设置为零。主轴旋转180度的手。如果拨号指标仍然读取零，主轴对齐从前到后。如果不是，调整读取头，直到拨了一半，原来阅读遍历整个过程，直到错误属于可接受的范围。重复与流离失所拨号过程左，右下车头部一侧到另一侧。
磨边夹具

Answer 2

铣床

标记的照片
描述,
削减了头
围绕着这个危机
不同类型的铣刀
铣刀清除和安装
与传统铣。爬
计算速度和饲料
主轴转速设置
使用一个寻边
用千分尺刻度
与股票
面铣削
铣槽
先进的工作

描述,
铣床非常多才多艺。他们通常用机器的平面上,但也可以导致不规则的表面。他们也可以用于钻、钻孔、切槽的齿轮,和生产。这个类型的铣床最常见于学生商店是一种垂直主轴机和争执。尽管有很多其他类型的铣床,这份文件将仅仅聚焦于垂直铣床。

一个铣床解除了multi-toothed金属旋转刀具输入移动工件。主轴能有一根羽毛饲料杠杆的头。

在床上也可以通过在x,y,z轴手动操作。在这个夹轴调整之后,y,比x。

一旦一个轴坐落在一个理想职位,不再被喂食,它应该被关进位置与gibb锁。
大多数铣床配备给一个或多个轴。供电是手工光滑,所以可以生产出更好的表面光洁度。供电也减少了操作员的疲劳长的口子。在一些机械、电力饲料是由一个前锋反向杠杆和一个速度控制钮。
削减了头

头一个垂直铣床可以倾斜的形式,由前回来。这使得机器的多样化,但这些调整可以漂移。偶尔,应该检查和调节头,使主轴会正常的飞机。安装一个刻度探头降服。较低的主轴,直到拨接触表指示器约一半,然后寄存器的一场革命。把表盘指示器是向你并设置面板为零。用手转动主轴180度。如果拨零,还读指标的主轴是对齐的。如果不是,调整头部的拨到原来的一半读读书和迭代的整个过程,直到误差落在可接受的限度。重复这个过程与拨左边和右边下车流离失所的头。
围绕着这个危机

Answer 3

微波介质材料的介电常数的测量，由于其具有和航空航天、新材料的研制、卫星遥感以及微波通信等方面密切相关而引起人们越来越多的关注，同样微波技术也得到了发展和应用。
The
gauging
of
dielectric
constants
in
microwave
dielectric
materials
has
stirred
up
more
and
more
attention
because
of
its
closely
related
connection
with
the
aerospace
industry,
innovative
material
development,
satellite
remote-sensing
and
microwave
communications;
and
similar
attention
is
also
focused
on
the
development
and
application
of
microwave
technology.
本文介绍了微波谐振腔的基本原理、微波谐振腔基本指标，具体阐述了矩形微波谐振腔结构、最基本的模式矩形谐振腔
模和
模的场结构，以及微波谐振腔微扰理论和具体的腔内介质微扰，从而整理出介电常数测量的一般理论即微波谐振腔微扰法测量介电常数的理论方法。表明这种非接触式测量理论具有操作相对简单、所需样品量少、计算精度高、应用范围广，尤其适合于低损耗介质介电常数的计算。
This
article
explains
the
basic
principles
and
essential
index
of
microwave
cavity
resonator
and
specifically
describes
the
structure
of
rectangular
shaped
microwave
cavity
resonator,
and
the
most
basic
mode
and
mode
field
structures,
as
well
as
the
perturbation
theory
of
microwave
cavity
resonator
and
the
specific
dielectric
perturbation
in
its
cavity,
so
as
to
sort
out
a
general
theory
for
the
gauging
of
dielectric
constants,
in
other
words,
a
theoretical
methodology
for
gauging
dielectric
constants
by
applying
the
microwave
cavity
resonator
perturbation
method.
This
article
indicates
that
this
non-contact
mode
gauging
theory
has
the
advantages
of
simple
operation,
fewer
sample
requirements,
high
precision
calculations
and
wide
application
scope,
particularly
suitable
for
the
calculation
of
dielectric
constants
of
low
loss
dielectric.