自营VT130E3-U4400卡件模块TOSHIBA备件

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VT130E3-U4400  nother advantage is that ABB's unique hori-
zontal load cell - seifiallyl designed to measure
this force component - provides stifness levels
and overload tolerances in all force directions that
are significantly greater than what can be achieved
with vertical load-cells.
Solid stainless steel construction combines
sensitivity and accuracy with exceptional rugged-
ness and high spring constant.' The units tolerate
overloads up to ten times their nominal capacity,
and combined with the elecronics are designed
to provide stable output even when subjected to
intense vibration.
Four different models, with force measure-
ment capacities ranging from 0.5 kN (112 Ibs.)
to 100 kN (22,500 lbs.), make up the family of
horizontal load cells (PFTL 201 and PFTL 101). .
Each model is available in several nominal loads;
the family can cover the highest tension levels
encountered in any industry.
Two versions of the PFTL 201 are available:The standard version PFTL 201C/D equipped
with Cannon connector for the connection
cable.Furthermore, low transducer impedance - less
then a couple of ohms - helps eliminate suscep-
tibility to radio frequency and elecromagnetic
interference.

PressductorP差异

与ABB基于Pressductor的其他称重传感器一样

技术，枕式称重传感器依赖ectto-

传感器中的磁性变化，而不是物理变化

以感测卷筒纸张力的波动。

Pressductor“技术操作原理

在称重传感器中提供了卓越的改进

性能特征，包括可靠性

（特别是没有drif）、耐久性、可重复性、，

以及更宽的测量范围。

由实心钢块加工而成

称重传感器坚固耐用，应力强度因子高

过载保护和扩展mea-

额定容量以上的测量范围。和

它们甚至不会导致机器振动

在高速下。

由于传感器动作-磁性

通量-发生在钢芯内部，环境-

污垢或液体等金属因素不会降低性能-

性能和可靠性。

此外，传感器阻抗低

然后几欧姆-有助于消除suscep-

射频和电磁兼容性

干扰
How the Measurement Signal Is Generated
Two commonly used transducer types - the strain
gauge and the LVDT transducer - rely on physi-
cal movement in the
transducer to produce a
measurement signal (see
Strain gange: Sretching alers drawings). Stretching，
reistance of ectrial circuits. compression or bending
motions are prerequisites for signal generation.
ABB's exclusive Pressductor Transducer produces
a signal as a result of changes in an electromagnetic
field. This operat-
ing principle has its
。
origin in a melallur-
8
gical phenomenon
according to which
mechanical forces
LVDT: Movement ofpiston causes
alter the capacity of
signal change in output coils.
some steels to convey magnetic flux.
Two perpendicular windings of copper wire around
a steel core combine to provide the transducers mea-
surement signal. A
magnetic field is created
in one of the windings,
sized so there is no
magnetic coupling
between them.
When the transducer
Pesductor Tecbmology:
is subjected to a force,
Mechanial fore alters mag the magneic feld pati-
netic. field.
tern changes. A por-
tion of the field couples with the second winding and
induces an AC vltage. This vltage - a comparatively
strong transducer signal that is proportional to the force
- is converted by the load cell system's electronics into
the system output.
Extended-Range
Designers appreciate...
Selecting and sizing load cells
Operation
V Remarkably high spring constant
Two types of ABB PillowBlock load cells are
An extended range
V Wide measurement range
designed for either conventional vertical force
of measurement
v High rliabiliy
measurement or to sense the horizontal force
beyond the nomi-
component that may arise as the processed mate-
nal load alows the
Operators value a load cell with...
rial partially wraps around a- measurement roll.
PillowBlocks to be
V No drift
Using the "horizontal" load cells can be quite
sized for normal, as
v No recalibration
advantageous. By design, they can be made excep-
opposed to maximum,
V No failures
tionally sturdy, rugged, and stiff. So, requirements
tension levels. As a
v High rliabiliy
for recalibration, other maintenance, or replace-
result, they permit
ment are negligible, and they won't contribute to
greater application
Measurement essentials
machine vibration. Since they don't measure the
flibility on the web
Keeping the tension constant in sheet or web
tare weight, but just the horizontal force compo-
processing machinery. processes is essential for high product quality and
nent of the web tension, they can be sized smaller
productivity. Continuously measuring the ten-
than otherwise possible, measuring tension with
sion is an obvious prerequisite for tension control.| greater accuracy.
Drives and operator instruments need quick and
Application requirements may dictate the
accurate input to regulate tension levels and mon-| selection of a“vertical” load cell. But whenever an
itor machine performance.
adequate horizontal force component is present
Most web processing lines put a premium on
(or can be developed), the horizontal cell should
long-term reliability, in addition to accuracy and
be considered.
overall performance. The measurement system,
after all, is the front line of machine control,
exposed to all the rigors of the operating environ-
ment. The costs associated with downtime and
poor product bring out the true value of is com-
ponents.
Quality measurement technology for superior
tension control that will keep your processing
lines productive and producing top -notch out-
put.. that's what you can expect from us. We're
entirely devoted to providing process measure-
ment systems and services, and we have 50 years
of experience in the field. We're the experts in web
and strip tension as well as force measurement for
vitually any purpose.
扩展范围

设计师欣赏。。。

称重传感器的选择和尺寸

活动

V极高的弹簧常数

ABB枕式称重传感器有两种类型：

扩展的范围

V宽测量范围

设计用于常规垂直力

测量

v高可靠性

测量或感测水平力

超出正常范围-

可能作为加工配偶出现的成分-

终负载降低

操作员用…来计算称重传感器的值。。。

里亚尔部分地缠绕在一个测量辊上。

枕头垫

V无漂移

使用“水平”称重传感器

正常尺寸，如

v无重新校准

有利的通过设计，它们可以做得更好-

与大值相反，

V无故障

结实、结实、坚硬。所以，要求

张力水平。作为一个

v高可靠性

用于重新校准、其他维护或更换-

结果，他们允许

它们是微不足道的，它们不会对

更大的应用

测量要领

机器振动。因为他们不测量

网络上的灵活性

保持片材或卷材的张力恒定

皮重，但仅水平力分量-

加工机械。工艺对于高产品质量和

由于腹板张力，它们的尺寸可以更小

生产率持续测量十-

否则，使用

sion是张力控制的明显先决条件。|更高的度。

驱动器和操作员仪器需要快速

应用程序要求可能规定

调节张力水平的确输入和“垂直”称重传感器的选择。但无论何时

itor机器性能。

存在足够的水平分力

大多数web处理线都重视

（或可以开发），水平单元格应

除了准确性和

考虑。

整体性能。测量系统，

毕竟是机器控制的前线，

暴露在操作环境的所有严酷条件下-

这是一个很好的例子。与停机和

劣质产品带来了is-com的真正价值-

部件。

卓越的质量测量技术

张力控制，保持加工

生产和生产级产品的生产线-

放…这就是你对我们的期望。我们是

完全致力于提供过程度量-

我们有50年的经验

在该领域的经验。我们是网络专家

和带材张力以及力测量

任何目的。


I n many web processes, the web tension imher-
ently produces a horizontal force component on a
ol... or, by design, it can be made to do so. Paper
machines and machinery processing plastics, foils
or textiles are typical examples.