ABB Bailey DIO400 I/O模块 P-HB-D10-40010000 用于输入电压控制

ABB Bailey DIO400 I/O模块 P-HB-D10-40010000 用于输入电压控制
称重传感器中的腹板张力
测量方向！
b、 选择称重传感器尺寸，使其负载尽可能接近其标称负载！做
测量方向上张力的非尺寸力分量，FR，小于
称重传感器标称负载的10%！
c、 如果过程中大张力和小张力之间的跨度较大，请选择
称重传感器，使大张力处于称重传感器延伸范围内（当
适用）！
d、 建议测得的腹板张力分力至少为以下值的30%：
沿称重传感器测量方向作用的皮重分力（辊重）。这个
此建议的原因是称重传感器信号的稳定性，尤其是当
系统在大的温度范围内运行。
这意味着如果FRT对于较大的FRT，建议低FR至少为FRT的30%。
e、 检查称重传感器数据，以便建筑物高度、横向力和轴向力的限制是测量方向上腹板张力的组成部分
FRT=测量方向上的皮重力
如果FRTFR应至少为Fnom的10%
规则2：如果FRT＞Fnom的1/3
建议FR至少为FRT的30%
张力电子PFEA113，用户手册
第F.4节安装要求
3BSE029382R0101版本C F-3
F、 4安装要求
为了达到规定的精度、佳的可靠性和长期稳定性，安装
称重传感器应符合以下要求。
图F-1.安装要求
可以放置垫片
在上部适配器之间
板和轴承箱
以及下适配器之间
称重传感器的校准
称重传感器。
上下
不得放置垫片
板和基础。
网状物
为了正确的拧紧力矩，
见表F-1和表F-2。
1.0毫米（0.04英寸）
水平
90°
毫米（英寸）
动态平衡
自动调心轴承
ISO 1940-1的G-2.5级。
这至少满足了
测量辊
使用SKF CARB轴承，
滑动球面滚子
或者作为第二选择，
为了允许轴向膨胀，
轴。
一端轴承
安装面
稳固的基础
如果测量辊被驱动，
始终咨询ABB以确保：
0.05毫米（0.002英寸）
干扰。
风险小化的解决方案
内部必须是平的
使用固定球面滚子
另一边的轴承
轴的端部。
张力电子PFEA113，用户手册
附录F PFCL 201-称重传感器安装设计
F-4 3BSE029382R0101 C版
F、 5种安装方案、计算力和计算缠绕增益
F、 5.1水平安装
在大多数情况下，水平安装为明显
简单的解决方案。因此，称重传感器应：
尽可能水平安装。
但是，如果机器设计需要倾斜
称重传感器的安装或腹板路径是否不应给出
足够的垂直力，见图，倾斜
允许安装，并且计算有些不同
更复杂（见第F.5.2节）。
称重传感器测量施加在其顶部的垂直力
表面未测量水平施加的力
并且不影响垂直测量。有
垂直力的两个来源；来自网络的力量
张力和辊的皮重。
将总垂直力FRtot除以2，得到
每个称重传感器所需的容量。
不要为了过载而加大ABB称重传感器的尺寸
因为称重传感器具有足够的过载能力。
称重传感器可以测量张力和压缩。
如果T（sin + 罪) 大于皮重
称重传感器将处于张力状态。
要获得每个称重传感器的容量：
1.将（FR-皮重）除以2
如果FR大于或等于（皮重×2）。
2.皮重除以2
如果FR小于（皮重×2）。
杂草
T（张力）缠绕增益FR=
张力电子PFEA113，用户手册
第F.5.2节倾斜安装
3BSE029382R0101版本C F-5
F、 5.2倾斜安装
有时需要将称重传感器安装在
由于机械设计限制而倾斜
机器或需要适当的分力
应用于称重传感器。
在这种情况下，倾斜角度会修改皮重载荷，并且
张力电子PFEA113，用户手册
附录F PFCL 201-称重传感器安装设计
F-6 3BSE029382R0101 C版
F、 6.单测力传感器测量的力计算
在某些情况下，仅在一个传感器上安装一个称重传感器即可测量张力
卷的末尾。
F、 6.1常见和简单的解决方案
明显和简单的解决方案是水平安装，腹板均匀分布
并以辊为中心。
只要辊子两端支撑，第F.5节中给出的计算结果相同
有效的
注
单个称重传感器测量的精度在很大程度上取决于：
可以确定力的中心。由于横向应力
分布通常有些不均匀，这不容易做到。称重传感器
然而，将产生一个稳定和代表
ABB Bailey DIO400 I/O模块 P-HB-D10-40010000 用于输入电压控制

ABB Bailey DIO400 I/O模块 P-HB-D10-40010000 用于输入电压控制
 web tension, in the load cell
measurement direction!
b. Select load cell size so that it is loaded as close as possible to its nominal load! Do
not dimension Force component of Tension in measuring direction, FR, for less than
10% of the load cell nominal load!
c. If the span between maximum and minimum tension in the process is large, select
load cell so that the maximum tension will be in the load cell extended range (when
applicable)!
d. The measured force component of web tension is recommended to be at least 30% of
tare force component (roll weight) acting in load cell measurement direction. The
reason for this recommendation is load cell signal stability, especially when the
system operates in a large temperature span.
This means that if FRT < 1/3 of Fnom, FR should be at least 10% of Fnom.
For larger FRT, lowest FR is recommended to be at least 30% of FRT.
e. Check load cell data so that limits for building height, transverse and axial forces are component of web tension in measuring direction
FRT = Tare force in measurement direction
If FRT < 1/3 of Fnom
FR should be at least 10% of Fnom
Rule 2: If FRT > 1/3 of Fnom
FR is recommended to be at least 30% of FRT
Tension Electronics PFEA113, User Manual
Section F.4 Installation Requirements
3BSE029382R0101 Rev C F-3
F.4 Installation Requirements
To achieve the specified accuracy, the best possible reliability and long-term stability, install the
load cells in accordance with the requirements below.
Figure F-1. Installation requirements
Shims may be placed
between the upper adapter
plate and the bearing housing
and between the lower adapter
Alignment of the load cells
the load cell.
immediately above or below
Shims must not be placed
plate and the foundation.
Web
For correct tightening torques,
see Table F-1 and Table F-2.
1.0 mm (0.04 in.)
In level
90°
mm (inches)
Dynamically balanced
Self aligning bearings
Grade G-2.5 ISO 1940-1.
that fulfills at least
measuring roll
use SKF CARB bearings,
sliding spherical roller
or as a second choice,
To allow axial expansion,
the shaft.
bearings at one end of
Mounting surface
Stable foundation
If the measuring roll is driven,
always consult ABB to ensure
0.05 mm (0.002 in.)
of disturbances.
a solution with minimized risk
must be flat within
Use fixed spherical roller
bearings at the other
end of the shaft.
Tension Electronics PFEA113, User Manual
Appendix F PFCL 201 - Designing the Load Cell Installation
F-4 3BSE029382R0101 Rev C
F.5 Mounting Alternatives, Calculating Force and Calculating Wrap Gain
F.5.1 Horizontal Mounting
In most cases, horizontal mounting is the most obvious
and simplest solution. The load cell should thus be
mounted horizontally when possible.
However, should the machine design require inclined
mounting of the load cell or should the web path not give
a sufficient vertical force, see figure, the inclined
mounting is permitted and the calculations are somewhat
more complex, (see Section F.5.2).
The load cell measures the vertical forces applied to its top
surface. The horizontal applied forces are not measured
and do not influence the vertical measurement. There are
two sources of vertical forces; the forces from the web
tension and the tare weight of the roll.
Divide the total vertical force FRtot by two to get the
required capacity of each load cell.
Do not oversize an ABB load cell for overload purposes
as the load cell has sufficient overload capacity.
The load cell can measure tension as well as compression.
If the T (sin  + sin ) is larger than the tare weight, the
load cell will be in tension.
To get the capacity of each load cell:
1. Divide (FR - Tare) by two
if FR is greater than or equal to (Tare × two).
2. Divide Tare by two
if FR is smaller than (Tare × two).
Tare
T (Tension) Wrap gain FR = 
Tension Electronics PFEA113, User Manual
Section F.5.2 Inclined Mounting
3BSE029382R0101 Rev C F-5
F.5.2 Inclined Mounting
Sometimes it is necessary to mount the load cell on an
incline due to mechanical design constraints of the
machine or the need to have a proper force component
applied to the load cell.
In this case, the incline angle modifies the tare load and
Tension Electronics PFEA113, User Manual
Appendix F PFCL 201 - Designing the Load Cell Installation
F-6 3BSE029382R0101 Rev C
F.6 Force Calculation for Measurement with a Single Load Cell
In some cases, it is sufficient to measure the tension with only a single load cell mounted at one
end of the roll.
F.6.1 The Most Common and Simple Solution
The most obvious and simple solution is horizontal mounting with the web evenly distributed
and centered on the roll.
As long as the roll is supported at both ends, the same calculations given in Section F.5 are
valid.
NOTE
The accuracy of a single load cell measurement is highly dependent on how well
the center of force can be determined. Since the cross-directional stress
distribution generally is somewhat uneven, this is not easily done. The load cell
will, however, produce a stable and repeatable measureme
ABB Bailey DIO400 I/O模块 P-HB-D10-40010000 用于输入电压控制