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Piston position in hydraulic valves

 
 

Servo and proportional valves regulate the volume flow in hydraulic systems. Displacement sensors are necessary for precise control. Inductive displacement sensors mounted on a pressure tube outside the pressure section are used for this. From this position, they measure on the piston through the pressure tube for an exact regulation.

Details

Inductive measuring principle
Low-cost sensor solution in plastic case
High resolution and accuracy
Precise regulation of the piston position
 
 

 

Load detection in washing machines

 
 

The displacement sensor ILU (Integrated Load and Unbalance Sensor) measures the depression of the suds container when the washing machine is loaded and its deviation during the spinning stage. Due to the inductive measurement principle, the sensor provides absolute position acquisition for static and dynamic processes.
The current load status is continuously displayed and thus enables optimum and maximum loading of the washer drum. The necessary load-dependent detergent quantity is calculated and displayed in parallel.

Details

Inductive measuring principle
Static and dynamically effective measuring principle
Low-cost VIP electronics
Sensor can be integrated in the friction damper
Optimized load status
Improved detergent consumption
 
 

 

DOWNLOADS

 Manual Controller MSC710 (PDF, 225 KB)               

MSC710 controller for induSENSOR LVDT

 
 

The MSC710 is a single-channel miniature sensor controller for the operation of inductive displacement sensors based on the LVDT principle. Its compact, but rugged design, makes it suitable for both industrial and laboratory applications. Easily accessible and simple to operate, by using DIP-switches. The electronic unit can be matched to a wide range of sensors.

 
 

 

DOWNLOADS

 Data sheet of Display units (PDF, 415 KB)               

Display units and process indicators

 
 

The analog display, DD241PC, has an analog input and is typically used for distance monitoring or for position control. If two analog signals have to be evaluated together, the DD245PC model is available. The DD245PC is ideal for applications such as static thickness measurement, where a new output signal must be calculated from two input signals. The process display DD214NE is used for digital incremental sensors and, like its analog counterpart, can evaluate both signals and output as one signal. The DD202TA is used for displaying revolutions or speed. The DD214NA is used for the position display with SSI output sensors.

Details

Low cost Process indicators
Visualization of various sensor signals
6-digit 7-segment display
For digital or analog displacement signals, speeds and revolutions
 
 

 

 

Measuring the thermal expansion in spindles                                                                          Product Technology

 
The SGS (Spindle Growth System) 4701 displacement measuring system is developed for high speed milling machine applications. Due to high machining speeds and the heat generated, the linear thermal expansion of the precision machine tool spindle needs to be compensated for in order to keep the tool in a defined position at all times. The SGS sensor measures the expansion of the spindle caused by thermal and centrifugal force. The measurement takes places typically on the labyrinth-ring. As well as the linear expansion, the temperature of the sensor is detected and output.These measurement values are fed into the CNC machine tool as correction values, compensating for any positioning errors.
 
Catalog eddyNCDT Sensors
Data sheet eddyNCDT SGS4701
 

 Characteristics

  •  Non-contact and wear-free measurement
  •  Cost-effective design
  •  Miniature sensor and controller, entirely integrable into spindle
  •  Calibration for ferromagnetic and non-ferromagnetic
  •  Integrated temperature measurement in the sensor
  •  Extreme temperature stability
 

 

Compact structure

The SGS 4701 consists of a sensor, a sensor cable and a controller, factory calibrated for ferromagnetic and non-ferromagnetic measurement objects. Two miniature sensors enable it to be installed directly in the spindle. The compact controller can be installed on the spindle housing via a flange or directly in the spindle.

Robust design

The SGS 4701 operates according to the eddy current principle, which means that the measurement is non-contact and wear-free. This measuring method is also insensitive to disturbing influences such as heat, dust and oil.

 

 
 

 

  1. Micro-Epsilon|Sensor|Edge Sensor
  2. Micro-Epsilon | Inductive Sensors | eddyNCDT 3005
  3. Micro-Epsilon||Sensor|Interface Module
  4. Micro-Epsilon | Inductive Sensors | eddyNCDT 3001

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