Encoders and systems from Wachendorff
... performing reliably, every day, in many applications across the world !

With this small selection of applications, in which our encoders and systems have been reliably providing pulses for many decades, we would like to give you some ideas about the possible uses of our devices and highlight some references.
Wachendorff encoders and systems have been chosen by our customers as they have been developed and manufactured for the use in the harshest environments.
In the following examples, we will show you concrete applications and describe the resulting improvements in the application, as well as the arguments which speak in favor of using our products.
Speed measurement in Quality Control
Application and Improvement
- Precise localization of possible defects during the manufacturing of plastic film using a camera
- Direct detection of defects
- Accurate identification of the areas with defects – and thus consequently of the reject material control
Advantages and Benefits
- High IP67 protection rating: always reliable, even in an industrial environment
- Complete system consisting of spring lever, virtually non-slip measuring wheel and WDG encoder: simple installation
- High resolution: more accurate speed measurement
Draw-wire system for position feedback
Application and Improvement
- Testing of tools for plastics processing
- 2 draw-wire systems ensure that both hydraulic cylinders are kept parallel and that the press travels in a straight line.
- Thorough final testing without damaging delicate tooling.
Advantages and Benefits
- Highly flexible system: fast installation
- At least 125 pulses of information/mm: high accuracy
- At least 1 million cycles, IP 67: robust with a long service life
Quality assurance in the ongoing process
Simulation of stress of automotive brakes
Encoder as reference sensor
Transporting sewage over a long period of time
Application and Improvement
- The waste from a sewage treatment plant is dried and then transported away.
- The speed of the sewage conveyor has to be controlled.
- Temperature stability and resistance to ammonia are important.
- Frequent cleaning with high pressure washer
Advantages and Benefits
- WDG58V: stainless-steel encoder with double loop coupling; suitable for reliable on the spot measurement, over a long period of time - even under extreme operating conditions.
- Long system service life means less downtime.
Reliable control of swivelling and telescopic outriggers

Cranes and Work Platforms
Reliable control of swivelling and telescoping outriggers

Encoders ensure a greater degree of user-friendliness
Application and Improvement
- Incremental encoder directly integrated into a cam gear
- Reduction of component parts
- Additional information between the individual lobes for the electronic detection of the winch position
- Safer equipment
Advantages and Benefits
- IP67, wide temperature range: long service life and reliable even when used in the harshest outdoor conditions
- Customized solutions: exactly the right encoder, adapted to each application
Precise movements
Fully-automatic hall cleaning
Millimeter accuracy for road markings

Construction vehicles
Roadmarking with millimetre accuracy
with Wachendorff encoders

Application and Improvement
- Perfect target reliability
- Optimize speed
- Consistent automation
- Galvanically isolated CANopen communication
- Operational safety and durability
Advantages and Benefits
- EnDra ® multi-turn technology: maintenance and wear-free
- QuattroMag ® single turn technology: highest accuracy and dynamics
- Large working temperature range
- High degree of protection IP67 all around
- Safe position monitoring
- Maximum bearing loads axially and radially

Civil and underground engineering
Continuous automation with robust CANopen encoder WDGA

Digital shaft copying for a height of 120 m
Application and Improvement
- In a power station the speed and position of the lift car is precisely measured for the controller by means of a nubbed belt.
- Greater positioning accuracy for each floor stop
- Continuous measurement of the traveling speed
Advantages and Benefits
- Self-guiding nubbed belts: quietest belt system in the world, non-slip
- Up to 4 m/sec, up to a height of 120 m: Suitable for virtually every application
- Rugged belt and intelligent mounting components: easy to operate and quickly installed
- SSI, CANopen, CANopen Lift, incremental: suitable for all controllers
Modernisation with existing motor
Application and Improvement
- Modernisation of an elevator on a chimney, where the old motor is to be retained, but the control system brought up to the latest standard
- Conserving the old motor in the chimney head with a distance of 220 m to the control system, which is installed in the basement to keep it protected
Advantages and Benefits
- 1 Vpp for the control of the elevator cabin for a distance of 220 metres: High resolution signal reliably transported over long distances
Feedback for the controller ensures ease of use
Application and Improvement
- For precise control of the lift speed, the rotary speed is measured at the gear motor and transmitted to the frequency inverter.
- The optimal installation space is between hand wheel and motor.
- The lift accelerates smoothly and travels effortlessly to the next floor.
Advantages and Benefits
- High resolution even with 1 Vpp with up to 5 million pieces of data per revolution:
Speed control that the passenger hardly notices.
Quick run to the position and increase of lift control
Application and Improvement
- Shaft copying system WDGA with CAN
- Retrofitting of old plants and connection to various controls
- The lift uses less power, has a lower travel time and the oil remains cool.
Advantages and Benefits
- Robust shaft copying system with easier handling and faster installation
- High resolution gives the controller enough information for optimization
Yawing the nacelle, setting the pitch of the blades
Application and Improvement
- Optimized azimuth control and pitch control of wind power plants
- Reliable measuring and positioning
- Increasing efficiency
- Optimizing energy yields
Advantages and Benefits
- Wide operating temperature range
- Common communication interfaces
- High protection class up to 69K and resistant to salt mist and corrosion
- EnDra®-multiturn-technology: no gear, no battery; wear-free and maintenance-free
- Environmentally friendly – no battery
- High shaft load up to 400 N
- Customized solutions
Tracking solar panels permanently and precisely
Application and Improvement
- Great increase of the efficiency of the plant
- Optimizing energy yields
- Continuous and precise repositioning of the solar panels at the optimum angle to the sun
- Perfect for use in dusty environments
Advantages and Benefits
- Direct installation on large electric motors
- Maximum mechanical and electrical safety
- Highly interference-resistant when used with frequency converters
- High protection class IP54; optional: full version of protection class IP64
- Certified DIN 40 050 Part 9 and/or ISO 20653 with Arizona dust (fine grade) SAE J726 conforming with ISO 12103-1 A2
Precise Speed Measurement with the LMSMA2x/3x

Application and Improvement
- Complex tasks
- Adjustable contact pressure
- Fixing in resting position
- Measuring wheels for every surface
Advantages and Benefits
- Incredibly quick cycle times
- Selectable resolutions
- saves time during initial setup mode and plant maintenance
- Fast and flexible mounting

In vitro diagnostics with Wachendorff Encoders

Application and Improvement
- Compact laboratory devices thanks to compact encoders
- Process repeatability with proven technology
Advantages and Benefits
- Time savings thanks to reliable sensor technology
- High resolution for precise positioning
Marking: Printing whilst running

Application and Improvement
- Precise measurement of linear and rotary speed of machines, where the material to be printed is being processed or conveyed.
- Determination of the print image position.
- Exact positioning of the individual ink jets.
Advantages and Benefits
- High permissible bearing loads
- High protection rating
- High resolution
- Capable of handling extremely high continuous loads 24/7 with measuring arm.

Position monitoring of cardboard boxes

Application and Improvement
- Top priority: operation reliability
- Plug & Play
- Satiesfied customers world wide
Advantages and Benefits
- Highest shaft loading
- Suitable for rough and changing environments
- Reducing of the wastage
- High availability

Roll cutter & roll winder
Precision on the running meter

Application and Improvement
- Complex tasks
- Rapidly fast cycle times
- Adjustable contact pressure
- Can be locked in the resting position
Advantages and Benefits
- Measuring wheels for any surface
- Selectable resolutions
- Fast and flexible mounting
- Long service lifetimes

Wire drawing: Constant well time of the wire

Application and Improvement
- Precise measurement of the speed of the wire during spooling, irrespective of the diameter of the coil
- Constant speed at all times for wire drawing and annealing
- High accuracy and repeatable quality during wire production
Advantages and Benefits
- High protection rating, rugged construction: Capable of handling extremely high continuous loads 24/7 in very harsh industrial environments

Precise tube cutting

Application and Improvement
- Cutting of tubes with a wall thickness of 0.1 mm up to 0.5 mm, e.g. from copper, aluminium or brass at up to 200 m/min
- Reliable measurement of the rotary speed of the cutter blade for a sharp cut
- Accurate measurement of the length for a precision cut
Advantages and Benefits
- High pulse rate, high quality: Extreme accuracy even at high speeds

Automatic cut controls thanks to profile detection
Application and Improvement
- Precise positioning and guiding of the cutting
- Lower wastage rate
- Increased throughput quantities
- Reduced downtimes
Advantages and Benefits
- Encoders are food-grade and resistant to salt water.
- Totally reliable, even in extremely cold conditions down to - 40 °C
- Very high bearing loads:
WDG encoder used as bearing block.
Secure marking ensures traceability
Application and Improvement
- Precise application of important information, e.g. production data, batch number
- Exact positioning, long-term durabili
Advantages and Benefits
- High IP67 protection rating: always reliable, even in wet environments
- Complete system consisting of spring-loaded arm, virtually non-slip measuring wheel and WDG encoder: simple installation, everything from one supply source.
Kneading till the dough is ready
Application and Improvement
- Precise speed measurement on a kneading machine, for manufacturing dough for a variety of different types of bread.
- High resolution for the non-destructive kneading even of complex doughs.
- Complying with hygiene regulations
Advantages and Benefits
- High resolution in a small design.
- High protection rating.
- Very high accuracy, easy to clean.