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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
Quality control
Quality control

Speed measurement during optoelectronic quality control.

Download (310 KB)

Draw-wire system for position feedback

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 testing
Quality testing

Draw-wire system for position feedback

Download (346 KB)

Quality assurance in the ongoing process

Application and Improvement
  • Exactly arranged edges
  • Highest processing speed
  • Accurate pivoting motions
  • Flying change of material
  • Customized solution

 

Advantages and Benefits
  • Reducing of the wastage
  • Increasing of the quality of the production
  • WDGA is easy to implement in the existing CANopen bus
Web-processing industry
Web-processing industry

Quality assurance in the ongoing process 

Download (346 KB)

Simulation of stress of automotive brakes

Application and Improvement
  • Measurement of speed and revolution with high accuracy
  • Highest load capacity

 

Advantages and Benefits

WDGA works reliable under harsh conditions:

  • Extreme temperature change
  • Vibrations
  • Alternating shaft loads
Test rig
Test rig

Exact brake load simulation

Download (316 KB)

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

Application and Improvement
  • Safety through redundant signals
  • Speed, incline and angle of rotation monitoring

 

Advantages and Benefits
  • Reliable communication with CANopen
  • EnDra® multiturn technology: maintenance-free and non-wearing
  • High protection-class
  • Safe position monitoring
Cranes and Work Platforms
Cranes and Work Platforms

Reliable control of swivelling and telescoping outriggers

Download (462 KB)

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

 

Cranes and construction
Cranes and construction

The use of encoders in the construction of cranes

Download (270 KB)

Precise movements

Application and Improvement
  • Precise rotary and lifting movements
  • Matched speed
  • Customization
  • Quality and reliable

 

Advantages and Benefits
  • Space-saving encoder design
  • Non-wearing and maintenance free
  • Just-in-time delivery
  • Easy to implement due to compact design
Automated guided vehicle
Automated guided vehicle

Precise movements

Download (335 KB)

Fully-automatic hall cleaning

Application and Improvement
  • Save time and costs
  • Cleaning and maintenance down to the millimetre

 

Advantages and Benefits
  • Communication with CANopen
  • Minimum space requirement, no wear
  • Robust and precise
Mobile cleaning machines
Mobile cleaning machines

Fully-automatic hall cleaning

Download (412 KB)

Millimeter accuracy for road markings

Application and Improvement
  • Save time and costs
  • Cleaning and maintenance down to the millimetre

 

Advantages and Benefits
  • Communication with CANopen
  • Minimum space requirement, no wear
  • Robust and precise
Construction vehicles
Construction vehicles

Roadmarking with millimetre accuracy
with Wachendorff encoders

Download (361 KB)

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
Elevator
Elevator

Aiming high with Silent Move

Download (362 KB)

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

 

Elevator construction
Elevator construction

Transmitting signals reliably over 220 m

Download (395 KB)

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
Handout Dust-protected encoders WDG 145H
Handout "Dust-protected encoders WDG 145H"

Dust-protected according DIN 40050-9

Download (401 KB)

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
WA1601
Industrial Robots

Precise Speed Measurement with the LMSMA2x/3x

Download (475 KB)

Ink-Jet markers: 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
Packaging machines
Packaging machines

Position monitoring of cardboard boxes

Download (480 KB)

Wire drawing: Constant dwell 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
Machine building
Machine building

Wire drawing in perfection

Download (521 KB)

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
Metal working
Metal working

Accurate high-speed processing

Download (356 KB)

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.
Food Industry
Food Industry

Automated control of the cutting thanks to profile detection

Download (404 KB)

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.
Drink Technology
Drink Technology

Secure marking ensures traceability

Download (437 KB)

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.
WDG40A ensures that the cookies are done to a run
Food and beverage

WDG40A ensures that the cookies are done to a run

Download (60 KB)