Ear Measuring Instrument Model 126 C - Erichsen

testing equipment for quality management
Test Evaluation
according to DIN EN 1669
Ear Measuring
Instrument
Model 126 C
Technical Description
Measuring Instrument
for Gauging
Cups and Raw Cans

Purpose and Application
The Ear Measuring Instrument, Model 126 C,
is used for the axial measurement of deepdrawn
cups and raw cans. It consists of a
positionable turntable and a measuring head
with a vertically positioned length caliper. The
height profile of the test specimen is recorded
along its circumference within one revolution
and the earing being the result of the sheet
metal texture and the deep-drawing process, is
determined.
Design
The specimen is fastened to the turntable by a
magnet and centered by coordinated pins. The
measuring head is infinitely variable and can be
adjusted for different circumferences and
heights of specimens reaching in each case the
lowest and the highest value in a rapid and
reproducible manner by means of the
adjustable pins.
Measuring is a fully automated process in which
the measuring wheel works pneumatically. After
the measuring process has been completed the
measuring wheel folds away to enable a fast
and easy change of the specimen. All real-time
processes of the measurement and the
automatic test sequence are executed inside
the instrument. Visualisation and evaluation
procedures which are not real-time relevant,
are relocated via network on a separate PC.
Simple operations like the start of measurement,
abort of measurement, etc. can be carried
out by means of a key at the instrument. An
illuminated LC display shows the state of the
instrument and additionally supplies messages.
Further operations as well as the complete test
administration and evaluation are effected by
the appropriate program on a PC connected to
the measuring instrument via network.
The convenient test evaluation in accordance
with DIN EN 1669 offers comprehensive,
interesting computational and administrative
functions (not only in the field of deep-drawing
processes). By virtue of the detailed
determination of parameters conclusions can be
drawn concerning the wear of the tools and the
quality of the deep-drawing material used.
Because of its flexible concept this instrument is
also applicable for all similar tasks.
Technical Data
Specimen diameter: 20-100 mm
Specimen height: 0-210 mm
Centered by: centering pins
Fixing: magnetically
Measured values per
revolution:
360 optionally 720
Touching: M2,5 measuring
wheel, exchangeable
Measuring force: approx. 1 N at stroke
centre
Measuring stroke: pneumatically ± 4 mm
Measuring resolution: 0.001 mm
Measuring accuracy of
sensor:
Tumbling error,
± 0.010 mm
turntable Ø 95:
±0.015 mm
Cycle time: approx. 10 s
Display: LCD 16x2, illuminated
Operation: start key 15x25 mm
and via PC
Voltage supply: 115-230 VAC/50 Hz
Rated capacity: 200 VA
Compressed air supply: plug-type connection
4x1 mm
4-8 bar de-oiled
Data interface: Network RJ45
Maintenance interface: keyboard PS/2
monitor VGA
Housing: high-grade steel
powder-coated
Protection class: IP20
Ambient temperature: 10 - 40 ºC
Dimensions (WxHxD): 340x480x350 mm
Weight: approx. 20 kg
Order Information
Ord.-No. Product Description
0255.01.31 Ear Measuring Instrument,
Model 126 C
The right of technical modifications is reserved.
TBE 126 C- VIII/2008