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In the field of material testing instruments, the Gibitre abrasion tester enables a comparative evaluation of the abrasion resistance of samples taken from vulcanized rubber, plastic, and other materials. The cylindrical sample, obtained by molding or punching from a finished product, is pressed with a defined force against a rotating drum coated with certified abrasive paper, following the standard test cycle.
Why choose it: simple configuration with or without axial rotation of the sample; quick replacement of weights to set the vertical force; detection of premature wear with automatic shutdown; sample holder with adjustable clamping force and precise protrusion setting; electronic motor controller for accurate drum speed; integrated brush for continuous cleaning; drum release for replacing the abrasive paper and facilitating cleaning; transparent protective cover with safety lock; CE marking.
At the end of the test, the measurement of the volume change is performed using a milligram scale (not included). With the optional Gibitre DensityCheck, automatic calculation of the relative volume loss index and abrasion resistance is possible in accordance with ISO 4649 and ASTM D5963. Dedicated accessories include certified samples for verifying the abrasiveness of the paper and a die/mold for sample preparation.
The abrasion test provides a comparative assessment of the wear resistance of vulcanised rubber samples, plastics, biobased polymers and various other materials.
The abrasion test according to ISO 4649 and ASTM D5963 is performed on a standard specimen through the use of a certified abrasive paper on a rotating drum with a standard test cycle.
• The test allows measuring the volume loss of a cylindrical specimen with 6 mm thickness and 16 mm diameter, which can be obtained by molding or punched from a finished product.
• The specimen is inserted into the locking clamp.
• During the abrasion cycle, the specimen is pressed with a defined force against a rotating drum to which abrasive paper is applied.
• The measurement of the volume variation of the specimen after the abrasion cycle is carried out with a millesimal scale (not included in the supply)
• The abrasion tester is supplied with weights for applying vertical forces of 5 N and 10 N (additional weights available as an option).
• The instrument is equipped with an electronic regulator for accurate control of the drum rotation speed.
• The drum release system facilitates the replacement of the abrasive paper and cleaning of the drum.
• Adjustable clamp system for fixing the test piece and precise setting of the sample protrusion.
• Setting of the full test at 84 revolutions (40m) or the reduced test at 42 revolutions (20m) via a practical indicator.
• Detection of premature wear of the sample with automatic test stop.
• Integrated brush for continuous cleaning of the drum.
• Interlocked front protection panel.
• The instrument automatically detects when the sample is totally abraded and is no more in contact with the abrasion paper.
• The instrument automatically stops and the light warns that the test has not been successfully finished.
• This unique features permits to prevent mistakes in the evaluation of the abrasion resistance of your products
The drum release device allows the replacement of the abrasive paper to be carried out in a simple and easy way.
The handle in the front position of the instrument allows for quick and easy unlocking.
If you have tried replacing the paper of an instrument that does not have this feature, you will appreciate the difference.
The instrument is equipped with a brush for the continuous cleaning of the drum. The device guarantees the removal of the debris left by the specimen, speeding up the execution of the tests
Rubber samples obtained from Standard Reference compound for the calibration of the abrasive sheet and for use as a comparative reference compound.
Standard reference compound n°1 in conformity with ISO 4649, annex B, clause B2.
Mold compliant with ISO 4649 for the preparation of specimens to standards. The mold allows to prepare specimens by compression molding starting from compound.
The die, conforming to the requirements of the ISO 4649 standard, must be applied to a drill press and allows to obtain specimens for abrasion test from finished parts
The calibration is performed with reference to the requirements of ISO 4649 standard.
The service includes:
• Ordinary maintenance of the instrument
• Calibration of the number of revolutions of the drum during the test
• Calibration of the lateral displacement of the sample
• Calibration of the test time
• Calibration of the vertical force on the sample holder (5N and 10 N)
• Calibration of the abrasiveness of the emery paper with Certified rubber samples (3 tests)
• Issue and e-mail shipment of the Calibration Certificate with traceability to primary standards.
• Safety protection door with safety switch
• Safety Push-button
• CE labelling
The instrument is totally developed and produced in the plant of Gibitre Instruments in Italy.
All the mechanical parts are produced in the company workshop using modern CNC machines.
Components and sensors from well-known brands are selected in order to ensure the maximum reliability in the measures
Internal trained personnel takes care of all the production stages: assembly, start-up, calibration, packing, shipment and installation.
