Flexometer

  • Request a Quote for Flexometer The ability of light leathers and leather-cloth used in manufacture of shoe uppers, gloves, and garments to withstand repeated flexing without cracking is determined with the help of a flexing endurance test.

  • In this test, test specimens in shape of rectangular pieces are folded and clamped at each end to maintain them in a folded position in a set of grips, one of which is fixed while the other is able to oscillate. The movement of the oscillating grip causes the fold in the test specimen to run along its centre. This operation is carried out repeatedly and the test specimens inspected periodically to assess the damage produced. The equipment used for this test is called as Flexometer.

  • The PSI Flexometer is built on a rigid metallic base plate. Test specimens are held between a pair of stationary and oscillating grips. The grips are specially designed to enable quick fixing and removal of test specimens and are shaped to meet the specification of the test.
     

  • Motion to the oscillating grips is given through a link mechanism, which oscillates the shaft on which the grips are mounted. All the pivot points of the mechanism have ball bearings to ensure smooth operation and a long working life.

  • The link mechanism is give motion from an electric motor and two sets of V-pulleys. A six-digit electronic counter with key-reset and backup memory is provided to record the total number of flexing cycles undergone by the test specimens.

  • The apparatus is finished in bright chrome / zinc plating and grey hammertone stoving painting to give it a corrosion resistant finish.

  •  The standard model of flexometer can test upto six specimens at one time. Special models capable of testing either twelve or twenty-four test specimens at one time can also be offered against specific requirements.

  • Specimen cutting die and cutting press are also available as optional accessories.

  • TECHNICAL DATA

  • Angle of oscillation of grips 22.5° ± 0.5°

  • Flexing frequency 100 ± 5 cycles/minute

  • Dimensions of test specimens 70 x 45 mm

  • Maximum number of test specimen that can be tested at one time Six, twelve, or twenty-four

  • Motor ¼ HP single-phase 230 volts AC

  • RELEVANT SPECIFICATIONS

  • IS 5914 - 1970 Methods of Physical Testing of Leather

  • LP 19 : Flexing Endurance

  • BS 3144 - 1968 Methods of Sampling and Physical Testing of Leather

  • Clause 13 : Measurement of the Flexing Endurance of Light Leather and
    their Surface Finishes

  • IUP / 20 - 1963 Official Methods of International Union of Leather
    Chemists' Societies

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