Computer Controlled Software Intelligent Instrument Pendulum Impact
Tester
An intelligent instrument impact tester is a new product developed
the company and scientific research institutes, by learning foreign
technology. The tester is developed in accordance with the
requirements of ISO14556:2000 “Steel-charpy V-charpy V-notch
Pendulum Impact Test-instrumented Test Method”.Through the testing
of impact force value, the acquisition and analysis of data in
impact process and the drawing of an energy change curve, different
stages of material rupture are given and physical meaning and
explanation are defined to provide detailed and accurate data for
the behavior of researching and analyzing the material rupture
process. The intelligent instrument impact tester will become the
substitution and development direction of the conventional common
impact tester.
Technical Characteristics:
1. A pedestal of a mainframe stand and an upright post are
integrally designed, and are cast and machined integrally, which
ensure good rigidity and improve the stability of the test.
2. A pendulum shaft adopts a freely supported beam mode for
bearing; and the radial load of the bearing is reasonably
distributed, which greatly reduces the energy loss brought by
bearing friction.
3. The tester adopts a double-stage standard reducing motor for
lifting the
hammer; and a pendulum hanging device adopts hydraulic buffer and
has smooth pendulum hanging.
4. The pendulum hammer is designed to be a circular pendulum body,
which ensures the accuracy
of the striking center and the precision of pendulum hammer torque.
5. An impact cutter is fixedly mounted by a bolt, and simple and
convenient to replace.
6. The tester is equipped with a safety protection pin and a
fully-closed protective cover.
7. The tester is controlled by a microcomputer and completes the
whole process of pendulum taking,
impacting, automatic pendulum raising and re-impacting for several
tests according to instructions.
8. The tester is provided with a force transducer and an angle
displacement transducer and has the
functions of high-speed sampling, storage and calculation.
9. The microcomputer can obtain a force-time curve, a
displacement-time curve,an energy-time
curve, a force-displacement curve, an energy-displacement curve and
other curves.
10. The tester can provide a plurality of characteristic values of
impact speed, impact time, impact
energy, absorbed energy, displacement, crack formation energy,
crack expansion energy, yield
strength, yield time, yield displacement, yield energy, maximal
force, time in maximal force,
displacement in maximal force, energy in maximal force, unstable
crack expansion initial force,
unstable crack expansion terminal force, unstable crack expansion
terminal displacement,
unstable crack expansion initial energy and unstable crack
expansion terminal energy.
Main technical data
| Model No. | CH/IMP-150P | CH/IMP-300P | CH/IMP-450P | CH/IMP-600P | CH/IMP-750P |
| Impact Energy | 150J | 300J | 450J | 600J | 750J |
| Scale Range and Division Value of Scale Disk | 0-150J the division value of each grid is 1J | 0-300J the division value of each grid is 2J | 0－450J the division value of each grid is 3J | 0－600J the division value of each grid is 4J | 0-750J the division value of each grid is 5J |
| Distance between Axis of Pendulum Shaft and Striking Center | 750mm | 750mm | 750mm | 750mm | 750mm |
| Maximal Impact Speed | 5.24m/s | 5.24m/s | 5.24m/s | 5.24m/s | 5.24m/s |
| Span of Test Sample Support | 40 +0.2mm |
| Radius of Circular Arc in the End Part of the Test Sample Support | R1.25mm
|
| Radius of Circular Arc of Impact Blade | R2-2.5mm,R8mm
|
| Included Angle of Impact Cutter | 30°±1
|
| Thickness of Impact Cutter | 16 mm |
| Specification of Test Sample | 10×10×55 mm |
| Precision of Force Transducer | ≤±1%FS |
| Resolution of Angular Displacement Transducer | 0.1° |
