LaboratoryInstrumentIndia is a premier provider of materials testing equipment manufacturing, supplying, and exporting services across India, China, and Kenya. With a strong commitment to quality and reliability, we offer a comprehensive range of materials testing instruments to meet the diverse needs of industries worldwide.
Our extensive product includes rotating fatigue machine, digital strain display, strain gauge kit, and diaphragm apparatus, among others. These instruments are meticulously designed and engineered to assess the mechanical properties and performance of various materials, including metals, plastics, ceramics, and composites.
As manufacturers, we prioritize technological innovation and precision engineering, ensuring that our instruments deliver accurate and consistent results. Whether you need materials testing solutions for research, quality control, or product development, LaboratoryInstrumentIndia is your trusted partner. Contact us today to discuss your specific requirements and benefit from our expertise in materials testing instrumentation.
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Rotating Fatigue Machine
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Salient Features:
Easy Changeability: Easy change from phain to threaded and screwed specimens.
Loading accuracy as high + 1%.
Autographic recorder: Simultaneous roll autographic recorder supplied as standard to enable study of the behaviors of materials.
Speeds: Straining at variable speeds to suit wide range of materials.
Facilities for tests: Motor-driven threaded columns for quick and convenient adjustment of lower cross head to facilitate rapid fixing of tear specimen.
Simple and Safe: Simple to operate. Robust construction. Chrome plated metal components. Wide range of standard and special attachments / accessories available.
Ideal Dia.: High reading accuracy due to large size ideal design of dial.
Large columns: Large effective clearance between columns enables testing of standard specimen as well as structures.
The machine tests any suitably shaped specimens of various materials. A hydraulic tensile and Brinell hardness testing machine. Thematerial must not exceed the maximum strength or hardness limits.
The load frame is mounted on adjustable legs. The display unitshows force and works as an interface to send data to a suitable computer. To applyloads, students pump a handle connected to a hydraulic pump. The extensometer has a digital display of extension and connects to the displayunit for data capture.
The main parts of the equipment are:
A ball indenter for Brinell hardness tests
An extensometer with a digital display for tensile tests
A load frame
A display unit with a digital display of force.
The Digital Strain Display accepts up to 16 channels from strain gauges connected in quarter, half or full bridge. The display is fully programmable to match the strain gauges and their bridgeconnections. The display includes precision internal make-up resistors towork with half bridge connections if needed. For quarter bridge connection youneed suitable external make-up resistors or dummy gauges. For use with most types of metal-foil strain gauges, the Digital Strain Display connects to most types of strain bridge connections togive direct readings of strain. Two channels includeadditional individually adjusted dynamic outputs. They can connect to suitable instruments, such as an oscilloscope or a chart recorder for measurement oftransient strains. Alsosupplied is a tool that crimps the connectors to the cable. The connectors areself-locking, reliable, and secure and need no soldering. Supplied with the Digital Strain Display is a reel of cableand connectors to fit the input sockets of the Digital Strain Display.
Channels:
Channels 15 and 16 may also be used for dynamic strain output. Sixteen all channels may be used for slow-changing or staticstrain measurement.
This kit contains a selection of resistance strain gauges,together with all the necessary accessories associated with their application. The adhesive included is acyanoacrylate single-agent pressure-sensitive type, and therefore the completeoperation of deciding where the gauge is to be placed to taking strain readingscan be completed in a few minutes. Each kit is supplied in a PVC carrying case. Also included are the appropriate cleaningagents, terminal strips and sundry items such as tissues, pressure sensitivetape etc. The quantities of the items in the kit areadequate for the installation of all the strain gauges. Primarily intended as a convenient form of generalpurpose kit, itwill prove particularly valuable to: (a) the non-specialist, who occasionally appliesstrain gauge techniques but has not acquired the experience to specify individual items with confidence; (b) the specialist who is required to performstrain analysis outside the laboratory at short notice; and (c) teaching staffin educational establishments required to demonstrate the technique and toconstruct experimental apparatus.
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A sturdy base contains all parts of the Diaphragm apparatus. This forms a compactproduct, ideal for use on a workbench. Two heavy flanges clamp the edge of the diaphragm to provide built-in edge conditions. The area directly under the diaphragm contains oil. The Diaphragm apparatus allows students to examine the effectof pressure on the surface profile of a diaphragm. The signals from eachstrain gauge are shown on a digital display. A digital dial gauge is fitted toa digital position indicator. The dial gauge can be traversed across thediaphragm to measure its surface profile. They can also determine thedistribution of circumferential and radial strains across its diameter. Eight strain gauges are cemented to the top surface ofthe diaphragm in various positions and at different radii. Each strain gaugecircuit is a full bridge, with high-stability resistors. Students use a hydraulic pump to increasethe oil pressure under the diaphragm. They record the strain readings and diaphragm profile at different pressures. Both instruments can connect to optionalVersatile Data Acquisition System.
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he main part is a rigid metal frame. Supplied as standard are two adjustable knife edges that work as simple supports for test beams. Students add differentloads to the beams using weights on a hanger. The dial gauge indicator on theback panel accurately measures beam deflection. A compact bench-mounting frame that holds different partsfor investigations into stiffness of materials. A linear scale on the back panel of the frame allows accurate positioning of the knife edges. The kit also includes weights, a magnetic dial gauge and a set of differentbeams. Also included in the standard kit is a vernier gauge for students toaccurately measure dimensions of the specimens they test. The standard includes parts fortests in bending of beams of different materials and cross-section. Optional additional kits allow investigations into different beam fixings and torsional stiffness. The AdditionalTorsion Testing Kit is also available as an optional extra. It allows torsiontests on solid rods of different materials and a tube. The Additional ExperimentationKit available as an optional extra, enables further investigations into asimple cantilever, a propped cantilever and an encastre beam.
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The heavy-duty box-section support beamworks as the main support underneath the test beams and the leaf spring duringthe tests. The spring is of the same heavy-duty design as those used in vehicle suspensions. The Beam and Leaf Spring parts fit into the compressive testarea of Universal Testing Machine. The testing machine applies a compressive bending force and measures the beam deflection. Students may adjust the position of the knife edge supports to setthe length of beam under test. This give students a better understanding of a ‘real world engineering component. For beam tests, the test beam rests across two knife edge supports fixed to the support beam. This forms a ‘simply supported beam. For leaf spring tests, the spring rests on its rollerson two fl at supports fixed to the support beam. They can then compare theresults with those predicted by theory. Again, the testing machineapplies a compressive force and measures the leaf spring deflection. For thebeams, students use the deflection and force values to find the relationshipbetween force and deflection for the different beams.
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A horizontal ring is suspended on load cell and immersed in a liquid in a dish which is put on an adjustable height support stand. Surface Tension Apparatus is designed for measuring the surface tension of liquids. The force can be displayed on a force meter.
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The panel has a thin sheet metal absorber backed by riser tubes and insulating material to reduce heat loss to the rear. The collector has a purpose designed and built panel for quality and reliability. A sturdy mobile frame supports the collector. To allow users to adjust its angle, the frame has a hinge. A box with a clear cover encloses the panel, forming the collector.
It allows students to measure and find the efficiency and heat losses of a flat plate solar energy collector. This equipment shows how a flat plate solar energy collector works.
Experiments:
Measurement of the efficiency of the collector with and without a transparent cover.
Measurement of the maximum possible energy collector temperature.
Understanding the effective use of the direct component of solar radiation.
Demonstrations of the performance, advantages and limitations of a focusing solar energy collector.
Experiments:
Verification of the bending equation
Deflection of beams on two simple supports with point loads
Reciprocal properties for loads and deflection
Determination of flexural rigidity and elastic modulus (Youngs modulus)
Verification of static equilibrium
Bending characteristics of a brass/steel compound beam, with and without shearing connection between the two layers
Equivalent sections characteristics of a metal-faced wooden beam
Simple and propped cantilevers with any loading
Simply supported and cantilever beams with sinking supports
With the Specimen Beams, these additional experiments can be done:
The effects of material and section shape on flexural rigidity
Continuous beams statically indeterminate cases for simply supported beams and cantilevers on more than two supports with any loading (including measurement of unknown reactions
Deflections on a non-uniform (tapered) beam or cantilever.
Experiments:
Comparison of different frameworks Operating Conditions
Operating environment: Laboratory
Study of Bows Notation, strains, stresses, forces and deflections in various frameworks, including a Warren girder and roof truss
Operating relative humidity range: 80% at temperatures < 31ºC decreasing linearly to 50% at 40ºC
Storage temperature range: 25ºC to +55ºC (when packed for transport)
Operating temperature range: +5ºC to +40ºC.
Experiments:
Characteristics of a three-pinned arch
Appreciation of footing stability and economy
Operating Conditions
Relationship between applied loads and horizontal thrust produced from a simple determinate arched structure.
Operating environment: Laboratory
Operating relative humidity range: 80% at temperatures < 31ºC decreasing linearly to 50% at 40ºC
Storage temperature range: 25ºC to +55ºC (when packed for transport)
Operating temperature range: +5ºC to +40ºC.
Standard Features:
Made in accordance with the latest European Union directives.
Two And Three Pinned Arch
Supplied with lecturer guide and student guide.
To determine the Euler buckling load experimentally and compare it to the Euler theory.
Also to study the effect of end conditions on the buckling load.
Experiments
Investigations into the resistance of materials to crack propagation.
Introduction to the principles of common impact testing methods, such as Izod and Charpy tests.
Study of Bending Stress In A Beam
Converting strains to stresses
Strain gauges
Second moment of area
The bending equation
The neutral axis.
Experiments:
Introduction to limit state design
Relationship between maximum loading and plastic hinge formation for a simply supported beam, a propped cantilever and a fixed beam
Relationship between load and deflection for beams loaded to the plastic condition
Introduction to form factor.
Experiments:
The relationship between the vertical and horizontal deflections and the principal moments of area of each section.
The shear centre of various asymmetrical sections.
Horizontal and vertical deflection of different asymmetrical sections at various angles.
Horizontal and vertical deflection of different asymmetrical sections under various loads.
Experiments:
Reactions and fixing moments of a fixed beam and a propped cantilever
Reaction and fixing moment of a propped cantilever with a sinking support
Reactions of a simply supported beam
Reactions of a two-span continuous beam
This equipment allows many possible experiment
Relationship between load and deflection for beams and cantilevers
Configurations, using a stiff (rigid) beam, or a significantly more flexible beam.
The experiment hardware fits onto a Structures Test Frame. Students attach one of the structures in front of the hardware module, directly onto the test frame. They then apply loads to the structure using masses on hangers. Included are four different structures.
The digital deflection indicators are on a magnetic base so students can move them to anywhere on the backboard. Two digital deflection indicators, set at 90 degrees to each other on the backboard, contact the structure and so measure horizontal and vertical deflection.
