Features Comminution with a ball mill Observation of the milling process Ball mills are a form of mills with grinding bodies. The drums can be opened at the front and loaded with the material to be milled (limestone is recommended) and the mil [...]
This apparatus set up on the lab bench using a stand base. The block and tackle can be expanded to three pairs of pulleys and can support loads of up to 20N. the pulleys are mounted virtually friction-free in ball bearings and for inclined pla [...]
Sci-tech Equilibrium in a Single Plane Model MT 120, demonstrates the principle of “freeing”, which refers to establishing static equilibrium. The experiment uses a model of a ladder with a sliding clamp weight. Features Equilibrium conditions [...]
The unstable “inverted pendulum” system acts as a mechanical single-variable system. The upright position of the pendulum is adjusted by two independent propeller drives and should be achieved quickly and if possible without overshooting. A fu [...]
The object of Sci-tech Bending & Torsion Apparatus Model MT 114 is to determine what levels of combined bending and torsion cause elastic failure in different materials, and to compare them with various theories of failure.
Sci-tech Plastic Bending of Beams Apparatus Model MT 112 provides two end supports; one for completely rigid end fixings, whilst the other giving horizontal travel. Both supports create simple supports (knife edges) and have clamp plates which [...]
As light-weight structures offering a high degree of rigidity, trusses are employed in the construction of halls, bridges, cranes, pylons and masts. Trusses are bar structures in which the bars are subjected to compression or tension loading, [...]
The principle of “freeing” in engineering mechanics allows forces and moments acting on a body to be made visible. In this process, a body or a system such as a bar are virtually removed from the environment. All forces acting on the body or o [...]
• Versatile experimental unit demonstrating planar mechanical force systems • Scope of experimentation can be extended by supplementary sets
Sci-tech Transmitted Light Polariscope Model MT 104 is a bench top mounted frame which allows the study of stress patterns and photoelasticity resulting from geometrical changes in loaded mechanical models.
Sci-tech Virtual Work Principle Apparatus Model MT 103 is used for applying the principle of virtual work to the derivation of redundant reactions. It is to be used with Universal Structural Frame.
Sturdy, compact, self contained bench top unit for determining the surface strains and deflections of a flexible diaphragm under varying pressures.
• Small-scale, convenient bench-mounting impact tester • Ideal introduction to commonly used material impact testing techniques • Many safety features including enclosure of all moving parts and mechanically interlocked guard • Allows investig [...]
Strength of materials is a subject of mechanical engineering, industrial engineering and structural engineering that studies the strain in deformable solid models. Strength is defined as the capacity to withstand stresses or loads applied on a [...]
Sci-tech Pin Jointed Frameworks Model MT 099 fits onto a Structures Test Frame. Students use stainless-steel members to build different pin-jointed frameworks. The members joined by slotting the ends into bosses.
- Vibrations in belt drives - Resonance and critical speed Belt drives are low-maintenance, low-noise, long-life drive units. It is important that the belt should not vibrate and/or slip.
Torsion is a type of stress that appears when applying a moment or torque on a rod or element. The transverse sections of the rod suffer a twisting around an axis normal to its plane where tangential stresses analogous to the simple shear stre [...]
Sci-tech Bending Stress in a Beam Apparatus Model MT 096 allows adjustment of a load cell that bends the beam and, when connected to the optional Digital Force Display, it measures the bending force (load). Strain gauges and a digital strain b [...]
Sci-tech Spring Test Apparatus Model MT 095 uses a fundamental variable mass and scale measurement to test springs. It shows students how to find the properties of a spring and proves some basic laws of physics (Hooke’s law, Newton’s law and s [...]
- Charpy notched-bar impact test - classic method from destructive materials testing for quality control and analysis of the fracture behavior of metallic materials
Sci-tech Linear & Angular Speed Apparatus Model MT 093 stepped shaft is secured to a main shaft, which itself is secured within a bracket. The bracket can be bench or wall mounted.
Sci-tech Variable Forces Apparatus Model MT 092 is designed to reinforce the general principle that the work done, particularly by a variable force, can be determined simply by measuring the area under the graph of force and distance moved.
Sci-tech Roof Truss Apparatus Model MT 091 is used to measure the deformation in elements of roof truss. Whenever a load is applied to a roof truss, its members undergo a strain. Sci-tech Roof Truss Apparatus Model MT 091 consists of a base st [...]
Sci-tech Twist & Bending Machine Model MT 090 is a combined apparatus for the demonstration of both twist and bend to be used in the laboratory or as a complement of the theoretical study about twist and bend. Its size and weight facilitat [...]
Buckling is a phenomenon of structural instability in which struts are subjected to compression and on which a disturbing force acts. The Sci-tech Universal Buckling Unit Model MT 089 is a unit designed to demonstrate the concept of buckling f [...]
Sci-tech Eccentrically Loaded Tie Apparatus Model MT 084 This table unit is used to observe the deformation of a bar under constant bending moment. Table unit for the demonstration of the relationship between load and deformation on a bending [...]
Sci-tech Three Dimensional Equilibrium Apparatus Model MT 084 is used for studying the equilibrium of five concurrent and non-concurrent forces in a three dimensional system.
Sci-tech Beam Apparatus Model MT 083 allows an extensive range of experiments to cover virtually all course requirements relating to bending of beams. The basic unit provides facilities for supporting beams on simple, built-in and sinking supp [...]
Sci-tech Wheel and Axle Apparatus Model MT 082 has dual diameter wheel has an axle supported on simple pivots in a sturdy wall mounting bracket. Each wheel has a cord wrapped around its periphery.
Sci-tech Slider Crank Mechanism Model MT 081 is a quick-return mechanism. This mechanism is a combination of an inversion of the slider-crank chain and slider block. The unit is assembled in an anodized aluminum profile structure, with steel p [...]
Sci-tech Clutch Plate Friction Apparatus Model MT 080, a wall mounted apparatus comprises a lower stationary plate attached to a sturdy wall mounting bracket. On top of this stationary disc sits an upper aluminum alloy plate whose shaft rotate [...]
Rubber blocks in shear force are often used on engine and in equipment mounting to isolate vibrations. They do this by absorbing shock energy by deforming. This deformation leads to a decrease in cross-section as the block lengthens, an effect [...]
Sci-tech Redundant Truss Apparatus Model MT 078 fits onto a Structures Test Frame. Two supports hold the top and base of one side of a structure. The top support allows pivoting, the base support allows pivoting and rolling. Initially, one of [...]
Sci-tech Tension Coefficient Apparatus Model MT 077 consists of a jib restrained by two chain ties making a triangulated three dimensional structure. The jib and both ties are fitted with spring balances so that the internal forces can be meas [...]
Sci-tech Rotating Fatigue Testing Apparatus Model MT 076 has been designed to introduce students to the effects of material fatigue using a sinusoidal variation of bending stress.
Experiment investigating with Sci-tech Unsymmetrical Bending and Shear Centre Apparatus Model MT 075 with different sectioned beams when the loading is not in the plane of a principal axis. A ‘U’ section, ‘L’ section and rectangular beam canti [...]
Sci-tech Deflection of Beams & Cantilevers Apparatus Model MT 074 consists of a backboard that fixes to the Structures Test Frame. Test beams fit onto the backboard using a rigid clamp and knife-edge supports. Students apply loads at any p [...]
A horizontal length of material with a vertical load system is called a beam. It is one of the most basic engineering ways of supporting a load. External forces such as the applied loads and the beam support reactions have to be in equilibrium [...]
A length of material supported horizontally and carrying vertical loads is called a beam. The loading causes bending and transverse shearing. The loads and reactions are the 'external' forces acting on the beam. They must be in equilibrium. Ho [...]
Sci-tech Gear Maintenance Trainer Model MT 071 is a versatile assembly allows for convenient hands-on training in gear identification, installation, alignment, and troubleshooting. The device includes a diverse selection of industrial quality [...]
Sci-tech Creep Testing Machine Model MTM 070 is designed to carry out practices on specimens of plastic materials. Due to the dependence on the temperature in this type of tests, there is a temperature conditioning box where the experiments ar [...]
A length of material supported horizontally and carrying vertical loads is called a beam. The loading causes bending and transverse shearing. The loads and reactions are the 'external' forces acting on the beam. They must be in equilibrium. Ho [...]
An unlimited range of beam experiments can be performed to measure support reactions, deflections and rotations of simply supported, fixed and two span continuous beams, simple and propped cantilevers, and sinking supports.
Sci-tech Continuous Beam Apparatus Model MT 066 teaching apparatus enables a range of laboratory, classroom and computer-based experiments for civil, mechanical and structural engineering students investigating beams and beam behaviour, from s [...]
Sci-tech Balance of Reciprocating Masses Machine Model MT 065 is a bench-mounting model four-cylinder engine that shows primary and secondary forces and moments in reciprocating masses and how to balance them. - Model four-cylinder engine asse [...]
Sci-tech Unsymmetrical Cantilever Apparatus MT 064 allows students to load a cantilever and accurately measure its deflection in any coplanar direction. • Ideal for student use and classroom demonstrations • Bench-mounting apparatus • Self-con [...]
Creep occurs due to the deformation of a material subjected to constant stress and temperature. The main application of the study of creep is the analysis of the resistance characteristics of materials to be able to design pieces and elements [...]
Sci-tech Torsion and Deflection Testing apparatus Model MT 062 allows a variety of experiments to be undertaken to investigate test specimens under torsional loading and bending loading within their elastic limits.
Two portal frames (pitched and rectangular) are mounted within two “ground” supports, in either a pinned or fixed condition. A proportioning bar is held horizontally by loading chains that run to the portal frame and to the screw-jack loading [...]
Sci-tech Strut Buckling Apparatus Model MT 060 is an apparatus, to demonstrate the buckling of structures under compression.
Sci-tech Acceleration of Geared Systems Apparatus Model MT 059 is supported in a metallic frame and can be wall mounted. Sci-tech Acceleration of Geared Systems Apparatus Model MT 059 basically consists of three shafts, each mounted on ball ra [...]
Sci-tech Apparatus for determining the Gauge Factor of Strain Gauges Model MT 058 allows the measurement of deflection and strain in a bar and the determination of the gauge factor of strain gauges. Sci-tech Apparatus for determining the Gauge [...]
Sci-tech Simple Balancing Apparatus Model MT 057 is an unit to study and analyze the oscillations and vibrations and how to eliminate or diminish them.
Sci-tech Thin Cylinder Apparatus Model MT 055 been developed to enable the student to verify the various analytical formulae with actual measured results. Strain gauges mounted in various positions and orientations on the cylinder provide an o [...]
Sci-tech Thick Cylinder Apparatus Model MT 055H been developed to enable the student to verify the various analytical formulae with actual measured results. Strain gauges mounted in various positions and orientations on the cylinder provide an [...]
Vibration is defined as the motion of a particle, body or system of connected bodies displaced from a position of equilibrium. Most vibrations in machines and structures are undesirable because they increase stresses, raise energy losses, crea [...]
Sci-tech Deflection of Curved Bar Apparatus Model MT 053 is designed to enable the student to determine experimentally the horizontal and vertical displacements at the free end of various curved bars when subject to single concentrated load.
Sci-tech Portal Frame Unit Model MT 052 has been designed to determine the deflection at the load point for a rectangular portal frame subjected to horizontal and vertical loads.
One of the main problems in the study of loads distribution on horizontal beams is related to vertical loads. Such loads, transverse to the beam direction, can generate bendings, with the consequent breaking risk. The greatest advantage of arc [...]
* Versatile bench-top experiment system on torsional stiffness and torsional vibration1 * Behavior of two and three masses torsional vibrators1 * Data Acquisition software for data acquisition
* Demonstration of fundamental aspects of mechanical vibration1 * Damping and resonance with forced vibrations1 * Two different principles of exciting vibration
* Natural frequencies of a free vibrating bending bar1 * Rayleigh's method to evaluate the natural frequency of a bar
* Articulated beam with two cantilever beams and a suspended beam as an example of a typical bridge1 * Direct indication of reactions1 * Lines of influence for different load cases
* Statically determinate or statically indeterminate parabolic arch under load. * Deformations of the arch under load. * Support reactions of the arch
* Measurement of the bar forces in a single plane truss1 * Construction of various truss forms1 * Bars with strain gauge full bridges to measure bar force1 * Optional Computerized evaluation of experiments
* Comparison of forces in statically determinate and over-determinate trusses1 * Bars with strain gauge full bridges to measure bar force1 * Optional Computerized evaluation of experiments
* Statically determinate three-hinged arch1 * Symmetrical or unsymmetrical arch1 * Various load cases: point load, distributed load, moving load
* Symmetrical and unsymmetrical bending on a beam1 * Symmetrical and unsymmetrical cross-sectional profiles: I, L and U1 * Combined bending and torsion loading by way of eccentric force application
* Visualization of the effect of centrifugal force1 * How various centrifugal systems work1 * Determination of characteristic curves and setting curves of different centrifugal governors
Impressive demonstration of the relationship between the number of gear teeth and the transmission ratio of gear trains
* Laws on the behaviour of rotating masses Sci-tech Centrifugal Force Apparatus Model MT 039 enables the forces exerted on rotating masses to be studied.
* Elastic torsion of a bar1 * Round bar, tube, longitudinally slotted tube and square tube as test bars1 * Indication of the angle of twist at two random points on the bar
* Representation of simple stability problems on a buckling bar1 * Determination of the buckling load under different conditions1 * Infinitely variable load application on the buckling bar
A frame is a bent beam with rigid corners which creates a so-called structure gauge. This means that it spans a gap while at the same time creating height. Sci-tech Deformation of Frames Model MT 035 includes a typical U-shaped frame, such as [...]
Beams are key structural elements in mechanical engineering and in construction which are subject to deformation under load. In the case of a simple beam this deformation can be predicted by various methods, such as the principle of virtual wo [...]
In stability theory, the four cases of Euler buckling represent the elastic flexural buckling of straight bars. Above a specific load - the buckling load - a loss of stability occurs and the bar increasingly changes shape. The axis of the bar [...]
When a component is placed under load it undergoes elastic deformation. This deformation can be calculated by determining elastic lines for example. Elastic lines describe the deformation of the complete component in the form of a mathematical [...]
Sci-tech Suspended Beam Apparatus Model MT 030 is intended to represent a simple application of a suspended beam and may be used to determine experimentally the tension in the cables supporting a beam carrying a series of distributed loads. Sc [...]
Statics observes the effect of forces on a rigid body, ignoring any possible deformations, which may occur in the process. The forces are in equilibrium. In reality, forces always produce an effect in the component, such as deformation. These [...]
Sci-tech Deflection of Beam Apparatus Model MT 028 has been designed to enable the students to observe and study the following phenomena in simply supported beams and cantilever beams: - Relation between the deflections and the applied loads. [...]
Sci-tech Mounting Frame Model MT 027 provides a clearly laid-out, user-friendly means of setting up experiments in the fields of statics, strength of materials and dynamics. MT 027 comprises four aluminum sections which are bolted together to [...]
* Plotting characteristics of industrial valves and fittings1 * Comparison of different valves and fittings1 * Characteristics of a centrifugal pump
The object of the experiment is to measure the bar forces in a single plane truss subjected to a single external force. Sci-tech Forces in Various Single Plane Trusses Trainer Model MT 025 set-up features bars with special snap-lock closures o [...]
Gears are employed as a link between drive machine and work machine. They are used to vary torque and speed and to change direction. The aim of dynamic gear analysis is an understanding of the motion sequences and the influence of inertia. Sci [...]
In technical mechanics, loss of stability is known as buckling. Under the effects of compressive forces, and under increasing load, the axis of the bar deflects laterally until it suddenly and violently fails (collapses), even before the fract [...]
Sci-tech Deformation of Curved-Axis Beams Model MT 022 includes three different beams, borne on statically determinate supports: a circular beam, a semi-circular beam and a quadrant beam. The beam under test is loaded with a set of weights. Di [...]
Sci-tech Critical Speed Investigation Apparatus Model 021 experimental unit teaches knowledge about how to determine the critical speeds. Illustrative experiments are used to explain resonance and supercritical or subcritical states of a vibra [...]
Sci-tech Whitworth Quick Return Apparatus MT 020 is used to generate uneven reciprocating motion with slow feed and quick return. This table model clearly demonstrates the transmission behavior of such a layout. The input angle is set by turni [...]
Sci-tech Four Bar Chain MT 019 demonstrates rotary motion is converted into oscillatory motion. An anodized aluminum disc is mounted on ball bearings as a crank. The disc has a scale so that the input angle can be exactly measured.
Sci-tech Slotted Link Apparatus Model MT 018 is used to generate and investigate pure harmonic reciprocating motion. An anodized aluminum disc used as crank is mounted on ball bearings on a white plate. This disc has a pointer so that the inpu [...]
Sci-tech Forces in a simple Bar Structure Model MT 017 represents a simple bar structure. In the single plane system the bars are only subjected to compression and tension. Loads are applied only to the nodes. The unit comprises three members [...]
Sci-tech Equilibrium of Moments on a Two-arm Lever Model MT 016 is used to investigate the fundamentals of the equilibrium of moments based on the example of a two-arm lever. Moments occurring on the lever are to be brought to equilibrium.
Strain gauges are used extensively in sensor systems to detect forces, moments and deformations. Sci-tech Strain Gauge Training System Model MT 015 experimental unit provides a wide-ranging introduction to the fundamentals of measurement by st [...]
Sci-tech Forces in a Crane Jib Model MT 014 represents a planar central force system in which multiple forces act on a single point of application. Based on the example of a crane jib, forces are determined graphically and experimentally: resu [...]
Sci-tech Cam Analysis Apparatus Model MT 013 allows the dynamic investigation of cam mechanisms, as used in motors for actuation of the valves. The cam mechanism consists of 4 interchangeable cam plates and 2 different tracers. A mass and a sp [...]
Sci-tech Crank and connecting Rod Apparatus Model MT 012 is an experimental unit that demonstrates the conversion of smooth rotary motion into reciprocating motion. The input angle is set on a ball bearing mounted crank disc made of anodized a [...]
Beams are key structural elements in mechanical engineering and in construction. A beam is a bar-shaped component in which the dimensions of the cross-section are much smaller than the length and which is subjected to load along and perpendicu [...]
Bending and torsion are typical loads to which components are subjected. The resultant stresses and deformations can lead to failure of the component. A number of different factors play a role in this, including the material, the cross-section [...]
