Description
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Tool Dynamometers
A machine-tool dynamometer is a multi-component dynamometer that is used to measure forces during the use of the machine tool. Empirical calculations of these forces can be cross-checked and verified experimentally using these machine tool dynamometers.
(1) Milling Tool Dynamometers
(2) Grinder Tool Dynamometers
(3) Lathe Tool Dynamometers
(4) Drilling Tool Dynamometers
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Interference Undercutting
The board shows the demonstration of this phenomenon of Interference and Undercutting. When we rotate the teeth in anticlockwise direction, as the teeth is undercut is gives us a smooth working. When we give a rotation in clockwise direction, we can observe that the rack tip will be resisted by the tooth flank thus giving interference.
Grinder Tool Dynamometers
This a simple set up to study the various forces resolved during grinding operation, designed by sharp techno system for demonstration purpose for the students undergoing tool desing study. This unit works on octagonal ring method using strain gauge as a sensor. A two channel digital force indicator facilitates to measure both forces simulteniously.
FEATURES:
1.Rigid in construction & compact unit. 2.Assessment of cutting forces by giving due consideration to various parameters like depth of cut, material, speed and feed . 3.Eassy in handling & Digital force indicators to measure two forces simultaneously.SPECIFICATIONS:
1.Mechanical sencing unit with two octagonal rings and strain gauges. 2.Two channel digital force indicator with balancing potentiometers and polycarbonate front plate. 3.Range of force measurement in coordinate direction – 0 to 200 kg. 4.Over all size of mechanical unit – 300 x 300 mm.SERVICE REQUIRED:
1.Necessary surface grinding machine. 2.230 volts, single phase, 50 Hz stabilized power supply.
Cam Analysis Apparatus
The apparatus is designed to study the cam profiles and performance of cam and follower system. The apparatus consists of a shaft supported by ball bearings upon which three different types of cams can be mounted.
The push rod for follower is supported vertically, which can adopt three different types of followers. Cams and followers can be changed easily. A variable speed motor rotates the cam. A dial gauge permits plotting of follower displacement with respect to cam position. By operating the system at different Speeds, jump speed can be found and also the effect of weight and spring force on jump speed can be studied. Jump can be visualized also with the help of stroboscope (it is not supplied With the product).
SPECIFICATIONS OF CAM ANALYSIS APPARATUS:
1.Cam -Eccentric, tangent and circular ARC type – one each. 2.Follower- mushroom, flat faced and roller type – one each. 3.Cams and followers are hardened to reduce wear of the surfaces. 4.Variable speed motor coupled to camshaft of suitable range and Variac. 5.A dial gauge to note the follower displacement. 6.A technical manual accompanies the equipment.SERVICES REQUIRE FOR CAM ANALYSIS APPARATUS:
1.230 V, A.C. stabilized supply along with earthing connection. 2.Bench area 0.5m x 0.5m x 0.5m height. 3.Tachometer to measure the jumping speed, (can be supplied extra)
Slip Creep Measurement Apparatus
The apparatus consists of a variable speed D.C. Motor, Driving pulley and Driven pulley of equal diameter. The pulleys are mounted on input shaft (Motor shaft) and output shaft. The driven pulley can slide on the base with bearing block to change initial tension in belt. Brake drum is mounted on output shaft helps to measure power output. The motor speed is varied by dimmerstat. A two channel RPM Indicator is provided to measure speeds of driven and driving pullies respectively.
Specifications:
1.D.C. Motor – 1 HP, 1500 RPM, variable speed. 2.Driving & Driven puilies of equal diameters. 3.Brake drum along with spring balance. 4.Fiat Belt of fixed length of following materials – (i)Fabric Belt (ii)Canvas Belt. (iii)Rubber Belt. 5.Belt tightening arrangement. 6.Speed Controller unit. 7.Two Channel digital RPM Indicator. 8.Stroboscope.Experimentation –
1. To measure co-efficient of friction between pulley material and different belt materials. 2. To measure power transmitted with varied belt tensions and plotting graph of (T1 – T2).Tension Characteristics. 3. To measure percentage slip at fixed belt tension by varying load on brake drum and plot graph of (T1-T2) Vs.percentage slip.i.e. Slip Characteristics. Finding a creep zone from graph. 4. To measure belt slip speed and observe the limiting value float at constant speed when the slip just starts.Service Required:
1.230 V.A.C. stabilized power supply 2.Space -. 1.5m x 1.5 m.
Generation Of Involute Gear Tooth Profile
This board illustrates the process of cutting of involutes Gear Teeth, by use of rack type cutter It consists of 3 white acrylic discs A, B, C. having pitch circle diameter 450 mm, 300 mm & 200 mm respectively. A gear tooth profile with module 25mm can be traced out on a peace of paper placed between disc and cutter. An affect of Interference and Undercutting on correct profile of gear tooth can be studied from the profiles traced.
Vibration Lab Complete 11 Experiment
The VIBLAB is designed to help in conducting various experiments to illustrate and verify the principles and relations involved in the study of vibrations.
This apparatus enables a comprehensive range of Vibration Experiments to be conducted on single basic framework. The frame is robustly constructed from channel section. The experiments are specially designed for quick and easy assembly on to the framework using a minimum amount of common engineering tools. To reduce changeover time on tube more advanced free and forced vibration experiments, large knurled knobs are used to clamp components on the frame and many components are common to several experiments.
All of the referenced groups of experiments are available separately making it possible to procure them individually & if required to build up a complete set over a period of time.
Specifications:
1.Wide range of experiments. 2.Forced and Free Vibrations. 3.Damped and undamped vibrations. 4.Arrangements for variation of damping. 5.Sturdy storage cabinet. 6.Experiments easily assembled. 7.Covers experiments for undergraduate studies. 8.Scope for student projects.Features:
[I] Pendulum Experiments: 1.Simple Pendulum. 2.Compound Pendulum. 3.Bi-filler Suspension. [II] Longitudinal Vibration Expiariment. 1.Spring Mass System. 2.Eciuivalent Spring Mass study of undarrped 3.System free vibration [III] Torsional Vibration Experiment. 1.Single Rotor Systern. 2.Two Rotor System. 3.Single Rotor with viscous darnping. [IV] Damped Vibration Experiment. 1.Verification of Dukerleys Rule. 2.Forced rotor with viscous damping along with frictional HP Motor Strip chart recorder & control unit. 3.A technical manual accompanies the equipment.Services required:
1.230 V, A.C. stabilized supply along with earthing connection. 2.Bench area 0.5m x 0.5m x 0.5m height. 3.Tachometer to measure the jumping speed, (can be supplied extra)
Journal Bearing Apparatus
DESCRIPTION:
The apparatus consists of a plain steel shaft encased in a bearing and directly driven by a small electric motor. The bearing is freely supported on the shaft and sealed at motor end. The motor speed is precisely controlled by control unit and sealed at motor end. The motor speed is precisely controlled by control unit and can be run in both directions. The bearing contains twelve equi-spaced pressures tapping around circumference and four along the axis. All are connected by light flexible plastic tube to the manometer so that the pressure head of all sixteen point can be observed at a time. The bearing can be loaded by attaching weight to the arm supported beneath it.SPECIFICATIONS:
1. Journal : 50 mm. dia. (nominal) 2. Bearing : 55 mm. dia. 3. Weights : 4 adjustable weights 4. Motor : D.C. shunt Motor, 3,000 RPM. 5. Control panel : For speed control of Motor 6. Manometer panel : 16 tube Manometer 7. Oil recommended : SAE 10EXPERIMENTS:
1. Observation of the pressure profile at various conditions of load and speed. 2. Plotting the Cartesian and polar pressure curves. 3. Plotting the theoretical Summerfield curves.SERVICE REQUIRED:
1. Electric Connections : A.C Single Phase, 230v. supply with ear thing. 2. Stand Alone Space : 1.5m X 1.5m X 4m Height.
Epicyclic Gear Train Holding Torque Apparatus
It is a motorized unit consisting of SUN gear mounted on input shaft. Two plane gears mesh with the annular gear. These planet gears are mounted on a common arm to which output shaft is fitted. Loading arrangement is provided for loading the system and to measure Holding Torque.
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