Theory Of Machine Lab

Product Details:

This apparatus is useful for measurement of power transmitted for various input power conditions with varied belt tension. Belt slip or creep also can be measured. The apparatus consists of a variable speed D.C. Motor, driving pulley and driven pulley of equal diameters. The pulleys are mounted on input shaft (motor shaft) and output shaft. The driven pulley can slide on the base only with bearing block to change the initial tension in belt. Brake drum is mounted on the output shaft, which helps to measure power output. The motor speed is varied by Thyristor Control D.C. Drive. A double channel digital speed indicator indicates driving and driven pulley speeds. With the help of Stroboscope (not in the scope of supply) it is possible to demonstrate the slip of belt on driving and driven pulley.

Experiments:

• To measure co-efficient of friction between pulley material and different belt materials.
• To measure power transmitted with varied belt tension.
• To measure percentage slip at fixed belt tension by varying load on the Brake drum and plot the graph of (T1- T2) v/s percentage slip i.e. "Slip Characteristics" Finding a Creep Zone from graph.
• To measure belt slip speed and observe the limiting value of load at constant speed when the slip just starts
• To study creep of belt

Product Details:

Apparatus is a motorized unit consisting of a camshaft driven by a variable speed motor. The shaft runs in a double bearing. The free end of the camshaft has a facility to mount the cam easily. The follower is properly guided in gunmetal bushes and the type of follower can be changed according to the cam under test. Graduated circular protractor is fitted co-axial with the shaft. And a Dial Gauge fitted on the follower shaft is used to note the follower displacement for the angle of cam rotation. A spring is used to provide controlling force to the follower system. Weights on the follower shaft can be adjusted as per the requirement. An arrangement is provided to regulate the speed. The apparatus is very useful- for testing the cam performance for jump phenomenon during operation. On this apparatus the effect of change of inertia forces on jump action of earn-follower during operation can be observed. It is useful for testing various cam & follower pairs. Three cams and three followers will be supplied with the apparatus. Theses are already hardened to reduce the wear.

With the help of combination of provided cams and followers following experiments can be conducted:

• To plot the n-Q (Follower displacement Vs Angle of rotation) curves for different cam follower pairs
• The follower bounce can be observed by using a stroboscope (Optional) & effect of follower weight on bounce can be studied.
• To study the effect of follower weight on bounce
• To study the effect of spring compression on bounce
• The tests can be repeated by changing compression springs, follower weights and cam speed.

 

Additional Information:

• Pay Mode Terms: T/T (Bank Transfer)
• Port of Dispatch: Roorkee

Product Details:

The set-up is designed to study the working of different governors normally used to control the speed. It consists of a main spindle, mounted vertically on the base plate. This spindle is driven by a variable speed Motor which is also mounted vertically on the same base plate. Anyone governor assembly out of four can be mounted on spindle. Speed control unit controls the spindle speed. A graduated scale is fitted to the sleeve to measure the displacement.

 

Experiments:

• Determination of characteristic curve of a sleeve position against speed of rotation for all governors
• To study the effect of varying the mass of the center sleeve in Porter and Proell Governor
• To study the effect of varying the initial spring compression in Hartnell Governor
• To study the determination of characteristics curves of radius of rotation against controlling force (Actual & Theoretical) for all governors

Product Details:

We are a leading manufacturer and supplier of Epicyclic Gear Train Apparatus. It is a motorized unit consisting of a SUN gear mounted on input shaft. Two plane gear meshes 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.

 

Experiments:

• To measure epicyclic gear ratio between input shaft and output shaft (Actual and Theoretical)
• To measure input torque, holding torque and output torque

Product Details:

These dynomometer are widely appreciated for the features like excellent performance, durability and long service life. Lathe tool dynamometers are manufactured under the close supervision of experienced professionals as per the defined industry standards to ensure maximum customer satisfaction. Our valued customers can buy these dynamometers from us as at industry leading prices.

Product Details:

The apparatus provided comprehensive unit to perform the vibration experiments. A universal frame is provided upon which quick and easy assembly of various experiments can be done. The unit is self-contained to safely store spares. The students can easily assemble the experiments and study the theory of vibrations practically.

 

Experiments:

• Following experiments can be performed with this unit:
• To verify the relation simple pendulum
• To verify the relation of compound pendulum & to determine the radius of gyration
• To study radius of gyration of bi-filar suspension
• To study the undamped free vibration of spring mass system
• To study the longitudinal vibration of helical coiled spring
• To study the forced vibration of simply supported beam for different damping.
• Undamped torsional vibrations of single rotor system
• Undamped torsional vibrations of double rotor system
• To study the damped torsional vibration of single rotor system and to determine the damping co-efficient
• Verification of Dunker ley's Rule
• To study the forced damped vibration of spring mass system

Product Details:

The set up is designed to study the whirling of shafts. The set-up consists of a sturdy M.S. frame, variable speed motor bearing holders etc. Different bearing can be fitted in bearing block to have different end conditions i.e. (i) both end fixed, (ii) one end free and one end fixed etc. A variable speed motor is provided to drive the shaft along with speed control unit as the test is destructive, hence the shaft cannot be used again.

 

Experiments:

Display of various modes of whril for a shaft with:

• Both ends directionally fixed.
• One ends fixed and other free
• Both ends directionally free.
• Modes of vibrations can be studied and frequency can be measured in each case.

Product Details:

The set up consists of heavy disc mounted on a horizontal shaft, rotated by a variable speed motor. The rotor shaft is coupled to a motor mounted on a trunion frame having bearings in a yoke frame, which is free to rotate about vertical axis. A weight pan on other side of disc balances the weight of motor. Rotor disc can be move about three axis. Torque can be applied by calculating the weight and distance of weight from the center of rotor. The gyroscopic couple can be determined.

 

Experiments:

• Experimental justification of the equation T = 1 w. wp for calculating the gyroscopic couple by observation and measurement of results for independent vibrations in applied couple T and precession wp.
• To study the gyroscopic effect of a rotating disc
• Observation of gyroscopic effect of rotating disc