# Hooke coupling experiment

Do your data confirm this expectation?

During part three of the experiment, the period of the spring was measured as mass was varied while amplitude remained constant. From the graph of the output shaft velocity against the input shaft angle, the plot shows that the larger the angle, the speed become periodic with bigger amplitude.

It should be noted that at amplitude of 0. Multiplying that value by the extrapolated spring constant gives a theoretical force of 0. The starting position of the spring was recorded using a stretch indicator.

All other trials yield a similar lowball theoretical force. This is a percent difference of only 0. The obtained value of C is 0. The proportion of the mass to the spring is so great that it has almost no effect on the calculation.

Conclusion During part one of the experiment, the vertical displacement of a spring was measured as a function of force applied to it. Such fluctuation cannot be tolerated in machinery so it is usual to have two couplings with a small intermediate shaft.

Consider the value you obtained for C. This proves that the theory statement: It has been shown that when two joints are used together with the same intermediate angle, the variation in displacement is cancelled out.

The value of C was determined to be 0. After graphing forces versus displacement, a value of 3. State clearly the evidence for your answer. Mass was added to the spring, and the displacement was recorded.

Below are the findings of the experiment:A universal or Hooke’s coupling is used to connect two shafts whose axes intersect at a small angle.

The inclination of the two shafts may be constant, but in actual practice, it varies when the motion is transmitted from one shaft to another.

Robert Hooke is commonly thought of as the inventor of ‘Hooke's joint’ or the ‘universal joint’. However, it is shown that this flexible coupling (based on a four-armed cross pivoted between semicircular yokes attached to two shafts) was in fact known long before Hooke's time but was always.

HTM19 Hooke's Coupling | Theory of Machines (HTM) Teaching Equipment - 69 from billsimas.com Ltd:The apparatus consists of a sturdy base plate with two verical uprights that can be twisted about a vertical axis.

Suspended between these supports is. A Hooke’s coupling is a fixedarm coupling and a constant velocity joint is a variable arm coupling. We are concernedhere with a fixed arm coupling billsimas.com following analysis will show that the angle as the angle between the shafts increasesthere is a periodic speed and hence torque fluctuation.

The Hooke’s Law is a mathematical formula that relates the vibrational frequency of a spring connected to two spheres to the stiffness of.

Oct 10,  · A universal joint, universal coupling, U-joint, Cardan joint, Hardy-Spicer joint, or Hooke's joint is a joint or coupling in a rigid rod that allows the rod to 'bend' in any direction, and is.

Hooke coupling experiment
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