Cam Analysis Apparatus Model MT 013
Cam Analysis Apparatus Model MT 013
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 spring are used to simulate the valve. In order to demonstrate the so-called “valve wobble”, the spring rate, mass and speed are adjustable within broad limits. A plotter allows the actual lift curves to be recorded. The open design allows the observation of every detail of the movement process. A stroboscope (not supplied) can be used to provide a particularly impressive view of the movement process and lift. The experimental unit is intended for demonstration purposes in technical education. It is not suitable for use as a test stand for fatigue testing. With optional Data Acquisition software & interface, it can enable plotting of curve and with LABVIEW clear observation of the experiment’s readings and calculations.
| Size: | 100cm x 40cm x 60cm (LxWxH) |
| Weight: | 15 kg |
Item Description
Features
- 4 different cams, 2 different tracers1
* Influence of spring rigidity and moving mass1
* Plotting of lift curves1
* Excellent observation of movement process - Optional Computer interface & Data Acquisition Software
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 spring are used to simulate the valve. In order to demonstrate the so-called “valve wobble”, the spring rate, mass and speed are adjustable within broad limits. A plotter allows the actual lift curves to be recorded. The open design allows the observation of every detail of the movement process. A stroboscope (not supplied) can be used to provide a particularly impressive view of the movement process and lift.
The experimental unit is intended for demonstration purposes in technical education. It is not suitable for use as a test stand for fatigue testing.
With optional Data Acquisition software & interface, it can enable plotting of curve and with LABVIEW clear observation of the experiment’s readings and calculations.
Technical Specifications
Specifications
[1] Experimental unit for investigation of cam mechanisms
[2] 4 cams: tangent, hollow cam, 2 circular cams with different head radius
[3] Tappet with 2 different tracers: flat or roller tappet
[4] 3 interchangeable restoring springs
[5] Electric motor with variable speed
[6] Moving mass with can be lifted with 5 additional weights; attached to tappet
[7] Mechanical drum plotter with plotting spring and coated paper
Technical Specifications
Three-phase asynchronous motor with frequency converter: – power: 250W; – speed: 60…670min-1
Cams – 15mm lift; – opening angle: 140°
Spring rigidity
– hard: 5.026N/m
– medium: 2.601N/m
– soft: 613N/m
Masses: – additional weight: 200g
– tappet: 530g
– flat tappet: 93g
– roller: 20g
Plotter: synchronous belt drive
Optical speed sensor
Experiments
- Comparison of different cam forms
Lift curves for non-matching tracer
Lift curve for skipping tracer
Determination of limit speed and comparison with theory
Influence of moving mass
Influence of restoring spring rigidity
Scope of Delivery
1 experimental unit
1 display and control unit
4 cams
2 tracer
3 restoring springs
3 blocks of plotter paper
1 combination wrench
1 hexagon screwdriver, short
1 set of instructional material
Model Number
MT 013
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