Calculation of cams with concave profile in the MATHCAD system
The article shows the features of the cam with concave profile, the method of kinematic calculation of the pusher when it moves along a concave and rounded surface. The formula for determining the magnitude of the pusher velocity on the concave surface of the cam is refined. A method for determ...
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| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Omsk State Technical University, Federal State Autonoumos Educational Institution of Higher Education
2022-02-01
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| Series: | Омский научный вестник |
| Subjects: | |
| Online Access: | https://www.omgtu.ru/general_information/media_omgtu/journal_of_omsk_research_journal/files/arhiv/2022/%E2%84%96%201%20(181)%20(%D0%9E%D0%9D%D0%92)/25-32%20%D0%A0%D1%8B%D0%BD%D0%B4%D0%B8%D0%BD%20%D0%92.%20%D0%92.,%20%D0%9C%D0%B0%D0%BA%D1%83%D1%88%D0%B5%D0%B2%20%D0%AE.%20%D0%9F.,%20%D0%9F%D0%BE%D0%BB%D1%8F%D0%BA%D0%BE%D0%B2%D0%B0%20%D0%A2.%20%D0%90.,%20%D0%92%D0%BE%D0%BB%D0%BA%D0%BE%D0%B2%D0%B0.pdf |
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| Summary: | The article shows the features of the cam with concave
profile, the method of kinematic calculation of the
pusher when it moves along a concave and rounded
surface. The formula for determining the magnitude of
the pusher velocity on the concave surface of the cam
is refined. A method for determining the coordinate
center for the radius of the concave surface of the cam
is proposed. To increase the speed of the plunger and
intensify the fuel injection process in high-pressure
pumps of lowspeed diesel engines, it is recommended to use cams with concave profile. The calculation is
performed using the Mathcad system of the stroke,
speed and acceleration of the pusher depending on the
angle of rotation of the cam shaft. Using the Mathcad
program for cams with a concave profile, graphs of the
pusher lift, changes in its speed and acceleration are
constructed. |
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| ISSN: | 1813-8225 2541-7541 |