pantograph design calculation
If you can build a prototype and test it to verify your design calculations it was built right - depending on how you test it you might also be able to validate your design purpose built the right thing - if it passes the test s then you have your production rum model. Using the Pantograph Planner manually will be faster and require less measuring than this calculator.
Panto Graph Mechanism Design Grabcad Tutorials
The following is the simulation image of rising pantographs height.
. How close together theyll be will depend on whether your enlarging or reducing the image. Completed oil painting from small photogr. From pantograph import pg PantoGraph driver follower motor_1_pos motor_2_pos The servos and arms will move immediately this is why its important to have fastened the arms loosely.
The pantograph is one of the key components of the basic equipment of the high-speed railway traction power supply system. The engraving pantograph differs in design from a drawing pantograph often used with pencils in that for a drawing pantograph either the tracing point or the pencil depending on if you are enlarging or reducing will coincide with one of the pivot locations. Optimization design requirement for pantograph limit height is 3000mm and the time of rising pantograph controls within 6s.
Please remember to check the results manually with the Pantograph Planner before proceeding. Its fun to use and easy to. With the above method the aerodynamic uplift forces of.
Youll need a large space to use the pantograph. At the same time the engine number is also read automatically. To use this tool you need a large enough space to be able to lay your reference photo and drawing paper side-by-side.
The pantograph is fitted on a thread shaft which is supported on two bearings the pivot joint is fitted onto a wooden bracket with a 6 mm pin the bracket is then fitted to the support bearing frame which is bolted to the main frame this feature permits it to be moved forward and backwards by rotating the hand nut on the right of the thread shafting it could be move. Each CAD and any associated text image or data is in no way sponsored by or affiliated with any company organization or real-world item product or good it may purport to portray. Pantograph measurements and the evaluation of the catenary condition can be made with regular railway engines equipped with measurement systems during normal operation.
Therefore this project is aimed at developing a Pantograph mechanism which can be used to magnify the smaller shapes on the sheet metals. Measurements should include values such as vertical contact force vertical acceleration and sideway position calculation from contact forces. Precision air pressure control and a modular design make the supply and control units the first choice for reliable pantograph operation when it comes to options like manually activated emergency valves pressure sensors and safety valves.
The contact line is elastic so the contact wire will uplift a bit when the pantograph acts on the contact line. Based on the basic structural parameters of. It is often suitable to connect the definition of the dynamic system to a CAD-tool where it is easy to define geometry calculate mass and inertia position of joints and loads etc.
Three-dimensional CAD models are also suitable for visualisation of the design for investigation of aerodynamic forces animation of the dynamic behaviour etc. You can use a pantograph to enlarge or reduce a drawing or image. As we are using this for engraving with a Rotary Tool for engraving this would make it much more complex so to avoid.
The scale factor is the ratio. And it replaces all the drawing tools on the work table. 12451 views Aug 12 2016 Pantograph Video 2 showing mathematical process to enlarge a small photograph to a large canvas for painting.
At each inspection point the fixed sensors capture high-resolution digital video images of each piece of equipment. The aerodynamic uplift force model of pantograph was established and the method to calculate the aerodynamic uplift force was derived. If a line drawing is traced by the first point an identical enlarged or miniaturized copy will be.
A drafting table would give you the space needed. In a Python 3 shell create a PantoGraph instance using the values you noted earlier. The Pantograph Planner Calculator is designed to aid Pantograph Planner users that havent yet mastered the use of the Pantograph Planner.
A pantograph Greek roots παντ- all every and γραφ- to write from their original use for copying writing is a mechanical linkage connected in a manner based on parallelograms so that the movement of one pen in tracing an image produces identical movements in a second pen. A good pantograph is a necessary guarantee for reliable train operation. Good luck John N.
The ability to record and collect all data in database enables. The 3 2 3 2 cos 90 sin cos cos 90 sin cos x L b L N L b N L γθ θ α γθ θ α. The pantograph and overhead contact line contact force connects the pantograph and contact line.
How to make your own pantograph of different sizes and ratios. Calculated for different situations. Distance from the fixed point to the drawing point distance from the fixed point to the tracing point.
The mechanics of the device serve to keep that ratio constant as the mechanism is rotated expanded andor contracted. The geometrical parameters of the pantograph have a direct impact on the stability of the vehicles energy absorption. These two mechanical systems can vibrate and have different mass blocks elastic coefficients attenuation coefficients and inherent frequencies.
Development capabilities and test facility. Nov 12 2016 2. Yumains fully scalable automated pantograph inspection system using an AI Deep Learning based architecture provides real-time alerts of faulty pantographs to any rail network operator.
The Computer-Aided Design CAD files and all associated content posted to this website are created uploaded managed and owned by third-party users. A kitchen table would work as long as the clamp fits over the edge of the.
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