Lawn mower using logarithmic spiral cam twisting handle with equal pressure angle to heighten wheel carrier
A logarithmic spiral and lawn mower technology, which is applied to the chassis of harvesters and agricultural machinery, and other applications, can solve the problems of large wire area, affecting safety, and falling off the ground.
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[0101] Build the computer 3D model first, then engrave the mold; then add anti-collision and brakes to the lawn mower. The technical equation and modeling method are:
[0102] Using PRO / ENGINEERWILDFIRE drawing software, set up a new working directory, create new parts, and sketch 2 concentric circles.
[0103] Open the variable section sweep (VarSectSweep) command, select the above two circles as the sweep trajectory and the reference trajectory.
[0104] Draw a straight line parallel to the plane of 2 circles, the length L=(D-d) / 2, and the projection line corresponding to the edge of the circle.
[0105]Establish parameter (PARAMETER) 1: C real number (real number), which can be assigned a value between 0.01-1 according to specific working conditions, such as 0.3; C is also called wave height. Establish parameter (PARAMETER) 2: N integer (integer), select a value between 2-100 according to specific working conditions, such as 13; N is also called wave number. Establish rel...
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