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50 moving pictures of classic mechanical structures, familiar parts can be found in the work

Updated: 2022-12-21    Visits: 99

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1. A drop hammer

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2. Friction press 1

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Input: Green pulley shaft


There is a feather key between the green shaft and the red hollow shaft. The blue disc-screw alternately contacts the two red discs. The up and down movement of the yellow slider is controlled by the purple lever. The slider reaches the maximum speed at the lowest position of the stroke, and the maximum speed at the highest position. The pink stop determines the highest position of the slider.


3. Friction press 2

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Input: Center pinion


The purple plate carries four gears and two rollers. The rollers alternately contact the yellow disk and reciprocate the screws. Reflecting the up, down and dwell movement of the blue nut-slider mechanism, the rod has three different positions. There is a stopper that keeps the disc stationary while it is parked, not shown.


4. Manual punch 1

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5. Manual punch 2

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6. Manual cutting machine 1

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7. Manual cutting machine 2

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8. Pedal shearing machine 1

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9. Pedal shearing machine 2

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10. Table wood saw 1

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11. Table wood saw 2

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12. Flip mechanism 1

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13. Flip mechanism 2

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14. Transport mechanism 1

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15. Parallel feeder 1


16. Parallel feeder 2


17. Movable spring feeding tube


18.Part positioning


19. Push belt mechanism


20. Bring into the organization


21. Correction of grinding wheel device


22. Cutting gear on forming machine 1


The direct contact between the cable and the green disc must be equal to the gear pitch circle diameter. The number of holes on the blue disk is equal to the number of teeth. A rack and pinion drive can be used instead of cables to avoid cable slippage.


23. Cutting gear on forming machine 2

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This method is only used for the small gear module m and the number of small teeth z. The tool is in the shape of a rack. No need for indexing. The total displacement of the table carrying the workpiece must be greater than ╥*m*z.


24. Portable boring machine 1

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Combination of planetary gear drive and nut screw drive. The blue shaft carrying the nut screw is the input. The red tool is fixed on the pink nut slider with a small pitch spiral movement. This mechanism is used for large workpieces (glass) that are difficult to machine on a lathe or boring machine.


25. Wheel balance 1

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The grinding wheel assembly is between two parallel shafts. If the component is statically unbalanced, gravity causes its center of mass to be below the assembly axis. Move the green weights into the dovetail slot of the component, fix them to obtain balance, and then test the component again.


26. Wheel balance 2

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The grinding wheel assembly is between the four free rollers. If the component is statically unbalanced, gravity causes its center of mass to be below the assembly axis. Move the pink weights into the dovetail slot of the component, fix them to obtain balance, and then test the component again. The function of the four rollers is to minimize the friction caused by the rotation of the assembly.


27. Connection plate cutting mechanism 1


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28. Connection plate cutting mechanism 2

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29. Slicing machine


30. Cam Driven Scissors 1


31. Making a sphere on a milling machine 1

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The workpiece is clamped on the chuck of the indexing head and rotated by hand. The tool is clamped on a spindle that allows it to be adjusted radially.


32. Making a sphere on a milling machine 2

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Process convex asymmetric sphere surface. The workpiece is clamped on the chuck of the indexing head and rotated by hand. The tool is clamped on a spindle that allows it to be adjusted radially. The workpiece axis and the mandrel must intersect. The position of the tool point relative to the workpiece determines the dimension of the surface of the sphere to be machined.


33. Making a sphere on a milling machine 3

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Process concave sphere surface. The workpiece is clamped on the chuck of the indexing head and rotated by hand. The tool is clamped on a spindle that allows it to be adjusted radially. The workpiece axis and the mandrel must intersect. The position of the tool point relative to the workpiece determines the dimension of the surface of the sphere to be machined.


34. Lulo polygon milling square


35. Roullo polygon milling triangle


36. Lulo polygon milling hexagon


37. Milling contour 1


Eccentric pink shaft input.


The red cutter mills the contour on the yellow workpiece, and the yellow workpiece is fixed on the gray gear shaft. The transmission ratio of the pink pulley to the gray gear shaft is 6, so the star profile created has 6 wings. Due to the irregular rotation of the gray gear shaft, the wings are not symmetrical. The contour shape depends on the relative position of the cutter and the workpiece. The black belt represents the toothed belt. It is better to use chain drive instead of belt drive.


38. Planetary gear transmission track B5

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A device for milling pentagons. r: the pitch radius of the fixed green sun gear; R: the pitch radius of the yellow planetary gear


K=R/r=5. In order to obtain a rounded pentagonal trajectory, the distance between the red tool axis and the sun gear axis is (8/30)r. Pink disk input.


39. Milling Archimedes spiral groove device

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40. Milling inner cylinder surface fixture

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41. Drill the hexagonal hole 1a

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The Reullo pentagon rotates within the hexagon. The trajectories of the different points of the pentagon are displayed. The red track is part of the drilled hexagonal hole. Its corners are rounded. The inscribed round hole of the hexagonal hole must be drilled in advance.


42. Drill hexagon hole 1b


Based on the "Drilling Hexagon Hole 1a" mechanism for drilling rounded hexagonal holes.


43. Drill square hole 2a


The Rullo triangle rotates inside the square. The trajectories of the different points of the triangle are displayed. The red trajectory is part of the drilled square hole. Its horns are sharp. The inscribed round hole of the square hole must be drilled in advance.


44. Drill square holes 2b


The mechanism of drilling square holes with sharp corners based on "square hole drilling 1a".


45. Drill a hexagonal hole 2a


The Reullo pentagon rotates within the hexagon. The trajectories of the different points of the pentagon are displayed. The red track is part of the drilled hexagonal hole. Its horns are sharp. The inscribed round hole of the hexagonal hole must be drilled in advance.


46. Drill hexagonal holes 2b


Based on the "Drilling Hexagonal Hole 2a", the mechanism of drilling a sharp-angled hexagonal hole.


47. Drill triangular holes 1a


An ellipse rotates inside the triangle. The trajectories of different points of the ellipse are displayed. The red trajectory is part of the drilling triangle hole. Its horns are sharp. The inscribed round hole of the triangular hole must be drilled in advance.


48. Drilling triangle holes 1b

A sharp-angled triangular hole drilling mechanism based on the "drilling triangular hole 1a".


49. Irregular Reuleaux triangle

Irregular Reuleaux triangles rotate within the square. The schematic diagram of the Reullo triangle and the trajectories of the different points are shown.


50. Advance the drilling belt mechanism

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Do you have a question

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Mr. Yan

+86-13861269783

Address

No.58, Tongjiang South Road, Zhonglou District, Changzhou, China
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