Introduction: The Wind Powered Car

Picture of The Wind Powered Car

The project itself from the theme of environmental protection,

the traditional internal combustion engine automobile pollution, electric vehicles will become mainstream, with environment protection as the starting point, by car design of the electric drive, the most environmentally friendly electric mode is solar energy, considering the indoor light, eventually driving method for pneumatic drive, determination of the project integrated in many aspects consider, such as the shape design, driving performance and requirements.

To sum up, other to attract sb.'s attention, should have one's own knack in
shape, meet the requirements of pneumatic car driving, little resistance, light weight etc.. He jumped out of the shackles of conventional car shape structure. Based on these ideas, the scorpion pictures found accidentally, had a sudden inspiration, features a scorpion that aggressive, fierce just reflect the car to drive, and the structure is easy to realize, can meet the unique shape, such as the idea of feature weight. The model results or final presentation to initial expectations, regardless of form, performance achieved satisfactory effect.

Step 1: Materials and Equipment

Picture of Materials and Equipment

I, main points of making

(1) modeling entity design software

(2) three dimensional printing

(3) part adjusting polishing coating

(4) the overall assembly and adjustment parts

(5) driving system, lighting system installation and adjustment

Equipment, tools and materials

Hardware: computer, 3D printer

Software: entity design software, 3D printer control software

Annex: motor, fan blades, a battery box, Led, wire etc.

Tools and accessories: electric iron, solder, flux, cutter, file, sandpaper, putty, paint, quick drying glue

Step 2: Creative Design

Picture of Creative Design

The project itself from the theme of environmental protection, the

traditional internal combustion engine automobile pollution, electric vehicles will become mainstream, with environment protection as the starting point, by car design of the electric drive, the most environmentally friendly electric mode is solar energy, considering the indoor light, eventually driving method for pneumatic drive, determination of the project integrated in many aspects consider, such as the shape design, driving performance and requirements.

To sum up, other to attract sb.'s attention, should have one's own knack in
shape, meet the requirements of pneumatic car driving, little resistance, light weight etc.. He jumped out of the shackles of conventional car shape structure. Based on these ideas, the scorpion pictures found accidentally, had a sudden inspiration, features a scorpion that aggressive, fierce just reflect the car to drive, and the structure is easy to realize, can meet the unique shape, such as the idea of feature weight. The model results or final presentation to initial expectations, regardless of form, performance achieved satisfactory effect.

As a result of this work considered to meet certain requirements, such as the track width, height, length of rail profile, creative, rationality of structure, speed and so on, so the need for system optimization in the scope of the provisions of the constraint conditions of the system inside, so that the system reaches the optimal target.

This production has also joined the electronic control, product design,
sketch, three view etc..

The structure function analysis

In the structure of the Reduce weight design, meet the strength of the premise of both weight into account, ensure the running speed, the frame structure using a unique design; collecting duct design, ensure the fan thrust, lifting speed effect; increase the lighting design, two blue light it is evil eyes, red tail light indicates so toxic stings, increase the great taste for car; the round structure design, meet the scorpion other profile, the actual is for the car to reduce friction design; because of breaking away from traditional car styling, fan front decreases the barrier are more conducive to the fan efficiency; increase the guide wheel design, before the low high (two after the guide wheel to avoid the destruction of the whole structure, add wing), ensure the vehicle flexible driving in the chute; other to make scorpions pliers wheel bracket in leading, in the front hollow scorpion design to highlight the theme.

Through the above design, final both appearance and travel have achieved excellent results.

Step 3: The Implementation Process

Picture of The Implementation Process

Firstly, the design idea of designing pneumatic car innovation, use of bionic

shape, imitate very offensive, aggressive scorpion as a design blueprint, give a person find everything fresh and new feeling;

(1)To determine the size of model

The width of not more than120mm,The length of not more than180mm(See The picture-3)

(2)Design sketch

According to the idea to draw the basic structure diagram(The picture-16 and The picture-17)

The picture-16 Axonometric drawings The picture-17 The left optic sketch

(3)Design modeling

According to the sketch size application entity design software of the body and the wheels and other parts are designed modeling.

A The pneumatic car body, the front, middle guard plate, rear wheel cover, the wing parts according to its structure feature, modeling method mainly adopts the stretching, rotation, mirror, lofting, surface trimming, shell etc., Effect diagram see The picture-18 to The picture-22。

B The wheel, pulley, lamp, poly pipe pneumatic car structure for rotary parts, should be obtained by rotation increase material, tensile modeling method,Effect diagram see The picture-23 to The picture-28.

C Parts after the design is completed using three-dimensional ball assembly, and verify that you have less interference and the structure of the parts, to further improve the, Effect diagram see The picture-29 to The picture-32。

D Assembly and revised requirements according to the technical characteristics, processing, perfect and the detail process of parts, generating structure sketch,see The picture-33

Step 4: The Processing Requirements

Picture of The Processing Requirements

(1)Print

All parts are used to print car 3D rapid prototyping machine, in order to ensure the strength of the integral structure, the print parameters need to be carefully arranged, such as floors, mesh density; because the car by assembling a plurality of parts and machining accuracy, so the parts with high requirements, parameter setting is very important. In order to prevent parts overlap problems in print, to car parts after printing.

(2)Assembly The printed parts are trimmed, and then try to assemble, test assembly without the problem before bonding, the assembly to ensure the moving parts and flexible and reliable running.

(3)Post processing Post processing, attention (or putty putty) not too heavy, avoid unnecessary weight, grinding is not too heavy, avoid the impact strength. Pay attention to ventilation and dustproof, fireproof coating.

(4)Electronic devices and lighting installation Electronic device assembly electrode positive and negative attention, including the steering motor and Led lights.

Step 5: The Machining Process

Picture of The Machining Process

(1)3Dprinting

The entity design software to design file into a STL file, import 3D printer, print parameters correctly, packing printing materials, equipment adjustment to the correct state, print. Effect diagram see The picture-34.

(2)Trim assembly To print the finished parts carefully peel bottom, removing the support material used for trimming precision, lower part, damage the insufficient portion adhesive filling, according to the assembly drawing of parts for assembly. Effect diagram see The picture-35 to The picture-36.

(3)Coating. Verification test assembly without error, can beautify the surface coating, beautify the best approach is using acetone fumigation, but because of safety, environmental protection and health reasons, do not recommend this approach, the teacher can grasp. This example uses the atomic ash (filling) fill, surface treatment sandpaper and grinding method, compared with acetone method is long, the effect is also good, the completion of the use of spray paint finish painting. Note: polishing and coating process pay attention to personal protection and ventilation, suggestions for outdoor operatio。Effect diagram see The picture-37 to The picture-38.

(4)Accessories and electronic component mounting In the debug car all structure sliding, and electronic component mounting of accessories, including motor, switch, a battery box, resistor, LED, pay attention to the positive and negative electrodes in the installation process, especially LED can not take the wrong electrode, energized after passing the test, to harness were collected, fixed. Effect diagram see The picture-39 to The picture-42.

Step 6: Step Summary

Picture of Step Summary

Comments

Wow, awesome!

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