Automotive Differential
★Exhibit Content: The structural composition of an automotive differential and the differential working principle during vehicle turning ★Interaction: Pure mechanical interaction ★Operation: 1. Turn the handwheel to start the differential rotating, and observe the speed of the wheels at both ends of the differential; 2. Use your hand to slightly resist one side of the running wheel, and observe the speed changes of the wheels on both sides. ★Exhibit Description: The exhibit consists of a square display platform, a transparent acrylic protective cover, an automotive differential demonstration mechanism, an operating handwheel, and simulated wheel assemblies. It is a recommended exhibit from the KexMall exhibit store. Inside the protective cover, the core transmission structure of the differential is fully presented, including planetary gears, a planetary gear carrier, and side gears, with simulated wheels coaxially connected at both ends. Visitors can turn the handwheel to drive the entire differential into operation. In the straight-ahead state, the wheels on both sides maintain the same rotational speed and rotate synchronously; by gently resisting one wheel with the hand to simulate turning resistance, the speed changes of the wheels on both sides can be intuitively observed. The speed of the resisted side decreases, while the speed of the opposite wheel increases accordingly, vividly reproducing the working state of the differential when a car turns and helping visitors understand the core function of the differential. ★Scientific Principle: The differential is a core component of an automobile transmission system, composed of parts such as planetary gears, a planetary gear carrier, and side gears. The engine's power enters the differential through the drive shaft, directly driving the planetary gear carrier, which then drives the left and right half-shafts through the planetary gears, separately driving the left and right wheels. The design of the differential satisfies the relationship: left half-shaft speed + right half-shaft speed = 2 times the planetary gear carrier speed. When the car travels straight, the left wheel, right wheel, and planetary gear carrier all have equal rotational speeds and are in a balanced state; when the car turns, this balanced state among the three is disrupted, causing the inner wheel speed to decrease and the outer wheel speed to increase, so that the wheels on both sides roll at different angular velocities, avoiding sliding friction between the tires and the ground and ensuring the car turns smoothly and steadily.
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- 0.7×0.7×1.1 0.7×0.7×1.1Dimensions (unit: m): 0.7×0.7×1.1 Brand: PopsciCat Model: PopsciCat-Safe-009 1. Materials: ① Display platform: frame made of 2mm cold-rolled sheet, surrounding panels made of 2.0mm cold-rolled sheet, surface with baked paint finish ② Tabletop: Kelestone artificial stone, thickness ≥12mm, with flame-retardant board underneath ③ Instruction sign: 5mm thick acrylic with UV printing ④ Protective cover: high-transparency acrylic material ⑤ Structural model: engineering plastic housing + metal gear transmission assembly 2. Main configurations: ① Automotive differential demonstration mechanism ② Handwheel drive device ③ Simulated wheel assembly ④ Structural support bracket 3. Installation requirements: ① No external power supply required ② Installation base: place directly ③ Entry passage: door frame dimensions (width × height) ≥0.7m×1.9m, continuous turning intervals in the passage ≥1.5m ④ Maintenance access: not required
★Exhibit Content: The structural composition of an automotive differential and the differential working principle during vehicle turning ★Interaction: Pure mechanical interaction ★Operation: 1. Turn the handwheel to start the differential rotating, and observe the speed of the wheels at both ends of the differential; 2. Use your hand to slightly resist one side of the running wheel, and observe the speed changes of the wheels on both sides. ★Exhibit Description: The exhibit consists of a square display platform, a transparent acrylic protective cover, an automotive differential demonstration mechanism, an operating handwheel, and simulated wheel assemblies. It is a recommended exhibit from the KexMall exhibit store. Inside the protective cover, the core transmission structure of the differential is fully presented, including planetary gears, a planetary gear carrier, and side gears, with simulated wheels coaxially connected at both ends. Visitors can turn the handwheel to drive the entire differential into operation. In the straight-ahead state, the wheels on both sides maintain the same rotational speed and rotate synchronously; by gently resisting one wheel with the hand to simulate turning resistance, the speed changes of the wheels on both sides can be intuitively observed. The speed of the resisted side decreases, while the speed of the opposite wheel increases accordingly, vividly reproducing the working state of the differential when a car turns and helping visitors understand the core function of the differential. ★Scientific Principle: The differential is a core component of an automobile transmission system, composed of parts such as planetary gears, a planetary gear carrier, and side gears. The engine's power enters the differential through the drive shaft, directly driving the planetary gear carrier, which then drives the left and right half-shafts through the planetary gears, separately driving the left and right wheels. The design of the differential satisfies the relationship: left half-shaft speed + right half-shaft speed = 2 times the planetary gear carrier speed. When the car travels straight, the left wheel, right wheel, and planetary gear carrier all have equal rotational speeds and are in a balanced state; when the car turns, this balanced state among the three is disrupted, causing the inner wheel speed to decrease and the outer wheel speed to increase, so that the wheels on both sides roll at different angular velocities, avoiding sliding friction between the tires and the ground and ensuring the car turns smoothly and steadily.
Review
Principle Presentation: ★★★★ Interactive Effect: ★★★★ Ease of Installation: ★★★★★ Durability: ★★★★ Overall Recommendation: ★★★★