Here’s how to make a five-leaf windmill:
Making a five-leaf windmill is a fun and challenging crafting project. The method of making a five-blade windmill will be described in detail from three aspects: material preparation, production steps and precautions.
1. Material preparation
1. Cardboard: Choose a thicker piece of cardboard as the base of the windmill and prepare some Thinner cardboard is used to make the blades.
2. Pencil and ruler: used to mark and measure cutting locations on cardboard.
3. Scissors and knives: used for cutting cardboard and cutting the shape of leaves.
4. Small hole pins or pins: used to fix windmill blades and connect the base.
5. Colored paintbrushes or decorative paper: used to paint and decorate the windmill.
2. Production steps
1. Prepare the windmill base: Use a pencil and ruler on cardboard to draw a square or Make a circular base pattern and cut it out with scissors or a knife.
2. Make windmill blades: Use a pencil and ruler to draw five equal-sized blade patterns on thin cardboard, and cut them with scissors or a knife.
3. Color or decorate the leaves: Use colored paintbrushes or decorative paper to color or decorate each leaf to make it more vivid and interesting.
4. Connect the blades to the base: Use a small hole pin or pin to fix the center of each blade, and then connect the blades to the base to ensure that the blades can rotate freely.
5. Fix the shaft and base: Use a small hole pin or pin to fix an shaft in the center of the base to ensure that the windmill can rotate stably.
6. Testing and adjustment: Blow gently with your hands or test the rotation of the windmill in a place with strong wind, and fine-tune the angle of the blades and the fixed position of the base as needed.
3. Precautions
1. Use scissors and knives carefully during the production process to avoid injury. Recommended to be produced under adult guidance or supervision.
2. Make sure the windmill blades are of the same shape and relatively balanced so that they can rotate better.
3. The base and blades must be firmly fixed to ensure that the windmill can rotate smoothly.
4. When painting and decorating, you can use different colors and patterns according to personal preferences to increase the beauty of the windmill.
5. During testing and adjustment, the angle of the blades and the position of the base can be fine-tuned according to the actual situation to make the windmill rotate more smoothly.
Oil leakage from scooter gearbox
1. The standards for T-bolts are as follows: ANSI \ASME B18.5, DIN186, DIN188, DIN261, DIN1445, GB/T37, JB 1709, JIS B 1166 and other standards. 2. This bolt has several uses: used on solar brackets, used on paper machines to fix the bottom of the machine, used on wind turbines, and other places where T-bolts are needed. 3. The materials of T-bolts are generally divided into stainless steel and carbon steel. Carbon steel is mainly used in paper-making machines, while stainless steel is mainly used in wind power generation and solar panels. Our company has purchased T-bolts from Kunshan Hualuo Hardware Products Co., Ltd. They can customize them according to the drawings and provide standard parts.
Clean and replace the damaged oil seal. Pay attention to the position pointed by the arrow in the picture above. There is a gap between the oil seal and the bearing. The "inspection hole" manufacturer designed this small hole so that when the oil seal fails, we can detect the fault in time and the gear oil will overflow from the small hole. With this small hole, the oil will not flow from the rear axle to the brake pads, causing safety hazards. Hidden danger.
Application scope of gearbox
For example, in wind turbines, gearboxes are an important mechanical component widely used in wind turbines. Its main function is to transmit the power generated by the wind wheel under the action of wind to the generator and obtain the corresponding rotation speed. Usually the speed of the wind wheel is very low, far less than the speed required by the generator to generate electricity.