Lamp History There is a kind of magical power that has driven humanity forward on the long journey of pursuit, without fear of hardship or fatigue. The invention of lamps has illuminated the path ahead, helped us say goodbye to darkness, and made the night more comfortable, beautiful, and safe. Over time, the lamp has evolved into a perfect blend of science and art, becoming an essential part of our daily lives. The history of lighting has gone through several stages—from fire, to oil, and finally electricity. Lighting tools have continuously evolved, from torches and candles, to kerosene lamps, incandescent bulbs, and fluorescent lights. Today, we have a wide variety of lighting options, including energy-saving lamps, decorative lights, landscape lights, heating lamps, navigation lights, indicator lights, night lights, photo lamps, disinfection lamps, and plant-growing lamps. Each type serves a unique purpose, reflecting the progress of technology and design. The development of lamps is not only a story of technological advancement but also a reflection of human civilization. It's a journey of seeking light—both literal and metaphorical. Throughout this journey, many fascinating stories and innovations have emerged. The House of Light will take a unique approach to guide you through this rich and inspiring history, offering a glimpse into the past and the evolution of illumination.
Guide Ring is a mechanical seal, also known as a guide ring. It is usually made of metal or plastic and used to support and position pistons or rods. Guide Ring has excellent wear resistance and corrosion resistance, which can effectively reduce leakage and friction, thereby extending equipment life. Guide Ring is widely used in the hydraulic, pneumatic, mechanical, and automotive industries as an important mechanical seal.
The classification of Guide Ring can be divided by material, structure, and purpose. According to material classification, Guide Rings are mainly divided into metal Guide Rings and plastic Guide Rings. Metal Guide Rings are usually made of metals such as copper, iron, and stainless steel, which have high strength, wear resistance, and high-temperature resistance; The plastic Guide Ring is usually made of polytetrafluoroethylene (PTFE), nylon, polyimide and other materials, with good corrosion resistance and low friction coefficient.
According to structural classification, Guide Rings are mainly divided into unidirectional Guide Rings and bidirectional Guide Rings. A unidirectional guide ring can only withstand pressure in one direction and is typically used in hydraulic and pneumatic systems; The bidirectional guide ring can withstand bidirectional pressure and is typically used in the mechanical and automotive industries.
According to usage classification, Guide Rings are mainly divided into piston Guide Rings and rod Guide Rings. The piston guide ring is usually used to support and position the piston, preventing friction and leakage between the piston and the cylinder liner; The rod guide ring is used to support and position the rod, preventing friction and leakage between the rod and the seal.
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History of lighting