What is explosion-proof? [Explosion-proof related information] We will explain about explosion-proof.
CP Series
What is explosion-proof construction? It refers to the structure of products designed to prevent explosions and fires. In "hazardous locations" such as factories, machinery and equipment must be explosion-proof (explosion-proof equipment).
Areas where there is a risk of generating a dangerous atmosphere are referred to as hazardous locations (e.g., areas where flammable gases or vapors are present or may leak). When using motors in such areas, it is necessary to select explosion-proof equipment and motors that have implemented explosion-proof measures to reduce the risk of ignition and explosion. Conditions that can lead to ignition or explosion: 1) The presence of flammable gases or vapors. 2) The presence of ignition sources and oxygen that can reach the ignition temperature of those gases or vapors in the vicinity. If any one of these can be eliminated, ignition or explosion will not occur. Types of explosion-proof structures: 1) Flameproof structure (d) ... Enclosed in a pressure-resistant container that can withstand explosions. 2) Oil-filled explosion-proof structure (o) ... The arc-generating parts are housed in insulating oil to prevent sparks from igniting. 3) Pressurized explosion-proof structure (f) ... A protective gas is continuously sealed inside the container, maintaining internal positive pressure to prevent flammable gases from entering from the outside. 4) Increased safety explosion-proof structure (e) ... A structure that increases safety to prevent sparks and localized high temperatures. 5) Intrinsic safety explosion-proof structure (i) ... A structure recognized as safe by official organizations. 6) Special explosion-proof structure (s) ... A structure recognized as safe by official organizations that does not fall under the above categories.
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basic information
Types of Explosion-Proof Structures (Details) Pressure-Resistant Explosion-Proof Structure A structure that has explosion-proof performance, ensuring that even if an explosion occurs inside the container, it does not affect the outside of the container. Oil-Filled Explosion-Proof Structure A method of isolating the ignition source from combustible gases and vapors by immersing it in insulating oil. Internal Pressure Explosion-Proof Structure A method of filling the inside of the container with pressurized non-combustible gases such as air or nitrogen to isolate combustible gases and vapors outside the container from the ignition source. Increased Safety Explosion-Proof Structure An explosion-proof structure applied only to electrical equipment that does not act as an ignition source during normal operation. Since electrical equipment that typically does not act as an ignition source can still become an ignition source due to electric sparks, this structure is referred to as an increased safety explosion-proof structure. Intrinsic Safety Explosion-Proof Structure Applicable only to low-voltage electrical equipment, designed to prevent the generation of inherently hazardous sparks or high heat. Special Explosion-Proof Structure A structure that has explosion-proof performance against combustible gases and vapors, confirmed through tests, without relying on specific explosion-proof structures. This is intended to pave the way for the adoption of new explosion-proof structures based on new principles or incorporating technological advancements in new configurations and materials beyond existing explosion-proof structures. - Powder-Filled Explosion-Proof Structure - Resin-Filled Explosion-Proof Structure
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Applications/Examples of results
Battery-powered devices (such as AGVs), medical pumps, agricultural machinery, conveyors, desktop machine tools, industrial machinery, welfare robots, security robots, industrial electrical equipment, electronic components and semiconductor manufacturing equipment, automotive and transportation equipment, shipbuilding and heavy machinery, testing, analysis, and measurement, manufacturing and research institutions, and others.
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Company information
Coreless motors are engaged in the development, manufacturing, and sales of precision small motors, generators, and drivers, offering a wide range of products specialized in lightweight and energy-saving technologies through proprietary technology. 【Product Lineup】 - Coreless Brushless DC Motors - Cored Brushless DC Motors (ODM) - Small Geared Motors (ODM) - General-purpose Geared Motors (some ODM) - Gear-integrated Motors (Winner of the 36th Kanagawa Prefectural Industrial Technology Development Award) - In-wheel Motors for Electric Wheelchairs - Wheel Servo Motors (ODM) - Brushless Motor Drivers (some OEM) - Battery-powered AC Servo Motors (some ODM) - AC Servo Motion Controllers (ODM) - Renewable Energy Generators (some ODM) - Wind Turbines with EAT - IC Fan Motors - Conventional Axial Flow Fan Motors (ODM) - DC Blower Fan Motors (ODM) - Linear Motors