{"id":3034,"date":"2026-03-09T15:34:01","date_gmt":"2026-03-09T06:34:01","guid":{"rendered":"https:\/\/www.aisin.com\/jp\/group\/art-piston\/?page_id=3034"},"modified":"2026-03-26T09:37:43","modified_gmt":"2026-03-26T00:37:43","slug":"products","status":"publish","type":"page","link":"https:\/\/www.aisin.com\/jp\/group\/art-piston\/en\/products\/","title":{"rendered":"Products and Businesses"},"content":{"rendered":"\n<ul class=\"wp-block-list anc__nav\">\n<li><a href=\"#h201\">Pistons for Gasoline Engines<\/a><\/li>\n\n\n\n<li><a href=\"#h202\">Pistons for Diesel Engines<\/a><\/li>\n\n\n\n<li><a href=\"#h203\">Piston Pins<\/a><\/li>\n\n\n\n<li><a href=\"#h204\">What is a Piston?<\/a><\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-10934eccf37e93c4c81a8964c16d4902\" style=\"color:#185aa4\"><strong>Based on our proprietary research and technology,<br>we provide world-class pistons through an integrated production process.<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1160\" height=\"450\" src=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_full_01.jpg\" alt=\"\" class=\"wp-image-2482\" srcset=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_full_01.jpg 1160w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_full_01-300x116.jpg 300w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_full_01-1024x397.jpg 1024w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_full_01-768x298.jpg 768w\" sizes=\"auto, (max-width: 1160px) 100vw, 1160px\" \/><\/figure>\n<\/div>\n\n\n<p>To address global environmental challenges and enhance safety and comfort, our creative, high-quality, and high-performance Art pistons play a vital role in engines worldwide.<\/p>\n\n\n\n<p>Always staying ahead of trends such as improved fuel efficiency and higher power output, Art pistons are used in a wide range of applications\u2014from passenger and commercial vehicles to outboard motors, general-purpose machinery, and racing engines. These products are born from our relentless R&amp;D and a steadfast spirit of craftsmanship. We are highly regarded in both domestic and global markets, actively engaging in international sales, overseas assignments of technical and sales staff, and technical alliances with global manufacturers.<\/p>\n\n\n\n<p>We believe that the mission of Art is to earn even greater trust in domestic and international piston markets through cutting-edge technology that stays one step ahead.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" data-id=\"2484\" src=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0101.jpg\" alt=\"\" class=\"wp-image-2484\" srcset=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0101.jpg 800w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0101-300x169.jpg 300w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0101-768x432.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" data-id=\"2485\" src=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0102.jpg\" alt=\"\" class=\"wp-image-2485\" srcset=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0102.jpg 800w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0102-300x169.jpg 300w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0102-768x432.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/figure>\n\n\n\n<div class=\"anc__point\" id=\"h201\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h201\">Pistons for Gasoline Engines<\/h2>\n\n\n\n<p>While modern gasoline engines demand lightweight and low-friction pistons for better fuel economy, they also face greater stress from downsizing and high-speed operation. We achieve high-performance results by balancing \u201cthin-wall weight reduction\u201d with \u201crobust strength and reliability.\u201d This is made possible through our CAE-driven optimized designs and the integration of cutting-edge manufacturing technologies.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Pistons for Automobiles<\/h3>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0201.jpg\" alt=\"\" class=\"wp-image-2486\" srcset=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0201.jpg 800w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0201-300x225.jpg 300w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0201-768x576.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0202.jpg\" alt=\"\" class=\"wp-image-2487\" srcset=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0202.jpg 800w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0202-300x225.jpg 300w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0202-768x576.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>These images are used by Art Metal Mfg. Co., Ltd. under license from Toyota Motor Corporation, Daihatsu Motor Co., Ltd., Suzuki Motor Corporation, and Mitsubishi Motors Corporation. Unauthorized reproduction or diversion of these images is strictly prohibited.<\/p>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Pistons for Motorcycles<\/h3>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0301.jpg\" alt=\"\" class=\"wp-image-2489\" srcset=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0301.jpg 800w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0301-300x225.jpg 300w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0301-768x576.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0302.jpg\" alt=\"\" class=\"wp-image-2491\" srcset=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0302.jpg 800w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0302-300x225.jpg 300w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0302-768x576.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>These images are used by Art Metal Mfg. Co., Ltd. under license from Suzuki Motor Corporation and Kawasaki Heavy Industries, Ltd. Unauthorized reproduction or diversion of these images is strictly prohibited.<\/p>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Pistons for Outboard Motors and Personal Watercraft (Jet Skis)<\/h3>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0401.jpg\" alt=\"\" class=\"wp-image-2492\" srcset=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0401.jpg 800w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0401-300x225.jpg 300w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0401-768x576.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0402.jpg\" alt=\"\" class=\"wp-image-2493\" srcset=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0402.jpg 800w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0402-300x225.jpg 300w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0402-768x576.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>These images are used by Art Metal Mfg. Co., Ltd. under license from Yamaha Motor Co., Ltd. and Suzuki Motor Corporation. Unauthorized reproduction or diversion of these images is strictly prohibited.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"anc__point\" id=\"h202\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h202\">Pistons for Diesel Engines<\/h2>\n\n\n\n<p>Diesel engines offer better thermal efficiency than gasoline engines, leading to lower CO\u2082 emissions and growing expectations for their role in preventing global warming. To meet stringent emissions regulations for \u201cclean diesel\u201d engines, we develop pistons that satisfy high heat resistance and durability requirements by applying optimized cooling structures, high-strength materials, and innovative technologies.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Pistons for Automobiles<\/h3>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0501.jpg\" alt=\"\" class=\"wp-image-2494\" srcset=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0501.jpg 800w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0501-300x225.jpg 300w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0501-768x576.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0502.jpg\" alt=\"\" class=\"wp-image-2495\" srcset=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0502.jpg 800w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0502-300x225.jpg 300w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0502-768x576.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>These images are used by Art Metal Mfg. Co., Ltd. under license from Toyota Motor Corporation and Mazda Motor Corporation. Unauthorized reproduction or diversion of these images is strictly prohibited.<\/p>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Pistons for General-Purpose Engines<\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0601.jpg\" alt=\"\" class=\"wp-image-2499\" srcset=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0601.jpg 800w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0601-300x225.jpg 300w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0601-768x576.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<div class=\"anc__point\" id=\"h203\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h203\">Piston Pins<\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>Piston pins connect the piston to the connecting rod. To reduce weight, they feature a hollow structure made of materials such as chrome alloy steel with surface hardening treatments, ensuring both strength and wear resistance. In recent years, an increasing number of our products are coated with DLC (Diamond-Like Carbon) to further reduce friction and improve seizure resistance.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0701.jpg\" alt=\"\" class=\"wp-image-2501\" srcset=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0701.jpg 800w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0701-300x225.jpg 300w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0701-768x576.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2026\/03\/products_0702.jpg\" alt=\"\" class=\"wp-image-3037\" srcset=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2026\/03\/products_0702.jpg 800w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2026\/03\/products_0702-300x225.jpg 300w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2026\/03\/products_0702-768x576.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"anc__point\" id=\"h204\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h204\">What is a Piston?<\/h2>\n\n\n\n<p>In an internal combustion engine, the piston is the \u201ckey\u201d component that converts combustion (thermal) energy into kinetic energy.<\/p>\n\n\n\n<p>Within the engine, it must withstand temperatures exceeding 300\u00b0C and high pressures over 10 MPa, while reciprocating at several thousand revolutions per minute. It is a component that demands both \u201ctoughness\u201d to endure such conditions and \u201cprecision\u201d to perform at high speeds.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-video\"><video height=\"486\" style=\"aspect-ratio: 648 \/ 486;\" width=\"648\" controls src=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/piston.mp4\"><\/video><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Main Piston Components and Their Functions<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2026\/03\/products_0802.jpg\" alt=\"Main Piston Components and Their Functions\" class=\"wp-image-3041\" srcset=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2026\/03\/products_0802.jpg 800w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2026\/03\/products_0802-300x225.jpg 300w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2026\/03\/products_0802-768x576.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">Main Piston Components and Their Functions<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Balancing Strength and Lightweight Performance<\/h3>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h4 class=\"wp-block-heading\">Robustness to Withstand Immense Combustion Pressure<\/h4>\n\n\n\n<p>An automobile piston is a small component\u2014compact enough to fit in the palm of your hand\u2014yet it must withstand a combustion load equivalent to the weight of several vehicles.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Demand for Weight Reduction<\/h4>\n\n\n\n<p>As a reciprocating component within the engine, a lighter piston directly contributes to enhanced engine performance by reducing friction and vibration while improving throttle response.<\/p>\n\n\n\n<p>Therefore, there is a constant demand for pistons that are both robust and lightweight.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0902.png\" alt=\"\" class=\"wp-image-2507\" srcset=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0902.png 800w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0902-300x225.png 300w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_0902-768x576.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Contribution to Improved Combustion<\/h3>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h4 class=\"wp-block-heading\">Modern Internal Combustion Engines<\/h4>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_1001.jpg\" alt=\"\" class=\"wp-image-2509\" srcset=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_1001.jpg 800w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_1001-300x225.jpg 300w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_1001-768x576.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>With the ever-increasing demand for fuel efficiency, engines are required to achieve highly efficient combustion, leading to a rise in direct-injection engines.<\/p>\n\n\n\n<p>By optimizing the shape of the piston crown, we contribute to achieving superior combustion efficiency.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h4 class=\"wp-block-heading\">Heat Transfer from Combustion<\/h4>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_1002.jpg\" alt=\"\" class=\"wp-image-2510\" srcset=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_1002.jpg 800w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_1002-300x225.jpg 300w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_1002-768x576.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>Rising temperatures within the combustion chamber can lead to \u201cabnormal combustion\u201d (engine knocking) or \u201cpiston melting.\u201d<\/p>\n\n\n\n<p>By transferring the heat generated during combustion through the piston rings to the cylinder, coolant, and lubricating oil, we effectively control the temperature of the combustion chamber.<\/p>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Contribution to Fuel Efficiency<\/h3>\n\n\n\n<p>To improve fuel efficiency and engine quietness, pistons\u2014as moving parts\u2014must achieve \u201csmooth motion.\u201d<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h4 class=\"wp-block-heading\">Optimal Clearance and Profile<\/h4>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_1101.jpg\" alt=\"\" class=\"wp-image-2511\" srcset=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_1101.jpg 800w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_1101-300x225.jpg 300w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_1101-768x576.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>The outer diameter of the piston, which moves up and down within the cylinder, requires precision on the order of micrometers (\u03bcm).<br>Furthermore, the outer profile of the section known as the \u201cskirt\u201d features complex curved surfaces, including \u201cbarrel\u201d and \u201coval\u201d shapes.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h4 class=\"wp-block-heading\">Surface Treatment for Friction Reduction<\/h4>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_1102.jpg\" alt=\"\" class=\"wp-image-2512\" srcset=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_1102.jpg 800w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_1102-300x225.jpg 300w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2024\/02\/products_1102-768x576.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>To reduce friction, an increasing number of pistons feature resin-based coatings applied to the skirt section.<\/p>\n\n\n\n<p>Additionally, some models adopt FSR (Fine Surface Reforming) treatment, a technology designed to further reduce friction and improve lubrication conditions.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h4 class=\"wp-block-heading\">Postural Stabilization<\/h4>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2026\/03\/products_1103-1.jpg\" alt=\"\" class=\"wp-image-3046\" srcset=\"https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2026\/03\/products_1103-1.jpg 800w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2026\/03\/products_1103-1-300x225.jpg 300w, https:\/\/www.aisin.com\/jp\/group\/art-piston\/cms\/wp-content\/uploads\/2026\/03\/products_1103-1-768x576.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>Poor piston posture (tilting) during its reciprocating motion can lead to issues such as increased \u201cslap noise\u201d from cylinder wall impact and higher oil consumption.<\/p>\n\n\n\n<p>By offsetting the pin hole position and optimizing the skirt profile, we achieve stable piston behavior.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Based on our proprietary research and technology,we provide world-class pistons through an integrated producti [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":3007,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"page-en.php","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-3034","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Products and Businesses | Art Metal Mfg. 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