{"id":2938,"date":"2024-03-05T15:22:00","date_gmt":"2024-03-05T14:22:00","guid":{"rendered":"https:\/\/www.bf-hydraulik.com\/encyclopedia\/axial-piston-machine\/"},"modified":"2026-04-15T11:54:36","modified_gmt":"2026-04-15T09:54:36","slug":"axial-piston-machine","status":"publish","type":"encyclopedia","link":"https:\/\/www.bf-hydraulik.com\/en\/axial-piston-machine\/","title":{"rendered":"Axial piston machine"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"2938\" class=\"elementor elementor-2938 elementor-238\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-735b55f8 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"735b55f8\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-2820cb8b\" data-id=\"2820cb8b\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9fb9997 elementor-widget elementor-widget-text-editor\" data-id=\"9fb9997\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h1>Axial piston machine<\/h1><p><a href=\"https:\/\/www.bf-hydraulik.com\/en\/axial-piston-machine\/\" target=\"_self\" title=\"Axial piston machineAxial piston machines can convert mechanical energy into hydraulic energy (axial piston pump) or, conversely, hydraulic energy into mechanical energy (axial piston motor).Axial piston pumps provide maximum pressure.How&hellip;\" class=\"encyclopedia\">Axial piston machine<\/a>s can convert mechanical energy into hydraulic energy (axial piston pump) or, conversely, hydraulic energy into mechanical energy (axial piston motor).<\/p><p><a href=\"https:\/\/www.bf-hydraulik.com\/en\/axial-piston-pumps\/\" target=\"_self\" title=\"Axial Piston Pumps for Maximum PressureAxial piston pumps are designed for extremely high pressures. In addition to their performance, axial piston pumps impress with a compact design and simple operation.&hellip;\" class=\"encyclopedia\">Axial piston pumps<\/a> provide maximum pressure.<\/p><h2>How the axial piston machine works<\/h2><p>The <a href=\"https:\/\/www.bf-hydraulik.com\/en\/axial-piston-machine\/\" target=\"_self\" title=\"Axial piston machineAxial piston machines can convert mechanical energy into hydraulic energy (axial piston pump) or, conversely, hydraulic energy into mechanical energy (axial piston motor).Axial piston pumps provide maximum pressure.How&hellip;\" class=\"encyclopedia\">axial piston machine<\/a> operates with reciprocating pistons that are parallel to the drive shaft. By contrast, the pistons in a <a href=\"https:\/\/www.bf-hydraulik.com\/en\/radial-piston-pump\/\" target=\"_self\" title=\"Radial piston pump ensures high pressuresA radial piston pump is a type of hydraulic delivery pump. It is characterized by its ability to reach very high pressures of up to&hellip;\" class=\"encyclopedia\">radial piston pump<\/a> are perpendicular to the drive shaft. <\/p><p>This makes the <a href=\"https:\/\/www.bf-hydraulik.com\/en\/axial-piston-machine\/\" target=\"_self\" title=\"Axial piston machineAxial piston machines can convert mechanical energy into hydraulic energy (axial piston pump) or, conversely, hydraulic energy into mechanical energy (axial piston motor).Axial piston pumps provide maximum pressure.How&hellip;\" class=\"encyclopedia\">axial piston machine<\/a> significantly narrower than the <a href=\"https:\/\/www.bf-hydraulik.com\/en\/radial-piston-pump\/\" target=\"_self\" title=\"Radial piston pump ensures high pressuresA radial piston pump is a type of hydraulic delivery pump. It is characterized by its ability to reach very high pressures of up to&hellip;\" class=\"encyclopedia\">radial piston pump<\/a>, but also considerably longer. Which pump type is best suited to a given purpose depends primarily on the available installation space. In terms of flow rate and technical complexity, both pump designs are comparable.  <\/p><h3>An axial piston machine consists of the following components<\/h3><ul><li>Pump housing<\/li><li>Cylinders arranged in a ring<\/li><li>Wobble plate<\/li><li>Connecting rods<\/li><li>Pistons<\/li><li>Inlet port<\/li><li>Outlet port<\/li><li>Central shaft<\/li><\/ul><h3>Function<\/h3><p>The hydraulic fluid flows through the inlet port into the pump housing. From there, it is initially drawn in by the pistons. During the intake process, the piston travels along a 180&deg; arc. At this point, bottom dead centre is reached and the piston begins the discharge process again. After a further 180&deg;, this is completed and the cycle starts anew. The wobble plate angle determines the pump&rsquo;s <a href=\"https:\/\/www.bf-hydraulik.com\/en\/displacement\/\" target=\"_self\" title=\"Displacement as a Basis for Flow CalculationDisplacement is the amount of hydraulic fluid that a hydraulic motor requires for one working stroke. This volume is used for the design of&hellip;\" class=\"encyclopedia\">displacement<\/a> volume. The rotary motion is driven by the drive shaft, which is usually powered by an electric motor.      <\/p><h3>Applications of the axial piston machine<\/h3><p>The <a href=\"https:\/\/www.bf-hydraulik.com\/en\/axial-piston-machine\/\" target=\"_self\" title=\"Axial piston machineAxial piston machines can convert mechanical energy into hydraulic energy (axial piston pump) or, conversely, hydraulic energy into mechanical energy (axial piston motor).Axial piston pumps provide maximum pressure.How&hellip;\" class=\"encyclopedia\">axial piston machine<\/a> is used wherever particularly high <a href=\"https:\/\/www.bf-hydraulik.com\/en\/hydraulic-pressure\/\" target=\"_self\" title=\"Hydraulic Pressure ExplainedPressure is generally a force acting on a surface. Hydraulic pressure is accordingly a force transmitted through a fluid that acts on the internal walls of a hydraulic&hellip;\" class=\"encyclopedia\">hydraulic pressure<\/a>s are required. For this reason, it is the standard component of its type in heavy construction vehicles. Thanks to its slim design and the almost arbitrary positioning options, it can be integrated particularly well in these machines&rsquo; tight engine compartments. Other application areas for <a href=\"https:\/\/www.bf-hydraulik.com\/en\/axial-piston-machine\/\" target=\"_self\" title=\"Axial piston machineAxial piston machines can convert mechanical energy into hydraulic energy (axial piston pump) or, conversely, hydraulic energy into mechanical energy (axial piston motor).Axial piston pumps provide maximum pressure.How&hellip;\" class=\"encyclopedia\">axial piston machine<\/a>s include <a href=\"https:\/\/www.bf-hydraulik.com\/en\/hydraulic-presses\/\" target=\"_self\" title=\"Hydraulic Presses: Workhorses in Crafts and IndustryHydraulic presses are used where particularly high compressive forces are required. These machines are available in a wide variety and are an indispensable part&hellip;\" class=\"encyclopedia\">hydraulic presses<\/a>, high-capacity lifting platforms (for example on aircraft carriers) or lock gates.  <\/p><h3>How axial piston machines are maintained<\/h3><p><a href=\"https:\/\/www.bf-hydraulik.com\/en\/axial-piston-machine\/\" target=\"_self\" title=\"Axial piston machineAxial piston machines can convert mechanical energy into hydraulic energy (axial piston pump) or, conversely, hydraulic energy into mechanical energy (axial piston motor).Axial piston pumps provide maximum pressure.How&hellip;\" class=\"encyclopedia\">Axial piston machine<\/a>s are among the most complex <a href=\"https:\/\/www.bf-hydraulik.com\/en\/hydraulic-pump\/\" target=\"_self\" title=\"Hydraulic pump provides pressure and volume flowThe hydraulic pump is the core component of a hydraulic system. It ensures the circulation of the hydraulic fluid. In doing so, it generates&hellip;\" class=\"encyclopedia\">hydraulic pump<\/a>s. Nevertheless, their maintenance and servicing are manageable. The components of these high-performance machines are designed to be correspondingly robust. The only notable weak point of <a href=\"https:\/\/www.bf-hydraulik.com\/en\/axial-piston-machine\/\" target=\"_self\" title=\"Axial piston machineAxial piston machines can convert mechanical energy into hydraulic energy (axial piston pump) or, conversely, hydraulic energy into mechanical energy (axial piston motor).Axial piston pumps provide maximum pressure.How&hellip;\" class=\"encyclopedia\">axial piston machine<\/a>s is the seals. These are designed as multiple rings arranged in series. They are easy to replace and are usually changed according to a fixed maintenance interval. As with all <a href=\"https:\/\/www.bf-hydraulik.com\/en\/hydraulic-pump\/\" target=\"_self\" title=\"Hydraulic pump provides pressure and volume flowThe hydraulic pump is the core component of a hydraulic system. It ensures the circulation of the hydraulic fluid. In doing so, it generates&hellip;\" class=\"encyclopedia\">hydraulic pump<\/a>s, continuous self-lubrication by the hydraulic oil contributes to a long service life. The prerequisite, however, is that this oil is filtered continuously and replaced regularly.       <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-a7da8b4\" data-id=\"a7da8b4\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-77b3094 elementor-widget elementor-widget-sidebar\" data-id=\"77b3094\" data-element_type=\"widget\" data-widget_type=\"sidebar.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div style=\"display:none;\">Search<\/div><form role=\"search\" method=\"get\" class=\"encyclopedia search-form\" action=\"https:\/\/www.bf-hydraulik.com\/en\/encyclopedia\/\">\n    \n    \n    <label class=\"screen-reader-text\" for=\"encyclopedia-search-term\">Search<\/label>\n    <input type=\"text\" 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