{"id":9004,"date":"2025-10-18T19:37:18","date_gmt":"2025-10-18T17:37:18","guid":{"rendered":"https:\/\/ms-performance.com\/produkt\/shock-absorber-machine\/"},"modified":"2025-10-18T19:37:18","modified_gmt":"2025-10-18T17:37:18","slug":"shock-absorber-machine","status":"publish","type":"product","link":"https:\/\/ms-performance.com\/en\/product\/shock-absorber-machine\/","title":{"rendered":"Shock Absorber Machine"},"content":{"rendered":"

Electric motor<\/h2>\n

Shock absorber dynos are typically driven by three-phase AC (induction) electric motors<\/strong>. The power and size of the motor are directly dependent on the supply voltage.
It is highly recommended to use an inverter (VFD)<\/strong> that allows automatic multi-speed tests<\/strong> to be performed. <\/p>\n

For motors below 4 HP<\/strong> , the inverter can be powered from a single phase (230 V).<\/strong> At higher powers , a three-phase power supply (400 V)<\/strong> is required. <\/p>\n

\n

Reduction gearbox<\/h2>\n

The power output from the motor is transmitted through a reduction gearbox<\/strong> that lowers the rotational speed and increases torque.
The recommended maximum output shaft speed is between 300 and 500 RPM<\/strong>.<\/p>\n

It is worth noting that although most induction motors operate at a speed of about 1450 RPM at 50 Hz<\/strong>, the use of an inverter allows you to increase the frequency up to 100 Hz<\/strong>.
This gives:<\/p>\n

    \n
  • \n

    high torque at low speeds<\/strong> (e.g. 300 RPM at the gearbox),<\/p>\n<\/li>\n

  • \n

    the possibility of testing the shock absorber at higher speeds<\/strong>, with only a slight decrease in total power.<\/p>\n<\/li>\n<\/ul>\n

    \n

    Force Sensor \u2013 Strain Gauge (Load Cell)<\/h2>\n

    A force sensor (strain gauge)<\/strong> is a transducer that converts the force acting on it into an analog electrical signal.
    Mounted on the dyno’s cross beam, it precisely measures the force generated by the shock absorber<\/strong> during operation, which enables an accurate analysis of the damping characteristics.<\/p>\n

    \n

    Shock Absorber Temperature Sensor<\/h2>\n

    The temperature of the shock absorber is measured by means of a thermocouple<\/strong>, which is attached to the shock absorber body using Velcro.<\/strong>
    Shock performance can change drastically with temperature<\/strong>, so controlling it is crucial in professional testing.<\/p>\n

    With a temperature monitoring system, you can:<\/p>\n

      \n
    • \n

      analyze the behavior of the shock absorber in different conditions,<\/p>\n<\/li>\n

    • \n

      warm up the shock absorber directly on the dyno<\/strong>,<\/p>\n<\/li>\n

    • \n

      simulate real-world working conditions.<\/p>\n<\/li>\n<\/ul>\n

      \n

      Position potentiometer<\/h2>\n

      The ShockAnalyzer DAQ<\/strong> system uses a 100 mm stroke potentiometer<\/strong> to measure the position and speed of movement of the shock absorber<\/strong>.
      This item is included as standard<\/strong>.<\/p>\n

      A 150 mm potentiometer<\/strong> is also available as an option, allowing you to measure shock absorbers with a longer stroke.<\/p>\n

      Stroke Length Positions<\/h2>\n

      The system allows you to work in 10 predefined stroke positions<\/strong>, which allows you to precisely adjust the test to different types of shock absorbers.<\/p>\n

      \n
      \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
      Position<\/th>\nShock absorber travel<\/th>\n<\/tr>\n<\/thead>\n
      \n 1<\/td>\n10 mm<\/td>\n<\/tr>\n
      \n 2<\/td>\n20 mm<\/td>\n<\/tr>\n
      \n 3<\/td>\n30 mm<\/td>\n<\/tr>\n
      \n 4<\/td>\n40 mm<\/td>\n<\/tr>\n
      \n 5<\/td>\n50 mm<\/td>\n<\/tr>\n
      \n 6<\/td>\n60 mm<\/td>\n<\/tr>\n
      \n 7<\/td>\n70 mm<\/td>\n<\/tr>\n
      \n 8<\/td>\n80 mm<\/td>\n<\/tr>\n
      \n 9<\/td>\n90 mm<\/td>\n<\/tr>\n
      10<\/td>\n100 mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

      Stroke adjustment range:<\/strong> 10-100 mm
      Application:<\/strong> tests of shock absorbers with different strokes, from sports to off-road and custom.<\/p>\n

      Piston-crank mechanism<\/h2>\n

      The piston-crank mechanism consists of a drum, connecting rod and piston<\/strong>, analogous to the classic system used in internal combustion engines.
      The drum has holes that allow you to change the length of the stroke<\/strong>, which allows you to flexibly adjust the operating parameters of the dyno to the tested shock absorber.<\/p>\n

      Advantages of the piston-crank mechanism:<\/strong><\/p>\n

        \n
      • \n

        high reliability and durability<\/strong>,<\/p>\n<\/li>\n

      • \n

        lower production costs<\/strong> compared to other solutions,<\/p>\n<\/li>\n

      • \n

        Reduced requirements for precision machining with very tight tolerances<\/strong>.<\/p>\n<\/li>\n<\/ul>\n

        Test Preparation<\/h2>\n
          \n
        1. \n

          The shock absorber<\/strong> is screwed onto the dyno at dedicated attachment points.<\/p>\n<\/li>\n

        2. \n

          The working stroke<\/strong> is selected mechanically on a rotating drum.<\/p>\n<\/li>\n

        3. \n

          After changing the stroke, it is necessary to calibrate the speed<\/strong> for the new stroke value.<\/p>\n<\/li>\n

        4. \n

          The test table<\/strong> enters:<\/p>\n

            \n
          • \n

            required test speeds,<\/p>\n<\/li>\n

          • \n

            the number of cycles needed for stabilization,<\/p>\n<\/li>\n

          • \n

            the number of cycles dedicated to data logging.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n

            \n

            Test Flow<\/h2>\n
              \n
            1. \n

              A “Spring”<\/strong> test is performed, the purpose of which is:<\/p>\n

                \n
              • \n

                determination of the initial offset,<\/p>\n<\/li>\n

              • \n

                determination of the force-position<\/strong> relationship resulting from the presence of gas in the shock absorber
                (spring-like effect).<\/em><\/p>\n<\/li>\n<\/ul>\n<\/li>\n

              • \n

                The actual test is initiated and the motor speed is controlled by an inverter (VFD)<\/strong> according to the values recorded in the test table.<\/p>\n<\/li>\n

              • \n

                The ShockAnalyzer DAQ<\/strong> system<\/strong> transmits all data in real time:<\/p>\n

                  \n
                • \n

                  location,<\/p>\n<\/li>\n

                • \n

                  strength,<\/p>\n<\/li>\n

                • \n

                  shock absorber temperature,
                  that are saved to your computer.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n

                • \n

                  The software displays the collected data in various graphical modes, m.in.:<\/p>\n

                    \n
                  • \n

                    Strength vs Position<\/strong>,<\/p>\n<\/li>\n

                  • \n

                    Force vs velocity<\/strong>,<\/p>\n<\/li>\n

                  • \n

                    Force vs Peak Speed<\/strong>,<\/p>\n<\/li>\n

                  • \n

                    and other analytical charts.<\/strong><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"

                    Shock Absorber Test Machine: 4 KW, Stroke Up to 100 mm, Load Cell 1000 kg, ShockAnalyzer DAQ.<\/p>\n","protected":false},"featured_media":4479,"template":"","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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Absorber Test Machine: 4 KW, Stroke Up to 100 mm, Load Cell 1000 kg, ShockAnalyzer DAQ.","_links":{"self":[{"href":"https:\/\/ms-performance.com\/en\/wp-json\/wp\/v2\/product\/9004","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ms-performance.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/ms-performance.com\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ms-performance.com\/en\/wp-json\/wp\/v2\/media\/4479"}],"wp:attachment":[{"href":"https:\/\/ms-performance.com\/en\/wp-json\/wp\/v2\/media?parent=9004"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/ms-performance.com\/en\/wp-json\/wp\/v2\/product_brand?post=9004"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/ms-performance.com\/en\/wp-json\/wp\/v2\/product_cat?post=9004"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/ms-performance.com\/en\/wp-json\/wp\/v2\/product_tag?post=9004"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}