{"id":101,"date":"2026-08-08T13:52:13","date_gmt":"2026-08-08T08:22:13","guid":{"rendered":"https:\/\/kalyaniguraodesign.com\/?page_id=101"},"modified":"2026-08-10T08:34:25","modified_gmt":"2026-08-10T03:04:25","slug":"siemens-nx","status":"publish","type":"page","link":"https:\/\/kalyaniguraodesign.com\/index.php\/siemens-nx\/","title":{"rendered":"Siemens NX"},"content":{"rendered":"\n

1. Carburettor Assembly<\/h3>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n
\n\t\n\n

The Objective<\/h2>\n\n\n\n

To design and assemble a functional carburetor system, focusing on intricate internal fluid routing, housing generation, and multi-component integration for air-fuel mixing.<\/p>\n\n\n\n

The Process<\/h2>\n\n\n\n

This project required generating complex internal cavities and precise mating for moving valve components. Key Siemens NX workflows included:<\/p>\n\n\n\n

    \n
  • Main Housing & Routing:<\/strong> Utilized Through Curve, Shell, and Extrude features on the Pipe Fuel Inlet and main Carburetor body to create the internal fluid passages.<\/li>\n\n\n\n
  • Mechanical Controls:<\/strong> Modeled the Barrel Throttle, Throttle Lever, and Top Cover using precise Extrude and Unite operations.<\/li>\n\n\n\n
  • Valve Design:<\/strong> Generated the Needle Valve utilizing the Revolve feature for perfect concentricity and seating.<\/li>\n<\/ul>\n\n\n\n
    Parts<\/strong><\/summary>\n

    Pipe fuel inlet
    <\/strong>Features
    Extrude
    Unite
    Datum Plane
    Through Curve
    Shell<\/p>\n\n\n\n

    Float chamber
    <\/strong>Features
    Extrude<\/p>\n\n\n\n

    Carburettor<\/strong>
    Features
    Extrude
    Unite
    Shell
    Datum Plane<\/p>\n\n\n\n

    Barrel throttle
    <\/strong>Features
    Extrude
    Unite<\/p>\n\n\n\n

    Top cover
    <\/strong>Features
    Extrude<\/p>\n\n\n\n

    Throttle lever
    <\/strong>Features
    Extrude<\/p>\n\n\n\n

    Needle valve
    <\/strong>Features
    Revolve<\/p>\n<\/details>\n\n<\/div>\n\n\n\n

    2. Crankshaft & Crankcase Assembly<\/h3>\n\n\n\n
    \"\"<\/figure>\n\n\n\n
    \"\"<\/figure>\n\n\n
    \n\t\n\n

    The Objective<\/h2>\n\n\n\n

    To design a robust crankshaft and crankcase assembly capable of housing rotational power transmission components while maintaining strict structural integrity and clearances.<\/p>\n\n\n\n

    The Process<\/h2>\n\n\n\n

    This highly complex assembly involved modeling 14 distinct structural and rotational components.<\/p>\n\n\n\n

      \n
    • Crankcase & Housing:<\/strong> Leveraged advanced Through Curves, Edge Blends, and Shell features to generate the complex, organic geometries of the main Crank Case, Case Front Cover, and Sump.<\/li>\n\n\n\n
    • Rotational Mass (Crankshaft):<\/strong> Modeled the Front Shaft, Rear Shaft, and Counterweights using a combination of Revolve, Extrude, and Unite operations to balance the rotational assembly.<\/li>\n\n\n\n
    • Power Transmission:<\/strong> Designed the Crank Shaft Gear utilizing Extrude and Circular Pattern features to generate the precise gear tooth profile.<\/li>\n<\/ul>\n\n\n\n
      Parts<\/strong><\/summary>\n

      Front shaft
      <\/strong>Features
      Through curves
      Edge blend
      Extrude
      Unite<\/p>\n\n\n\n

      Case front cover
      <\/strong>Features
      Edge blend
      Extrude
      Unite
      Flywheel<\/strong>
      Features
      Extrude<\/p>\n\n\n\n

      Flywheel hub
      <\/strong>Features
      Extrude
      Extrude<\/p>\n\n\n\n

      Ballrace<\/strong>
      Features
      Extrude<\/p>\n\n\n\n

      Bronze bushing
      <\/strong>Features
      Extrude<\/p>\n\n\n\n

      Front counterweight
      <\/strong>Features
      Extrude<\/p>\n\n\n\n

      Crank pin
      <\/strong>Features
      Extrude<\/p>\n\n\n\n

      Rear counter weight
      <\/strong>Features
      Extrude<\/p>\n\n\n\n

      Rear shaft
      <\/strong>Features
      Extrude
      Revolve<\/p>\n\n\n\n

      Crank shaft gear
      <\/strong>Features
      Extrude
      Pattern feature<\/p>\n\n\n\n

      Main bearing cap
      <\/strong>Features
      Extrude<\/p>\n\n\n\n

      Crank case
      <\/strong>Features
      Through curves
      Edge blend
      Extrude
      Fixed datum plane
      Unite<\/p>\n\n\n\n

      Sump
      <\/strong>Features
      Extrude
      Edge blend
      shell<\/p>\n<\/details>\n\n<\/div>\n\n\n\n

      3. Piston Rod Assembly<\/h3>\n\n\n\n
      \"\"<\/figure>\n\n\n\n
      \"\"<\/figure>\n\n\n
      \n\t\n\n

      The Objective<\/h2>\n\n\n\n

      To engineer a durable piston rod assembly designed to withstand high mechanical stress and transfer reciprocating motion into rotational force.<\/p>\n\n\n\n

      The Process<\/h2>\n\n\n\n

      This project focused on tight tolerances for kinematic linkages and pin joints.<\/p>\n\n\n\n

        \n
      • Piston Head & End Cap:<\/strong> Utilized the Revolve feature to create the exact cylindrical profiles and internal dome structures.<\/li>\n\n\n\n
      • Linkages:<\/strong> Modeled the Connecting Rod, Bushing, and Piston Pin using robust Extrude features to ensure accurate mating and clearance for real-world mechanical articulation.<\/li>\n<\/ul>\n\n\n\n
        Parts<\/strong><\/summary>\n

        Piston head
        <\/strong>Features
        Extrude
        Revolve<\/p>\n\n\n\n

        Connecting rod
        <\/strong>Features<\/p>\n\n\n\n

        Connecting rod bushing
        <\/strong>Features
        Extrude<\/p>\n\n\n\n

        Piston pin
        <\/strong>Features
        Extrude<\/p>\n\n\n\n

        End cap
        <\/strong>Features
        Revolve<\/p>\n<\/details>\n\n<\/div>\n\n\n\n

        4. Gear shaft Assembly<\/h3>\n\n\n\n
        \"\"<\/figure>\n\n\n\n
        \"\"<\/figure>\n\n\n
        \n\t\n\n

        The Objective<\/h2>\n\n\n\n

        To assemble a multi-gear transmission shaft, demonstrating expertise in modeling power transmission components and complex gear geometries.<\/p>\n\n\n\n

        The Process<\/h2>\n\n\n\n

        This assembly required precise alignment and spacing for multiple drive gears.<\/p>\n\n\n\n

          \n
        • Shaft & Spacing:<\/strong> Modeled the primary Gear Shaft utilizing the Revolve feature, and designed the Spacer and Ballrace using Extrude for exact axial positioning.<\/li>\n\n\n\n
        • Gear Generation:<\/strong> Designed the Sleeve Drive Gear and Magneto Drive Gear by employing Extrude and Circular Pattern features to accurately model the gear teeth before applying Unite operations for a solid final body.<\/li>\n<\/ul>\n\n\n\n
          Parts<\/strong><\/summary>\n

          Gear shaft
          <\/strong>Features
          Revolve
          Extrude
          Sleeve drive gear
          <\/strong>Features
          Extrude
          Pattern circular
          Unite<\/p>\n\n\n\n

          Spacer
          <\/strong>Features
          Extrude<\/p>\n\n\n\n

          Ballrace
          <\/strong>Features
          Extrude<\/p>\n\n\n\n

          Magneto drive gear
          <\/strong>Features
          Extrude
          Pattern circular
          Unite<\/p>\n<\/details>\n\n<\/div>\n\n\n\n

          5. Gearbox Assembly<\/h3>\n\n\n\n
          \"\"<\/figure>\n\n\n\n
          \"\"<\/figure>\n\n\n
          \n\t\n\n

          The Objective<\/h2>\n\n\n\n

          To design a functional gearbox casing alongside its internal gear mechanisms, ensuring proper mesh tolerances and protective housing clearances.<\/p>\n\n\n\n

          The Process<\/h2>\n\n\n\n

          This project integrated internal rotating equipment with external structural housings.<\/p>\n\n\n\n

            \n
          • Internal Gears:<\/strong> Modeled the Magneto Gear and Idle Gear using Extrude and Circular Pattern features to ensure a perfect mechanical mesh.<\/li>\n\n\n\n
          • Structural Housing:<\/strong> Designed the main Gear Box and Gear Box Cover using Extrude and Edge Blend features, creating a secure, sealed enclosure for the transmission components, finished with a custom Name Plate.<\/li>\n<\/ul>\n\n\n\n
            Parts<\/strong><\/summary>\n

            Gear box
            <\/strong>Features
            Extrude<\/p>\n\n\n\n

            Magneto gear
            <\/strong>Features
            Extrude
            Pattern circular
            Unite<\/p>\n\n\n\n

            Idle gear
            <\/strong>Features
            Extrude
            Pattern circular
            Unite
            Gear box cover
            <\/strong>Features
            Extrude
            Edge blend<\/p>\n\n\n\n

            Name plate
            <\/strong>Features
            Extrude<\/p>\n<\/details>\n\n<\/div>\n\n\n\n

            6. Cylinder Manifold Assembly<\/h3>\n\n\n\n
            \"\"<\/figure>\n\n\n\n
            \"\"<\/figure>\n\n\n
            \n\t\n\n

            The Objective<\/h2>\n\n\n\n

            To model a complete cylinder and manifold system, focusing on air\/exhaust routing, thermal fin generation, and mounting flange integration.<\/p>\n\n\n\n

            The Process<\/h2>\n\n\n\n

            This assembly required a mix of rotational geometry and precision mounting layouts.<\/p>\n\n\n\n

              \n
            • Core Cylinder & Fins:<\/strong> Leveraged Revolve, Extrude, and Circular Pattern features to create the main Cylinder body and its cooling structures.<\/li>\n\n\n\n
            • Fluid Routing (Manifolds):<\/strong> Modeled the Intake and Exhaust Manifolds, along with their respective mating Flanges, using a combination of Revolve and Extrude operations.<\/li>\n\n\n\n
            • Sealing & Hardware:<\/strong> Completed the assembly by modeling the Junk Head, Piston Ring, and mounting Studs to ensure a fully sealed compression chamber.<\/li>\n<\/ul>\n\n\n\n
              Parts<\/strong><\/summary>\n

              Cylinder
              <\/strong>Features
              Revolve
              Extrude
              Pattern circular
              Exhaust manifold
              <\/strong>Features
              Revolve
              Extrude<\/p>\n\n\n\n

              Intake manifold
              <\/strong>Features
              Revolve
              Extrude
              Studs intake and exhaust
              <\/strong>Features
              Extrude<\/p>\n\n\n\n

              Intake flange
              <\/strong>Features
              Extrude<\/p>\n\n\n\n

              Exhaust flange
              <\/strong>Features
              Extrude<\/p>\n\n\n\n

              Junk head
              <\/strong>Features
              Extrude
              Revolve<\/p>\n\n\n\n

              Piston ring
              <\/strong>Features
              Extrude<\/p>\n<\/details>\n\n<\/div>\n\n\n\n

              7. Sleeve Cam Assembly<\/h3>\n\n\n\n
              \"\"<\/figure>\n\n\n\n
              \"\"<\/figure>\n\n\n
              \n\t\n\n

              The Objective<\/h2>\n\n\n\n

              To design a precision sleeve cam mechanism, critical for translating rotational motion into accurate linear actuation for valve timing.<\/p>\n\n\n\n

              The Process<\/h2>\n\n\n\n

              This specialized kinematic assembly required tight rotational tolerances.<\/p>\n\n\n\n

                \n
              • Cam Collar:<\/strong> Modeled the Sleeve Crank Pin Collar utilizing Revolve, Extrude, Unite, and Edge Blend features to create the offset cam profile.<\/li>\n\n\n\n
              • Actuation Components:<\/strong> Designed the main Sleeve using Extrude and Circular Patterns, and modeled the Universal Ball joint via the Revolve feature for smooth, multi-axis articulation.<\/li>\n<\/ul>\n\n\n\n
                Parts<\/strong><\/summary>\n

                Sleeve crank pin collar
                <\/strong>Feature
                Revolve
                Extrude
                Unite
                Edge blend<\/p>\n\n\n\n

                Sleeve
                <\/strong>Feature
                Extrude
                Pattern circular<\/p>\n\n\n\n

                Universal ball
                <\/strong>Feature
                Revolve<\/p>\n<\/details>\n\n<\/div>\n\n\n\n

                8. Full Engine Master Assembly<\/h3>\n\n\n\n
                \"\"<\/figure>\n\n\n\n
                \"\"<\/figure>\n\n\n
                \n\t\n\n

                The Objective<\/h2>\n\n\n\n

                To integrate multiple complex mechanical sub-assemblies into a cohesive, fully constrained master engine model, validating total system clearances, inter-component mating, and overall kinematic functionality.<\/p>\n\n\n\n

                The Process<\/h2>\n\n\n\n

                This capstone project served as the master integration file for the entire Siemens NX workflow.<\/p>\n\n\n\n

                  \n
                • Sub-Assembly Integration:<\/strong> Systematically imported, positioned, and mated 6 primary sub-systems: the Carburetor, Piston\/Connecting Rod, Gear Shaft, Gearbox, Cylinder Manifold, and Sleeve Cam assemblies.<\/li>\n\n\n\n
                • Master Constraints:<\/strong> Applied advanced assembly constraints to the Crankshaft and Crankcase base to ensure all moving parts (pistons, gears, and cams) interacted without geometric interference.<\/li>\n\n\n\n
                • Documentation:<\/strong> Generated comprehensive, master-level 2D drafting sheets detailing the full mechanical stack-up of the complete engine.<\/li>\n<\/ul>\n\n\n\n
                  Parts<\/strong><\/summary>\n

                  Carburetor assembly
                  Piston connecting rod assembly
                  Gear shaft assembly
                  Gearbox assembly
                  Cylinder manifold assembly
                  Sleeve cam pieces assembly
                  Crankshaft crankcase assembly<\/p>\n<\/details>\n\n<\/div>\n\n\n\n

                  9. Stillson Wrench Assembly<\/h3>\n\n\n\n
                  \"\"<\/figure>\n\n\n\n
                  \"\"<\/figure>\n\n\n
                  \n\t\n\n

                  The Objective<\/h2>\n\n\n\n

                  To reverse-engineer a heavy-duty adjustable Stillson wrench, focusing on threaded translation mechanisms and sliding jaw kinematics.<\/p>\n\n\n\n

                  The Process<\/h2>\n\n\n\n

                  This project highlighted the design of functional, consumer-grade hand tools.<\/p>\n\n\n\n

                    \n
                  • Structural Forgings:<\/strong> Modeled the main Handle (using Extrude and Mirror) and the static Head to represent heavy cast components.<\/li>\n\n\n\n
                  • Adjustable Mechanism:<\/strong> Designed the Moveable Jaw and applied custom Thread features to interact seamlessly with the chamfered Adjusting Nut.<\/li>\n\n\n\n
                  • Hardware:<\/strong> Finalized the pivot mechanism by modeling a standard retaining Rivet using the Extrude feature.<\/li>\n<\/ul>\n\n\n\n
                    Parts<\/strong><\/summary>\n

                    Handle
                    <\/strong>Features
                    Extrude
                    Mirror<\/p>\n\n\n\n

                    Head
                    <\/strong>Features
                    Extrude<\/p>\n\n\n\n

                    Moveable jaw
                    <\/strong>Features
                    Extrude
                    Thread<\/p>\n\n\n\n

                    Adjusting nut
                    <\/strong>Features
                    Extrude
                    chamfer<\/p>\n\n\n\n

                    Rivet<\/strong>
                    Features
                    Extrude<\/p>\n<\/details>\n\n<\/div>\n\n\n\n

                    <\/p>\n","protected":false},"excerpt":{"rendered":"

                    1. Carburettor Assembly 2. Crankshaft & Crankcase Assembly 3. Piston Rod Assembly 4. Gear shaft Assembly 5. Gearbox Assembly 6. […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"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":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","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":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_zipai_imported":false,"footnotes":""},"class_list":["post-101","page","type-page","status-publish","hentry"],"spectra_blocks_featured_image_url":null,"spectra_blocks_author_info":{"display_name":"kalyani","avatar_url":"https:\/\/secure.gravatar.com\/avatar\/4bb428c07de0b9a54d5622fe1503c54665e9b283f1b6afcae060f5ca0d3a8808?s=96&d=mm&r=g","author_link":"https:\/\/kalyaniguraodesign.com\/index.php\/author\/kalyani\/","description":""},"_links":{"self":[{"href":"https:\/\/kalyaniguraodesign.com\/index.php\/wp-json\/wp\/v2\/pages\/101","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kalyaniguraodesign.com\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/kalyaniguraodesign.com\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/kalyaniguraodesign.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kalyaniguraodesign.com\/index.php\/wp-json\/wp\/v2\/comments?post=101"}],"version-history":[{"count":3,"href":"https:\/\/kalyaniguraodesign.com\/index.php\/wp-json\/wp\/v2\/pages\/101\/revisions"}],"predecessor-version":[{"id":166,"href":"https:\/\/kalyaniguraodesign.com\/index.php\/wp-json\/wp\/v2\/pages\/101\/revisions\/166"}],"wp:attachment":[{"href":"https:\/\/kalyaniguraodesign.com\/index.php\/wp-json\/wp\/v2\/media?parent=101"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}