{"title":"Metal \u0026 Valve Ball Grinding Polishing Machines","description":"\u003cp\u003eNANSEN manufactures precision \u003cstrong\u003eindustrial grinding and polishing machines\u003c\/strong\u003e engineered specifically for high-accuracy spherical components, including bearing steel balls, hard seal valve balls, and ceramic spheres. Our equipment delivers extreme sphericity (Grade 10 \/ Grade 5) and mirror surface roughness down to Ra ≤ 0.05 μm.\u003c\/p\u003e\u003ch2\u003eSphere Lapping \u0026amp; Valve Ball Finishing\u003c\/h2\u003e\u003cp\u003eOur ball finishing machinery encompasses both multi-groove horizontal lapping plates for batch precision ball processing (GM 800 Series) and specialized hard-seal valve ball grinding centers. Using micro-abrasive compounding and rigid spindle designs, our systems eliminate out-of-roundness and tooling chatter on stainless steel, cobalt alloy, and tungsten carbide spheres.\u003c\/p\u003e\u003ch2\u003eAutomated Lapping \u0026amp; Surface Consistency\u003c\/h2\u003e\u003cp\u003eEquipped with variable-frequency drive controls, pneumatic pressure loading, and automatic slurry recirculation, NANSEN ball finishing machines ensure consistent batch-to-batch quality across automotive bearing, fluid control, and aerospace valve production. Contact NANSEN for process recommendations and sample testing.\u003c\/p\u003e","products":[{"product_id":"grinding-polishing-machine","title":"Precision Grinding \u0026 Polishing Machine for Metal Balls \u0026 Glass (GM 800 Series)","description":"\u003cdiv style=\"padding: 20px 0; border-bottom: 2px solid #eee; margin-bottom: 30px;\"\u003e\n  \u003cp style=\"font-size: 1.2em; color: #333; line-height: 1.6; font-weight: 400;\"\u003e\n    High-performance \u003cstrong\u003eIndustrial Grinding \u0026amp; Polishing Machine\u003c\/strong\u003e designed for precision surface finishing of \u003cstrong\u003emetal solid balls, glass components, and hardware\u003c\/strong\u003e. Engineered for \u003cstrong\u003ebearing balls, cookware manufacturing, valve processing, and optical glass polishing\u003c\/strong\u003e, this system delivers consistent mirror-like finishes (Ra ≤ 0.2 μm) and high-tolerance surface flatness.\n  \u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 style=\"text-transform: uppercase; letter-spacing: 1px; border-left: 5px solid #1a1a1a; padding-left: 15px; margin-bottom: 20px;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n  \u003ctable style=\"width: 100%; border-collapse: collapse; font-family: sans-serif; font-size: 14px;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"background-color: #1a1a1a; color: #ffffff;\"\u003e\n        \u003cth style=\"padding: 12px; text-align: left; border: 1px solid #333;\"\u003eOperational Parameter\u003c\/th\u003e\n        \u003cth style=\"padding: 12px; text-align: left; border: 1px solid #333;\"\u003eConfiguration Details\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd; background-color: #f9f9f9; font-weight: bold;\"\u003eWorktable Diameter\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e600 mm - 1200 mm (Customizable)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd; background-color: #f9f9f9; font-weight: bold;\"\u003eSpindle Speed\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eVariable Frequency (0 - 1500 RPM)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd; background-color: #f9f9f9; font-weight: bold;\"\u003eProcessing Accuracy\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eRa ≤ 0.2 μm (Mirror Finish)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd; background-color: #f9f9f9; font-weight: bold;\"\u003eMotor Power\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e5.5 kW - 11 kW\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd; background-color: #f9f9f9; font-weight: bold;\"\u003eControl Interface\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eIndustrial PLC with HMI Touchscreen\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd; background-color: #f9f9f9; font-weight: bold;\"\u003eDimensions\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eApprox. 1,800 x 1,200 x 1,650 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003chr style=\"margin: 40px 0; border: 0; border-top: 1px solid #eee;\"\u003e\n\n\u003ch2 style=\"text-transform: uppercase; letter-spacing: 1px; border-left: 5px solid #1a1a1a; padding-left: 15px; margin-bottom: 20px;\"\u003eGM 800 (OUT-LOOP) — Grinding Machine for Copper \u0026amp; Metal Solid Ball\u003c\/h2\u003e\n\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n  \u003ctable style=\"width: 100%; border-collapse: collapse; font-family: sans-serif; font-size: 14px;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"background-color: #1a1a1a; color: #ffffff;\"\u003e\n        \u003cth style=\"padding: 12px; text-align: left; border: 1px solid #333;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"padding: 12px; text-align: left; border: 1px solid #333;\"\u003eSpecification\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd; background-color: #f9f9f9; font-weight: bold;\"\u003eApplication\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eGrinding Metal Ball (Copper \u0026amp; Metal Solid Ball, Out-Loop)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd; background-color: #f9f9f9; font-weight: bold;\"\u003eMain Motor Power\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e5.5 kW\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd; background-color: #f9f9f9; font-weight: bold;\"\u003eGrinding Disc Rotation Speed\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e10 – 80 RPM\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd; background-color: #f9f9f9; font-weight: bold;\"\u003eGrinding Plate Diameter\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e800 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd; background-color: #f9f9f9; font-weight: bold;\"\u003eGrinding Plate Size (L×W×H)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e800 × 440 × 100 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd; background-color: #f9f9f9; font-weight: bold;\"\u003eWorking Pressure\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e50 kN\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd; background-color: #f9f9f9; font-weight: bold;\"\u003eOil Pump Power\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e1.1 kW\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd; background-color: #f9f9f9; font-weight: bold;\"\u003eWater Pump Motor\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e250 W\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd; background-color: #f9f9f9; font-weight: bold;\"\u003eMachine Weight\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e4,580 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd; background-color: #f9f9f9; font-weight: bold;\"\u003eDimensions (L×W×H)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2,280 × 1,816 × 2,106 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003c!-- GM 800 Product Image --\u003e\n\u003cdiv style=\"margin-top: 30px; margin-bottom: 40px; border-radius: 6px; overflow: hidden; box-shadow: 0 2px 12px rgba(0,0,0,0.10);\"\u003e\n  \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0996\/8631\/8449\/files\/11_1.png?v=1787219082\" alt=\"GM 800 Grinding Machine\" style=\"width: 100%; display: block;\"\u003e\n\u003c\/div\u003e\n\n\u003chr style=\"margin: 40px 0; border: 0; border-top: 1px solid #eee;\"\u003e\n\n\u003ch2 style=\"text-transform: uppercase; letter-spacing: 1px; border-left: 5px solid #1a1a1a; padding-left: 15px; margin-bottom: 25px;\"\u003eKey Engineering Features\u003c\/h2\u003e\n\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; margin-bottom: 30px;\"\u003e\n  \u003cdiv style=\"background: #f4f4f4; padding: 20px; border-radius: 4px;\"\u003e\n    \u003ch3 style=\"margin-top: 0; color: #d9232e;\"\u003ePrecision Surface Leveling\u003c\/h3\u003e\n    \u003cp\u003eAdvanced grinding technology ensures superior flatness and parallelism for high-precision sealing components and decorative metalware.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"background: #f4f4f4; padding: 20px; border-radius: 4px;\"\u003e\n    \u003ch3 style=\"margin-top: 0; color: #d9232e;\"\u003eVariable Speed Control\u003c\/h3\u003e\n    \u003cp\u003eEquipped with frequency inverters to adjust polishing speeds for different materials, from soft aluminum to hardened stainless steel.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"background: #f4f4f4; padding: 20px; border-radius: 4px;\"\u003e\n    \u003ch3 style=\"margin-top: 0; color: #d9232e;\"\u003eHeavy-Duty Vibration Damping\u003c\/h3\u003e\n    \u003cp\u003eThe reinforced cast-iron base absorbs micro-vibrations during high-speed operation, guaranteeing a flawless surface finish without chatter marks.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"background: #f4f4f4; padding: 20px; border-radius: 4px;\"\u003e\n    \u003ch3 style=\"margin-top: 0; color: #d9232e;\"\u003eQuick-Change Abrasive System\u003c\/h3\u003e\n    \u003cp\u003eStreamlined design allows operators to switch between grinding wheels and polishing buffs in under 5 minutes, maximizing machine uptime.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003chr style=\"margin: 40px 0; border: 0; border-top: 1px solid #eee;\"\u003e\n\n\u003cdiv style=\"border: 2px dashed #ccc; padding: 25px; background-color: #fffcf5; margin-bottom: 35px;\"\u003e\n  \u003ch3 style=\"margin-top: 0;\"\u003eAutomatic vs. Manual Polishing\u003c\/h3\u003e\n  \u003cp\u003eWhy transition to our industrial grinding system for your production facility?\u003c\/p\u003e\n  \u003cul style=\"line-height: 1.8;\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eConsistency:\u003c\/strong\u003e Eliminates human error to ensure every batch meets the exact Ra surface roughness specifications.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSafety:\u003c\/strong\u003e Enclosed working area and dust extraction ports significantly improve factory air quality and operator safety.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCost Efficiency:\u003c\/strong\u003e One automated unit can replace 3-4 manual stations, reducing long-term labor costs and abrasive waste.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp style=\"font-style: italic; color: #666; margin-bottom: 0;\"\u003eProduction Note: Highly recommended for stainless steel pot bottoms and luxury faucet components.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003chr style=\"margin: 40px 0; border: 0; border-top: 1px solid #eee;\"\u003e\n\n\u003ch2 style=\"text-transform: uppercase; letter-spacing: 1px; border-left: 5px solid #1a1a1a; padding-left: 15px; margin-bottom: 25px;\"\u003eIndustrial Applications\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 40px;\"\u003e\n  \u003cdiv style=\"flex: 1; min-width: 280px;\"\u003e\n    \u003ch4 style=\"border-bottom: 2px solid #1a1a1a; padding-bottom: 10px;\"\u003eSupported Materials\u003c\/h4\u003e\n    \u003cul style=\"line-height: 2;\"\u003e\n      \u003cli\u003eStainless Steel (304, 316, 430)\u003c\/li\u003e\n      \u003cli\u003eAluminum \u0026amp; Aluminum Alloys\u003c\/li\u003e\n      \u003cli\u003eBrass, Copper \u0026amp; Bronze (Copper Balls)\u003c\/li\u003e\n      \u003cli\u003eCarbon Steel \u0026amp; Bearing Steel Balls\u003c\/li\u003e\n      \u003cli\u003eGlass \u0026amp; Optical Substrates (Lenses, Glass Balls, Quartz)\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"flex: 1; min-width: 280px;\"\u003e\n    \u003ch4 style=\"border-bottom: 2px solid #1a1a1a; padding-bottom: 10px;\"\u003eTarget Industries\u003c\/h4\u003e\n    \u003cul style=\"line-height: 2;\"\u003e\n      \u003cli\u003ePrecision Metal Ball \u0026amp; Glass Processing\u003c\/li\u003e\n      \u003cli\u003eCookware \u0026amp; Kitchenware Production\u003c\/li\u003e\n      \u003cli\u003eAutomotive Engine \u0026amp; Sealing Parts\u003c\/li\u003e\n      \u003cli\u003eAerospace Fasteners \u0026amp; Hardware\u003c\/li\u003e\n      \u003cli\u003eSanitary Ware \u0026amp; Faucet Polishing\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003chr style=\"margin: 40px 0; border: 0; border-top: 1px solid #eee;\"\u003e\n\n\u003cdiv style=\"background-color: #1a1a1a; color: #fff; padding: 40px; border-radius: 4px;\"\u003e\n  \u003ch2 style=\"margin-top: 0; color: #fff;\"\u003eCustom Engineering \u0026amp; Global Support\u003c\/h2\u003e\n  \u003cp style=\"line-height: 1.8; opacity: 0.9;\"\u003eWe offer \u003cstrong\u003etailored grinding wheel configurations\u003c\/strong\u003e and customized automation levels to match your specific production volume. Our team provides global site visits for \u003cstrong\u003einstallation, operator training, and process optimization\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"NANSEN","offers":[{"title":"Default Title","offer_id":63287801938289,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/8631\/8449\/files\/Grinding_Polishing_Machine.png?v=1777366734"},{"product_id":"industrial-valve-ball-grinding-machine","title":"Industrial Valve Ball Grinding Machine for Hard Seal Valve Production","description":"\u003ch2\u003eBall Valve Grinding Machine\u003c\/h2\u003e\n\u003cp\u003eThis ball valve grinding machine delivers precise and efficient valve ball and seat grinding. Its centerless grinding system ensures perfect concentricity between the ball and stem, while the motorized rollers drive the valve automatically, maintaining smooth rotation and accurate grinding. The advanced design achieves high surface finish and roundness, making it ideal for hard-seal ball valve production and maintenance workshops.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0996\/8631\/8449\/files\/Ball_Valve_Grind_3.webp?v=1774341725\" alt=\"Industrial ball valve grinding machine centerless grinding operation\"\u003e\u003c\/p\u003e\n\u003ch2\u003eWorking Principle\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eThe valve ball is rotated slowly while the grinding disc rotates rapidly to achieve uniform precision polishing.\u003c\/li\u003e\n\u003cli\u003eAdjustable eccentric distance ensures high-precision control of grinding depth and speed.\u003c\/li\u003e\n\u003cli\u003eCenterless rotation eliminates clamping deviation and ensures perfect alignment of valve head and stem.\u003c\/li\u003e\n\u003cli\u003eContinuous hydraulic power system ensures stable pressure during the grinding process.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cp\u003e1. Main technical parameters of spherical grinder (NS100) using for 1-6\" ball\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eUnit\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eGrinding sphere diameter (≈)\u003c\/td\u003e\n\u003ctd\u003emm\u003c\/td\u003e\n\u003ctd\u003eΦ25-Φ165\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBall hole diameter (≈)\u003c\/td\u003e\n\u003ctd\u003einch\u003c\/td\u003e\n\u003ctd\u003e1\/2\"-4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDistance from top center line to table top\u003c\/td\u003e\n\u003ctd\u003emm\u003c\/td\u003e\n\u003ctd\u003e120\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Ball Weight\u003c\/td\u003e\n\u003ctd\u003eKg\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpindle motor power\u003c\/td\u003e\n\u003ctd\u003eKW\u003c\/td\u003e\n\u003ctd\u003e5.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpindle speed range\u003c\/td\u003e\n\u003ctd\u003eRpm\u003c\/td\u003e\n\u003ctd\u003e100 ~ 3000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeadstock transmission torque\u003c\/td\u003e\n\u003ctd\u003eNM\u003c\/td\u003e\n\u003ctd\u003egreater than 40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeadstock speed range\u003c\/td\u003e\n\u003ctd\u003eRpm\u003c\/td\u003e\n\u003ctd\u003e6-50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eX\/Z travel\u003c\/td\u003e\n\u003ctd\u003emm\u003c\/td\u003e\n\u003ctd\u003e130\/130\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTail stock adjustment\u003c\/td\u003e\n\u003ctd\u003emm\u003c\/td\u003e\n\u003ctd\u003enone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVariation range of center distance between two\u003c\/td\u003e\n\u003ctd\u003emm\u003c\/td\u003e\n\u003ctd\u003e30-200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop of head and tail frame\u003c\/td\u003e\n\u003ctd\u003e\/\u003c\/td\u003e\n\u003ctd\u003eMohs 5#\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eX\/Z axis unidirectional positioning accuracy\u003c\/td\u003e\n\u003ctd\u003emm\u003c\/td\u003e\n\u003ctd\u003e0.02\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eX\/Z axis unidirectional repeat positioning accuracy\u003c\/td\u003e\n\u003ctd\u003emm\u003c\/td\u003e\n\u003ctd\u003e0.01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSealing surface spherical roughness\u003c\/td\u003e\n\u003ctd\u003eRa\u003c\/td\u003e\n\u003ctd\u003e0.4-0.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBall sealing surface roundness\u003c\/td\u003e\n\u003ctd\u003emm\u003c\/td\u003e\n\u003ctd\u003e0.01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions approx.\u003c\/td\u003e\n\u003ctd\u003emm\u003c\/td\u003e\n\u003ctd\u003e1800\u003cem\u003e1800\u003c\/em\u003e2000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThe net weight of the machine\u003c\/td\u003e\n\u003ctd\u003eKg\u003c\/td\u003e\n\u003ctd\u003e3500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eMain technical parameters of spherical grinder (NS150) using for 8-16\" Ball\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eUnit\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eGrinding sphere diameter (≈)\u003c\/td\u003e\n\u003ctd\u003emm\u003c\/td\u003e\n\u003ctd\u003eΦ88-Φ242\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBall hole diameter (≈)\u003c\/td\u003e\n\u003ctd\u003einch\u003c\/td\u003e\n\u003ctd\u003e2\"-6\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDistance from top center line to table top\u003c\/td\u003e\n\u003ctd\u003emm\u003c\/td\u003e\n\u003ctd\u003e140\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Ball Weight\u003c\/td\u003e\n\u003ctd\u003ekg\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpindle motor power\u003c\/td\u003e\n\u003ctd\u003eKW\u003c\/td\u003e\n\u003ctd\u003e5.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpindle speed range\u003c\/td\u003e\n\u003ctd\u003eRpm\u003c\/td\u003e\n\u003ctd\u003e100 ~ 3000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeadstock transmission torque\u003c\/td\u003e\n\u003ctd\u003eN·m\u003c\/td\u003e\n\u003ctd\u003egreater than 40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeadstock speed range\u003c\/td\u003e\n\u003ctd\u003eRpm\u003c\/td\u003e\n\u003ctd\u003e6-50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eX\/Z travel\u003c\/td\u003e\n\u003ctd\u003emm\u003c\/td\u003e\n\u003ctd\u003e150\/150\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTail stock adjustment\u003c\/td\u003e\n\u003ctd\u003emm\u003c\/td\u003e\n\u003ctd\u003enone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVariation range of center distance between two\u003c\/td\u003e\n\u003ctd\u003emm\u003c\/td\u003e\n\u003ctd\u003e30-280\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop of head and tail frame\u003c\/td\u003e\n\u003ctd\u003e\/\u003c\/td\u003e\n\u003ctd\u003eMohs 5#\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eX\/Z axis unidirectional positioning accuracy\u003c\/td\u003e\n\u003ctd\u003emm\u003c\/td\u003e\n\u003ctd\u003e0.02\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eX\/Z axis unidirectional repeat positioning accuracy\u003c\/td\u003e\n\u003ctd\u003emm\u003c\/td\u003e\n\u003ctd\u003e0.01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSealing surface spherical roughness\u003c\/td\u003e\n\u003ctd\u003eRa\u003c\/td\u003e\n\u003ctd\u003e0.4-0.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBall sealing surface roundness\u003c\/td\u003e\n\u003ctd\u003emm\u003c\/td\u003e\n\u003ctd\u003e0.02\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions approx.\u003c\/td\u003e\n\u003ctd\u003emm\u003c\/td\u003e\n\u003ctd\u003e1950\u003cem\u003e1950\u003c\/em\u003e2000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThe net weight of the machine\u003c\/td\u003e\n\u003ctd\u003ekg\u003c\/td\u003e\n\u003ctd\u003e4500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003c\/h2\u003e\n\u003ch2\u003eProduct Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAvailable in single-head and double-head types for flexible valve grinding operations.\u003c\/li\u003e\n\u003cli\u003eHigh-precision slow ball rotation and fast disc rotation for consistent grinding results.\u003c\/li\u003e\n\u003cli\u003eAdjustable eccentric head design for precise grinding control.\u003c\/li\u003e\n\u003cli\u003eDurable structure made of stainless steel and iron for long service life.\u003c\/li\u003e\n\u003cli\u003eCompatible with Kemet abrasives for fine surface polishing.\u003c\/li\u003e\n\u003cli\u003eCustom fixtures available for different valve sphere diameters (50–300 mm, up to φ635 mm outer).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePower \u0026amp; Control System\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eWorking Voltage: 380V (3-phase), Control Voltage: 220V.\u003c\/li\u003e\n\u003cli\u003eNo compressed air required — equipped with its own hydraulic supply system.\u003c\/li\u003e\n\u003cli\u003eAutomatic drive rollers ensure valve rotation control and length adjustment.\u003c\/li\u003e\n\u003cli\u003eFrequency control for main grinding head and spherical head for stable, precise operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHard-seal ball valve grinding for industrial valves, pipeline valves, and control valves.\u003c\/li\u003e\n\u003cli\u003eSuitable for valve manufacturers, maintenance workshops, and metal processing plants.\u003c\/li\u003e\n\u003cli\u003eIdeal for achieving mirror surface finish and high roundness on steel and alloy valve balls.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0996\/8631\/8449\/files\/Ball_Valve_Grind_2.webp?v=1774341938\" alt=\"Hard seal valve ball and seat precision finishing equipment\"\u003e\u003c\/p\u003e\n\u003ch2\u003eService \u0026amp; Support\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFree testing with customer-provided valve ball samples to verify surface accuracy.\u003c\/li\u003e\n\u003cli\u003eComprehensive 1-year machine warranty with lifetime technical support.\u003c\/li\u003e\n\u003cli\u003eOn-site engineer support available — only travel expenses required beyond warranty period.\u003c\/li\u003e\n\u003cli\u003eCustomized fixture and grinding solutions provided based on valve ball specifications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eAdvantages\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHigh precision grinding with roundness up to 0.005 mm.\u003c\/li\u003e\n\u003cli\u003eAutomatic operation reduces manual labor and improves consistency.\u003c\/li\u003e\n\u003cli\u003eHydraulic control ensures stable pressure and smooth motion.\u003c\/li\u003e\n\u003cli\u003eEnergy-efficient system with frequency control for speed adjustment.\u003c\/li\u003e\n\u003cli\u003eStrong support service for global customers in the valve manufacturing industry.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NANSEN","offers":[{"title":"Default Title","offer_id":63322240483697,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/8631\/8449\/files\/56e3755d-2815-4d8d-b7b6-2e32a2944912.png?v=1774341492"}],"url":"https:\/\/www.machinens.com\/collections\/metal-ball-grinding-polishing-machines.oembed","provider":"NANSEN","version":"1.0","type":"link"}