{"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=\"\"\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=\"\"\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":"Machine","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\/products\/industrial-valve-ball-grinding-machine","provider":"Machine","version":"1.0","type":"link"}