{"id":1220,"date":"2026-04-10T07:39:10","date_gmt":"2026-04-10T07:39:10","guid":{"rendered":"https:\/\/hxcnc.com\/?page_id=1220"},"modified":"2026-06-03T07:29:07","modified_gmt":"2026-06-03T07:29:07","slug":"open-impeller","status":"publish","type":"page","link":"https:\/\/hxcnc.com\/ru\/product\/open-impeller\/","title":{"rendered":"\u041e\u0442\u043a\u0440\u044b\u0442\u044b\u0435 impellers"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"1220\" class=\"elementor elementor-1220\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-aabbccdd elementor-section-stretched elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"aabbccdd\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;stretch_section&quot;:&quot;section-stretched&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container 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exposed blade geometry \u2014 thin swept blades, variable pitch, blade profile \u00b10.05 mm, trailing edge down to R0.3 mm, flow surfaces Ra 0.8 \u00b5m. Blade-to-blade profile deviation \u2264 0.02 mm verified by CMM or optical scan. Fast prototype to production for pumps, mixers, and industrial fluid equipment.<\/p>\n          <div class=\"hxc-hero2-stats\">\n            <div class=\"hxc-hero2-stat\"><div class=\"hxc-hero2-stat-v\">\u00b10.05<sup>mm<\/sup><\/div><div class=\"hxc-hero2-stat-l\">Blade Profile<\/div><\/div>\n            <div class=\"hxc-hero2-stat\"><div class=\"hxc-hero2-stat-v\">R0.3<sup>mm<\/sup><\/div><div class=\"hxc-hero2-stat-l\">Min TE Radius<\/div><\/div>\n            <div class=\"hxc-hero2-stat\"><div class=\"hxc-hero2-stat-v\">Ra 0.8<sup>\u00b5m<\/sup><\/div><div class=\"hxc-hero2-stat-l\">Flow Surface<\/div><\/div>\n          <\/div>\n          <div class=\"hxc-hero2-btns\">\n            <a href=\"#hxc-cta\" class=\"hxc-btn hxc-p\">Get Instant Quote <span class=\"hxc-ar\">\u2192<\/span><\/a>\n            <a href=\"#hxc-gal\" class=\"hxc-btn hxc-o\">View Our Work<\/a>\n          <\/div>\n        <\/div>\n        <div class=\"hxc-hero2-R\">\n          <div class=\"hxc-hero2-board\">\n            <div class=\"hxc-hero2-ribbon\">\n              <span><span class=\"dot\"><\/span>PART DWG \u00b7 OIP-001 \u00b7 6 BLADES \u00b7 Al 7075 \u00b7 5-AXIS ONE SETUP<\/span>\n              <span>ISO 9001 \u00b7 CMM PROFILE SCAN \u00b7 BAL \u2264 0.02<\/span>\n            <\/div>\n            <div class=\"hxc-hero2-pin hxc-hero2-pin-a hxc-hero2-pin-1\">5-Axis Simultaneous<\/div>\n            <div class=\"hxc-hero2-pin hxc-hero2-pin-2\">Blade-to-Blade \u22640.02<\/div>\n            <div class=\"hxc-hero2-scene\">\n              <svg viewBox=\"0 0 480 360\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" aria-label=\"Isometric open impeller with central hub, 6 exposed swept curved blades highlighted in emerald, trailing edge R0.3 callout, blade chord and lead angle indicators, 5-axis one-setup stamp, blade-to-blade tolerance stamp, four corner info cards.\">\n                <defs>\n                  <linearGradient id=\"oipH\" x1=\"0\" y1=\"0\" x2=\"0\" y2=\"1\"><stop offset=\"0\" stop-color=\"#6EE7B7\"\/><stop offset=\"1\" stop-color=\"#10B981\"\/><\/linearGradient>\n                  <linearGradient id=\"oipB\" x1=\"0\" y1=\"0\" x2=\"0\" y2=\"1\"><stop offset=\"0\" stop-color=\"#10B981\"\/><stop offset=\"1\" stop-color=\"#047857\"\/><\/linearGradient>\n                  <linearGradient id=\"oipBd\" x1=\"0\" y1=\"0\" x2=\"0\" y2=\"1\"><stop offset=\"0\" stop-color=\"#6EE7B7\"\/><stop offset=\".5\" stop-color=\"#059669\"\/><stop offset=\"1\" stop-color=\"#064E3B\"\/><\/linearGradient>\n                <\/defs>\n                <g transform=\"translate(150,196)\">\n                  <text x=\"-115\" y=\"-100\" font-family=\"Roboto Condensed,sans-serif\" font-size=\"9\" font-weight=\"700\" fill=\"#6EE7B7\">OPEN IMPELLER \u00b7 6 BLADES \u00b7 5-AXIS<\/text>\n                  <text x=\"-115\" y=\"-90\" font-family=\"Roboto Mono,monospace\" font-size=\"5\" fill=\"rgba(110,231,183,.78)\">Al 7075 ANO \u00b7 \u00d8180 \u00b7 BLADE 2.5 MM \u00b7 SWEPT VANE<\/text>\n                  <g transform=\"translate(-115,-78)\"><rect x=\"0\" y=\"0\" width=\"58\" height=\"10\" fill=\"none\" stroke=\"#FCD34D\" stroke-width=\".5\"\/><line x1=\"14\" y1=\"0\" x2=\"14\" y2=\"10\" stroke=\"#FCD34D\" stroke-width=\".5\"\/><text x=\"36\" y=\"7\" font-family=\"Roboto Mono,monospace\" font-size=\"6\" fill=\"#FCD34D\" text-anchor=\"middle\" font-weight=\"700\">\u00b10.05 PROF<\/text><\/g>\n                  <ellipse cx=\"0\" cy=\"0\" rx=\"58\" ry=\"20\" fill=\"rgba(15,23,42,.35)\" stroke=\"#064E3B\" stroke-width=\".4\" stroke-dasharray=\"2 1.5\"\/>\n                  <g fill=\"url(#oipBd)\" stroke=\"#064E3B\" stroke-width=\".5\">\n                    <path d=\"M 0,-6 Q 25,-30 50,-18 L 52,-13 Q 28,-22 0,-2 Z\"\/>\n                    <path d=\"M 0,-6 Q -20,-25 -40,-10 L -42,-5 Q -22,-18 0,-2 Z\" opacity=\".95\"\/>\n                    <path d=\"M 0,6 Q 25,30 50,18 L 52,13 Q 28,22 0,2 Z\" opacity=\".88\"\/>\n                    <path d=\"M 0,6 Q -20,25 -40,10 L -42,5 Q -22,18 0,2 Z\" opacity=\".82\"\/>\n                  <\/g>\n                  <g fill=\"url(#oipBd)\" stroke=\"#064E3B\" stroke-width=\".5\" opacity=\".7\">\n                    <path d=\"M -6,0 Q -35,-12 -45,12 L -42,16 Q -32,-6 -2,0 Z\"\/>\n                    <path d=\"M 6,0 Q 35,12 45,-12 L 42,-16 Q 32,6 2,0 Z\"\/>\n                  <\/g>\n                  <ellipse cx=\"0\" cy=\"0\" rx=\"12\" ry=\"5\" fill=\"url(#oipH)\" stroke=\"#064E3B\" stroke-width=\".6\"\/>\n                  <rect x=\"-5\" y=\"-2\" width=\"10\" height=\"4\" fill=\"#0F172A\" stroke=\"#FCD34D\" stroke-width=\".4\"\/>\n                  <text x=\"0\" y=\"2\" font-family=\"Roboto Mono,monospace\" font-size=\"3.5\" fill=\"#FCD34D\" text-anchor=\"middle\" font-weight=\"700\">HUB<\/text>\n                  <g stroke=\"#FCD34D\" stroke-width=\".4\" fill=\"none\">\n                    <path d=\"M 50,-18 L 65,-30\"\/>\n                    <circle cx=\"65\" cy=\"-30\" r=\"1.5\"\/>\n                  <\/g>\n                  <text x=\"78\" y=\"-32\" font-family=\"Roboto Mono,monospace\" font-size=\"5\" fill=\"#FCD34D\" font-weight=\"700\">TE R0.3<\/text>\n                  <text x=\"78\" y=\"-26\" font-family=\"Roboto Mono,monospace\" font-size=\"4\" fill=\"rgba(252,211,77,.7)\">min radius<\/text>\n                  <g stroke=\"#FCD34D\" stroke-width=\".4\" fill=\"none\">\n                    <path d=\"M -40,-10 L -55,-25\"\/>\n                    <line x1=\"-60\" y1=\"-20\" x2=\"-50\" y2=\"-30\" stroke-width=\".3\"\/>\n                    <path d=\"M -52,-23 A 8 8 0 0 1 -47,-28\" stroke-width=\".3\"\/>\n                  <\/g>\n                  <text x=\"-75\" y=\"-25\" font-family=\"Roboto Mono,monospace\" font-size=\"4.5\" fill=\"#FCD34D\" font-weight=\"700\">\u03b2 = 24\u00b0<\/text>\n                  <text x=\"-75\" y=\"-19\" font-family=\"Roboto Mono,monospace\" font-size=\"3.5\" fill=\"rgba(252,211,77,.7)\">vane angle<\/text>\n                  <g transform=\"translate(0,40)\">\n                    <line x1=\"-58\" y1=\"0\" x2=\"58\" y2=\"0\" stroke=\"#FCD34D\" stroke-width=\".4\"\/>\n                    <line x1=\"-58\" y1=\"-3\" x2=\"-58\" y2=\"3\" stroke=\"#FCD34D\" stroke-width=\".4\"\/>\n                    <line x1=\"58\" y1=\"-3\" x2=\"58\" y2=\"3\" stroke=\"#FCD34D\" stroke-width=\".4\"\/>\n                    <text x=\"0\" y=\"-3\" font-family=\"Roboto Mono,monospace\" font-size=\"6\" fill=\"#FCD34D\" text-anchor=\"middle\" font-weight=\"700\">\u00d8 180 \u00b7 6 BLADES<\/text>\n                  <\/g>\n                  <g transform=\"translate(-90,60)\">\n                    <rect x=\"-12\" y=\"-7\" width=\"60\" height=\"14\" fill=\"rgba(4,120,87,.7)\" stroke=\"#6EE7B7\" stroke-width=\".5\" rx=\"3\"\/>\n                    <text x=\"18\" y=\"-1\" font-family=\"Roboto Mono,monospace\" font-size=\"5\" fill=\"#fff\" text-anchor=\"middle\" font-weight=\"700\">\u2295 5-AXIS<\/text>\n                    <text x=\"18\" y=\"5\" font-family=\"Roboto Mono,monospace\" font-size=\"4\" fill=\"#fff\" text-anchor=\"middle\">ONE SETUP<\/text>\n                  <\/g>\n                  <g transform=\"translate(80,60)\">\n                    <rect x=\"-22\" y=\"-7\" width=\"56\" height=\"14\" fill=\"rgba(4,120,87,.65)\" stroke=\"#6EE7B7\" stroke-width=\".5\" rx=\"3\"\/>\n                    <text x=\"6\" y=\"-1\" font-family=\"Roboto Mono,monospace\" font-size=\"5\" fill=\"#fff\" text-anchor=\"middle\" font-weight=\"700\">BLADE-TO-BLADE<\/text>\n                    <text x=\"6\" y=\"5\" font-family=\"Roboto Mono,monospace\" font-size=\"4\" fill=\"#fff\" text-anchor=\"middle\">\u2264 0.02 MM CMM<\/text>\n                  <\/g>\n                  <g transform=\"translate(0,80)\">\n                    <text x=\"0\" y=\"0\" font-family=\"Roboto Mono,monospace\" font-size=\"6\" fill=\"rgba(110,231,183,.85)\" text-anchor=\"middle\" font-weight=\"700\">SWEPT VANE \u00b7 ADAPTIVE FEED \u00b7 CHATTER-FREE<\/text>\n                  <\/g>\n                <\/g>\n                <g transform=\"translate(20,30)\">\n                  <rect x=\"0\" y=\"0\" width=\"172\" height=\"84\" fill=\"rgba(15,23,42,.4)\" stroke=\"#475569\" stroke-width=\"1\" stroke-dasharray=\"4 3\" rx=\"6\"\/>\n                  <text x=\"10\" y=\"14\" font-family=\"Roboto Mono,monospace\" font-size=\"8\" fill=\"rgba(255,255,255,.55)\" letter-spacing=\"1\">BLADE \u00b7 COUNT<\/text>\n                  <g font-family=\"Roboto Mono,monospace\" font-size=\"6\">\n                    <text x=\"14\" y=\"32\" fill=\"#fff\">2-3 blades<\/text><text x=\"158\" y=\"32\" fill=\"rgba(255,255,255,.75)\" text-anchor=\"end\">slurry \u00b7 marine<\/text>\n                    <text x=\"14\" y=\"46\" fill=\"#fff\">4-5 blades<\/text><text x=\"158\" y=\"46\" fill=\"rgba(255,255,255,.75)\" text-anchor=\"end\">non-clog<\/text>\n                    <rect x=\"10\" y=\"50\" width=\"152\" height=\"11\" fill=\"rgba(4,120,87,.7)\" rx=\"2\"\/>\n                    <text x=\"14\" y=\"58\" fill=\"#6EE7B7\" font-weight=\"700\">6-8 blades \u25c0<\/text><text x=\"158\" y=\"58\" fill=\"#6EE7B7\" font-weight=\"700\" text-anchor=\"end\">pump std<\/text>\n                    <text x=\"14\" y=\"72\" fill=\"#FCD34D\">10-16 blades<\/text><text x=\"158\" y=\"72\" fill=\"rgba(252,211,77,.7)\" text-anchor=\"end\">mixer \u00b7 HVAC<\/text>\n                  <\/g>\n                <\/g>\n                <g transform=\"translate(290,30)\">\n                  <rect x=\"0\" y=\"0\" width=\"180\" height=\"84\" fill=\"rgba(15,23,42,.4)\" stroke=\"#475569\" stroke-width=\"1\" stroke-dasharray=\"4 3\" rx=\"6\"\/>\n                  <text x=\"10\" y=\"14\" font-family=\"Roboto Mono,monospace\" font-size=\"8\" fill=\"rgba(255,255,255,.55)\" letter-spacing=\"1\">MATERIAL \u00b7 GRADE<\/text>\n                  <g font-family=\"Roboto Mono,monospace\" font-size=\"6\">\n                    <rect x=\"10\" y=\"22\" width=\"160\" height=\"11\" fill=\"rgba(4,120,87,.7)\" rx=\"2\"\/>\n                    <text x=\"14\" y=\"30\" fill=\"#6EE7B7\" font-weight=\"700\">Al 7075 hard ano \u25c0<\/text><text x=\"166\" y=\"30\" fill=\"#6EE7B7\" font-weight=\"700\" text-anchor=\"end\">mixer \u00b7 proto<\/text>\n                    <text x=\"14\" y=\"44\" fill=\"#fff\">SUS316L \u00b7 Duplex 2205<\/text><text x=\"166\" y=\"44\" fill=\"rgba(255,255,255,.75)\" text-anchor=\"end\">slurry \u00b7 sea<\/text>\n                    <text x=\"14\" y=\"58\" fill=\"#fff\">Ti Grade 5 \u00b7 PEEK<\/text><text x=\"166\" y=\"58\" fill=\"rgba(255,255,255,.75)\" text-anchor=\"end\">aero \u00b7 chem<\/text>\n                    <text x=\"14\" y=\"72\" fill=\"#FCD34D\">Bronze C95500<\/text><text x=\"166\" y=\"72\" fill=\"rgba(252,211,77,.7)\" text-anchor=\"end\">marine<\/text>\n                  <\/g>\n                <\/g>\n                <g transform=\"translate(20,232)\">\n                  <rect x=\"0\" y=\"0\" width=\"172\" height=\"108\" fill=\"rgba(15,23,42,.4)\" stroke=\"#475569\" stroke-width=\"1\" stroke-dasharray=\"4 3\" rx=\"6\"\/>\n                  <text x=\"10\" y=\"14\" font-family=\"Roboto Mono,monospace\" font-size=\"8\" fill=\"rgba(255,255,255,.55)\" letter-spacing=\"1\">APPLICATION \u00b7 TYPE<\/text>\n                  <g font-family=\"Roboto Mono,monospace\" font-size=\"6\">\n                    <rect x=\"10\" y=\"22\" width=\"152\" height=\"11\" fill=\"rgba(4,120,87,.7)\" rx=\"2\"\/>\n                    <text x=\"14\" y=\"30\" fill=\"#6EE7B7\" font-weight=\"700\">Industrial mixer \u25c0<\/text><text x=\"158\" y=\"30\" fill=\"#6EE7B7\" font-weight=\"700\" text-anchor=\"end\">batch \u00b7 agitate<\/text>\n                    <text x=\"14\" y=\"44\" fill=\"#fff\">Centrifugal pump<\/text><text x=\"158\" y=\"44\" fill=\"rgba(255,255,255,.75)\" text-anchor=\"end\">water \u00b7 slurry<\/text>\n                    <text x=\"14\" y=\"58\" fill=\"#fff\">Marine propulsion<\/text><text x=\"158\" y=\"58\" fill=\"rgba(255,255,255,.75)\" text-anchor=\"end\">bronze \u00b7 sea<\/text>\n                    <text x=\"14\" y=\"72\" fill=\"#fff\">HVAC fan<\/text><text x=\"158\" y=\"72\" fill=\"rgba(255,255,255,.75)\" text-anchor=\"end\">axial \u00b7 centrif<\/text>\n                    <line x1=\"14\" y1=\"82\" x2=\"158\" y2=\"82\" stroke=\"rgba(255,255,255,.15)\" stroke-width=\".4\"\/>\n                    <text x=\"14\" y=\"92\" fill=\"rgba(255,255,255,.65)\">Chemical \u00b7 Aero test<\/text>\n                    <text x=\"14\" y=\"100\" fill=\"rgba(110,231,183,.85)\" font-weight=\"700\">Reverse-eng OK<\/text>\n                  <\/g>\n                <\/g>\n                <g transform=\"translate(220,232)\">\n                  <rect x=\"0\" y=\"0\" width=\"252\" height=\"108\" fill=\"rgba(15,23,42,.4)\" stroke=\"#475569\" stroke-width=\"1\" stroke-dasharray=\"4 3\" rx=\"6\"\/>\n                  <text x=\"10\" y=\"14\" font-family=\"Roboto Mono,monospace\" font-size=\"8\" fill=\"rgba(255,255,255,.55)\" letter-spacing=\"1\">TOLERANCE \u00b7 CLASS<\/text>\n                  <g font-family=\"Roboto Mono,monospace\" font-size=\"6.5\">\n                    <rect x=\"10\" y=\"28\" width=\"232\" height=\"11\" fill=\"rgba(4,120,87,.7)\" rx=\"2\"\/>\n                    <text x=\"14\" y=\"36\" fill=\"#6EE7B7\" font-weight=\"700\">Blade profile \u00b10.05 \u25c0<\/text><text x=\"238\" y=\"36\" fill=\"#6EE7B7\" font-weight=\"700\" text-anchor=\"end\">CMM scan<\/text>\n                    <text x=\"14\" y=\"52\" fill=\"#fff\">Precision \u00b10.02 mm<\/text><text x=\"238\" y=\"52\" fill=\"rgba(255,255,255,.65)\" text-anchor=\"end\">aero proto<\/text>\n                    <text x=\"14\" y=\"68\" fill=\"#fff\">Surface Ra 0.8 \u00b5m<\/text><text x=\"238\" y=\"68\" fill=\"rgba(255,255,255,.65)\" text-anchor=\"end\">flow grade<\/text>\n                    <text x=\"14\" y=\"84\" fill=\"#fff\">Trailing edge R0.3<\/text><text x=\"238\" y=\"84\" fill=\"rgba(255,255,255,.65)\" text-anchor=\"end\">min radius<\/text>\n                    <text x=\"14\" y=\"100\" fill=\"#FCD34D\">BLADE-TO-BLADE \u2264 0.02<\/text><text x=\"238\" y=\"100\" fill=\"rgba(252,211,77,.7)\" text-anchor=\"end\">balance ready<\/text>\n                  <\/g>\n                <\/g>\n                <text x=\"468\" y=\"20\" font-family=\"Roboto Mono,monospace\" font-size=\"8\" fill=\"rgba(255,255,255,.4)\" text-anchor=\"end\" letter-spacing=\"1\">SCALE 1:2 \u00b7 MM<\/text>\n              <\/svg>\n            <\/div>\n            <div class=\"hxc-hero2-chips\">\n              <div class=\"hxc-hero2-chip\"><div class=\"hxc-hero2-chip-v\">Mixer \u00b7 Pump \u00b7 Marine \u00b7 HVAC \u00b7 Chem \u00b7 Aero<\/div><div class=\"hxc-hero2-chip-l\">Applications<\/div><\/div>\n              <div class=\"hxc-hero2-chip\"><div class=\"hxc-hero2-chip-v\">Al 7075 \u00b7 SUS316L \u00b7 Ti \u00b7 PEEK \u00b7 Bronze<\/div><div class=\"hxc-hero2-chip-l\">Materials<\/div><\/div>\n              <div class=\"hxc-hero2-chip\"><div class=\"hxc-hero2-chip-v\">48<span>hr<\/span> Quote \u00b7 6-Day Proto \u00b7 MOQ 1<\/div><div class=\"hxc-hero2-chip-l\">Service<\/div><\/div>\n            <\/div>\n          <\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <div class=\"hxc-stats\">\n    <div class=\"hxc-sg\">\n      <div class=\"hxc-st\"><div class=\"hxc-sn\">\u00b10.05mm<\/div><div class=\"hxc-sl2\">Blade Profile<br>5-axis tolerance<\/div><\/div>\n      <div class=\"hxc-st\"><div class=\"hxc-sn\">R0.3mm<\/div><div class=\"hxc-sl2\">Min Trailing Edge<br>thin-blade capability<\/div><\/div>\n      <div class=\"hxc-st\"><div class=\"hxc-sn\">Ra 0.8\u00b5m<\/div><div class=\"hxc-sl2\">Flow Surface<br>all blade surfaces<\/div><\/div>\n      <div class=\"hxc-st\"><div class=\"hxc-sn\">6 Days<\/div><div class=\"hxc-sl2\">Fastest Delivery<br>prototype orders<\/div><\/div>\n    <\/div>\n  <\/div>\n\n  <div class=\"hxc-s\">\n    <div class=\"hxc-inner\">\n      <span class=\"hxc-ey\">Why It's Difficult<\/span>\n      <h2 class=\"hxc-h2\">Open Impeller Machining Challenges<\/h2>\n      <p class=\"hxc-sub\" style=\"margin-bottom:36px\">Open impellers have exposed blades that are thin, tall, and prone to vibration during machining \u2014 yet must hold tight profile tolerances for consistent hydraulic performance.<\/p>\n      <div class=\"hxc-chg\">\n        <div class=\"hxc-chc hxc-rv\"><div class=\"hxc-chi\">\ud83c\udf43<\/div><div class=\"hxc-cht\">Thin Blade Stability<\/div><div class=\"hxc-chd\">Thin, tall blades (aspect ratio >5:1) vibrate at tool contact \u2014 causing chatter marks and profile inaccuracy. We machine open impeller blades with <strong>adaptive feed rate, optimised lead\/lag angles<\/strong>, and where needed, custom damping fixtures.<\/div><\/div>\n        <div class=\"hxc-chc hxc-rv\"><div class=\"hxc-chi\">\ud83d\udd2a<\/div><div class=\"hxc-cht\">Trailing Edge Sharpness<\/div><div class=\"hxc-chd\">The trailing edge must taper to a radius as small as R0.3 mm \u2014 difficult to achieve without breakout or burring. We use dedicated trailing-edge finishing passes with small ball-nose tools and controlled approach angles.<\/div><\/div>\n        <div class=\"hxc-chc hxc-rv\"><div class=\"hxc-chi\">\u2699\ufe0f<\/div><div class=\"hxc-cht\">Blade-to-Blade Uniformity<\/div><div class=\"hxc-chd\">Every blade must match every other for balanced operation. HXC measures all blades by CMM or optical scan and reports blade-to-blade profile deviation \u2014 standard \u2264 0.02 mm.<\/div><\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n\n  <div class=\"hxc-s-cd\" id=\"hxc-gal\">\n    <div class=\"hxc-inner\">\n      <div class=\"hxc-gh\">\n        <div>\n          <span class=\"hxc-ey\">Our Work<\/span>\n          <h2 class=\"hxc-h2\">Open Impellers We've Made<\/h2>\n          <p class=\"hxc-sub\">Open pump, mixer, and industrial fluid impellers \u2014 exposed blades, Ra 0.8 \u00b5m, fully CMM verified.<\/p>\n        <\/div>\n        <a class=\"hxc-btn hxc-o\" href=\"#hxc-cta\" style=\"flex-shrink:0\">Request Similar Part <span class=\"hxc-ar\">\u2192<\/span><\/a>\n      <\/div>\n      <div class=\"hxc-gg\">\n        <div class=\"hxc-gc\"><img decoding=\"async\" alt=\"Industrial Mixer Open Impeller\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/06\/Industrial-Mixer-Open-Impeller.webp\"><span class=\"hxc-gtag\">Al 7075 \u00b7 Mixer<\/span><div class=\"hxc-gov\"><div class=\"hxc-gn\">Industrial Mixer Open Impeller<\/div><div class=\"hxc-gm\">6 blades \u00b7 Ra 0.8\u00b5m \u00b7 40 pcs<\/div><\/div><\/div>\n        <div class=\"hxc-gc\"><img decoding=\"async\" alt=\"Slurry Pump Open Impeller\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/06\/Slurry-Pump-Open-Impeller.webp\"><span class=\"hxc-gtag\">SUS316L \u00b7 Slurry<\/span><div class=\"hxc-gov\"><div class=\"hxc-gn\">Slurry Pump Open Impeller<\/div><div class=\"hxc-gm\">Hardened \u00b7 20 pcs<\/div><\/div><\/div>\n        <div class=\"hxc-gc\"><img decoding=\"async\" alt=\"Open Axial Fan Impeller\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/06\/Open-Axial-Fan-Impeller.webp\"><span class=\"hxc-gtag\">Al 6061 \u00b7 HVAC<\/span><div class=\"hxc-gov\"><div class=\"hxc-gn\">Open Axial Fan Impeller<\/div><div class=\"hxc-gm\">8 blades \u00b7 Ano \u00b7 60 pcs<\/div><\/div><\/div>\n        <div class=\"hxc-gc\"><img decoding=\"async\" alt=\"Aerospace Open Impeller\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/06\/Aerospace-Open-Impeller.webp\"><span class=\"hxc-gtag\">Ti Grade 5 \u00b7 Aero<\/span><div class=\"hxc-gov\"><div class=\"hxc-gn\">Aerospace Open Impeller<\/div><div class=\"hxc-gm\">\u00b10.03mm \u00b7 5 pcs<\/div><\/div><\/div>\n        <div class=\"hxc-gc\"><img decoding=\"async\" alt=\"Wastewater Open Impeller\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/06\/Wastewater-Open-Impeller.webp\"><span class=\"hxc-gtag\">SUS304 \u00b7 Water<\/span><div class=\"hxc-gov\"><div class=\"hxc-gn\">Wastewater Open Impeller<\/div><div class=\"hxc-gm\">Non-clog \u00b7 25 pcs<\/div><\/div><\/div>\n        <div class=\"hxc-gc\"><img decoding=\"async\" alt=\"Marine Open Impeller\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/06\/Marine-Open-Impeller.webp\"><span class=\"hxc-gtag\">Bronze \u00b7 Marine<\/span><div class=\"hxc-gov\"><div class=\"hxc-gn\">Marine Open Impeller<\/div><div class=\"hxc-gm\">3-blade \u00b7 Bronze \u00b7 15 pcs<\/div><\/div><\/div>\n        <div class=\"hxc-gc\"><img decoding=\"async\" alt=\"PEEK Open Impeller\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/06\/PEEK-Open-Impeller.webp\"><span class=\"hxc-gtag\">PEEK \u00b7 Chemical<\/span><div class=\"hxc-gov\"><div class=\"hxc-gn\">PEEK Open Impeller<\/div><div class=\"hxc-gm\">Chemical-res. \u00b7 10 pcs<\/div><\/div><\/div>\n        <div class=\"hxc-gc\"><img decoding=\"async\" alt=\"R&amp;D Prototype Impeller\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/06\/RD-Prototype-Impeller.webp\"><span class=\"hxc-gtag\">Al 7075 \u00b7 Proto<\/span><div class=\"hxc-gov\"><div class=\"hxc-gn\">R&amp;D Prototype Impeller<\/div><div class=\"hxc-gm\">Fast-turn \u00b7 3 pcs<\/div><\/div><\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n\n  <div class=\"hxc-s-sf\">\n    <div class=\"hxc-inner\">\n      <span class=\"hxc-ey\">Capabilities &amp; Tolerances<\/span>\n      <h2 class=\"hxc-h2\">What We Can Deliver<\/h2>\n      <p class=\"hxc-sub\" style=\"margin-bottom:36px\">Typical specifications for this product type \u2014 confirm exact requirements at enquiry.<\/p>\n      <div class=\"hxc-cap-grid\">\n        <table class=\"hxc-cap-tbl\">\n          <tr><td>Blade count<\/td><td>2\u201316 blades<\/td><\/tr>\n          <tr><td>Max OD<\/td><td>\u00d8600 mm<\/td><\/tr>\n          <tr><td>Min blade thickness<\/td><td>1.5 mm<\/td><\/tr>\n          <tr><td>Blade profile tol.<\/td><td>\u00b10.05 mm<\/td><\/tr>\n          <tr><td>Trailing edge radius<\/td><td>R0.3 mm min<\/td><\/tr>\n          <tr><td>Blade-to-blade deviation<\/td><td>\u2264 0.02 mm<\/td><\/tr>\n        <\/table>\n        <table class=\"hxc-cap-tbl\">\n          <tr><td>Surface finish (blade)<\/td><td>Ra 0.8 \u00b5m standard<\/td><\/tr>\n          <tr><td>Materials<\/td><td>Al, SS, Ti, Bronze, PEEK<\/td><\/tr>\n          <tr><td>Machining<\/td><td>5-axis simultaneous<\/td><\/tr>\n          <tr><td>Inspection<\/td><td>CMM + blade profile scan<\/td><\/tr>\n          <tr><td>Lead time (proto)<\/td><td>6\u20139 days<\/td><\/tr>\n          <tr><td>Lead time (batch)<\/td><td>12\u201318 days<\/td><\/tr>\n        <\/table>\n      <\/div>\n    <\/div>\n  <\/div>\n\n  <div class=\"hxc-s\">\n    <div class=\"hxc-inner\" style=\"text-align:center\">\n      <span class=\"hxc-ey\">How It Works<\/span>\n      <h2 class=\"hxc-h2\" style=\"margin:0 auto 10px\">From Drawing to Finished Part<\/h2>\n      <p class=\"hxc-sub\" style=\"margin:0 auto\">Upload your 2D\/3D file \u2014 DFM feedback, toolpath planning, and confirmed lead time within 48 hours.<\/p>\n      <div class=\"hxc-psg\">\n        <div class=\"hxc-ps\"><div class=\"hxc-psn\">01<\/div><div class=\"hxc-pst\">Upload Drawing<\/div><div class=\"hxc-psd\">STEP, IGES, DXF or PDF. Include surface quality and tolerance callouts.<\/div><\/div>\n        <div class=\"hxc-ps\"><div class=\"hxc-psn\">02<\/div><div class=\"hxc-pst\">DFM &amp; Toolpath<\/div><div class=\"hxc-psd\">Free DFM review \u2014 undercuts, thin walls, flow path access, surface strategy.<\/div><\/div>\n        <div class=\"hxc-ps\"><div class=\"hxc-psn\">03<\/div><div class=\"hxc-pst\">5-Axis &amp; QC<\/div><div class=\"hxc-psd\">5-axis CNC, in-process probing, CMM or optical surface scan.<\/div><\/div>\n        <div class=\"hxc-ps\"><div class=\"hxc-psn\">04<\/div><div class=\"hxc-pst\">Ship Worldwide<\/div><div class=\"hxc-psd\">Full dimensional report enclosed. DHL \/ FedEx \/ sea freight.<\/div><\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n\n  <div class=\"hxc-s-sf\">\n    <div class=\"hxc-inner\">\n      <div style=\"text-align:center;margin-bottom:36px\">\n        <span class=\"hxc-ey\">Reviews<\/span>\n        <h2 class=\"hxc-h2\">Trusted by Engineers Worldwide<\/h2>\n      <\/div>\n      <div class=\"hxc-tsg\">\n        <div class=\"hxc-tsi hxc-rv\"><div class=\"hxc-tss\">\u2605\u2605\u2605\u2605\u2605<\/div><div class=\"hxc-tst\">\"Blade profile accuracy was exceptional \u2014 every part passed our incoming CMM check first time. Surface finish on the flow surfaces exceeded our Ra 0.4 \u00b5m specification.\"<\/div><div class=\"hxc-tshr\"><\/div><div class=\"hxc-tsau\"><div class=\"hxc-tsav\">AK<\/div><div><div class=\"hxc-tsnm\">Alex K.<\/div><div class=\"hxc-tsco\">Fluid Systems Engineer \u00b7 Germany<\/div><\/div><\/div><\/div>\n        <div class=\"hxc-tsi hxc-rv\"><div class=\"hxc-tss\">\u2605\u2605\u2605\u2605\u2605<\/div><div class=\"hxc-tst\">\"HXC understood the 5-axis toolpath challenges immediately. Their DFM feedback caught an undercut issue we had missed. Lead time as quoted.\"<\/div><div class=\"hxc-tshr\"><\/div><div class=\"hxc-tsau\"><div class=\"hxc-tsav\">SL<\/div><div><div class=\"hxc-tsnm\">Sophie L.<\/div><div class=\"hxc-tsco\">Design Engineer \u00b7 France<\/div><\/div><\/div><\/div>\n        <div class=\"hxc-tsi hxc-rv\"><div class=\"hxc-tss\">\u2605\u2605\u2605\u2605\u2605<\/div><div class=\"hxc-tst\">\"We've run three production batches of complex curved parts through HXC. Dimensional consistency batch-to-batch is the best we've seen from any supplier.\"<\/div><div class=\"hxc-tshr\"><\/div><div class=\"hxc-tsau\"><div class=\"hxc-tsav\">JT<\/div><div><div class=\"hxc-tsnm\">James T.<\/div><div class=\"hxc-tsco\">Senior Procurement Manager \u00b7 UK<\/div><\/div><\/div><\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n\n  <div class=\"hxc-s\" id=\"hxc-faq\">\n    <div class=\"hxc-inner\">\n      <span class=\"hxc-ey\">FAQ<\/span>\n      <h2 class=\"hxc-h2\">Open Impeller Machining \u2014 FAQ<\/h2>\n      <p class=\"hxc-sub\" style=\"margin-bottom:40px\">Engineering and procurement questions answered by our 5-axis machining team.<\/p>\n      <div class=\"hxc-faq-grid\">\n        <div>\n          <div class=\"hxc-faq-item\"><button aria-expanded=\"false\" class=\"hxc-faq-q\" onclick=\"hxcFaq(this)\">Is open impeller machining suitable for prototype development?<span class=\"hxc-faq-icon\">+<\/span><\/button><div class=\"hxc-faq-body\">Yes \u2014 open impellers are well-suited to fast prototype iteration. With no enclosed passages, <strong>toolpath programming is faster and first-article inspection is simpler<\/strong> than for closed impellers. HXC regularly turns around single-piece prototype open impellers in 6\u20139 days \u2014 fast enough for design iteration cycles in development programmes.<\/div><\/div>\n          <div class=\"hxc-faq-item\"><button aria-expanded=\"false\" class=\"hxc-faq-q\" onclick=\"hxcFaq(this)\">Can you machine thin blades without deformation?<span class=\"hxc-faq-icon\">+<\/span><\/button><div class=\"hxc-faq-body\">Yes, with appropriate process controls. For blades thinner than 3 mm, HXC uses: <strong>(1) Adaptive feed control<\/strong> \u2014 reduces feed at high-deflection zones; <strong>(2) Lead\/lag angle optimisation<\/strong> \u2014 cutting forces are directed along the blade rather than across it; <strong>(3) Sequential blade roughing<\/strong> \u2014 adjacent blades provide mutual stiffness during roughing. Minimum blade thickness: 1.5 mm in aluminium, 2.0 mm in stainless.<\/div><\/div>\n          <div class=\"hxc-faq-item\"><button aria-expanded=\"false\" class=\"hxc-faq-q\" onclick=\"hxcFaq(this)\">What tolerances can you hold on open impeller profiles?<span class=\"hxc-faq-icon\">+<\/span><\/button><div class=\"hxc-faq-body\">Blade profile: <strong>\u00b10.05 mm<\/strong> standard (CMM verified). Blade chord length: \u00b10.1 mm. Trailing edge position: \u00b10.05 mm. Blade-to-blade variation: \u2264 0.02 mm. Hub-to-blade fillet radius: \u00b10.1 mm. For tighter requirements (aerospace prototypes), \u00b10.02 mm profile tolerance is achievable with additional semi-finish probing and correction passes.<\/div><\/div>\n          <div class=\"hxc-faq-item\"><button aria-expanded=\"false\" class=\"hxc-faq-q\" onclick=\"hxcFaq(this)\">What materials are best for aggressive environments?<span class=\"hxc-faq-icon\">+<\/span><\/button><div class=\"hxc-faq-body\"><strong>SUS316L<\/strong>: for acidic and corrosive fluids. <strong>Duplex stainless (2205)<\/strong>: for high-chloride (seawater, brine). <strong>PEEK<\/strong>: for strong acids and solvents. <strong>Bronze C95500<\/strong>: for marine and seawater where corrosion and biofouling resistance are critical. HXC stocks and certifies all these materials with mill certificates.<\/div><\/div>\n        <\/div>\n        <div>\n          <div class=\"hxc-faq-item\"><button aria-expanded=\"false\" class=\"hxc-faq-q\" onclick=\"hxcFaq(this)\">Can open impellers be anodized after machining?<span class=\"hxc-faq-icon\">+<\/span><\/button><div class=\"hxc-faq-body\">Yes \u2014 aluminium open impellers are regularly <strong>Type II or Type III hard anodized<\/strong> after machining. For flow surfaces where Ra is critical, dimensional pre-compensation is applied (anodize grows the surface by 15\u201325 \u00b5m). For high-efficiency hydraulic applications, the flow surfaces may be left un-anodized and only the hub and external surfaces treated.<\/div><\/div>\n          <div class=\"hxc-faq-item\"><button aria-expanded=\"false\" class=\"hxc-faq-q\" onclick=\"hxcFaq(this)\">What is the blade count range?<span class=\"hxc-faq-icon\">+<\/span><\/button><div class=\"hxc-faq-body\">HXC machines open impellers with <strong>2\u201316 blades<\/strong> depending on diameter. For very low blade count (2\u20133 blades), dynamic imbalance increases \u2014 we recommend balance correction features be included in the design. Odd blade counts (3, 5, 7) are preferred for hydraulic efficiency in centrifugal pump applications.<\/div><\/div>\n          <div class=\"hxc-faq-item\"><button aria-expanded=\"false\" class=\"hxc-faq-q\" onclick=\"hxcFaq(this)\">Can you match an existing impeller from a worn sample?<span class=\"hxc-faq-icon\">+<\/span><\/button><div class=\"hxc-faq-body\">Yes \u2014 HXC can <strong>reverse-engineer an open impeller from a physical sample<\/strong> using our optical 3D scanner. The scanned point cloud is converted to a parametric STEP model, which we then optimise for machinability and quote. This service is commonly used for obsolete pump impeller replacement.<\/div><\/div>\n          <div class=\"hxc-faq-item\"><button aria-expanded=\"false\" class=\"hxc-faq-q\" onclick=\"hxcFaq(this)\">What is the lead time?<span class=\"hxc-faq-icon\">+<\/span><\/button><div class=\"hxc-faq-body\">Prototype (1\u20133 pcs, new programme): <strong>6\u20139 days<\/strong>. Small batch (10\u201350 pcs): 10\u201316 days. Production (100+ pcs): 14\u201320 days. PEEK and superalloy open impellers add 3\u20135 days.<\/div><\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/div>\n\n<script type=\"application\/ld+json\">\n{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Can you machine thin blades without deformation?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. For blades <3 mm: adaptive feed control reduces feed at high-deflection zones; lead\/lag angle optimisation directs cutting forces along the blade rather than across it; sequential blade roughing where adjacent blades provide mutual stiffness. Min thickness: 1.5 mm aluminium, 2.0 mm stainless.\"}},{\"@type\":\"Question\",\"name\":\"What tolerances can you hold on open impeller profiles?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Blade profile \u00b10.05 mm standard (CMM verified). 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PEEK and superalloy: add 3\u20135 days.\"}}]}\n<\/script>\n\n<script>\nfunction hxcFaq(btn){var body=btn.nextElementSibling;var isOpen=btn.classList.contains('open');btn.classList.toggle('open',!isOpen);btn.setAttribute('aria-expanded',String(!isOpen));body.classList.toggle('open',!isOpen);}\nvar hxcObs=new IntersectionObserver(function(entries){entries.forEach(function(e,i){if(e.isIntersecting){setTimeout(function(){e.target.classList.add('in');},i*90);}});},{threshold:.08});\ndocument.querySelectorAll('.hxc-rv').forEach(function(el){hxcObs.observe(el);});\n<\/script>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t<div class=\"elementor-element elementor-element-14d47deb e-con-full e-flex e-con e-parent\" data-id=\"14d47deb\" data-element_type=\"container\" data-e-type=\"container\" id=\"hxc-cta\">\n\t\t<div class=\"elementor-element elementor-element-1542f1af e-con-full e-flex e-con e-child\" data-id=\"1542f1af\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-27a6eb56 elementor-widget elementor-widget-html\" data-id=\"27a6eb56\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<!-- HXCNC CTA Left Panel | namespace .HXCL | Elementor HTML Widget -->\n<link rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\">\n<link rel=\"preconnect\" href=\"https:\/\/fonts.gstatic.com\" crossorigin>\n<link href=\"https:\/\/fonts.googleapis.com\/css2?family=Roboto:wght@300;400;500;700;900&family=Roboto+Condensed:wght@400;700;900&family=Roboto+Mono:wght@400;500&display=swap\" rel=\"stylesheet\">\n<style>\n.HXCL{\n  --bg:#F7F9FC;--wh:#FFFFFF;--lt:#EEF3F8;\n  --tx:#1F2937;--tx1:#5B6777;--tx2:#9CA8B4;--bd:#D7E0EA;\n  --a:#2563EB;--a2:#1D4ED8;--aA:rgba(37,99,235,.07);--aC:rgba(37,99,235,.20);\n  --ac:#0F766E;--acA:rgba(15,118,110,.08);--acB:rgba(15,118,110,.15);--acC:rgba(15,118,110,.22);\n  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Quote.<\/em>\n  <\/h2>\n\n  <p class=\"sub\">Every enquiry includes a DFM review \u2014 tolerance feasibility, material confirmation, and process approach confirmed before production starts. MOQ 1 piece.<\/p>\n\n  <!-- Stats row -->\n  <div class=\"stats\">\n    <div class=\"stat\">\n      <div class=\"sv\">24<small>hr<\/small><\/div>\n      <div class=\"sl\">Quote Response<\/div>\n    <\/div>\n    <div class=\"stat\">\n      <div class=\"sv\">MOQ <small>1<\/small><\/div>\n      <div class=\"sl\">Prototypes OK<\/div>\n    <\/div>\n    <div class=\"stat\">\n      <div class=\"sv\">ISO<\/div>\n      <div class=\"sl\">9001:2015<\/div>\n    <\/div>\n  <\/div>\n\n  <!-- Advantage list -->\n  <div class=\"avlist\">\n    <div class=\"avitem\">\n      <div class=\"ico\">&#128208;<\/div>\n      <div>\n        <div class=\"at\">DFM Review on Every Enquiry<\/div>\n        <div class=\"ad\">Tolerance feasibility, fixturing strategy, and material confirmation. 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for=\"form-field-name\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tName\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[name]\" id=\"form-field-name\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Name\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-field_12786b6 elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_12786b6\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tCompany\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[field_12786b6]\" id=\"form-field-field_12786b6\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Company Name\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-email elementor-field-group elementor-column 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geometry \u2014 thin swept blades, variable pitch, blade profile \u00b10.05 mm, trailing edge down to R0.3 mm, flow surfaces Ra 0.8 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4366,"parent":39,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1220","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v28.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>5-Axis CNC Machined Open Impellers | Blade \u00b10.05 \u00b7 TE R0.3<\/title>\n<meta name=\"description\" content=\"Custom 5-axis CNC machined open impellers with exposed blade geometry \u2014 thin swept blades, variable pitch, blade profile \u00b10.05 mm\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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