{"id":15972,"date":"2026-09-04T08:51:36","date_gmt":"2026-09-04T08:51:36","guid":{"rendered":"https:\/\/www.hndfcrane.com\/?post_type=posts&#038;p=15972"},"modified":"2026-09-04T08:51:39","modified_gmt":"2026-09-04T08:51:39","slug":"overhead-crane-reducer-noise-gear-eccentricity-analysis-and-solutions","status":"publish","type":"posts","link":"https:\/\/www.hndfcrane.com\/ar\/posts\/overhead-crane-reducer-noise-gear-eccentricity-analysis-and-solutions\/","title":{"rendered":"\u0636\u0648\u0636\u0627\u0621 \u0645\u062e\u0641\u0636 \u0633\u0631\u0639\u0629 \u0627\u0644\u0631\u0627\u0641\u0639\u0629 \u0627\u0644\u0639\u0644\u0648\u064a\u0629: \u062a\u062d\u0644\u064a\u0644 \u0644\u0627 \u0645\u0631\u0643\u0632\u064a\u0629 \u0627\u0644\u062a\u0631\u0648\u0633 \u0648\u0627\u0644\u062d\u0644\u0648\u0644"},"content":{"rendered":"<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><p>\u062c\u062f\u0648\u0644 \u0627\u0644\u0645\u062d\u062a\u0648\u064a\u0627\u062a<\/p><nav><ul><li><a href=\"#1-gear-excitation-analysis-under-eccentricity-error\">1. \u062a\u062d\u0644\u064a\u0644 \u0625\u062b\u0627\u0631\u0629 \u0627\u0644\u062a\u0631\u0648\u0633 \u0641\u064a \u0638\u0644 \u062e\u0637\u0623 \u0627\u0644\u0644\u0627\u0645\u0631\u0643\u0632\u064a\u0629<\/a><ul><li><a href=\"#1-1-gear-pair-model\">1.1 \u0646\u0645\u0648\u0630\u062c \u0632\u0648\u062c \u0627\u0644\u062a\u0631\u0648\u0633<\/a><\/li><\/ul><\/li><li><a href=\"#2-numerical-calculation-of-gear-excitation-in-overhead-crane-reducer-noise\">2. \u0627\u0644\u062d\u0633\u0627\u0628 \u0627\u0644\u0639\u062f\u062f\u064a \u0644\u0625\u062b\u0627\u0631\u0629 \u0627\u0644\u062a\u0631\u0648\u0633 \u0641\u064a \u0636\u0648\u0636\u0627\u0621 \u0645\u062e\u0641\u0636 \u0633\u0631\u0639\u0629 \u0627\u0644\u0631\u0627\u0641\u0639\u0629 \u0627\u0644\u0639\u0644\u0648\u064a\u0629<\/a><ul><li><a href=\"#2-1-vibration-differential-equation\">2.1 \u0645\u0639\u0627\u062f\u0644\u0629 \u062a\u0641\u0627\u0636\u0644\u064a\u0629 \u0644\u0644\u0627\u0647\u062a\u0632\u0627\u0632<\/a><\/li><li><a href=\"#2-2-vibration-analysis-results\">2.2 \u0646\u062a\u0627\u0626\u062c \u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0627\u0647\u062a\u0632\u0627\u0632<\/a><\/li><\/ul><\/li><li><a href=\"#3-radiated-noise-prediction-for-bogie-axle-bridge\">3. \u0627\u0644\u062a\u0646\u0628\u0624 \u0628\u0627\u0644\u0636\u0648\u0636\u0627\u0621 \u0627\u0644\u0645\u0634\u0639\u0629 \u0644\u062c\u0633\u0631 \u0645\u062d\u0648\u0631 \u0627\u0644\u0639\u0631\u0628\u0629<\/a><ul><li><a href=\"#3-1-acoustic-model\">3.1 \u0627\u0644\u0646\u0645\u0648\u0630\u062c \u0627\u0644\u0635\u0648\u062a\u064a<\/a><\/li><li><a href=\"#3-2-measures-to-reduce-abnormal-noise\">3.2 \u062a\u062f\u0627\u0628\u064a\u0631 \u0644\u0644\u062d\u062f \u0645\u0646 \u0627\u0644\u0636\u0648\u0636\u0627\u0621 \u063a\u064a\u0631 \u0627\u0644\u0637\u0628\u064a\u0639\u064a\u0629<\/a><\/li><\/ul><\/li><li><a href=\"#4-conclusion\">4. \u0627\u0644\u062e\u0627\u062a\u0645\u0629<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<p>\u0642\u062f \u064a\u062d\u062f\u062b \u0636\u062c\u064a\u062c \u0645\u0646 \u0645\u062e\u0641\u0636 \u0633\u0631\u0639\u0629 \u0627\u0644\u0631\u0627\u0641\u0639\u0629 \u0627\u0644\u0639\u0644\u0648\u064a\u0629 \u0623\u062b\u0646\u0627\u0621 \u0639\u0645\u0644\u064a\u0627\u062a \u0627\u0644\u0631\u0641\u0639 \u0648\u0645\u0646\u0627\u0648\u0644\u0629 \u0627\u0644\u0645\u0648\u0627\u062f \u0641\u064a \u0648\u0631\u0634 \u0627\u0644\u0639\u0645\u0644\u060c \u0645\u0645\u0627 \u064a\u0624\u062b\u0631 \u0639\u0644\u0649 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0637\u0628\u064a\u0639\u064a \u0644\u0644\u0631\u0627\u0641\u0639\u0629. \u062a\u062d\u0644\u0644 \u0647\u0630\u0647 \u0627\u0644\u0645\u0642\u0627\u0644\u0629 \u0627\u0644\u0636\u062c\u064a\u062c \u063a\u064a\u0631 \u0627\u0644\u0637\u0628\u064a\u0639\u064a \u0645\u0646 \u0645\u0646\u0638\u0648\u0631 \u062e\u0637\u0623 \u0627\u0644\u0644\u0627\u0645\u0631\u0643\u0632\u064a\u0629 \u0641\u064a \u0632\u0648\u062c \u0627\u0644\u062a\u0631\u0648\u0633. \u0648\u0627\u0633\u062a\u0646\u0627\u062f\u064b\u0627 \u0625\u0644\u0649 \u0646\u062a\u0627\u0626\u062c \u062d\u0633\u0627\u0628\u0627\u062a \u0627\u0644\u0636\u062c\u064a\u062c \u0627\u0644\u0647\u064a\u0643\u0644\u064a \u0645\u0646 \u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0645\u062d\u0627\u0643\u0627\u0629\u060c \u062a\u0642\u062f\u0645 \u0627\u0644\u0645\u0642\u0627\u0644\u0629 \u0623\u064a\u0636\u064b\u0627 \u062d\u0644\u0648\u0644\u064b\u0627 \u0645\u0646\u0627\u0633\u0628\u0629 \u0643\u0645\u0631\u062c\u0639 \u0644\u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u0623\u062f\u0627\u0621. <a href=\"https:\/\/www.hndfcrane.com\/ar\/overhead-cranes\/\">\u0631\u0627\u0641\u0639\u0629 \u0639\u0644\u0648\u064a\u0629<\/a> \u0627\u0644\u0623\u062f\u0627\u0621 \u0627\u0644\u062a\u0634\u063a\u064a\u0644\u064a.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1536\" height=\"1024\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/Overhead-Crane-Reducer-Noise.png\" alt=\"\" class=\"wp-image-15994\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"1-gear-excitation-analysis-under-eccentricity-error\">1. \u062a\u062d\u0644\u064a\u0644 \u0625\u062b\u0627\u0631\u0629 \u0627\u0644\u062a\u0631\u0648\u0633 \u0641\u064a \u0638\u0644 \u062e\u0637\u0623 \u0627\u0644\u0644\u0627\u0645\u0631\u0643\u0632\u064a\u0629<\/h2>\n\n\n\n<p>\u0627\u0644\u0631\u0627\u0641\u0639\u0629 \u0627\u0644\u0639\u0644\u0648\u064a\u0629 \u0627\u0644\u062a\u064a \u062a\u0645 \u062a\u062d\u0644\u064a\u0644\u0647\u0627 \u0641\u064a \u0647\u0630\u0647 \u0627\u0644\u0645\u0642\u0627\u0644\u0629 \u0647\u064a \u0645\u0646 \u0637\u0631\u0627\u0632 LD10 t-28.5 m\u060c \u0648\u0645\u062c\u0647\u0632\u0629 \u0628\u0645\u062d\u0631\u0643 \u063a\u064a\u0631 \u0645\u062a\u0632\u0627\u0645\u0646 \u062b\u0644\u0627\u062b\u064a \u0627\u0644\u0623\u0637\u0648\u0627\u0631 \u0628\u0642\u062f\u0631\u0629 13 \u0643\u064a\u0644\u0648\u0648\u0627\u0637. \u064a\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0645\u062e\u0641\u0636 \u0646\u0627\u0642\u0644 \u062d\u0631\u0643\u0629 \u062d\u0644\u0632\u0648\u0646\u064a \u0631\u0628\u0627\u0639\u064a \u0627\u0644\u0645\u0631\u0627\u062d\u0644 \u0630\u0648 \u0639\u0645\u0648\u062f\u064a\u0646 \u0645\u062a\u0648\u0627\u0632\u064a\u064a\u0646. \u0639\u0646\u062f \u0623\u062e\u0630 \u062e\u0637\u0623 \u0627\u0644\u0644\u0627\u0645\u0631\u0643\u0632\u064a\u0629 \u0641\u064a \u0627\u0644\u0627\u0639\u062a\u0628\u0627\u0631\u060c \u064a\u0628\u062f\u0623 \u0627\u0644\u062a\u062d\u0644\u064a\u0644 \u0623\u0648\u0644\u0627\u064b \u0645\u0646 \u0632\u0648\u062c \u062a\u0631\u0648\u0633 \u0648\u0627\u062d\u062f \u0648\u0637\u0648\u0644 \u062e\u0637 \u062a\u0639\u0634\u064a\u0642\u0647.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"1-1-gear-pair-model\">1.1 \u0646\u0645\u0648\u0630\u062c \u0632\u0648\u062c \u0627\u0644\u062a\u0631\u0648\u0633<\/h3>\n\n\n\n<p>\u0639\u0646\u062f \u0623\u062e\u0630 \u0644\u0627 \u0645\u0631\u0643\u0632\u064a\u0629 \u0627\u0644\u062a\u0631\u0648\u0633 \u0641\u064a \u0627\u0644\u0627\u0639\u062a\u0628\u0627\u0631\u060c \u062a\u064f\u0633\u062a\u062e\u062f\u0645 \u0644\u0627 \u0645\u0631\u0643\u0632\u064a\u0629 \u0643\u0644 \u0645\u0646 \u0627\u0644\u062a\u0631\u0648\u0633 \u0627\u0644\u0642\u0627\u0626\u062f\u0629 \u0648\u0627\u0644\u0645\u0642\u0627\u062f\u0629 \u0643\u0646\u0642\u0637\u0629 \u0628\u062f\u0627\u064a\u0629. \u0648\u0628\u0646\u0627\u0621\u064b \u0639\u0644\u0649 \u0639\u062f\u062f \u0623\u0633\u0646\u0627\u0646 \u0627\u0644\u062a\u0631\u0648\u0633 \u0627\u0644\u0645\u0639\u0631\u0648\u0641\u0629 \u0648\u0633\u0631\u0639\u0629 \u0627\u0644\u062a\u0631\u0633 \u0627\u0644\u0642\u0627\u0626\u062f\u060c \u064a\u0645\u0643\u0646 \u0627\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u0649 \u0645\u0646\u062d\u0646\u0649 \u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u062a\u0631\u062f\u062f \u0627\u0644\u0632\u0645\u0646\u064a \u0644\u0633\u0631\u0639\u0629 \u0627\u0644\u062a\u0631\u0633 \u0627\u0644\u0645\u0642\u0627\u062f \u0648\u0645\u0642\u0627\u0631\u0646\u062a\u0647 \u0628\u0627\u0644\u0646\u062a\u064a\u062c\u0629 \u0641\u064a \u062d\u0627\u0644\u0629 \u0627\u0641\u062a\u0631\u0627\u0636 \u0639\u062f\u0645 \u0648\u062c\u0648\u062f \u0644\u0627 \u0645\u0631\u0643\u0632\u064a\u0629. \u064a\u0648\u0636\u062d \u0627\u0644\u0634\u0643\u0644 1 \u0646\u0645\u0648\u0630\u062c \u0632\u0648\u062c \u0627\u0644\u062a\u0631\u0648\u0633 \u0627\u0644\u0644\u0627\u0645\u0631\u0643\u0632\u064a.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1385\" height=\"1136\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/Eccentric-gear-pair-model.png\" alt=\"\" class=\"wp-image-15991\"\/><figcaption class=\"wp-element-caption\">\u0627\u0644\u0634\u0643\u0644 1 \u0646\u0645\u0648\u0630\u062c \u0632\u0648\u062c \u0627\u0644\u062a\u0631\u0648\u0633 \u0627\u0644\u0644\u0627\u0645\u0631\u0643\u0632\u064a<\/figcaption><\/figure>\n\n\n\n<p><code>O1<\/code> \u0648 <code>\u0627\u0644\u0623\u0643\u0633\u062c\u064a\u0646<\/code> \u062a\u0645\u062b\u0644 \u0647\u0630\u0647 \u0627\u0644\u0645\u0631\u0627\u0643\u0632 \u0627\u0644\u0647\u0646\u062f\u0633\u064a\u0629 \u0644\u0632\u0648\u062c \u0627\u0644\u062a\u0631\u0648\u0633 \u0628\u0627\u0641\u062a\u0631\u0627\u0636 \u0639\u062f\u0645 \u0648\u062c\u0648\u062f \u0627\u0646\u062d\u0631\u0627\u0641 \u0645\u0631\u0643\u0632\u064a. \u0628\u0639\u062f \u0627\u0644\u0627\u0646\u062d\u0631\u0627\u0641\u0627\u062a \u0627\u0644\u0645\u0631\u0643\u0632\u064a\u0629 <code>E1<\/code> \u0648 <code>E2<\/code> \u0639\u0646\u062f \u062d\u062f\u0648\u062b \u0630\u0644\u0643\u060c \u062a\u0635\u0628\u062d \u0627\u0644\u0645\u0631\u0627\u0643\u0632 \u0627\u0644\u0647\u0646\u062f\u0633\u064a\u0629 \u0644\u0644\u062a\u0631\u0648\u0633 <code>O11<\/code> \u0648 <code>O22<\/code>\u064a\u0645\u0643\u0646 \u0645\u0644\u0627\u062d\u0638\u0629 \u0623\u0646\u0647 \u0628\u063a\u0636 \u0627\u0644\u0646\u0638\u0631 \u0639\u0646 \u0642\u064a\u0645\u0629 \u0627\u0644\u0644\u0627\u0645\u0631\u0643\u0632\u064a\u0629\u060c \u0641\u0625\u0646 \u062e\u0637 \u0627\u0644\u062a\u0639\u0634\u064a\u0642 \u0627\u0644\u0645\u062a\u0643\u0648\u0646 \u0645\u0646 \u062a\u0648\u0635\u064a\u0644 \u0646\u0642\u0627\u0637 \u0627\u0644\u062a\u0645\u0627\u0633 <code>T1(xT1, yT1)<\/code> \u0648 <code>T2(xT2, yT2)<\/code> \u062f\u0627\u0626\u0645\u0627\u064b \u0645\u0627 \u064a\u0643\u0648\u0646 \u0644\u0647\u0627 \u0646\u0642\u0637\u0629 \u062a\u0642\u0627\u0637\u0639 \u062f\u064a\u0646\u0627\u0645\u064a\u0643\u064a\u0629 <code>M(xM, yM)<\/code> \u0645\u0639 \u0627\u0644\u062e\u0637 \u0627\u0644\u0630\u064a \u064a\u0631\u0628\u0637 \u0627\u0644\u0645\u0631\u0627\u0643\u0632 \u0627\u0644\u0647\u0646\u062f\u0633\u064a\u0629 \u0644\u0644\u062a\u0631\u0648\u0633.<\/p>\n\n\n\n<p>\u0645\u0639 \u0627\u0644\u0623\u062e\u0630 \u0641\u064a \u0627\u0644\u0627\u0639\u062a\u0628\u0627\u0631 \u0627\u0644\u0625\u0632\u0627\u062d\u0629\u060c \u0641\u0625\u0646 \u062e\u0637 \u062a\u0639\u0634\u064a\u0642 \u0632\u0648\u062c \u0627\u0644\u062a\u0631\u0648\u0633 \u0644\u0647 \u062e\u0635\u0627\u0626\u0635 \u0645\u062a\u063a\u064a\u0631\u0629 \u0645\u0639 \u0627\u0644\u0632\u0645\u0646. \u0648\u064a\u0645\u0643\u0646 \u0627\u0644\u062a\u0639\u0628\u064a\u0631 \u0639\u0646 \u0645\u0639\u0627\u062f\u0644\u062a\u0647 \u0639\u0644\u0649 \u0627\u0644\u0646\u062d\u0648 \u0627\u0644\u062a\u0627\u0644\u064a:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1005\" height=\"192\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/Gear-Pair-Meshing-Line-Equation-watermarked.png\" alt=\"\" class=\"wp-image-16002\"\/><\/figure>\n\n\n\n<p>\u0639\u0646\u062f\u0645\u0627 \u064a\u062a\u0645 \u0648\u0636\u0639 \u0646\u0642\u0637\u0629 \u0627\u0644\u0623\u0635\u0644 \u0627\u0644\u0625\u062d\u062f\u0627\u062b\u064a \u0639\u0646\u062f \u0627\u0644\u0646\u0642\u0637\u0629 <code>O11<\/code>\u060c \u0627\u0644\u0625\u062d\u062f\u0627\u062b\u064a \u0627\u0644\u0639\u0631\u0636\u064a \u0627\u0644\u062f\u064a\u0646\u0627\u0645\u064a\u0643\u064a \u0644\u0644\u0646\u0642\u0637\u0629 <code>\u0645<\/code> \u064a\u0645\u0643\u0646 \u0627\u0644\u062a\u0639\u0628\u064a\u0631 \u0639\u0646\u0647\u0627 \u0639\u0644\u0649 \u0627\u0644\u0646\u062d\u0648 \u0627\u0644\u062a\u0627\u0644\u064a:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"977\" height=\"198\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/Dynamic-Intersection-Point-Coordinate-Equation-watermarked.png\" alt=\"\" class=\"wp-image-16003\"\/><\/figure>\n\n\n\n<p>\u0646\u0633\u0628\u0629 \u0627\u0644\u0646\u0642\u0644 \u0627\u0644\u0644\u062d\u0638\u064a\u0629 \u0644\u0632\u0648\u062c \u0627\u0644\u062a\u0631\u0648\u0633 \u0647\u064a:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"924\" height=\"204\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/Instantaneous-Gear-Transmission-Ratio-Equation-watermarked.png\" alt=\"\" class=\"wp-image-16004\"\/><\/figure>\n\n\n\n<p>\u0641\u064a \u0627\u0644\u062d\u0633\u0627\u0628 \u0627\u0644\u0641\u0639\u0644\u064a\u060c \u0646\u0642\u0637\u0629 \u0627\u0644\u062a\u0642\u0627\u0637\u0639 \u0627\u0644\u062f\u064a\u0646\u0627\u0645\u064a\u0643\u064a\u0629 <code>\u0645<\/code> \u062a\u0631\u062a\u0628\u0637 \u0647\u0630\u0647 \u0627\u0644\u0639\u0644\u0627\u0642\u0629 \u0628\u062e\u0637 \u0627\u0644\u062a\u0639\u0634\u064a\u0642\u060c \u0648\u0627\u0644\u0632\u0627\u0648\u064a\u0629 \u0628\u064a\u0646 \u0627\u062a\u062c\u0627\u0647 \u0627\u0644\u062d\u0631\u0643\u0629\u060c \u0648\u0633\u0631\u0639\u0629 \u062e\u0637 \u0627\u0644\u062a\u0639\u0634\u064a\u0642 \u0627\u0644\u0644\u062d\u0638\u064a\u0629 \u0644\u0644\u062a\u0631\u0633. \u0628\u0639\u062f \u062a\u062d\u062f\u064a\u062f \u0646\u0637\u0627\u0642 \u0627\u0644\u0644\u0627\u0645\u0631\u0643\u0632\u064a\u0629 \u0648\u0627\u0644\u0633\u0631\u0639\u0629 \u0627\u0644\u0632\u0627\u0648\u064a\u0629 \u0627\u0644\u0645\u062f\u062e\u0644\u0629\u060c \u064a\u0645\u0643\u0646 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0645\u0646 (1) \u0625\u0644\u0649 (3) \u0644\u062d\u0633\u0627\u0628 \u0627\u0644\u0633\u0631\u0639\u0629 \u0627\u0644\u0632\u0627\u0648\u064a\u0629 \u0644\u0644\u062a\u0631\u0633 \u0627\u0644\u0645\u064f\u062f\u0627\u0631\u060c \u0648\u0645\u0646 \u062b\u0645 \u062d\u0633\u0627\u0628 \u0627\u0644\u0625\u062b\u0627\u0631\u0629 \u0627\u0644\u062f\u064a\u0646\u0627\u0645\u064a\u0643\u064a\u0629 \u0644\u0632\u0648\u062c \u0627\u0644\u062a\u0631\u0648\u0633 \u0641\u064a \u0638\u0644 \u062e\u0637\u0623 \u0627\u0644\u0644\u0627\u0645\u0631\u0643\u0632\u064a\u0629.<\/p>\n\n\n\n<p>\u0641\u064a \u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0627\u0644\u0641\u0639\u0644\u064a\u060c \u0627\u0644\u063a\u0631\u0627\u0628\u0629 <code>E1<\/code> \u0648 <code>E2<\/code> \u064a\u0645\u0643\u0646 \u0627\u0639\u062a\u0628\u0627\u0631\u0647\u0627 \u0645\u062a\u0637\u0627\u0628\u0642\u0629 \u062a\u0642\u0631\u064a\u0628\u064b\u0627. \u0645\u0639 \u0627\u0646\u062d\u0631\u0627\u0641 \u0645\u0631\u0643\u0632\u064a \u0644\u0632\u0648\u062c \u0627\u0644\u062a\u0631\u0648\u0633 \u0627\u0644\u062d\u0644\u0632\u0648\u0646\u064a\u0629 \u064a\u0628\u0644\u063a 20 \u0645\u064a\u0643\u0631\u0648\u0645\u062a\u0631 \u0636\u0645\u0646 \u062f\u0631\u062c\u0629 \u0627\u0644\u062f\u0642\u0629 \u0627\u0644\u0645\u0639\u0631\u0648\u0641\u0629\u060c \u064a\u0638\u0647\u0631 \u0645\u0646\u062d\u0646\u0649 \u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u062a\u0631\u062f\u062f \u0627\u0644\u0632\u0645\u0646\u064a \u0627\u0644\u0645\u062d\u0633\u0648\u0628 \u0644\u0644\u062a\u0631\u0633 \u0627\u0644\u0645\u064f\u062f\u0627\u0631 \u0641\u064a \u0627\u0644\u0634\u0643\u0644 2.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1033\" height=\"1523\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/Time-frequency-curve-of-driven-gear-angular-velocity.png\" alt=\"\" class=\"wp-image-15989\"\/><figcaption class=\"wp-element-caption\">\u0627\u0644\u0634\u0643\u0644 2: \u0645\u0646\u062d\u0646\u0649 \u0627\u0644\u062a\u0631\u062f\u062f \u0627\u0644\u0632\u0645\u0646\u064a \u0644\u0644\u0633\u0631\u0639\u0629 \u0627\u0644\u0632\u0627\u0648\u064a\u0629 \u0644\u0644\u062a\u0631\u0633 \u0627\u0644\u0645\u064f\u062f\u0627\u0631: (\u0623) \u0627\u0644\u0633\u0631\u0639\u0629 \u0627\u0644\u0632\u0627\u0648\u064a\u0629 \u0641\u064a \u0627\u0644\u0645\u062c\u0627\u0644 \u0627\u0644\u0632\u0645\u0646\u064a\u061b (\u0628) \u0627\u0644\u0633\u0631\u0639\u0629 \u0627\u0644\u0632\u0627\u0648\u064a\u0629 \u0641\u064a \u0645\u062c\u0627\u0644 \u0627\u0644\u062a\u0631\u062f\u062f<\/figcaption><\/figure>\n\n\n\n<p>\u0639\u0646\u062f \u0627\u0641\u062a\u0631\u0627\u0636 \u0639\u062f\u0645 \u0648\u062c\u0648\u062f \u062e\u0637\u0623 \u0641\u064a \u0627\u0644\u0644\u0627\u0645\u0631\u0643\u0632\u064a\u0629\u060c \u064a\u064f\u0645\u062b\u064e\u0651\u0644 \u0645\u0639\u062f\u0644 \u0627\u0644\u062f\u0648\u0631\u0627\u0646 \u0627\u0644\u0632\u0627\u0648\u064a \u0644\u0644\u062a\u0631\u0633 \u0627\u0644\u0645\u064f\u062f\u0627\u0631 \u0628\u0627\u0644\u062e\u0637 \u0627\u0644\u0648\u0631\u062f\u064a \u0627\u0644\u0645\u0633\u062a\u0642\u064a\u0645 \u0641\u064a \u0627\u0644\u0634\u0643\u0644 2\u0623. \u0623\u0645\u0627 \u0639\u0646\u062f \u0648\u062c\u0648\u062f \u062e\u0637\u0623 \u0641\u064a \u0627\u0644\u0644\u0627\u0645\u0631\u0643\u0632\u064a\u0629\u060c \u0641\u064a\u064f\u0638\u0647\u0631 \u0645\u0639\u062f\u0644 \u0627\u0644\u062f\u0648\u0631\u0627\u0646 \u0627\u0644\u0632\u0627\u0648\u064a \u0644\u0644\u062a\u0631\u0633 \u0627\u0644\u0645\u064f\u062f\u0627\u0631 \u062a\u0630\u0628\u0630\u0628\u064b\u0627 \u0648\u0627\u0636\u062d\u064b\u0627 \u0648\u0645\u0646\u062a\u0638\u0645\u064b\u0627\u060c \u064a\u062a\u0631\u0643\u0632 \u0641\u064a \u0646\u0637\u0627\u0642 40.5-41.5 \u0631\u0627\u062f\u064a\u0627\u0646\/\u062b\u0627\u0646\u064a\u0629. \u062a\u064f\u0638\u0647\u0631 \u0646\u062a\u0627\u0626\u062c \u0645\u062c\u0627\u0644 \u0627\u0644\u062a\u0631\u062f\u062f \u0628\u0639\u062f \u062a\u062d\u0648\u064a\u0644 \u0641\u0648\u0631\u064a\u064a\u0647 \u062a\u0631\u062f\u062f \u062f\u0648\u0631\u0627\u0646 \u0639\u0645\u0648\u062f \u0627\u0644\u0625\u062f\u062e\u0627\u0644 25 \u0647\u0631\u062a\u0632\u060c \u0648\u062a\u0631\u062f\u062f \u062f\u0648\u0631\u0627\u0646 \u062e\u0631\u062c \u0627\u0644\u062a\u0631\u0633 \u0627\u0644\u0645\u064f\u062f\u0627\u0631 6.5 \u0647\u0631\u062a\u0632. \u064a\u0634\u064a\u0631 \u0647\u0630\u0627 \u0625\u0644\u0649 \u0623\u0646 \u062a\u0630\u0628\u0630\u0628 \u0627\u0644\u0644\u0627\u0645\u0631\u0643\u0632\u064a\u0629 \u0644\u0632\u0648\u062c \u062a\u0631\u0648\u0633 \u0645\u0631\u062d\u0644\u0629 \u0627\u0644\u0625\u062f\u062e\u0627\u0644 \u0642\u062f \u064a\u0633\u062a\u0645\u0631 \u0641\u064a \u0627\u0644\u0627\u0646\u062a\u0642\u0627\u0644 \u0639\u0628\u0631 \u0646\u0638\u0627\u0645 \u0627\u0644\u062a\u0631\u0648\u0633 \u0648\u064a\u0634\u0639 \u0625\u0644\u0649 \u062e\u0627\u0631\u062c \u0639\u0644\u0628\u0629 \u0627\u0644\u062a\u0631\u0648\u0633.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"2-numerical-calculation-of-gear-excitation-in-overhead-crane-reducer-noise\">2. \u0627\u0644\u062d\u0633\u0627\u0628 \u0627\u0644\u0639\u062f\u062f\u064a \u0644\u0625\u062b\u0627\u0631\u0629 \u0627\u0644\u062a\u0631\u0648\u0633 \u0641\u064a \u0636\u0648\u0636\u0627\u0621 \u0645\u062e\u0641\u0636 \u0633\u0631\u0639\u0629 \u0627\u0644\u0631\u0627\u0641\u0639\u0629 \u0627\u0644\u0639\u0644\u0648\u064a\u0629<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"2-1-vibration-differential-equation\">2.1 \u0645\u0639\u0627\u062f\u0644\u0629 \u062a\u0641\u0627\u0636\u0644\u064a\u0629 \u0644\u0644\u0627\u0647\u062a\u0632\u0627\u0632<\/h3>\n\n\n\n<p>\u062a\u064f\u0639\u062f\u0651 \u0645\u0639\u0627\u062f\u0644\u0629 \u0627\u0644\u0627\u0647\u062a\u0632\u0627\u0632 \u0627\u0644\u062a\u0641\u0627\u0636\u0644\u064a\u0629 \u0644\u0646\u0638\u0627\u0645 \u0627\u0644\u062a\u0631\u0648\u0633 \u0641\u064a \u0645\u064f\u062e\u0641\u0650\u0651\u0636 \u0633\u0631\u0639\u0629 \u0627\u0644\u0631\u0627\u0641\u0639\u0629 \u0627\u0644\u0639\u0644\u0648\u064a\u0629 \u0623\u0633\u0627\u0633\u064b\u0627 \u0647\u0627\u0645\u064b\u0627 \u0644\u062f\u0631\u0627\u0633\u0629 \u062e\u0635\u0627\u0626\u0635\u0647 \u0627\u0644\u062f\u064a\u0646\u0627\u0645\u064a\u0643\u064a\u0629. \u0648\u0645\u0646 \u062e\u0644\u0627\u0644 \u062a\u0642\u0644\u064a\u0644 \u0631\u062a\u0628\u0629 \u0627\u0644\u0645\u0639\u0627\u062f\u0644\u0629 \u0648\u062d\u0633\u0627\u0628 \u0642\u0648\u0629 \u0627\u0644\u062a\u0639\u0634\u064a\u0642 \u0627\u0644\u062f\u064a\u0646\u0627\u0645\u064a\u0643\u064a\u0629 \u0644\u0644\u062a\u0631\u0633\u060c \u064a\u064f\u0645\u0643\u0646 \u0645\u062d\u0627\u0643\u0627\u0629 \u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0627\u0647\u062a\u0632\u0627\u0632\u060c \u0645\u062b\u0644 \u0634\u062f\u0629 \u0627\u0644\u0627\u0647\u062a\u0632\u0627\u0632 \u0648\u0627\u0644\u0636\u0648\u0636\u0627\u0621 \u0627\u0644\u0647\u064a\u0643\u0644\u064a\u0629\u060c \u0639\u062f\u062f\u064a\u064b\u0627. \u0645\u0639\u0627\u062f\u0644\u0629 \u0627\u0644\u0627\u0647\u062a\u0632\u0627\u0632 \u0627\u0644\u062a\u0641\u0627\u0636\u0644\u064a\u0629 \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629 \u0645\u0646 \u0627\u0644\u0631\u062a\u0628\u0629 \u0627\u0644\u062b\u0627\u0646\u064a\u0629 \u0647\u064a:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"965\" height=\"135\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/Gear-System-Vibration-Differential-Equation-watermarked.png\" alt=\"\" class=\"wp-image-16005\"\/><\/figure>\n\n\n\n<p>\u0645\u0639\u0627\u062f\u0644\u0629 \u0627\u0644\u0632\u0645\u0646 \u0644\u0644\u0625\u062d\u062f\u0627\u062b\u064a\u0627\u062a \u0627\u0644\u062f\u064a\u0646\u0627\u0645\u064a\u0643\u064a\u0629 <code>\u0645<\/code> \u064a\u062a\u0645 \u0627\u0633\u062a\u0628\u062f\u0627\u0644\u0647\u0627 \u0628\u0640 <code>\u03b8<\/code>\u0648\u064a\u064f\u0633\u062a\u062e\u062f\u0645 \u0645\u0628\u062f\u0623 \u0631\u0648\u0646\u062c-\u0643\u0648\u062a\u0627 \u0644\u062a\u0642\u0644\u064a\u0644 \u0627\u0644\u0631\u062a\u0628\u0629 \u0644\u062d\u0633\u0627\u0628 \u0642\u0648\u0629 \u0627\u0644\u062a\u0639\u0634\u064a\u0642 \u0627\u0644\u062f\u064a\u0646\u0627\u0645\u064a\u0643\u064a\u0629 \u0644\u0632\u0648\u062c \u0627\u0644\u062a\u0631\u0648\u0633 \u0639\u0627\u0644\u064a \u0627\u0644\u0633\u0631\u0639\u0629. \u064a\u0648\u0636\u062d \u0627\u0644\u0634\u0643\u0644 3 \u0646\u062a\u0627\u0626\u062c \u062d\u0633\u0627\u0628 \u0642\u0648\u0629 \u0627\u0644\u062a\u0639\u0634\u064a\u0642 \u0644\u0645\u0631\u062d\u0644\u0629 \u0627\u0644\u0625\u062f\u062e\u0627\u0644 \u0648\u0645\u0631\u062d\u0644\u0629 \u0627\u0644\u0625\u062e\u0631\u0627\u062c \u0627\u0644\u0646\u0647\u0627\u0626\u064a\u0629.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1022\" height=\"1538\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/Frequency-domain-of-dynamic-meshing-force.png\" alt=\"\" class=\"wp-image-15978\" srcset=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/Frequency-domain-of-dynamic-meshing-force.png 1022w, https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/Frequency-domain-of-dynamic-meshing-force-1021x1536.png 1021w\" sizes=\"(max-width: 1022px) 100vw, 1022px\" \/><figcaption class=\"wp-element-caption\">\u0627\u0644\u0634\u0643\u0644 3: \u0646\u0637\u0627\u0642 \u0627\u0644\u062a\u0631\u062f\u062f \u0644\u0642\u0648\u0629 \u0627\u0644\u062a\u0639\u0634\u064a\u0642 \u0627\u0644\u062f\u064a\u0646\u0627\u0645\u064a\u0643\u064a\u0629: (\u0623) \u0645\u0631\u062d\u0644\u0629 \u0627\u0644\u0625\u062f\u062e\u0627\u0644\u061b (\u0628) \u0645\u0631\u062d\u0644\u0629 \u0627\u0644\u0625\u062e\u0631\u0627\u062c<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"2-2-vibration-analysis-results\">2.2 \u0646\u062a\u0627\u0626\u062c \u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0627\u0647\u062a\u0632\u0627\u0632<\/h3>\n\n\n\n<p>\u064a\u0648\u0636\u062d \u0627\u0644\u0634\u0643\u0644 4 \u0628\u0646\u064a\u0629 \u0627\u0644\u0645\u062e\u0641\u0636. \u062a\u0645 \u0627\u062e\u062a\u064a\u0627\u0631 \u0645\u0648\u0627\u0636\u0639 \u0645\u0642\u0639\u062f \u0627\u0644\u0645\u062d\u0645\u0644 \u0639\u0646\u062f \u0637\u0631\u0641\u064a \u0627\u0644\u0625\u062f\u062e\u0627\u0644 \u0648\u0627\u0644\u0625\u062e\u0631\u0627\u062c \u0644\u0625\u062c\u0631\u0627\u0621 \u0627\u0644\u062d\u0633\u0627\u0628\u060c \u0648\u062a\u0645 \u0627\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u0649 \u0645\u0646\u062d\u0646\u064a\u0627\u062a \u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0627\u0647\u062a\u0632\u0627\u0632 \u0641\u064a \u0645\u062c\u0627\u0644 \u0627\u0644\u062a\u0631\u062f\u062f \u0639\u0646\u062f \u062e\u0637\u0623 \u0627\u0646\u062d\u0631\u0627\u0641 \u0645\u0631\u0643\u0632\u064a \u0642\u062f\u0631\u0647 20 \u0645\u064a\u0643\u0631\u0648\u0645\u062a\u0631.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"600\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/Structure-of-an-overhead-crane-reducer.jpg\" alt=\"\" class=\"wp-image-15976\"\/><figcaption class=\"wp-element-caption\">\u0627\u0644\u0634\u0643\u0644 4: \u0628\u0646\u064a\u0629 \u0645\u062e\u0641\u0636 \u0633\u0631\u0639\u0629 \u0627\u0644\u0631\u0627\u0641\u0639\u0629 \u0627\u0644\u0639\u0644\u0648\u064a\u0629<\/figcaption><\/figure>\n\n\n\n<p>\u0643\u0645\u0627 \u0647\u0648 \u0645\u0648\u0636\u062d \u0641\u064a \u0627\u0644\u0634\u0643\u0644 5\u060c \u0628\u0639\u062f \u0627\u0644\u0623\u062e\u0630 \u0641\u064a \u0627\u0644\u0627\u0639\u062a\u0628\u0627\u0631 \u062e\u0637\u0623 \u0627\u0644\u0644\u0627\u0645\u0631\u0643\u0632\u064a\u0629\u060c \u064a\u0624\u062b\u0631 \u062a\u0631\u062f\u062f \u062f\u0648\u0631\u0627\u0646 \u0639\u0645\u0648\u062f \u0627\u0644\u0625\u062f\u062e\u0627\u0644 \u0627\u0644\u0628\u0627\u0644\u063a 25 \u0647\u0631\u062a\u0632 \u0639\u0644\u0649 \u0623\u0632\u0648\u0627\u062c \u0627\u0644\u062a\u0631\u0648\u0633 \u0627\u0644\u0623\u062e\u0631\u0649 \u0641\u064a \u0645\u0631\u0627\u062d\u0644 \u0645\u062e\u062a\u0644\u0641\u0629\u060c \u0648\u062e\u0627\u0635\u0629 \u0641\u064a \u0645\u0646\u062d\u0646\u0649 \u0627\u0644\u0625\u0632\u0627\u062d\u0629. \u0648\u064a\u0645\u0643\u0646 \u0644\u062d\u0633\u0627\u0628 \u0627\u0644\u0636\u0648\u0636\u0627\u0621 \u0628\u0646\u0627\u0621\u064b \u0639\u0644\u0649 \u0646\u062a\u0627\u0626\u062c \u0627\u0644\u0627\u0647\u062a\u0632\u0627\u0632 \u0623\u0646 \u064a\u064f\u0638\u0647\u0631 \u062a\u0623\u062b\u064a\u0631 \u062e\u0637\u0623 \u0627\u0644\u0644\u0627\u0645\u0631\u0643\u0632\u064a\u0629 \u0639\u0644\u0649 \u0627\u0644\u0636\u0648\u0636\u0627\u0621 \u063a\u064a\u0631 \u0627\u0644\u0637\u0628\u064a\u0639\u064a\u0629 \u0644\u0644\u0645\u062e\u0641\u0636.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1006\" height=\"1564\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/Vibration-response-analysis-results.png\" alt=\"\" class=\"wp-image-15979\" srcset=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/Vibration-response-analysis-results.png 1006w, https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/Vibration-response-analysis-results-988x1536.png 988w\" sizes=\"(max-width: 1006px) 100vw, 1006px\" \/><figcaption class=\"wp-element-caption\">\u0627\u0644\u0634\u0643\u0644 5: \u0646\u062a\u0627\u0626\u062c \u062a\u062d\u0644\u064a\u0644 \u0627\u0633\u062a\u062c\u0627\u0628\u0629 \u0627\u0644\u0627\u0647\u062a\u0632\u0627\u0632: (\u0623) \u0627\u0644\u062a\u0633\u0627\u0631\u0639\u061b (\u0628) \u0625\u0632\u0627\u062d\u0629 \u0627\u0644\u0627\u0647\u062a\u0632\u0627\u0632<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"3-radiated-noise-prediction-for-bogie-axle-bridge\">3. \u0627\u0644\u062a\u0646\u0628\u0624 \u0628\u0627\u0644\u0636\u0648\u0636\u0627\u0621 \u0627\u0644\u0645\u0634\u0639\u0629 \u0644\u062c\u0633\u0631 \u0645\u062d\u0648\u0631 \u0627\u0644\u0639\u0631\u0628\u0629<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"3-1-acoustic-model\">3.1 \u0627\u0644\u0646\u0645\u0648\u0630\u062c \u0627\u0644\u0635\u0648\u062a\u064a<\/h3>\n\n\n\n<p>\u0628\u062d\u0633\u0628 \u0627\u0644\u0645\u0631\u0627\u062c\u0639 \u0627\u0644\u0645\u0630\u0643\u0648\u0631\u0629\u060c \u064a\u0646\u062a\u0645\u064a \u0639\u0644\u0645 \u0627\u0644\u0635\u0648\u062a\u064a\u0627\u062a \u0625\u0644\u0649 \u0645\u062c\u0627\u0644 \u0623\u0628\u062d\u0627\u062b \u0627\u0644\u0645\u0648\u0627\u0626\u0639. \u0644\u0630\u0627\u060c \u064a\u0645\u0643\u0646 \u062f\u0631\u0627\u0633\u0629 \u0645\u0639\u0627\u062f\u0644\u0629 \u0627\u0644\u0645\u0648\u062c\u0629 \u0627\u0644\u0635\u0648\u062a\u064a\u0629 \u0627\u0646\u0637\u0644\u0627\u0642\u0627\u064b \u0645\u0646 \u0645\u0639\u0627\u062f\u0644\u0629 \u0627\u0633\u062a\u0645\u0631\u0627\u0631\u064a\u0629 \u0627\u0644\u0645\u0627\u0626\u0639. \u0648\u064a\u0645\u0643\u0646 \u0627\u0644\u062a\u0639\u0628\u064a\u0631 \u0639\u0646\u0647\u0627 \u0628\u062f\u0644\u0627\u0644\u0629 \u062d\u0627\u0644\u0629 \u0627\u0644\u0648\u0633\u0637 \u0643\u0645\u0627 \u064a\u0644\u064a:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1224\" height=\"500\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/Acoustic-Wave-Governing-Equations-watermarked.png\" alt=\"\" class=\"wp-image-16006\"\/><\/figure>\n\n\n\n<p>\u0641\u064a \u0627\u0644\u0635\u064a\u063a\u0629\u060c <code>\u03c1<\/code>, <code>v<\/code>, <code>\u0635<\/code>\u060c \u0648 <code>\u0633<\/code> \u0647\u064a \u0643\u062b\u0627\u0641\u0629 \u0627\u0644\u0647\u0648\u0627\u0621 \u0648\u0633\u0631\u0639\u062a\u0647 \u0648\u0636\u063a\u0637 \u0627\u0644\u0635\u0648\u062a \u0641\u064a\u0647 \u0648\u0625\u0646\u062a\u0631\u0648\u0628\u064a\u0627\u0647\u060c \u0628\u064a\u0646\u0645\u0627 <code>\u0641<\/code> \u0648 <code>q<\/code> \u0647\u064a \u0645\u0635\u0627\u062f\u0631 \u0625\u062b\u0627\u0631\u0629 \u062e\u0627\u0631\u062c\u064a\u0629 \u0644\u0644\u0648\u0633\u0637 \u0627\u0644\u0647\u0648\u0627\u0626\u064a.<\/p>\n\n\n\n<p>\u0627\u0633\u062a\u0646\u0627\u062f\u064b\u0627 \u0625\u0644\u0649 \u0627\u0633\u062a\u062c\u0627\u0628\u0629 \u0627\u0647\u062a\u0632\u0627\u0632 \u0645\u062e\u0641\u0636 \u0633\u0631\u0639\u0629 \u0627\u0644\u0631\u0627\u0641\u0639\u0629 \u0627\u0644\u0639\u0644\u0648\u064a\u0629\u060c \u062a\u062a\u0645 \u0645\u0639\u0627\u0644\u062c\u0629 \u0646\u062a\u064a\u062c\u0629 \u062d\u0633\u0627\u0628 \u0627\u0644\u062a\u0633\u0627\u0631\u0639 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u062a\u062d\u0648\u064a\u0644 \u0641\u0648\u0631\u064a\u064a\u0647 \u0648\u0645\u0639\u0627\u0644\u062c\u0629 \u062b\u0644\u062b \u0627\u0644\u0623\u0648\u0643\u062a\u0627\u0641. \u064a\u0648\u0636\u062d \u0627\u0644\u0634\u0643\u0644 6 \u0646\u062a\u064a\u062c\u0629 \u062d\u0633\u0627\u0628 \u0627\u0644\u0636\u0648\u0636\u0627\u0621 \u0627\u0644\u0647\u064a\u0643\u0644\u064a\u0629 \u0644\u0645\u0642\u0639\u062f \u0645\u062d\u0645\u0644 \u0627\u0644\u0645\u0631\u062d\u0644\u0629 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0633\u0631\u0639\u0629 \u0644\u0644\u0645\u062e\u0641\u0636.<\/p>\n\n\n\n<p>\u0639\u0646\u062f \u0623\u062e\u0630 \u062e\u0637\u0623 \u0627\u0644\u0644\u0627\u0645\u0631\u0643\u0632\u064a\u0629 \u0641\u064a \u0627\u0644\u0627\u0639\u062a\u0628\u0627\u0631\u060c \u064a\u0632\u062f\u0627\u062f \u0627\u0644\u0636\u062c\u064a\u062c \u0627\u0644\u0647\u064a\u0643\u0644\u064a \u0644\u0644\u0645\u062e\u0641\u0636 \u0628\u0634\u0643\u0644 \u0645\u0644\u062d\u0648\u0638 \u0641\u064a \u0646\u0637\u0627\u0642 \u0627\u0644\u062a\u0631\u062f\u062f\u0627\u062a \u0627\u0644\u0645\u0646\u062e\u0641\u0636\u0629 \u0645\u0646 0 \u0625\u0644\u0649 100 \u0647\u0631\u062a\u0632. \u0648\u0648\u0641\u0642\u064b\u0627 \u0644\u0646\u0638\u0631\u064a\u0629 \u0627\u0644\u0635\u0648\u062a\u064a\u0627\u062a\u060c \u064a\u0645\u062b\u0644 \u0641\u0631\u0642 6 \u062f\u064a\u0633\u064a\u0628\u0644 \u0641\u0631\u0642\u064b\u0627 \u0628\u0645\u0642\u062f\u0627\u0631 \u0645\u0631\u0629 \u0648\u0627\u062d\u062f\u0629 \u0641\u064a \u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u0637\u0627\u0642\u0629. \u0641\u064a \u0627\u0644\u0634\u0643\u0644 6\u060c \u064a\u0635\u0644 \u0641\u0631\u0642 \u0627\u0644\u0636\u062c\u064a\u062c \u0641\u064a \u0628\u0639\u0636 \u0646\u0637\u0627\u0642\u0627\u062a \u0627\u0644\u062a\u0631\u062f\u062f \u0625\u0644\u0649 \u062d\u0648\u0627\u0644\u064a \u062b\u0644\u0627\u062b\u0629 \u0623\u0636\u0639\u0627\u0641\u060c \u0645\u0645\u0627 \u064a\u062f\u0644 \u0639\u0644\u0649 \u0623\u0646 \u062e\u0637\u0623 \u0627\u0644\u0644\u0627\u0645\u0631\u0643\u0632\u064a\u0629 \u0644\u0647 \u062a\u0623\u062b\u064a\u0631 \u0643\u0628\u064a\u0631 \u0639\u0644\u0649 \u0627\u0647\u062a\u0632\u0627\u0632 \u0627\u0644\u0645\u062e\u0641\u0636 \u0639\u0646\u062f \u0627\u0644\u062a\u0631\u062f\u062f\u0627\u062a \u0627\u0644\u0645\u0646\u062e\u0641\u0636\u0629. \u0643\u0645\u0627 \u062a\u0638\u0647\u0631 \u0642\u0645\u0645 \u0648\u0627\u0636\u062d\u0629 \u0639\u0646\u062f 500 \u0647\u0631\u062a\u0632 \u06481000 \u0647\u0631\u062a\u0632\u060c \u0648\u0647\u064a \u0646\u0627\u062a\u062c\u0629 \u0639\u0646 \u062a\u0631\u062f\u062f \u062a\u0639\u0634\u064a\u0642 \u0627\u0644\u062a\u0631\u0648\u0633 \u0641\u064a \u0645\u0631\u062d\u0644\u0629 \u0627\u0644\u0625\u062f\u062e\u0627\u0644.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1588\" height=\"990\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/Structural-noise-of-the-reducer.png\" alt=\"\" class=\"wp-image-15980\" srcset=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/Structural-noise-of-the-reducer.png 1588w, https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/Structural-noise-of-the-reducer-1536x958.png 1536w\" sizes=\"(max-width: 1588px) 100vw, 1588px\" \/><figcaption class=\"wp-element-caption\">\u0627\u0644\u0634\u0643\u0644 6: \u0627\u0644\u0636\u0648\u0636\u0627\u0621 \u0627\u0644\u0647\u064a\u0643\u0644\u064a\u0629 \u0644\u0644\u0645\u062e\u0641\u0636<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"3-2-measures-to-reduce-abnormal-noise\">3.2 \u062a\u062f\u0627\u0628\u064a\u0631 \u0644\u0644\u062d\u062f \u0645\u0646 \u0627\u0644\u0636\u0648\u0636\u0627\u0621 \u063a\u064a\u0631 \u0627\u0644\u0637\u0628\u064a\u0639\u064a\u0629<\/h3>\n\n\n\n<p>\u062a\u0645 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\u0627\u0644\u062e\u0627\u062a\u0645\u0629<\/h2>\n\n\n\n<p>\u062a\u062a\u0646\u0627\u0648\u0644 \u0647\u0630\u0647 \u0627\u0644\u0645\u0642\u0627\u0644\u0629 \u0631\u0627\u0641\u0639\u0629 \u0639\u0644\u0648\u064a\u0629 \u0648\u0645\u062e\u0641\u0636 \u0627\u0644\u0633\u0631\u0639\u0629 \u0627\u0644\u062e\u0627\u0635 \u0628\u0647\u0627 \u0643\u0645\u0648\u0636\u0648\u0639 \u0644\u0644\u062f\u0631\u0627\u0633\u0629\u060c \u0648\u062a\u062d\u0644\u0644 \u062a\u0623\u062b\u064a\u0631 \u062e\u0637\u0623 \u0639\u062f\u0645 \u0645\u0631\u0643\u0632\u064a\u0629 \u0632\u0648\u062c \u0627\u0644\u062a\u0631\u0648\u0633 \u0639\u0644\u0649 \u0627\u0644\u0636\u0648\u0636\u0627\u0621 \u063a\u064a\u0631 \u0627\u0644\u0637\u0628\u064a\u0639\u064a\u0629 \u0644\u0645\u062e\u0641\u0636 \u0627\u0644\u0633\u0631\u0639\u0629. \u0648\u0641\u064a\u0645\u0627 \u064a\u0644\u064a \u0627\u0644\u0646\u062a\u0627\u0626\u062c:<\/p>\n\n\n\n<p>1. \u0639\u0646\u062f \u0623\u062e\u0630 \u062e\u0637\u0623 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