{"id":524,"date":"2023-10-17T02:41:50","date_gmt":"2023-10-17T02:41:50","guid":{"rendered":"http:\/\/nmcoupling.net\/china-standard-quick-release-cast-iron-rubber-flexible-normex-nm-couplings-nm128-water-pump-shaft-coupling-nm-couplimg\/"},"modified":"2023-10-17T02:41:50","modified_gmt":"2023-10-17T02:41:50","slug":"china-standard-quick-release-cast-iron-rubber-flexible-normex-nm-couplings-nm128-water-pump-shaft-coupling-nm-couplimg","status":"publish","type":"post","link":"https:\/\/nmcoupling.net\/it\/china-standard-quick-release-cast-iron-rubber-flexible-normex-nm-couplings-nm128-water-pump-shaft-coupling-nm-couplimg\/","title":{"rendered":"China Standard Quick Release Cast Iron Rubber Flexible Normex Nm Couplings Nm128 Water Pump Shaft Coupling  nm couplimg"},"content":{"rendered":"<div class=\"et_pb_column et_pb_column_3_4 et_pb_column_0_tb_body  et_pb_css_mix_blend_mode_passthrough\">\n<div class=\"et_pb_module et_pb_post_content et_pb_post_content_0_tb_body\">\n<p><h2>Product Description<\/h2>\n<p>\n<p><\/p>\n<table border=\"1\" cellpadding=\"1\" cellspacing=\"1\">\n<tbody>\n<tr>\n<td><strong>Product Name<\/strong><\/td>\n<td>nm coupling<\/td>\n<\/tr>\n<tr>\n<td><strong>Materiale<\/strong><\/td>\n<td>cast iron<\/td>\n<\/tr>\n<tr>\n<td><strong>Type<\/strong><\/td>\n<td>nm 50-214<\/td>\n<\/tr>\n<tr>\n<td><strong>Structure\u00a0<\/strong><\/td>\n<td>2 shaft ( 1 \/ 1a \/ 1b )+spider<\/td>\n<\/tr>\n<tr>\n<td><strong>Bore size\u00a0<\/strong><\/td>\n<td>7-952mm<\/td>\n<\/tr>\n<tr>\n<td><strong>Weight\u00a0<\/strong><\/td>\n<td>About 0.48-35.7 kg \/ pcs<\/td>\n<\/tr>\n<tr>\n<td><strong>packing<\/strong><\/td>\n<td>plastic bag +paper box +wooden box +wooden pallet<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0<\/p>\n<p><strong><\/strong><\/p>\n<p>Flexible Coupling\/Couplings<\/p>\n<p>1. One Piece metallic spring coupling<\/p>\n<p>2. Zero backlash<\/p>\n<p>3. Absorption of parallel, angular misalignment and shaft end-play by spring action<\/p>\n<p>4. Identical clockwise and anticlockwise rotational characteristics<\/p>\n<p>5. Setscrew type or Clamp Type<\/p>\n<p>6. Material: Aluminum Alloy or Stainless steel or other materials per customers&#8217; request.<\/p>\n<p>7.\u00a0Anti-corrsion,widely used in medical science ,chemistry<\/p>\n<p>8. High flexibilty<\/p>\n<p>9.\u00a0For servomotor stepmotor<\/p>\n<p>\u00a0<\/p>\n<p>What applications are coupling used for?<\/p>\n<p>Couplings are used in servo drive technology, machine tools, \u00a0packaging machinery, automation systems, \u00a0printing presses, industrial robots, \u00a0control and positioning technology, \u00a0and general mechanical engineering.<\/p>\n<p>\u00a0<\/p>\n<p>MAIN\u00a0PRODUCTS:<\/p>\n<p>1)\u00a0Timing\u00a0Belt\u00a0Pulley\u00a0(Synchronous\u00a0Pulley),\u00a0Timing\u00a0Bar,\u00a0Clamping\u00a0Plate;<\/p>\n<p>2) Forging,\u00a0Casting,\u00a0Stampling\u00a0Part;<\/p>\n<p>3) V\u00a0Belt\u00a0Pulley\u00a0and\u00a0Taper\u00a0Lock\u00a0Bush;\u00a0Sprocket,\u00a0Idler\u00a0and\u00a0Plate\u00a0Wheel;Spur\u00a0Gear,\u00a0Bevel\u00a0Gear,\u00a0Rack;\u00a0<\/p>\n<p>4) Shaft\u00a0Locking\u00a0Device:\u00a0could\u00a0be\u00a0alternative\u00a0for\u00a0Ringfeder,\u00a0Sati,\u00a0Chiaravalli,\u00a0Tollok,\u00a0etc.;<\/p>\n<p>5) Shaft\u00a0Coupling:including\u00a0Miniature\u00a0couplings,\u00a0Curved\u00a0tooth\u00a0coupling,\u00a0Chain\u00a0coupling,\u00a0HRC\u00a0coupling, \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0Normex\u00a0coupling,\u00a0Type\u00a0coupling,\u00a0GE\u00a0Coupling,\u00a0torque\u00a0limiter,\u00a0Universal\u00a0Joint;\u00a0<\/p>\n<p>6) Shaft\u00a0Collars:\u00a0including\u00a0Setscrew\u00a0Type,\u00a0Single\u00a0Split\u00a0and\u00a0Double\u00a0Splits;<\/p>\n<p>7) Timing\u00a0Belt:\u00a0including\u00a0Rubber\u00a0and\u00a0PU\u00a0timing\u00a0belts\u00a0for\u00a0industrial;<\/p>\n<p>8) Other\u00a0customized\u00a0Machining\u00a0Parts\u00a0according\u00a0to\u00a0drawings\u00a0(OEM).<\/p>\n<p>\u00a0 \u00a0 \u00a0\u00a0<\/p>\n<p>\u00a0  <\/p>\n<p>\n<p>\n<p>\n<table class=\"widefat\" id=\"add_new_publishing_attribute\"><\/div>\n<table class=\"widefat\" id=\"add_new_publishing_attribute\">\n<tbody>\n<tr>\n<th width=\"160\" class=\"th-label\">Standard Or Nonstandard:<\/th>\n<td>Standard<\/td>\n<\/tr>\n<tr>\n<th width=\"160\" class=\"th-label\">Shaft Hole:<\/th>\n<td>8-24<\/td>\n<\/tr>\n<tr>\n<th width=\"160\" class=\"th-label\">Torque:<\/th>\n<td>1.3-300<\/td>\n<\/tr>\n<tr>\n<th width=\"160\" class=\"th-label\">Bore Diameter:<\/th>\n<td>7-952<\/td>\n<\/tr>\n<tr>\n<th width=\"160\" class=\"th-label\">Speed:<\/th>\n<td>3000-13500<\/td>\n<\/tr>\n<tr>\n<th width=\"160\" class=\"th-label\">Structure:<\/th>\n<td>Flexible<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"attr-line\"><\/div>\n<table class=\"widefat\" id=\"add_new_publishing_attribute\">\n<tbody>\n<tr>\n<th width=\"160\" class=\"th-label\">Samples:<\/th>\n<td>\n<div class=\"sample-order-info\">\n<div class=\"info-text\">\n                                        <strong class=\"red\">US$ 10\/Piece<\/strong><br \/>\n                                        <span title=\"1 Piece(Min.Order)\">1 Piece(Min.Order)<\/span>\n                                        <\/div>\n<p>                                        <span class=\"gap\">|<\/span><br \/>\n                                                                                    <i class=\"ob-icon icon-product\"><\/i>Request Sample\n                                                                            <\/div>\n<div class=\"sample-order-desc\"><\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table class=\"widefat\" id=\"add_new_publishing_attribute\">\n<tbody>\n<tr>\n<th width=\"160\" class=\"th-label\">Customization:<\/th>\n<td>\n<div class=\"sample-order-info\">\n<div class=\"info-text\">\n                                            Available\n                                        <\/div>\n<p>                                        <span class=\"gap\">|<\/span><\/p>\n<p>                                        <i class=\"ob-icon icon-fill\"><\/i>Customized Request<\/p><\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/p><\/div>\n<\/table>\n<p>\n<img decoding=\"async\" src=\"https:\/\/img.hzpt.com\/img\/coupling\/nm%20coupling\/nm-coupling-specification1.jpg\" alt=\"China Standard Quick Release Cast Iron Rubber Flexible Normex Nm Couplings Nm128 Water Pump Shaft Coupling  nm couplimg\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.hzpt.com\/img\/coupling\/nm%20coupling\/nm-coupling1.webp\" alt=\"nm coupling\" width=\"800\" \/><\/p>\n<h3>Can flexible couplings be used in both horizontal and vertical shaft arrangements?<\/h3>\n<p>Yes, flexible couplings can be used in both horizontal and vertical shaft arrangements. The design of flexible couplings allows them to accommodate misalignment and compensate for angular, parallel, and axial displacements between the shafts, making them suitable for various shaft orientations.<\/p>\n<p><strong>Horizontal Shaft Arrangements:<\/strong><\/p>\n<p>In horizontal shaft arrangements, where the shafts are parallel to the ground or horizontal plane, flexible couplings are commonly used to connect two rotating shafts. These couplings help transmit torque from one shaft to another while accommodating any misalignment that may occur during operation. Horizontal shaft arrangements are common in applications such as pumps, compressors, conveyors, and industrial machinery.<\/p>\n<p><strong>Vertical Shaft Arrangements:<\/strong><\/p>\n<p>In vertical shaft arrangements, where the shafts are perpendicular to the ground or vertical plane, flexible couplings are also applicable. Vertical shafts often require couplings that can handle the additional weight and forces resulting from gravity. Flexible couplings designed for vertical applications can support the weight of the rotating equipment while allowing for some axial movement to accommodate thermal expansion or other displacements. Vertical shaft arrangements are commonly found in applications such as pumps, gearboxes, turbines, and some marine propulsion systems.<\/p>\n<p><strong>Considerations for Vertical Shaft Arrangements:<\/strong><\/p>\n<p>When using flexible couplings in vertical shaft arrangements, there are a few additional considerations to keep in mind:<\/p>\n<ul>\n<li><strong>Thrust Load:<\/strong> Vertical shafts can generate thrust loads, especially in upward or downward direction. The flexible coupling should be selected based on its capacity to handle both radial and axial loads to accommodate these forces.<\/li>\n<li><strong>Lubrication:<\/strong> Some vertical couplings may require additional lubrication to ensure smooth operation and reduce wear, particularly if they are exposed to high axial loads or extended vertical shafts.<\/li>\n<li><strong>Support and Bearing:<\/strong> Proper support and bearing arrangements for the vertical shaft are essential to prevent excessive shaft deflection and ensure the flexible coupling functions correctly.<\/li>\n<\/ul>\n<p>Overall, flexible couplings are versatile and adaptable to various shaft orientations, providing efficient power transmission and misalignment compensation. Whether in horizontal or vertical arrangements, using the appropriate flexible coupling design and considering the specific application requirements will help ensure reliable and efficient operation.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.hzpt.com\/img\/coupling\/nm%20coupling\/nm-coupling3.webp\" alt=\"nm coupling\" width=\"800\" \/><\/p>\n<h3>What are the differences between elastomeric and metallic flexible coupling designs?<\/h3>\n<p>Elastomeric and metallic flexible couplings are two distinct designs used to transmit torque and accommodate misalignment in mechanical systems. Each type offers unique characteristics and advantages, making them suitable for different applications.<\/p>\n<p><strong>Elastomeric Flexible Couplings:<\/strong><\/p>\n<p>Elastomeric flexible couplings, also known as flexible or jaw couplings, employ an elastomeric material (rubber or similar) as the flexible element. The elastomer is typically molded between two hubs, and it acts as the connector between the driving and driven shafts. The key differences and characteristics of elastomeric couplings include:<\/p>\n<ul>\n<li><strong>Misalignment Compensation:<\/strong> Elastomeric couplings are designed to handle moderate levels of angular, parallel, and axial misalignment. The elastomeric material flexes to accommodate the misalignment while transmitting torque between the shafts.<\/li>\n<li><strong>Vibration Damping:<\/strong> The elastomeric material in these couplings offers excellent vibration dampening properties, reducing the transmission of vibrations from one shaft to another. This feature helps protect connected equipment from excessive vibrations and enhances system reliability.<\/li>\n<li><strong>Shock Load Absorption:<\/strong> Elastomeric couplings can absorb and dampen shock loads, protecting the system from sudden impacts or overloads.<\/li>\n<li><strong>Cost-Effective:<\/strong> Elastomeric couplings are generally more cost-effective compared to metallic couplings, making them a popular choice for various industrial applications.<\/li>\n<li><strong>Simple Design and Installation:<\/strong> Elastomeric couplings often have a straightforward design, allowing for easy installation and maintenance.<\/li>\n<li><strong>Lower Torque Capacity:<\/strong> These couplings have a lower torque capacity compared to metallic couplings, making them suitable for applications with moderate torque requirements.<\/li>\n<li><strong>Common Applications:<\/strong> Elastomeric couplings are commonly used in pumps, compressors, fans, conveyors, and other applications that require moderate torque transmission and misalignment compensation.<\/li>\n<\/ul>\n<p><strong>Metallic Flexible Couplings:<\/strong><\/p>\n<p>Metallic flexible couplings use metal components (such as steel, stainless steel, or aluminum) to connect the driving and driven shafts. The metallic designs can vary significantly depending on the type of metallic coupling, but some general characteristics include:<\/p>\n<ul>\n<li><strong>High Torque Capacity:<\/strong> Metallic couplings have higher torque transmission capabilities compared to elastomeric couplings. They are well-suited for applications requiring high torque handling.<\/li>\n<li><strong>Misalignment Compensation:<\/strong> Depending on the design, some metallic couplings can accommodate minimal misalignment, but they are generally not as flexible as elastomeric couplings in this regard.<\/li>\n<li><strong>Stiffer Construction:<\/strong> Metallic couplings are generally stiffer than elastomeric couplings, offering less vibration dampening but higher torsional stiffness.<\/li>\n<li><strong>Compact Design:<\/strong> Metallic couplings can have a more compact design, making them suitable for applications with limited space.<\/li>\n<li><strong>Higher Precision:<\/strong> Metallic couplings often offer higher precision and concentricity, resulting in better shaft alignment.<\/li>\n<li><strong>Higher Cost:<\/strong> Metallic couplings are typically more expensive than elastomeric couplings due to their construction and higher torque capacity.<\/li>\n<li><strong>Common Applications:<\/strong> Metallic couplings are commonly used in high-speed machinery, precision equipment, robotics, and applications with high torque requirements.<\/li>\n<\/ul>\n<p><strong>Summary:<\/strong><\/p>\n<p>In summary, the main differences between elastomeric and metallic flexible coupling designs lie in their flexibility, torque capacity, vibration dampening, cost, and applications. Elastomeric couplings are suitable for applications with moderate torque, misalignment compensation, and vibration dampening requirements. On the other hand, metallic couplings are chosen for applications with higher torque and precision requirements, where flexibility and vibration dampening are less critical.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.hzpt.com\/img\/coupling\/nm%20coupling\/nm-coupling4.webp\" alt=\"nm coupling\" width=\"800\" \/><\/p>\n<h3>How do you select the appropriate flexible coupling for a specific application?<\/h3>\n<p>Choosing the right flexible coupling for a specific application requires careful consideration of various factors to ensure optimal performance, reliability, and longevity. Here are the key steps to select the appropriate flexible coupling:<\/p>\n<ol>\n<li><strong>Application Requirements:<\/strong> Understand the specific requirements of the application, including torque and speed specifications, misalignment conditions, operating environment (e.g., temperature, humidity, and presence of corrosive substances), and space limitations.<\/li>\n<li><strong>Torque Capacity:<\/strong> Determine the maximum torque that the coupling needs to transmit. Choose a flexible coupling with a torque rating that exceeds the application&#8217;s requirements to ensure a safety margin and prevent premature failure.<\/li>\n<li><strong>Misalignment Compensation:<\/strong> Consider the type and magnitude of misalignment that the coupling needs to accommodate. Different coupling designs offer varying degrees of misalignment compensation. Select a coupling that can handle the expected misalignment in the system.<\/li>\n<li><strong>Vibration Damping:<\/strong> If the application involves significant vibrations, choose a flexible coupling with good damping properties to reduce vibration transmission to connected equipment and improve system stability.<\/li>\n<li><strong>Environmental Factors:<\/strong> Take into account the environmental conditions in which the coupling will operate. For harsh environments, consider couplings made from corrosion-resistant materials.<\/li>\n<li><strong>Torsional Stiffness:<\/strong> Depending on the application&#8217;s requirements, decide on the desired torsional stiffness of the coupling. Some applications may require high torsional stiffness for precise motion control, while others may benefit from a more flexible coupling for shock absorption.<\/li>\n<li><strong>Cost and Life-Cycle Considerations:<\/strong> Evaluate the overall cost-effectiveness of the coupling over its expected life cycle. Consider factors such as initial cost, maintenance requirements, and potential downtime costs associated with coupling replacement.<\/li>\n<li><strong>Manufacturer Recommendations:<\/strong> Consult coupling manufacturers and their technical specifications to ensure the selected coupling is suitable for the intended application.<\/li>\n<li><strong>Installation and Maintenance:<\/strong> Ensure that the selected flexible coupling is compatible with the equipment and shaft sizes. Follow the manufacturer&#8217;s installation guidelines and recommended maintenance practices to maximize the coupling&#8217;s performance and longevity.<\/li>\n<\/ol>\n<p>By following these steps and carefully evaluating the application&#8217;s requirements, you can select the most appropriate flexible coupling for your specific needs. The right coupling choice will lead to improved system performance, reduced wear on equipment, and enhanced overall reliability in various mechanical systems and rotating machinery.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.hzpt.com\/img\/coupling\/coupling-l1.webp\" alt=\"China Standard Quick Release Cast Iron Rubber Flexible Normex Nm Couplings Nm128 Water Pump Shaft Coupling  nm couplimg\"><img decoding=\"async\" src=\"https:\/\/img.hzpt.com\/img\/coupling\/coupling-l2.webp\" alt=\"China Standard Quick Release Cast Iron Rubber Flexible Normex Nm Couplings Nm128 Water Pump Shaft Coupling  nm couplimg\"><br \/>editor by CX 2023-10-17<\/p>","protected":false},"excerpt":{"rendered":"<p>Product Description Product Name nm coupling Material cast iron Type nm 50-214 Structure\u00a0 2 shaft ( 1 \/ 1a \/ 1b )+spider Bore size\u00a0 7-952mm Weight\u00a0 About 0.48-35.7 kg \/ pcs packing plastic bag +paper box +wooden box +wooden pallet \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0 Flexible Coupling\/Couplings 1. One Piece metallic spring coupling 2. [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[16,31,17,51,32,239,46,266,76,422,77,78,383,423,307,328,395,35,424,86,87,425,61,65,240,401,426,427,428,429],"class_list":["post-524","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-china-coupling","tag-china-couplings","tag-coupling","tag-coupling-shaft","tag-couplings","tag-couplings-shaft","tag-flexible-coupling","tag-flexible-couplings","tag-flexible-rubber-coupling","tag-flexible-rubber-couplings","tag-flexible-shaft","tag-flexible-shaft-coupling","tag-flexible-shaft-couplings","tag-flexible-shaft-water-pump","tag-nm-coupling","tag-nm-couplings","tag-pump-shaft","tag-rubber-coupling","tag-rubber-couplings","tag-rubber-shaft","tag-rubber-shaft-coupling","tag-rubber-shaft-couplings","tag-shaft","tag-shaft-coupling","tag-shaft-couplings","tag-shaft-pump","tag-shaft-water-pump","tag-water-pump-shaft","tag-water-pump-shaft-coupling","tag-water-pump-shaft-couplings"],"_links":{"self":[{"href":"https:\/\/nmcoupling.net\/it\/wp-json\/wp\/v2\/posts\/524","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nmcoupling.net\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nmcoupling.net\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nmcoupling.net\/it\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nmcoupling.net\/it\/wp-json\/wp\/v2\/comments?post=524"}],"version-history":[{"count":0,"href":"https:\/\/nmcoupling.net\/it\/wp-json\/wp\/v2\/posts\/524\/revisions"}],"wp:attachment":[{"href":"https:\/\/nmcoupling.net\/it\/wp-json\/wp\/v2\/media?parent=524"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nmcoupling.net\/it\/wp-json\/wp\/v2\/categories?post=524"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nmcoupling.net\/it\/wp-json\/wp\/v2\/tags?post=524"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}