{"id":7995,"date":"2025-12-09T12:09:59","date_gmt":"2025-12-09T08:39:59","guid":{"rendered":"https:\/\/novincsm.com\/?post_type=product&#038;p=7995"},"modified":"2026-05-18T11:30:28","modified_gmt":"2026-05-18T08:00:28","slug":"movable-jaw-shoulder","status":"publish","type":"product","link":"https:\/\/novincsm.com\/en\/product\/movable-jaw-shoulder\/","title":{"rendered":"Movable Jaw Shoulder"},"content":{"rendered":"<div class=\"flex flex-col text-sm pb-25\">\n<article class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [&amp;:has([data-writing-block])&gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" tabindex=\"-1\" data-turn-id=\"request-699bd5c4-f9b4-8332-907b-3742af377aec-54\" data-testid=\"conversation-turn-120\" data-scroll-anchor=\"true\" data-turn=\"assistant\">\n<div class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\">\n<div class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\">\n<div class=\"z-0 flex min-h-[46px] justify-start\">The movable jaw shoulder is a critical component of a jaw crusher, used for crushing rocks and minerals. It works in conjunction with the fixed jaw shoulder, positioning the material between the two jaws and crushing it through its back-and-forth motion. The material of the movable jaw shoulder is typically selected to withstand the high pressure and impact forces generated during crushing.<\/div>\n<div class=\"mt-3 w-full empty:hidden\">\n<div class=\"text-center\">\n<div class=\"flex flex-col text-sm pb-25\">\n<article class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [&amp;:has([data-writing-block])&gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" tabindex=\"-1\" data-turn-id=\"request-699bd5c4-f9b4-8332-907b-3742af377aec-54\" data-testid=\"conversation-turn-120\" data-scroll-anchor=\"true\" data-turn=\"assistant\">\n<div class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\">\n<div class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"><\/div>\n<\/div>\n<\/article>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/article>\n<\/div>\n<p>&nbsp;<\/p>\n<table>\n<thead>\n<tr>\n<th>Feature<\/th>\n<th>Description<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Material<\/td>\n<td>Manganese steel or wear-resistant alloys (e.g., Hadfield Manganese Steel) to withstand heavy pressure and impacts; custom options with alloy steel for special conditions.<\/td>\n<\/tr>\n<tr>\n<td>Technical Specs<\/td>\n<td>Various dimensions depending on jaw crusher model (from 60\u00d7100 to 110\u00d790 cm); approximate weight 200\u2013800 kg; compatible with domestic and international models like Godwin and Metso; wear surface thickness 50\u2013100 mm.<\/td>\n<\/tr>\n<tr>\n<td>Applications<\/td>\n<td>Primary and secondary crushing of ores, limestone, granite, and hard materials in mining, cement, and construction industries; transfers force from the shaft to materials for crushing.<\/td>\n<\/tr>\n<tr>\n<td>Unique Advantages<\/td>\n<td>Optimized design for maximum crushing efficiency; easy replacement without complex tools; extends machine life by reducing fixed jaw wear; guaranteed quality with best market price.<\/td>\n<\/tr>\n<tr>\n<td>Maintenance &amp; Installation<\/td>\n<td>Periodic inspection of wear surfaces (every 500 working hours); regular lubrication of edges with industrial grease; installation with standard bolts in under 1 hour; signs of wear: unusual noise or reduced material output.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p data-start=\"42\" data-end=\"86\"><strong data-start=\"42\" data-end=\"84\">Functions of the Movable Jaw Shoulder:<\/strong><\/p>\n<ul data-start=\"87\" data-end=\"391\">\n<li data-start=\"87\" data-end=\"181\">\n<p data-start=\"89\" data-end=\"181\"><strong data-start=\"89\" data-end=\"109\">Crushing stones:<\/strong> Moves stones toward the fixed jaw shoulder to crush them efficiently.<\/p>\n<\/li>\n<li data-start=\"182\" data-end=\"290\">\n<p data-start=\"184\" data-end=\"290\"><strong data-start=\"184\" data-end=\"207\">Force transmission:<\/strong> Transfers the force generated by the motor to the stones for effective crushing.<\/p>\n<\/li>\n<li data-start=\"291\" data-end=\"391\">\n<p data-start=\"293\" data-end=\"391\"><strong data-start=\"293\" data-end=\"317\">Pressure generation:<\/strong> Creates the necessary pressure between jaws for material fragmentation.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"393\" data-end=\"436\"><strong data-start=\"393\" data-end=\"434\">Features of the Movable Jaw Shoulder:<\/strong><\/p>\n<ul data-start=\"437\" data-end=\"662\">\n<li data-start=\"437\" data-end=\"522\">\n<p data-start=\"439\" data-end=\"522\"><strong data-start=\"439\" data-end=\"460\">Durable material:<\/strong> Typically made of manganese steel or wear-resistant alloys.<\/p>\n<\/li>\n<li data-start=\"523\" data-end=\"592\">\n<p data-start=\"525\" data-end=\"592\"><strong data-start=\"525\" data-end=\"546\">Optimized design:<\/strong> Engineered to maximize crushing efficiency.<\/p>\n<\/li>\n<li data-start=\"593\" data-end=\"662\">\n<p data-start=\"595\" data-end=\"662\"><strong data-start=\"595\" data-end=\"616\">Easy replacement:<\/strong> Can be replaced quickly if worn or damaged.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"664\" data-end=\"694\"><strong data-start=\"664\" data-end=\"692\">Signs of Wear or Damage:<\/strong><\/p>\n<ul data-start=\"695\" data-end=\"933\">\n<li data-start=\"695\" data-end=\"788\">\n<p data-start=\"697\" data-end=\"788\"><strong data-start=\"697\" data-end=\"728\">Reduced machine efficiency:<\/strong> Worn movable jaw shoulder decreases crushing performance.<\/p>\n<\/li>\n<li data-start=\"789\" data-end=\"862\">\n<p data-start=\"791\" data-end=\"862\"><strong data-start=\"791\" data-end=\"809\">Unusual noise:<\/strong> Damage may cause abnormal sounds during operation.<\/p>\n<\/li>\n<li data-start=\"863\" data-end=\"933\">\n<p data-start=\"865\" data-end=\"933\"><strong data-start=\"865\" data-end=\"884\">Excessive wear:<\/strong> Prolonged use can wear the surface of the jaw.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"935\" data-end=\"956\"><strong data-start=\"935\" data-end=\"954\">Causes of Wear:<\/strong><\/p>\n<ul data-start=\"957\" data-end=\"1188\">\n<li data-start=\"957\" data-end=\"1027\">\n<p data-start=\"959\" data-end=\"1027\"><strong data-start=\"959\" data-end=\"977\">High pressure:<\/strong> Continuous impact with large or hard materials.<\/p>\n<\/li>\n<li data-start=\"1028\" data-end=\"1092\">\n<p data-start=\"1030\" data-end=\"1092\"><strong data-start=\"1030\" data-end=\"1043\">Friction:<\/strong> Constant contact with stones accelerates wear.<\/p>\n<\/li>\n<li data-start=\"1093\" data-end=\"1188\">\n<p data-start=\"1095\" data-end=\"1188\"><strong data-start=\"1095\" data-end=\"1116\">Poor maintenance:<\/strong> Incorrect lubrication or improper installation shortens service life.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1190\" data-end=\"1500\"><strong data-start=\"1190\" data-end=\"1202\">Summary:<\/strong><br data-start=\"1202\" data-end=\"1205\" \/>The movable jaw shoulder is a critical jaw crusher component responsible for crushing stones. Proper maintenance and periodic inspection enhance machine performance. Using high-quality, wear-resistant jaw shoulders prevents premature failure, reduces costs, and extends the crusher\u2019s lifespan.<\/p>\n<p data-start=\"1502\" data-end=\"1535\"><strong data-start=\"1502\" data-end=\"1533\">FAQ \u2013 Movable Jaw Shoulder:<\/strong><\/p>\n<ul data-start=\"1536\" data-end=\"2240\" data-is-last-node=\"\" data-is-only-node=\"\">\n<li data-start=\"1536\" data-end=\"1690\">\n<p data-start=\"1538\" data-end=\"1690\"><strong data-start=\"1538\" data-end=\"1577\">Difference from fixed jaw shoulder:<\/strong> The movable jaw strikes directly and experiences more wear; its lifespan is typically 50\u201370% of the fixed jaw.<\/p>\n<\/li>\n<li data-start=\"1691\" data-end=\"1800\">\n<p data-start=\"1693\" data-end=\"1800\"><strong data-start=\"1693\" data-end=\"1713\">When to replace:<\/strong> Replace when tooth depth falls below 20 mm, production drops, or deep cracks appear.<\/p>\n<\/li>\n<li data-start=\"1801\" data-end=\"1924\">\n<p data-start=\"1803\" data-end=\"1924\"><strong data-start=\"1803\" data-end=\"1849\">Best tooth profile for basalt and granite:<\/strong> Wave-shaped teeth \u2013 better crushing and 10\u201315% lower energy consumption.<\/p>\n<\/li>\n<li data-start=\"1925\" data-end=\"2092\">\n<p data-start=\"1927\" data-end=\"2092\"><strong data-start=\"1927\" data-end=\"1968\">Quality of domestic vs. Swedish jaws:<\/strong> Novincsm manganese Mn14 jaws with precise CNC machining show field-tested life equal or higher than Swedish counterparts.<\/p>\n<\/li>\n<li data-start=\"2093\" data-end=\"2240\" data-is-last-node=\"\">\n<p data-start=\"2095\" data-end=\"2240\" data-is-last-node=\"\"><strong data-start=\"2095\" data-end=\"2122\">How to extend lifespan:<\/strong> Correct jaw gap adjustment, uniform feeding, avoiding metals, and regular lubrication can increase life by up to 40%.<\/p>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\"><strong>Feature<\/strong><\/th>\n<th style=\"text-align: left;\"><strong>Brief Description<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><strong>Impact-resistant material<\/strong><\/td>\n<td style=\"text-align: left;\">Manganese steel Mn13\/Mn14 \u2013 work-hardened up to HB 550<\/td>\n<\/tr>\n<tr>\n<td><strong>Service life<\/strong><\/td>\n<td>4\u201310 months in heavy-duty quarries (20\u201330% longer than standard jaws)<\/td>\n<\/tr>\n<tr>\n<td><strong>Optimized teeth<\/strong><\/td>\n<td>Wave or flat design \u2013 better crushing, lower power consumption<\/td>\n<\/tr>\n<tr>\n<td><strong>Compatible models<\/strong><\/td>\n<td>All jaw crushers: PE, PEX, Blake, Russian &amp; Swedish models<\/td>\n<\/tr>\n<tr>\n<td><strong>Weight &amp; load capacity<\/strong><\/td>\n<td>200\u20131200 kg \u2013 impact resistance up to 250 t\/m\u00b2<\/td>\n<\/tr>\n<tr>\n<td><strong>Warranty<\/strong><\/td>\n<td>6 months replacement + free shipping across Iran<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":7996,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[1064,1063],"product_tag":[],"class_list":["post-7995","product","type-product","status-publish","has-post-thumbnail","product_cat-jaw-crusher-jaw-comb","product_cat-parts-of-various-types-of-crushers","first","instock","shipping-taxable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/novincsm.com\/en\/wp-json\/wp\/v2\/product\/7995","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/novincsm.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/novincsm.com\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/novincsm.com\/en\/wp-json\/wp\/v2\/comments?post=7995"}],"version-history":[{"count":6,"href":"https:\/\/novincsm.com\/en\/wp-json\/wp\/v2\/product\/7995\/revisions"}],"predecessor-version":[{"id":8706,"href":"https:\/\/novincsm.com\/en\/wp-json\/wp\/v2\/product\/7995\/revisions\/8706"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/novincsm.com\/en\/wp-json\/wp\/v2\/media\/7996"}],"wp:attachment":[{"href":"https:\/\/novincsm.com\/en\/wp-json\/wp\/v2\/media?parent=7995"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/novincsm.com\/en\/wp-json\/wp\/v2\/product_brand?post=7995"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/novincsm.com\/en\/wp-json\/wp\/v2\/product_cat?post=7995"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/novincsm.com\/en\/wp-json\/wp\/v2\/product_tag?post=7995"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}