{"id":900,"date":"2026-10-11T02:51:17","date_gmt":"2026-10-11T02:51:17","guid":{"rendered":"https:\/\/aft-forge.jk-ideaweb.com\/?post_type=product&#038;p=900"},"modified":"2026-10-19T13:12:40","modified_gmt":"2026-10-19T13:12:40","slug":"lower-clamp","status":"publish","type":"product","link":"https:\/\/aft-forge.com\/zh\/product\/lower-clamp\/","title":{"rendered":"Lower Clamp"},"content":{"rendered":"<div id=\"prodNav\">\n<div class=\"tab-content responsive\" style=\"text-align: left;\">\n<div id=\"contentprod0\" class=\"tab-pane active txtNormal\">\n<h2>Forged Aluminum Motorcycle Handlebar Lower Clamp: Y-Shaped Bar Clamp Base<\/h2>\n<p>The forged aluminum motorcycle handlebar lower clamp is the lower half of a handlebar clamp. It has a Y-shaped body with curved clamping seats on the upper two branches and a downward post that bolts to the top clamp or a riser. Together with the upper clamp it grips the handlebar tube and sets the bar&#8217;s height and position.<\/p>\n<p>The Y shape creates corners between the clamping seats and post, which form the main path for steering forces into the fork. Al Forge Tech (AFT) closed-die hot forges the part so grain flow runs continuously from the post into both clamping seats, then CNC-machines the clamping arcs, threads and post after heat treatment and verifies their relative position on CMM.<\/p>\n<h3>\u4e3b\u8981\u529f\u80fd<\/h3>\n<ul>\n<li>Y-shaped body with clamping seats and post forged in one piece<\/li>\n<li>Continuous grain flow at the corners carries steering forces<\/li>\n<li>Clamping arcs, threads and post CNC-machined<\/li>\n<li>Can be produced and inspected as a pair with the upper clamp<\/li>\n<\/ul>\n<h2>Forged Aluminum Motorcycle Handlebar Lower Clamp Specifications and Manufacturing Capability<\/h2>\n<div class=\"table-container\">\n<table class=\"table table-bordered table-striped\">\n<thead>\n<tr>\n<th>\u5546\u54c1<\/th>\n<th>\u8a73\u7d30<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u7522\u54c1\u985e\u5225<\/td>\n<td>\u6a5f\u8eca\u96f6\u914d\u4ef6<\/td>\n<\/tr>\n<tr>\n<td>\u7533\u8acb<\/td>\n<td>Handlebar clamps (bases) for motorcycles and heavy motorcycles<\/td>\n<\/tr>\n<tr>\n<td>\u4e3b\u8981\u904e\u7a0b<\/td>\n<td>\u9589\u5f0f\u71b1\u935b\u9020\uff08\u71b1\u935b\u9020\u58d3\u6a5f 600T\u20138,000T\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u6750\u8cea<\/td>\n<td>Per customer specification; heavy-motorcycle parts produced in grades such as 6061-T6, 2014-T6 and 7075-T6<\/td>\n<\/tr>\n<tr>\n<td>\u71b1\u8655\u7406<\/td>\n<td>\u6839\u64da\u5408\u91d1\u8207\u5f37\u5ea6\u8981\u6c42\u800c\u63d0\u4f9b\u7684\u5167\u90e8 T4 \u8655\u7406\u65b9\u6848\uff088 \u5957\uff09\u53ca T6 \u4eba\u5de5\u8001\u5316\u8655\u7406\u65b9\u6848\uff087 \u5957\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u4e8c\u6b21\u52a0\u5de5<\/td>\n<td>CNC \u52a0\u5de5\uff0852 \u53f0\u52a0\u5de5\u4e2d\u5fc3\u300130 \u53f0\u9291\u5e8a\uff09\u3001\u9291\u524a\u3001\u632f\u52d5\u78e8\u524a<\/td>\n<\/tr>\n<tr>\n<td>\u8868\u9762\u8655\u7406<\/td>\n<td>\u6309\u8981\u6c42\u9032\u884c\u967d\u6975\u6c27\u5316\uff08\u5305\u62ec\u786c\u967d\u6975\u6c27\u5316\uff09\u3001\u5674\u5c04\u7c89\u788e\u3001\u96fb\u5b50\u5857\u5c64\u6216\u5857\u6f06\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u6aa2\u67e5<\/td>\n<td>Zeiss CMM (4 units), hardness testers, spectrometer, fluorescent penetrant inspection line<\/td>\n<\/tr>\n<tr>\n<td>\u5c3a\u5bf8\u8207\u516c\u5dee<\/td>\n<td>\u6309\u5ba2\u6236\u63d0\u4f9b2D\/3D\u5716\u7d19<\/td>\n<\/tr>\n<tr>\n<td>\u54c1\u8cea\u7ba1\u7406\u7cfb\u7d71<\/td>\n<td>IATF 16949:2016\u3001ISO 14001:2015<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2>Forged Aluminum Motorcycle Handlebar Lower Clamp Manufacturing Process<\/h2>\n<ol>\n<li><strong>\u7e6a\u5716\u8a55\u4f30\u8207 DFM<\/strong>\u6211\u5011\u78ba\u8a8d\u5408\u91d1\u3001\u8f09\u8377\u65b9\u5411\u548c\u95dc\u9375\u5c3a\u5bf8\uff0c\u7136\u5f8c\u57f7\u884c QForm \u6a21\u64ec\uff0c\u4ee5\u9810\u6e2c\u91d1\u5c6c\u6d41\u52d5\u548c\u7f3a\u9677\u98a8\u96aa\u3002.<\/li>\n<li><strong>\u8a2d\u8a08\u8207\u88fd\u9020<\/strong>\u9291\u5200\u7d44\u6578\uff08\u4f8b\u5982\uff0c\u963b\u65b7\u5200\u548c\u5b8c\u6210\u5200\uff09\u8996\u96f6\u4ef6\u7684\u8907\u96dc\u7a0b\u5ea6\u800c\u5b9a\uff0c\u9291\u5200\u8f2a\u5ed3\u5247\u4f7f\u7528\u4fbf\u651c\u5f0f3D\u6383\u63cf\u5100\u9032\u884c\u6aa2\u67e5\u3002.<\/li>\n<li><strong><a href=\"https:\/\/aft-forge.com\/zh\/forging-service\/hot-forging-service\/\">\u71b1\u935b\u9020<\/a><\/strong>600T\u20138,000T \u71b1\u935b\u9020\u58d3 Presses \u7684\u9589\u5f0f\u6210\u5f62\u6280\u8853\u5275\u9020\u51fa\u6301\u7e8c\u7684\u6676\u7c92\u6d41\uff0c\u4e26\u9075\u5faa\u96f6\u4ef6\u7684\u8f2a\u5ed3\u3002.<\/li>\n<li><strong>\u71b1\u8655\u7406<\/strong>T4 \u6eb6\u6db2\u8655\u7406\u548c T6 \u4eba\u5de5\u8001\u5316\u8655\u7406\u5747\u5728\u5ee0\u5167\u9032\u884c\uff0c\u53c3\u6578\u7531\u5408\u91d1\u548c\u5f37\u5ea6\u8981\u6c42\u8a2d\u5b9a\u3002.<\/li>\n<li><strong><a href=\"https:\/\/aft-forge.com\/zh\/forging-service\/aluminum-cnc-machining-services\/\">CNC\u52a0\u5de5<\/a> \u4ee5\u53ca\u5b8c\u6210<\/strong>\u5b54\u3001\u87ba\u7d0b\u548c\u63a5\u5408\u9762\u5747\u7d93\u904e\u6a5f\u68b0\u52a0\u5de5\uff0c\u7136\u5f8c\u6839\u64da\u9700\u8981\u9032\u884c\u62cb\u5149\u3001\u632f\u52d5\u62cb\u5149\u3001\u5674\u4e38\u6216\u967d\u6975\u6c27\u5316\u8655\u7406\u3002.<\/li>\n<li><strong>\u6aa2\u67e5\u8207\u904b\u8f38<\/strong>\u5c3a\u5bf8\u3001\u786c\u5ea6\u53ca\u5316\u5b78\u6210\u5206\u5747\u901a\u904e CMM\u3001\u786c\u5ea6\u6e2c\u8a66\u5100\u53ca\u5206\u5149\u5149\u5ea6\u5100\u9032\u884c\u9a57\u8b49\uff0c\u4e14\u6240\u6709\u6279\u6b21\u7684\u7522\u54c1\u5747\u9075\u7167 IATF 16949 \u7684\u6a19\u6e96\u9032\u884c\u8ffd\u8e64\u3002.<\/li>\n<\/ol>\n<h2>\u5e38\u898b\u554f\u984c<\/h2>\n<h3>Can the height of the lower clamp be customized?<\/h3>\n<p>Yes. Post length and clamping-seat position set handlebar height and fore-aft position and can be designed for the model&#8217;s riding posture. AFT plans dies to your drawing, and lower clamps of different heights can be evaluated for shared die structures to shorten development.<\/p>\n<h3>Is a handlebar clamp a safety part, and how is it validated?<\/h3>\n<p>The clamp holds the handlebar, and loosening or fracture directly affects control, so it is an important safety-related part. AFT manages production under IATF 16949:2016 and can perform CMM inspection, hardness and composition checks and fluorescent penetrant inspection, supported by in-house tensile and fatigue testing. Vehicle-level testing is carried out by the customer to its standards.<\/p>\n<h3>Can you assess forging feasibility while the Forged Aluminum Motorcycle Handlebar Lower Clamp is still in design?<\/h3>\n<p>\u662f\u7684\u3002Al Forge Tech \u4e3b\u8981\u4f5c\u70ba OEM \u4f9b\u61c9\u5546\u63d0\u4f9b\u670d\u52d9\uff0c\u6211\u5011\u7684\u5de5\u7a0b\u5e2b\u53ef\u4ee5\u5728\u69cb\u601d\u6216\u7e6a\u5716\u968e\u6bb5\u5c31\u8a2d\u8a08\u7684\u53ef\u751f\u7522\u6027\uff08DFM\uff09\u63d0\u4f9b\u610f\u898b\uff0c\u4f8b\u5982\u8abf\u6574\u8584\u908a\u7de3\u3001\u6025\u5207\u7684\u5207\u9762\u8b8a\u5316\u6216\u8a2d\u8a08\u89d2\u5ea6\uff0c\u4ee5\u907f\u514d\u6b98\u6599\u548c\u672a\u586b\u5145\u5340\u57df\u3002QForm \u6a21\u64ec\u80fd\u53ca\u65e9\u9810\u6e2c\u91d1\u5c6c\u6d41\u52d5\uff0c\u4e26\u8207\u6211\u5011\u5df2\u6709\u7684\u6a21\u5177\u8a2d\u8a08\u7d93\u9a57\u9032\u884c\u4ea4\u53c9\u6838\u5c0d\u3002.<\/p>\n<h3>How do you keep the Forged Aluminum Motorcycle Handlebar Lower Clamp consistent from lot to lot?<\/h3>\n<p>Al Forge Tech runs incoming (IQC), in-process (IPQC) and final (FQC) inspection under IATF 16949:2016, supported by 4 Zeiss CMMs, hardness testers, a spectrometer and a fluorescent penetrant inspection line. First, middle and last pieces of every lot are checked against the die; when wear causes dimensional drift, the die is reworked to keep the Forged Aluminum Motorcycle Handlebar Lower Clamp stable across lots.<\/p>\n<h3>How does a forged aluminum Forged Aluminum Motorcycle Handlebar Lower Clamp compare with casting or machining from billet?<\/h3>\n<p>Forging shapes aluminum in the solid state under pressure, so the grain flow follows the part contour and the porosity and shrinkage common in castings are avoided. Compared with machining from solid billet, a near-net-shape forging removes less material and shortens machining time. For a Forged Aluminum Motorcycle Handlebar Lower Clamp under repeated loads, forging balances strength and weight; the final choice still depends on design loads and volume.<\/p>\n<h2>Request a Quote for the Forged Aluminum Motorcycle Handlebar Lower Clamp<\/h2>\n<p>Developing a new Forged Aluminum Motorcycle Handlebar Lower Clamp or converting an existing part to aluminum forging? Send us your 3D\/2D drawings, alloy and temper, annual volume and finishing requirements. Our engineering team will reply with a feasibility review, die plan and quotation.<\/p>\n<ul>\n<li>\u7dda\u4e0a\u67e5\u8a62\uff1a <a href=\"https:\/\/aft-forge.com\/zh\/contact-us\/\">\u806f\u7d61\u6211\u5011<\/a><\/li>\n<li>\u96fb\u5b50\u90f5\u4ef6\uff1a <a href=\"mailto:aft@aft-forge.com.tw\">aft@aft-forge.com.tw<\/a><\/li>\n<\/ul>\n<p>\u82e5\u8981\u6bd4\u8f03\u76f8\u4f3c\u7684\u96f6\u4ef6\uff0c\u8acb\u700f\u89bd <a href=\"https:\/\/aft-forge.com\/zh\/moto-parts\/\">\u6a5f\u8eca\u96f6\u914d\u4ef6<\/a>\u00a0\u4ee5\u53ca\u6211\u5011\u7684 <a href=\"https:\/\/aft-forge.com\/zh\/category\/applications\/\">\u6c7d\u8eca\u92c1\u5408\u91d1\u935b\u9020\u61c9\u7528<\/a>, \u6216\u53c3\u89c0 <a href=\"https:\/\/aft-forge.com\/zh\/about-us\/\">\u516c\u53f8\u7c21\u4ecb<\/a> \u95dc\u65bc\u6211\u5011\u7684\u8a2d\u5099\u8207\u8a8d\u8b49\u3002.<\/p>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Forged Aluminum Motorcycle Handlebar Lower Clamp: Y-Shaped Bar Clamp Base The forged aluminum motorcycle handlebar lower clamp is the lower half of a handlebar clamp. It has a Y-shaped body with curved clamping seats on the upper two branches and a downward post that bolts to the top clamp or a riser. Together with the [&hellip;]<\/p>\n","protected":false},"featured_media":901,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[26],"product_tag":[],"class_list":["post-900","product","type-product","status-publish","has-post-thumbnail","product_cat-moto-parts","first","instock","taxable","shipping-taxable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/aft-forge.com\/zh\/wp-json\/wp\/v2\/product\/900","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aft-forge.com\/zh\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/aft-forge.com\/zh\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/aft-forge.com\/zh\/wp-json\/wp\/v2\/comments?post=900"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aft-forge.com\/zh\/wp-json\/wp\/v2\/media\/901"}],"wp:attachment":[{"href":"https:\/\/aft-forge.com\/zh\/wp-json\/wp\/v2\/media?parent=900"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/aft-forge.com\/zh\/wp-json\/wp\/v2\/product_brand?post=900"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/aft-forge.com\/zh\/wp-json\/wp\/v2\/product_cat?post=900"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/aft-forge.com\/zh\/wp-json\/wp\/v2\/product_tag?post=900"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}