{"id":2153,"date":"2025-05-30T10:56:22","date_gmt":"2025-05-30T08:56:22","guid":{"rendered":"https:\/\/mwtsourcing.com\/jit-just-in-time-en-production-comment-faire\/"},"modified":"2025-05-30T10:59:21","modified_gmt":"2025-05-30T08:59:21","slug":"jit-just-in-time-in-production-how-do-you-go-about-it","status":"publish","type":"post","link":"https:\/\/mwtsourcing.com\/en\/jit-just-in-time-in-production-how-do-you-go-about-it\/","title":{"rendered":"JIT (Just-in-Time) in production: how do you go about it?"},"content":{"rendered":"<h2>What is Just-in-Time (JIT) in Production?<\/h2>\n<h3>Definition of JIT and its Principles<\/h3>\n<p>JIT, a production management approach, requires the delivery of components exactly when the operator needs them.<\/p>\n<p>With this system<b>,<\/b> any <b>excess inventory<\/b> is considered waste. Its core principles include: pull flow, small batch size, stable cadence, continuous improvement, and cycle time control.<\/p>\n<h3>Origins and Evolution of JIT<\/h3>\n<p>Just-in-Time (JIT) was born in the Japanese automotive industry in the 1970s, driven by Toyota and Taiichi Ohno.<\/p>\n<p>Faced with limited resources, they designed an agile production system with no capital immobilization or accumulation of dormant stocks. Since then, the JIT method has become inseparable from the<a href=\"https:\/\/mwtsourcing.com\/en\/the-7-essential-principles-for-developing-lean-management-on-the-factory-floor\/\"> principles of lean management<\/a>, with a core objective to <b>eliminate waste at every stage of the value chain<\/b>.<\/p>\n<h2>The Benefits of JIT in Production<\/h2>\n<h3>Reduction of Storage Costs<\/h3>\n<p>By producing only what is necessary, when it is necessary, Just-in-Time allows companies to <b>drastically reduce inventory levels<\/b>. No more overstocked warehouses and unnecessarily immobilized capital. The company frees up space, lightens inventory, and saves on insurance, handling, and material depreciation.<\/p>\n<h3>Improved Flexibility and Responsiveness<\/h3>\n<p>JIT offers companies a <b>much higher adaptability to changes in demand<\/b>. By shortening the time between order and delivery, it becomes easier to quickly adjust production to actual market needs.<\/p>\n<h3>Optimization of Production Processes<\/h3>\n<p>Pull flow highlights every delay, error, and wait: all are opportunities for improvement. Teams measure <b>takt time<\/b> (market-driven pace) and adjust planning daily.<\/p>\n<h2>How to Implement JIT in Production?<\/h2>\n<h3>Assessment of Raw Material Needs<\/h3>\n<p>Every project begins with a flow study and hourly consumption measurement. The minimum &#8220;trigger quantity,&#8221; calculated for each component, prevents stockouts while reducing inventory.<\/p>\n<h3>Close Collaboration with Suppliers<\/h3>\n<p>A reliable Just-In-Time system requires <b>tight coordination<\/b> and frequent deliveries. Before starting the transformation, a<a href=\"https:\/\/mwtsourcing.com\/en\/our-solutions\/product-conformity\/factory-audit\/\"> factory audit<\/a> of each supplier ensures delivery capacity.<\/p>\n<h3>Technology Integration for Flow Management<\/h3>\n<p>ERP tools unify <b>production<\/b> data, inventory, and downtimes. They reduce human error and trigger alerts when a delay is imminent. Real-time management provides greater visibility.<\/p>\n<h3>Improving Risk Management in a JIT System<\/h3>\n<p>JIT systems are sensitive to disruptions: pandemics, strikes, breakdowns, natural disasters\u2026 It\u2019s crucial to identify all risks, create secondary supply loops, store a buffer of critical materials, and maintain an <b>alternative transport<\/b> plan.<\/p>\n<h2>The Challenges of JIT in Production<\/h2>\n<h3>Dependence on Suppliers and Deadlines<\/h3>\n<p>Even a slight delay can halt the entire production chain. Companies must diversify sources, share forecasts, use daily <b>logistics performance<\/b> indicators, and implement dual sourcing for critical parts.<\/p>\n<h3>Managing Unexpected Supply Chain Events<\/h3>\n<p>The Just-in-Time model relies on flawless coordination across the supply chain. A supply disruption, delivery delay, or external incident (strike, weather issue, health crisis) can quickly disrupt production.<\/p>\n<p>Integrating alert systems, backup suppliers, or limited buffer capacities helps secure the chain without undermining the JIT logic. The goal is to maintain agility while minimizing risk exposure.<\/p>\n<h3>Implementation and Adjustment Costs<\/h3>\n<p>Switching to a Just-in-Time production mode requires significant upfront investment. Flow mapping, workstation reconfiguration, process digitization, team training&#8230; all need to be <b>planned and budgeted<\/b>. Additionally, adopting JIT requires gradual adjustment of internal processes, often accompanied by a shift in managerial culture. While ROI is tangible in the medium term (reduced stock, increased productivity, lower non-quality costs&#8230;), it requires a controlled transition.<\/p>\n<h2>Why Choose MWT Sourcing to Implement JIT in Your Production?<\/h2>\n<h3>MWT Sourcing\u2019s Expertise in Production Process Optimization<\/h3>\n<p>MWT Sourcing has supported manufacturers for years in transforming their logistics organizations. Their expertise covers the entire chain: on-site diagnostics, flow audits, stock analysis, supplier capacity evaluations, and KPI definitions. A specialist in Just-in-Time, MWT Sourcing offers a proven methodology to align operations with lean manufacturing principles.<\/p>\n<h3>Tailored Solutions to Meet Your Needs<\/h3>\n<p>Every company has its specifics: space constraints, production pace, seasonality, supplier dependency\u2026 That\u2019s why MWT Sourcing designs fully customized JIT solutions. The team tailors each lever (planning, procurement, real-time management, digital tools) to <b>your operational goals<\/b>.<\/p>\n<h3>Complete Support for a Successful Transition to JIT<\/h3>\n<p>MWT Sourcing mobilizes a multidisciplinary team to map your flows and set stock targets with each supplier. <b>Regular audits<\/b> verify KPIs, correct deviations, and safeguard JIT against logistical risks.<\/p>\n<h2>Common Mistakes When Implementing JIT and How to Avoid Them<\/h2>\n<h3>Neglecting the Importance of Communication with Suppliers<\/h3>\n<p>Without a shared plan, even the best method fails. Weekly reviews, <b>transparent KPIs<\/b>, and a hotline address issues before they reach the shop floor.<\/p>\n<h3>Underestimating Risk Management in a JIT System<\/h3>\n<p>Relying on a single carrier or port can halt production. Double your routes, pre-pack an emergency kit, and set an automatic alert when cumulative delivery deviates by an hour!<\/p>\n<h3>Ignoring the Need for Reliable Flow Management Technology<\/h3>\n<p>Diverging spreadsheets cause disruptions. A unified software ensures data consistency and <b>system stability<\/b>.<\/p>\n<p>JIT requires discipline, <b>communication<\/b>, and <b>time management<\/b>. With expert guidance and reliable data, it becomes a real competitive advantage: less capital tied up, more <b>flexibility<\/b>, <b>production<\/b> <b>aligned<\/b> <b>with demand<\/b>, and better customer service.<\/p>\n","protected":false},"excerpt":{"rendered":"In an industrial context marked by pressure on costs, the scarcity of storage space and the need for responsiveness, the JIT method (for \u2018Just-In-Time\u2019), often referred to as \u2018just-in-time\u2019, remains a major lever. It involves producing the right quantity at the time defined by actual demand. The aim is twofold: to reduce stock to an absolute minimum and to improve the flow of products throughout the value chain.","protected":false},"author":2,"featured_media":2151,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[21],"tags":[],"class_list":["post-2153","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"acf":[],"_links":{"self":[{"href":"https:\/\/mwtsourcing.com\/en\/wp-json\/wp\/v2\/posts\/2153","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mwtsourcing.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mwtsourcing.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mwtsourcing.com\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/mwtsourcing.com\/en\/wp-json\/wp\/v2\/comments?post=2153"}],"version-history":[{"count":1,"href":"https:\/\/mwtsourcing.com\/en\/wp-json\/wp\/v2\/posts\/2153\/revisions"}],"predecessor-version":[{"id":2154,"href":"https:\/\/mwtsourcing.com\/en\/wp-json\/wp\/v2\/posts\/2153\/revisions\/2154"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mwtsourcing.com\/en\/wp-json\/wp\/v2\/media\/2151"}],"wp:attachment":[{"href":"https:\/\/mwtsourcing.com\/en\/wp-json\/wp\/v2\/media?parent=2153"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mwtsourcing.com\/en\/wp-json\/wp\/v2\/categories?post=2153"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mwtsourcing.com\/en\/wp-json\/wp\/v2\/tags?post=2153"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}