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In today’s ever-shifting business environment, the art of project management has become a mixed medium. Organizations must mix and match methodologies to stay on top of things and use amalgamations that best fit their work style. Regardless of the method, incorporating Kanban practices is essential for maintaining an efficient and structured workflow. One of these practices is the process of Kanban inventory management. This blog examines the benefits of employing a Kanban inventory, its key components, practical application, and primary challenges faced during implementation. 

What Is Kanban Inventory Management?

Kanban is a scheduling system from the 1940s used to carry out lean and just-in-time (JIT) manufacturing. It is most commonly used in Agile project management to increase communication, transparency, and visibility of the workflow. The main purpose of Kanban, at the time of its inception, was to manage work and inventory as efficiently as possible throughout production.

Kanban inventory management works by aligning products available with their actual consumption. It aims to manage products on a made-to-order basis where only the minimum number of resources are kept at supply points. Inventory levels and production processes are managed through visual signals in the shape of Kanban cards. When inventory runs low, these cards signal when to produce or order more materials. A made-to-order system minimizes waste by ensuring that new materials only come in when they are needed. 

What Are The Benefits Of Kanban Inventory Management?

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Applying the Kanban method to your inventory management has several benefits, some of which are as follows: 

Optimal Inventory Levels

A Kanban ordering system helps businesses accurately track inventory consumption and allows them to restock accordingly. Setting an optimal level and sticking to the limit not only results in a cleaner warehouse that is easier to manage but also prevents overstocking and consequent waste of resources. 

Enhanced Efficiency 

True to its purpose, kanban inventory prevents inventory buildup by setting limits on supply points. Unnecessary tasks and steps are eliminated, and more focus is given to value-adding activities. Visualizing processes and inventory levels helps quickly identify areas for improvement and prevent potential bottlenecks. The “pull” system ensures that production is done according to demand, reducing lead times and faster production times. 

Better Status Reports 

With inventory restocks being determined by customer’s demands, a Kanban supply chain system provides managers with better status reports and a more efficient way of keeping up with progress. Customer demands are identified and met quicker, tracking product popularity becomes easier, and the workflow becomes cohesive.

Better Visibility Of Workflow 

One of the major benefits of a Kanban inventory system is the increased visibility of the workflow. Cards and boards both represent tasks in a way that allows teams to see the status of work at a glance. Heightened visibility makes it easier to track progress, inventory levels, and identify potential bottlenecks before they become major issues. Better visibility also allows for more transparency and accountability for work. 

Prevents Overproduction And An Obsolete Inventory 

The Kanban inventory management system aims to prevent increased costs and wasted resources due to unnecessary overproduction. Companies can use Kanban tools to align production schedules with actual demand, resulting in total consumption and, ideally, zero waste. Kanban cards signal when new materials are needed, and businesses avoid wasting time on producing products that are not popular with customers. Only producing what is necessary results in a leaner, more Agile system of operations.

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What Are The Key Components Of A Kanban Inventory System?

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The Kanban system of inventory management functions on cards, boards, and the “pull” system. Kanban cards are distributed on various boards representing different production stages and the availability of materials in the supply chain. Along with the core principles of the Kanban method, the following are common elements of the Kanban inventory system: 

  • Production Kanban – The production kanban is a visual cue signaling the beginning of production. This card triggers the whole production process, lists all the required materials, and details the quantity they are needed in
  • Withdrawal Kanban — Withdrawal Kanban cards are also known as conveyance cards, as they highlight when one task needs to move to the next board. For inventory, a withdrawal kanban card would hold the details of the product or material in demand and indicate it be moved from inventory onto the next stage of production
  • Emergency Kanban – Emergency Kanban cards deal with unforeseen circumstances that require immediate attention. Such cards are used to inform the team working on the product of any defect or a change in the required quantity
  • Express Kanban – Express Kanban cards are like emergency Kanban cards and signal the shortage of materials needed urgently. These cards are also used in situations where immediate action is required, but unlike emergency Kanban, they only allude to specific items rather than overall problems or defects
  • Pull System – The Pull system refers to the practice of waiting for demand to ‘pull' supply rather than to stock up on materials beforehand. This system ensures minimum waste production and maximizes efficiency

How To Implement A Kanban Inventory System?

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Implementing Kanban manufacturing and inventory system helps organizations effectively apply Lean methodology in their production process. The following are the steps you can take to get started: 

  1. Study Current Workflow – Analyze the processes your organization is currently following and look for areas needing improvement. Identify places and practices that might be wasteful, resulting in bottlenecks and delays
  2. Draft A Kanban System – Depending on your specific needs, design a Kanban system that supports and covers all requirements. As a starting point, set signal points on supply chains, a suitable number of Kanban inventory cards, and boards depicting various stages of the production process
  3. Set WIP Limits – One of the core principles of Kanban is to cap the number of tasks allowed in the work–in–progress (WIP) at a time. For your inventory, there should be a limit on no. of parts in production within a set time frame. Limiting WIPs helps avoid overloading and overproduction and ensures all products are sold before more are produced
  4. Stay Vigilant – Ensure your team is trained and prepared to use the Kanban system effectively. It is essential to monitor progress and keep a close eye on how your Kanban inventory system is performing. Using data provided by the system as feedback helps to further refine the process

Possible Challenges While Implementing Kanban

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No system is without its due challenges. The following are some common difficulties organizations might face when implementing a Kanban inventory system 

1. Oversimplification Of Tasks 

If all tasks are represented by simple cards, there is a possibility they start to lack detail. An oversimplification of tasks might lead to lesser clarity. To counteract this, tasks should be broken down into smaller, more manageable steps and those, in turn, should be represented in each Kanban inventory card.

2. Lack Of Forced Prioritization 

All Kanban cards appear equal on boards, making it hard to determine priority tasks needing immediate attention. Without a prioritization system intact, tasks may become stagnant and lead to delays. 

3. Hoarding Tickets 

Limiting WIP is done to prevent the hoarding of tickets. The more active tickets there are at a given time, the harder it is to concentrate on one task. Encourage members to work on tasks they can complete to keep the system moving. 

4. Lack Of Refinement 

Without regular refinement or grooming of the board, old, irrelevant, or poorly defined tasks can clutter the workflow and hinder productivity. To prevent confusion and errors, regularly review your processes to ensure tasks are aligned with the project's overall goals. 

5. Human Negligence 

One must always allow room for error on account of human negligence. Team members might mistakenly not adhere to the WIP limits, forget to update cards, and not wait for demand to pull progress forward. Proper training and a culture of accountability can help minimize human errors. 

6. Organizational And Cultural Challenges 

The successful implementation of a Kanban system requires buy-in from all team members and alignment with the organization's culture. Resistance to change or lack of collaboration can hinder the effectiveness of the system. 

Recommendations To Optimize Kanban System Of Inventory Management

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Getting the hang of the Kanban system of inventory management is a practice that requires continuous effort and refined processes. The following are steps you can take to optimize the Kanban manufacturing process: 

  1. Review Kanban Boards – Update your Kanban boards regularly and keep on top of tasks by updating them on time. Your cards should accurately reflect your work and progress
  2. Use Automation Tools – Repetitive tasks can be automated to increase accuracy of data and enhance efficiency. Automation tools can help reduce human error and free up resources
  3. Enhance Communication – The Kanban system necessitates interdependence among team members, as each Kanban task forms a vital part of the lean manufacturing cycle. Foster collaboration and invite feedback by encouraging team members to identify problems, suggest solutions, and implement changes
  4. Align Kanban With Business Goals – Ensure that your Kanban system aligns with your overall objectives. Measure your key performance indicators regularly to determine the impact of using Kanban
  5. Utilize Software – Make use of a myriad of software available to boost the capabilities of your Kanban system. Project management tools such as Trello or Asana Software offer features for maintaining a Kanban inventory

Kanban inventory management helps teams enhance the overall efficiency of their workflows, optimize inventory levels, and organize tasks. Employing a Kanban supply chain requires vigilance and careful monitoring, but the benefits are worth the effort. Using specialized Kanban software to set up your system helps overcome common challenges and fosters a collaborative environment.