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RFID WORK IN PROGRESS TRACKING SYSTEM

Enabling Gecolen RFID technology to track work in progress (WIP) during manufacturing production provides vital data that can be accessed in real-time to give managers greater visibility into the production process. Most manufacturing environments require products to go through a series of distinct assembly stages. The subassemblies or raw materials become WIP and are passed from one station (or location) to another. This is where our cloud and RFID-based WIP Tracking Solution provides the advantage as each WIP can be uniquely identified using RFID tags.

RFID Solutions

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HERE’S WHAT YOU NEED TO KNOW TO CHOOSE A SYSTEM THAT’S RIGHT FOR YOUR COMPANY

When you’re making items composed of many parts, such as airplanes, automobiles, high-tech and consumer electronic devices, machinery, or medical equipment, it’s essential—but difficult—to keep track of work in progress (WIP). As many components and subsystems are assembled into individual products, discrete manufacturers need to ensure that the right parts make their way from warehouses to bins to assembly lines when they’re needed.

 

It’s also critical that the correct parts are diverted at the right time to the proper locations for painting, subassembly, or other work before they can be brought together and incorporated into the final product. Many discrete manufacturers try to track WIP manually, using paper-based logs or entering data into computers or handheld noting devices—all methods that are prone to error, thanks to human fallibility. Even manufacturers that have automated the process using bar-code scanners find that workers often forget to scan some parts or circumvent the system for other reasons. Typically, managers aren’t alerted to errors soon enough, so they cause problems down the line. RFID WIP also can improve quality control by tracking each step to make sure it was carried out correctly.

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CLIENT CONTEXT AND BUSINESS CHALLENGES

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    • Tracking work in process with radio frequency identification gives you real-time visibility into your processes and operations, which, in turn, saves time, improves quality, enhances data acquisition, and reduces costs.
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    • WIP solutions help companies achieve this. By positioning RFID components at different points on the production line, items passing that point can be identified without human intervention.
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    • One of the case studies in automotive: Tracking in Paint Shop with MES Integration.
    • Due to the harsh (heat & chemical) environment in which the car body passes through in the paint shop, the visibility and tracks are lost. There is a need for a robust and reliable identification & tracking system.

    • The system should identify the car body/carrier at every pre-defined strategic location with a time-stamp of presence.

    • Temperatures in ovens can go up to 210 C.

    • Chemical coating & paint layers.

    • Real-time tracking of car bodies in the manufacturing cycle and data integration with the existing Mechanical Execution System (MES).

    • Low maintainability since access to the identification location is not easy & is generally harsh.
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APPROACH / DIFFERENTIATION

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  • We deployed a hybrid system for tracking using RFID & its IoT Gateways. HF tags from EMS were chosen which can withstand temperatures up to 210 C and the paint layers & chemical coatings.
  • All the field readers are connected to our middleware which in turn is integrated into MES.
  • Time synchronization attempts to send transactions, reader status, etc. are all performed in the middleware.
  • Body presence signals at transfer points are taken into our controller & read commands are triggered basis that.
  • With almost no latency, the movement of cars is recorded in MES.

BENEFITS ACHIEVED

 

  • Complete visibility of cars in the paint shop is being achieved. Basis the tracking info, multiple work instructions are passed onto the concerned & robots.
  • Solutions can be designed to add these capabilities to existing manufacturing processes using compact sensing devices to show which steps each work item has passed through with LIVE dashboards.

 

BENEFITS OF RFID WIP TRACKING SYSTEM

 

  • We deployed a hybrid system for tracking using RFID & its IoT Gateways. HF tags from EMS were chosen which can withstand temperatures up to 210 C and the paint layers & chemical coatings.

  • All the field readers are connected to our middleware which in turn is integrated into MES.

  • Time synchronization attempts to send transactions, reader status, etc. are all performed in the middleware.

  • Body presence signals at transfer points are taken into our controller & read commands are triggered basis that.

  • With almost no latency, the movement of cars is recorded in MES.

  • Maintains item-level process information in the RFID tag itself.

  • Eliminates the need for separate paperwork on process status and content.

  • Field personnel could use RFID tag data to determine product features, model & date-time, etc.

  • Real-time data and tracking will help with production planning.

  • Improves staff productivity and overall utilization of assets/pallets.

  • Identification of inefficiencies and reasons for loss/failure along the assembly line through analysis of data records collected using RFID tags.

  • Life cycle management and accurate stage-wise processing through data collection and tracking of in-process and finished goods.

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