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Manufacturing Equipment Fabrication: Cell for Wide-Mouth, Tamper-Evident Plastic Closure

A client in the plastics industry presented us with a challenge: Create a product whose requirements were beyond any currently available process. The project called for production of manufacturing equipment for a 70 mm wide-mouth tamper-evident plastic closure that would run at 900 cpm. To fulfill this project, we would need the new process to run at double the speed of what was available at the time. We worked with and invented several new patented processes and mechanisms and built the manufacturing cell that would compression mold a wide-mouth shell at 900 cpm, slit and line at 1000 cpm, inspect, and package the caps for shipment.

Re-engineering the process through prototype development and testing, we met all of our customer's specifications. The process cycle time went from 18 seconds to 3.8 seconds. JB Tool & Die has the experience and the resources to manufacture solutions.

To learn more about this manufacturing cell fabrication project, please see the table below or call us directly.






Manufacturing Equipment Fabrication Project Highlights

Capabilities Applied/Processes

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Casting
Controls Design-Build-Programming
EDM
Engineering
Grinding
Heat Treat
Machining
Polishing
Turning
Welding

Tightest Tolerance
.0002"

Material Types
Aluminum
Machine Steels
Plastics
stainless steel
Tool Steels

Industry for Use
Plastic Closure

Standards Met

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Customer Specifications
FDA-GMP

Product Name
Manufacturing Cell for Wide-mouth, Tamper-Evident Plastic Closure

Project Scope
Develop product from prototype through production process implementation. Customer requirements beyond any process in existence at project start.

Design Work

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CAD Modeling
Concurrent Engineering
FEA
FMEA
High Speed Video
Process Development
SPC
Thermal Imaging

Process Description
  • Compression mold Wide-mouth shell @ 900 cpm
  • Cool product
  • Orient for finishing operations
  • Slit and Line at 1000 cpm
  • Video inspect product
  • Package product for shipment

Project Description
  • Customer presented goal to produce a large diameter closure (70 mm)
  • At time of project start, closest available methodology capable of 400 cpm on 63 mm platform
  • To be able to justify the project and be successful, the new process would need to run at over double the current speed
  • Several new processes & mechanisms required invention (14 patent applications with 7 awarded)
  • Through prototype development and testing, a 3.8 second cycle time was achieved over existing process capability of an 18 second cycle time



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