Lean Kaizen in Plastic Manufacturing

From Scrap & Changeovers to Flow, Quality and Speed

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Plastics plants producing caps, closures, containers, jars, jerricans, PET bottles, battery casings and other technical parts typically handle a wide SKU mix, frequent mould/colour/material changes and tight dimensional and aesthetic requirements. Common pain areas include long changeovers, high start-up scrap, leakage and defects, unstable weights, congested shopfloors filled with WIP, and chronic breakdowns that keep OEE low.


Lean Kaizen Core Levers for Plastics – Injection, Blow, PET & Technical Parts

SMED and quick changeovers

Separating internal/external activities, pre-staging moulds and change parts, standardising clamp heights, ejector lengths, water/air connections and task division to cut changeover time sharply.

TPM and Autonomous Maintenance

Restoring basic conditions, cleaning with meaning, abnormality tagging, AM step 1/2/3 to stabilise machines, reduce repetitive breakdowns, bring OEE & minor stoppages under control.

Standard work and skills

Clear, visual SOPs and checklists for start-up, shut-down, parameter setting, trimming, joint-making and inspection, reinforced through skill matrices and TWI-style Job Instruction.

Flow, 5S and material handling

Moving from cluttered, zig-zag layouts to flow-oriented, well-marked workspaces with poi-ntof-use tooling, FIFO lanes, defined pallet stack heights and visual limits for regrind and WIP.

Defect, leakage and variation reduction

Using QC stories, Why-Why analysis, basic SPC/CP-CPK, PM analysis to stabilise critical dimensions with simple Poka-Yoke on fixtures, venting, clamping and handling to prevent cracks, leaks, short-shots, warpage etc.

Daily Work Management

Simple visual boards with key KPIs (OEE, scrap, rework, breakdown hours etc) reviewed in short huddles to drive daily problem solving and sustain improvements.

Our Impact in Plastics Industry

0 % -50

Changeover time reduction

+ 0 % +25

OEE / operator productivity improvement

0 % -30

Material waste reduction

0 % -45

Raw material and finished goods inventory days reduction

Our Plastics Sector Expertise

Plastic Containers (Jars, Jerricans, Household & Caps)

We help streamline changeovers, layouts and material flow so operators spend more time moulding and less time searching, walking and waiting. SMED and standard work cut mould and colour change times, while 5S, visual controls and TPM reduce leaks, breakdowns and scrap driving higher uptime and more reliable deliveries.

Battery Casings & Technical Parts

We focus on improving process capability, quality at source and robust maintenance. Using QC-story, Why–Why and PM analysis, teams attack recurring dimensional and leak issues and standardise correct methods. With TWI-based skill building and daily management, plants cut rejections and rework while increasing confidence in every shipment.

PET Bottles

We help standardise recipes and set-up, simplify mould changes and build strong operator routines for start-up and quality checks. By organising mould stores, tools and spares and embedding visual standards, plants are able to cut start-up scrap and reduce changeover time leading to improved OEE.


What to Expect

Reduced OEE losses (Changeovers, Breakdowns, Setting times)

Reduction in scrap and rework

Reduction in blowholes, pin holes, color variations, warpage & dimensional defects

Reduction of raw material wastages such as spillages, leakages, excess BOM consumption

Higher and more stable output from existing machines

Freed-up floor space and smoother material flow

Stronger ownership and problem-solving by supervisors and operators


Our Plastic Clients

Afroplastics, Kenya

Besmak Components, India

Blowplast, Kenya

Garware, India

JJ Plast alloys, India

Madaplast, Madagascar

Precision Plastics, Kenya

Sintex Plastics, India


Our Clients Results

CASE STUDY

Plastic products manufacturer improves OEE, cycle time and rejections through TPM

Plastics

By deploying TPM and Lean Kaizen across critical machines, the plastic plant reduced cycle times, cut trim and rejection losses, lowered power consumption per kg and improved productivity on key assembly lines without major capital investment.

Lean Kaizen turns cluttered, breakdown-prone moulding shops into stable, high-velocity operations with fewer defects, faster changeovers and operators who know exactly how to run to standard, every shift.

Connect with our Experts!

With experience across diverse industries and challenges, we deliver unparalleled insights and solutions especially designed as per the needs. For more details, contact us today!

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