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// CASE STUDIES

Injection Mold Case Studies

Two-Shot, Insert Overmold & Multi-Cavity Tooling for Tier-1 Buyers

A selection of recent PALUM tooling projects shipped to automotive, medical, electronics and appliance customers in 70+ countries — with redacted process data and real production outcomes. Every cavity is trial-validated before shipment.

70+
EXPORT COUNTRIES
35
MOLDS SHIPPED / MONTH
<1%
AVG. REJECT RATE
16+
YEARS SINCE 2010

Recent Molds From PALUM

Recent Molds From PALUM

Two-shot, overmold and multi-cavity molds for tier-1 buyers worldwide. Click any case for the full project breakdown.

Coolant Expansion Tank Injection Mold
AUTOMOTIVE

Coolant Expansion Tank Injection Mold

Twin-cavity injection mold with hot-runner manifold and hydraulic cores for a vehicle coolant reservoir — uniform wall thickness with in-mold water circuits.

TYPE Injection
CAVITIES 2
MATERIAL PP
Automotive Structural Member Mold
AUTOMOTIVE

Automotive Structural Member Mold

Structural member mold with sequential valve gating — weld lines moved off all cosmetic faces; runs on presses up to 320 T.

PRESS ≤320 T
GATES SVG
MATERIAL PP+T20
Interior Trim Over-Molding Mold
AUTOMOTIVE

Interior Trim Over-Molding Mold

Over-molding tool for interior trim — a second material is molded over the substrate in one tool, with eight angled lifters releasing every undercut in a single stroke.

TYPE Over-Molding
LIFTERS 8
MATERIAL PP
8-Cavity Housing Mold and Hot Runner
ELECTRICAL

8-Cavity Housing Mold + Hot Runner

Valve-gated hot runner on eight cavities — zero gate vestige on any visible face.

CAVITIES 8
RUNNER Hot tip
GATE Valve
Angled Tube Fitting Mold
AUTOMOTIVE

Angled Tube Fitting Mold

Long-stroke sliders form the 45° channel in one shot — no secondary machining.

SLIDERS 2×180 mm
ANGLE 45°
MATERIAL PA66-GF30
Quick-Connector Mold
AUTOMOTIVE

Quick-Connector Mold

Brass inserts loaded in-mold; a two-stage core pull forms the elbow and locking fingers.

INSERT In-mold
CORES 2-stage
MATERIAL PA12
Air Intake Manifold Gas-Assist Mold
AUTOMOTIVE

Air Intake Manifold Gas-Assist Mold

Gas-assist injection molding with hydraulic core pull — the high-pressure nitrogen hollows out the PA6-GF30 manifold, leaving a smooth inner passage.

PROCESS GIT
CORE PULL Hydraulic
MATERIAL PA6-GF30
Transparent Manifold Mold
MEDICAL DEVICES

Transparent Manifold Mold

Medical-grade transparent manifold tool, cavities polished to SPI A1 for scratch-free clarity.

POLISH SPI A1
MATERIAL PC
CLASS ISO 13485
Automotive Parts Mold with Hydraulic Cores
AUTOMOTIVE

Automotive Parts Mold, Hydraulic Cores

One large automotive-parts mold shown from both sides — hydraulic cores and water-assist channels plumbed and proven in-house.

PROCESS WIT
CORES Hydraulic
PRESS 1300 T
Two-Shot Connector Mold 4-Cavity
ELECTRICAL

Two-Shot Connector Mold, 4-Cavity

Two-color (2K) connector mold — four cavities mold hard PA66 housing and soft seal in one shot, no assembly needed.

TYPE Two-Shot
CAVITIES 4
MATERIAL PA66
16-Cavity Preform Mold
PACKAGING

16-Cavity Preform Mold

Balanced hot runners and an 8-second cycle on sixteen preform cavities.

CAVITIES 16
CYCLE 8 s
RUNNER Balanced
Power Supply Accessory Shell Mold
ELECTRICAL

Power Supply Accessory Shell Mold

Two-plate shell tool for power-product accessories — high-gloss cosmetic faces plus grain texture built into one mold.

FINISH Gloss+Grain
STEEL 718H
STRUCTURE 2-plate
// WHY BUYERS COME BACK

Numbers Behind Every Case

Locked process windows, real-time SPC and a direct line to the factory floor.

5,000 m²
In-house mold floor
55
Trained mold makers
350–400
Molds delivered yearly
100%
Cavities trial-validated

// FAQ

Buyer Questions

Yes. We keep a confidential case library across automotive, medical, electronics and appliances. Contact us with your application and we will share redacted references.

Yes. We sign a mutual NDA before any detailed case, drawing or cavity data is shared.

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