Plastic Refrigerator Drawer mould

Zhongyue Mould boasts a dedicated professional R&D team for Plastic Refrigerator Drawer mould in China, specializing in the production of a wide range of Moulds for refrigerator interior components. Leveraging advanced refrigerator injection Moulding technology, we provide not only high-quality refrigerator Moulds but also finished Moulded products.

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Product Description

Refrigerator drawers are complex, large-scale plastic components that demand high precision in mould design. This case study details how Zhongyue Mould engineered a high-performance solution for a PS (Polystyrene) refrigerator drawer, addressing challenges in deMoulding, cooling, and structural integrity.

Mould Name	Plastic Refrigerator Drawer mould
Mould Meterial	P20,2738,718H,NAK80,2316,S136,H13,etc
Mould Base	Self-made,LKM,DME,ASSAB
Cavity	Single/multi
Runner	Cold runner and hot runner
Hot Runner Brand	Master, HUSKY,YUDO,etc.
Degsin Software	UG:Aoto CAD and so on
Mould Life	50-100 million Shots/ 5-6 years, Even in 10 years in good maintenance
T1 Time	45-60 days
Plastic Material	PC ABS
Gate Type	Pinpoint Gate, Edge Gate, Sub Gate, Film Gate, Valve Gate, Open Gate, etc.
Mould Surface Treatment	EDM, texture, high gloss polishing
Quality System	ISO9001
HS Code	8480719090
Origin	Huangyan Zhejiang China
Package	Wooden Case
Mould material	Hardness	Mould life
P20	HRC 28-33	>300,000 shots
718	HRC 33-36	>500,000 shots
H13	HRC >43	>800,000 shots
2344	HRC >48	>800,000 shots
S136	HRC 48-52	>1,000,000 shots

Make your next Refrigerator Mould project brighten!

1. Complex Part Structure Analysis

The refrigerator drawer features a complex geometry, including:

An arched surface on the upper front side.

Multiple buckles (on the front center, inner surface, and both sidewalls).

A narrow skirt (approx. 8 mm wide) along the mouth of the drawer.

To overcome deMoulding challenges, we implemented a hybrid solution combining fixed Mould sliders, side sliders, and an oblique push deMoulding mechanism to release all undercuts without damaging the transparent PS part.

mould cooling analyzing mould flow analyzing

2. Zhongyue Mould: Plastic Refrigerator Drawer Mould Structure Overview

Section	Component / System	Key Technical Features & Design Logic
2.1	Front Side Slider	Structure: Integral design for high strength. Aesthetics: Slide groove hidden on the seat to prevent witness lines on the visible surface.
2.2	Side Slider Mechanism	Structure: Inclined guide pillar + slider. Manufacturing: Split design (slider + seat) for ease of machining and maintenance.
2.3	Oblique Push Mechanism	Structure: T-slot system for inner handle buckle. Performance: Dual push rods ensure balanced movement; angled slot matches buckle draft.
2.4	Advanced Ejection System	Structure: Three-piece U-shaped push plate. Function: Inlaid design prevents jamming; flat push rod ensures synchronized movement.
2.5	Vacuum Breaking Device	System: Dual blowing units (moving & fixed Mould). Operation: Sequential activation to prevent vacuum cracks during Mould opening.
2.6	Hot Runner System	Component: Mould-Master Needle Valve Nozzle. Gate Design: Recessed gate location to conceal weld marks.
2.7	Mould Base & Alignment	Structure: Integral fixed plate + insert structure for moving Mould. Alignment: 10° conical pits and bosses for self-alignment.
2.8	Conformal Cooling System	Channels: Independent circuits for fixed Mould; zigzag internal channels for oblique push blocks. Benefit: Prevents cross-heating and ensures uniform cooling.

refrigerator drawer mould

3. Mould Workflow Summary

This two-plate Mould operates as follows:

Injection & Cooling: Hot runner fills the cavity; cooling channels solidify the PS.

Mould Opening: The moving Mould retracts. Sliders and oblique mechanisms begin deMoulding.

Ejection: The injection machine ejector activates the push plate system, lifting the drawer out.

Reset: The process reverses for the next cycle.

4. Premium Material Selection & Precision Machining

Material List:

Fixed Mould Plate: 2711 Pre-hardened Steel

Moving Mould Insert: 2311 Steel

Core Components (Sliders/Oblique Pushes): 2711 Steel with Nitriding (0.15 mm depth, 50-52 HRC)

Mould Base: Medium Carbon Steel 1050

Precision Machining Protocol:

Assembly-First Finishing: Critical moving parts (core, sliders, pushes) are assembled before final CNC finishing to eliminate step differences.

EDM Texturing: Push plates are electro-etched together to prevent visible parting lines.

Wire Cutting: Utilizes NC-provided references for micron-level alignment.

How we processing the project?

Plastic Air Conditioner Cover Mould

About us

Driven by the philosophy:

“Quality Makes the Future, Focus Creates Professional”

Zhongyue Mould is a leading company in the plastic injection air conditioner Cover mould industry. Our highly experienced team of engineers and designers have many decades of combined experience in plastic air conditioner Cover mould design and manufacturing. We provide a comprehensive service, specializing in the production of high-quality and high-precision air conditioner Cover moulds. We have also assisted numerous customers in customizing various types of plastic air conditioner Cover moulding lines.

We can also offer comprehensive assistance in the management of your production process. The procurement department will purchase high-quality raw materials, while the technical department will select the appropriate plastic formula. In accordance with the parameters of the plastic air conditioner Cover mould life requirements and market positioning, we will select the most suitable plastic air conditioner Cover parameters, structure, etc. Our extensive production capacity allows us to deliver plastic air conditioner Covers promptly, at competitive prices and with guaranteed quality.

Plastic Air Conditioner Cover Mould