Description

Technical Parameters

Mould Specifications

Mould name	Stringer Pallet Mould
Product material	HDPE, plastic
Product Size	1200X1000X150mm
Product weight	12.5~15 kgs
Mould material for cavity &. Core	P20
Mould base	C45
Injection system	Hot runner
Suitable injection machine	2800T
Mould size	2000X1850X950mm
Mould lifetime	more than 300,000pcs

What Is The Plastic Stringer Pallet?

A Plastic Stringer Pallet is a type of pallet made from high-density polyethylene (HDPE) or polypropylene (PP) using injection molding or structural foam molding. It features longitudinal support beams (stringers) for strength, similar to traditional wooden stringer pallets but with added durability and hygiene benefits.

Key Features of Plastic Stringer Pallets:

>Stringer Design – Reinforced plastic beams running lengthwise for structural support.

>Two-Way Entry – Forklifts/pallet jacks can only lift from the sides (unless modified for four-way entry).

>Lightweight Yet Strong – Typically lighter than wood but can handle heavy loads (1,500–3,000 kg dynamic capacity).

>Smooth or Textured Surface – Anti-slip deck options improve load stability.

>Weather & Chemical Resistant – Won't rot, splinter, or absorb moisture like wood.

Advantages Over Wooden Stringer Pallets:

>Longer Lifespan – Resists cracks, pests, and UV degradation.
>Hygienic & Easy to Clean – Ideal for food, pharmaceuticals, and chemicals.
>No Nails or Splinters – Safer for workers and products.
>Eco-Friendly Options – Often made from recycled plastics and 100% recyclable.
>ISPM 15 Compliant – No heat treatment needed for international shipping.

Comparison with Other Plastic Pallets:

Feature	Plastic Stringer Pallet	Plastic Block Pallet	Nestable Plastic Pallet
Forklift Entry	Two-way (side only)	Four-way (all sides)	Usually two-way
Strength	High (stringer-based)	Very high (block design)	Moderate
Stackability	Moderate	High	High (nestable when empty)
Cost	Lower than block pallets	Higher	Mid-range

How Can A Stringer Pallet Mould Be Manufactured With Quality?

1. Design: Start by creating a precise and detailed design of the stringer pallet mould. This design should take into account the dimensions, shape, and structure of the mould to ensure that it meets the required specifications.

>3D CAD Modeling

Use advanced software (e.g., SolidWorks, AutoCAD) to design the mould with exact dimensions, including stringer beams, deck boards, and reinforcement ribs.

Simulate plastic flow (Moldflow analysis) to prevent defects like warping or sink marks.

>Gate & Runner System

Optimize gate locations (preferably hot runner system) for even plastic distribution.

Ensure balanced filling to avoid weak spots in the pallet.

Material selection: Choose high-quality materials for constructing the mould. Quality materials will ensure durability and longevity of the mould, allowing it to withstand the rigors of production and usage.

>Pre-hardened steel (P20, 718H) for standard pallets.

>Hardened steel (H13, S136) for high-wear areas (e.g., gates, cores).

Precision machining: Use advanced machining techniques to accurately cut, shape, and finish the mould components.

>High-Precision CNC Milling: Machines the mould cavities and cores with tight tolerances (±0.02mm).

>Wire/Spark EDM (Electrical Discharge Machining): Used for intricate details (e.g., anti-slip textures, stringer profiles).

>Deep Hole Drilling: For efficient cooling channels to reduce cycle time.

Quality control: Implement strict quality control measures throughout the manufacturing process to identify and rectify any defects or issues early on.

>CMM (Coordinate Measuring Machine): Ensures dimensional accuracy.

>Hardness Testing: Confirms steel durability (Rockwell C scale).

>Surface Inspection: No scratches, pits, or machining marks.

Testing: Before finalizing the manufacturing process, conduct thorough testing of the stringer pallet mould to ensure that it functions as intended. This may include testing for durability, accuracy, and performance under various conditions.

Maintenance & Longevity

>Regular Cleaning & Lubrication: Prevents corrosion and sticking.

>Monitor Wear: Replace cores/inserts if erosion affects part quality.

Design For Product &. Mould

Package &. Delivery

Mould Components

Mould Steel

Hot Runner System

Standard Parts

Hot Runner Injection System

A Hot Runner Injection System is an advanced injection molding technology used to produce plastic parts (like pallets) with higher efficiency, reduced waste, and improved consistency compared to traditional cold runner systems.

A.How It Works:

1.Heated Manifold – Keeps molten plastic in a liquid state inside the runner system.

2.Nozzles & Gates – Directly inject plastic into the mold cavity without solidifying between cycles.

3.Temperature Control – Precise heating ensures even flow and prevents material degradation.

B.Key Components:

>Hot Manifold – Distributes molten plastic to multiple cavities.
>Heated Nozzles – Deliver plastic to the mold gates.
>Thermocouples & Controllers – Maintain optimal temperature.
>Valve Gates (Optional) – Allow sequential or shut-off control for complex parts.

C.Advantages for Plastic Pallet Molding:

1.No Runner Waste – 100% material usage (vs. 15-30% waste in cold runners).

2.Faster Cycle Times – No need to eject and recycle solidified runners.

3.Consistent Quality – Reduced pressure drop and better flow control.

4.Lower Energy Costs – Despite heating, avoids reprocessing scrap.

FAQ

>1. Are you a factory or trading company? May i come to visit your factory?

We are a factory most professional in producing plastic products,such as plastic pallet, plastic storage box, plastic dustbin, turnover crate box etc. Warmly welcome to visit our factory!

>2. What materials are used in the manufacturing of Stringer Injection Pallet Moulds at your factory?

We use high-quality steel materials such as P20, 718, and 2316 in the manufacturing of our Stringer Injection Pallet Moulds. These materials are durable and ensure a longer lifespan for the moulds.

>3. Can you customize the design of the Stringer Injection Pallet Moulds according to our specific requirements?

Yes, we offer customization services for our Stringer Injection Pallet Moulds. Our experienced design team can work with you to create a mould that meets your specific requirements and specifications.

>4. What is the production capacity of your factory for Stringer Injection Pallet Moulds?

Our factory has a high production capacity for Stringer Injection Pallet Moulds, and we can fulfill large orders in a timely manner. Our production process is efficient and streamlined to ensure quick turnaround times for our customers.

>5. Do you provide after-sales support for your Stringer Injection Pallet Moulds?

Yes, we offer after-sales support for all of our products, including Stringer Injection Pallet Moulds. Our dedicated customer service team is available to assist with any issues or concerns that may arise after you have received your moulds.

>6. What is the lead time for ordering Stringer Injection Pallet Moulds from your factory?

The lead time for ordering Stringer Injection Pallet Moulds can vary depending on the size and complexity of your order. However, we strive to deliver all orders in a timely manner and will provide you with an estimated lead time at the time of your order. Typicaly it takes around 55-65days for T1.

>7. Can you provide samples of your Stringer Injection Pallet Moulds before shipping?

Yes, we can provide samples of Stringer Injection Pallet Moulds for you to inspect and test before shipping the moulds. This will allow you to ensure that the moulds meet your requirements before making a larger investment.

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