PE Injection Molding Machine

The PE injection molding machine (Model RY-301, available in 2.5A and 3.5A double-color configurations) is the equipment that produces the realistic three-dimensional needles and leaves used in premium artificial Christmas trees. It melts PE (polyethylene) pellets, injects the molten plastic into a leaf-shaped mold, and produces molded PE leaves with the appearance and texture of natural foliage - a level of realism that flat PVC leaf production cannot match.

This page covers the PE injection molding machine specifically. It is one component in our PE leaf production system, which also includes the PE injection mold (the tooling that defines the leaf shape) and the robot arm (the automation unit that removes molded leaves from the machine). For the broader Christmas tree manufacturing equipment family, see our Christmas tree production series overview.

ONE PLASTIC manufactures this machine for artificial Christmas tree factories worldwide, including factories upgrading from PVC-only production to hybrid PVC/PE production lines.

What This PE Injection Molding Machine Produces

In a PE Christmas tree, every needle and leaf is an individually injection-molded PE part with a wire skeleton running through its centerline. The machine on this page is what produces those leaves.

Specifically, this machine is designed for:

Realistic 3D PE Leaves: Molded PE leaves replicate the curved, multi-faceted shape of natural conifer needles. Compared to flat PVC strips cut from film, PE leaves look more lifelike at every viewing angle.

Two-Color (Two-Tone) PE Leaves: This machine supports double-color injection in a single cycle, producing PE leaves with realistic color transitions - for example, darker green at the base graduating to lighter green at the tip. This is the appearance buyers expect from premium artificial trees.

Branch-Tip and Specialty Components: Beyond standard branches, the machine can also produce branch-tip components and specialty molded parts used in tree assembly.

Wire-Embedded PE Leaves: A length of PVC-coated iron wire is positioned in the mold cavity before each injection. The PE is then molded around the wire, embedding it inside the finished leaf. The wire gives each leaf its shape-retention and bendability.

How PE Leaf Injection Molding Works

The machine operates as part of an integrated PE leaf production cell:

1. Material Loading: PE pellets are fed into the machine's hopper. For two-color leaves, two separate PE colors are loaded.

2. Heating and Plasticizing: The pump core heats and melts the PE to injection temperature.

3. Wire Pre-Placement: Pre-cut PVC-coated iron wire is positioned in the mold cavity (typically by the operator or by the robot arm in fully automated cells).

4. Injection: The machine injects the molten PE into the PE injection mold, filling the cavity and embedding the wire.

5. Cooling: The molded leaf cools and solidifies.

6. Mold Opening and Removal: The mold opens. The robot arm reaches in and removes the finished leaf, transferring it to the next stage.

7. Cycle Repeats: The mold closes and the next injection cycle begins.

When integrated with both the PE mold and robot arm, the production cell runs continuously with operators mainly handling material loading, monitoring, and finished-leaf collection.

PE Injection Molding vs PVC Leaf Cutting

Both methods produce Christmas tree foliage, but they target different product tiers and use different equipment. This is one of the most important decisions for a factory planning Christmas tree production:

Many tree factories use both - PVC leaves for the inner branches that consumers do not see closely, and PE leaves for the outer visible layer where realism matters most. We can supply equipment for both processes, allowing hybrid production lines that balance cost and realism.

Machine Models and Configuration Options

The machine is available in three configurations to match different mold sizes and production requirements:

General machine specifications:

If you need help selecting between the three configurations based on your target leaf size and production volume, contact our team with your specifications.

Integration With PE Injection Mold and Robot Arm

The PE injection molding machine is one part of a three-component production cell:

When ordered together, these three components form a fully automated PE leaf production cell. The machine and mold can also be used without a robot arm in lower-volume operations, but production speed is significantly higher with the full system.

For the support wire that is embedded inside each PE leaf, see our PVC-coated iron wire page.

Who Should Choose This Machine

Factories Producing Premium PE Christmas Trees: Manufacturers whose product lineup includes high-end artificial trees with realistic foliage. PE injection molding is the standard production method for premium tree segments.

Factories Upgrading From PVC-Only Production: Existing tree manufacturers who currently produce only PVC trees and want to add a premium PE product tier to their offering. PE injection equipment is what enables that expansion.

Hybrid PE/PVC Production Lines: Factories producing trees that combine PVC leaves (for inner, less-visible branches) with PE leaves (for outer, visible layers). This hybrid approach balances production cost with finished-tree appearance.

Manufacturers Targeting Realistic-Leaf Markets: Buyers and brands in markets where consumers expect realistic appearance from artificial trees - typically higher-income retail markets and commercial/hotel decoration segments.

Contract Manufacturers: Factories producing PE tree branches on contract for tree brands, where the brand specifies PE leaves as part of their product specification.

Packaging And Shipping

Why Choose ONE PLASTIC?

Christmas Tree Industry Specialist: ONE PLASTIC focuses on artificial Christmas tree machinery. We supply not just this PE injection molding machine, but the full PE production cell (machine + mold + robot arm) and the related PVC equipment that many factories run alongside PE production. For PVC Christmas tree film and the rest of our material range, see the linked pages.

Complete PE Production Solution: Buying the machine, mold, and robot arm together from one supplier avoids the integration headaches that come from sourcing each component separately. The components are designed to work together in a coordinated production cell.

Two-Color (Two-Tone) Capability: The T2.5A and T3.5A configurations support two-color injection in a single cycle, which is the standard expectation for premium PE leaves.

Energy-Efficient Servo Motor: The servo motor system reduces electricity consumption compared to older injection equipment - a meaningful operating cost difference in markets with high electricity prices.

Spare Parts Support: We typically include common consumable spare parts inside the original shipping crate so factories without local industrial supply chains have replacements on hand.

Installation Guidance: Pre-shipment testing and installation guidance are provided. For factories setting up PE production for the first time, we can walk you through commissioning of the full production cell.

Frequently Asked Questions

What is this PE injection molding machine mainly used for?

This machine is specifically designed for producing PE artificial Christmas tree leaves. It works together with PE injection molds and robot arms to form a fully automatic PE leaf injection system, suitable for premium artificial Christmas tree manufacturing.

Can this machine produce two-color PE Christmas tree leaves?

Yes. The T2.5A and T3.5A configurations support double-color (two-tone) PE injection, allowing realistic color transitions in a single injection cycle. This produces a more lifelike appearance compared to single-color leaves.

What models are available?

The machine is available in three configurations: S2.5A (single color), T2.5A (two color), and T3.5A (two color, with larger mold size capacity). Each model differs in injection volume, mold size compatibility, and heating power. We can recommend the most suitable model based on your target leaf size and production requirements.

What materials can be used with this machine?

The machine is designed for PE (polyethylene) only. It is not suitable for PVC or PET, as those materials require different heating, pressure, and mold systems.

Does the machine support automatic production?

Yes. When used together with a robot arm, this machine forms a fully automated PE leaf production cell. Workers only need to load materials and monitor operation, helping reduce labor cost per leaf.

How is PE injection molding different from PVC leaf cutting?

PE injection molding produces realistic 3D molded needles using injection molding equipment and pre-positioned wire cores. PVC leaf cutting cuts flat PVC strips from film using cutting machines. PE is used for premium realistic trees; PVC is used for cost-effective volume production. Many factories use both for different parts of the same tree.

Can ONE PLASTIC provide a complete PE Christmas tree production solution?

Yes. We supply the PE injection molding machine, PE injection mold, and robot arm as a coordinated production cell, plus the PVC-coated iron wire used as the leaf skeleton. Combined with our PVC equipment range, we can supply a complete artificial Christmas tree production line from raw materials to finished components.

What is the lead time?

Lead time depends on order configuration and current production scheduling. Contact us with your target delivery date for a specific timeline.

Get a Quote

Looking for a PE injection molding machine for your artificial Christmas tree production?

• Tell Us Your Production Goal - Premium PE-only trees, hybrid PE/PVC trees, or upgrade from PVC-only

• Specify Leaf Size and Mold Requirements - Target leaf dimensions and color count (single or two color)

• Ask About Combined Quotes - Machine + mold + robot arm, or full Christmas tree production line

Contact: operation@one-plastic.com

Related Products: Christmas Tree Production Series | PE Injection Mold | Robot Arm for PE Injection Molding | PVC-Coated Iron Wire | 8-Line PVC Leaf Cutting Machine

Related Resources: PVC Christmas Tree Film | Quality Control | Contact Us