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Home / Product / EVA/Rubber Sole Production Line EVA / Fully automatic rubber soles press moulding machine
  • Fully automatic rubber soles press moulding machine
  • Fully automatic rubber soles press moulding machine
EVA/Rubber Sole Production Line EVA

Fully automatic rubber soles press moulding machine

Product Description

Fully Automatic Rubber Sole Hot Press Forming Machine Product Description
1. The automatic sliding mold and mold turning structure can reduce labor intensity and improve production efficiency.
2. Automatic servo control system, saving energy and reducing consumption by 30%.
3. The hydraulic system adopts a logic circuit, with stable pressure and fast mold opening and closing speed.
4. Wall panel frame structure, good rigidity, and not easy to deform.
5. Automatic middle plate lifting, safe and stable.
Product applicationSingle-color and two-color rubber soles, conductive rubber, automobile parts, and other rubber products are formed.

  • Fully automatic rubber soles press moulding machine
  • Fully automatic rubber soles press moulding machine
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OTT RubberTech International Trading (Shanghai) Co., Ltd.
OTT RubberTech is a professional solution provider of rubber process formula, material, machinery with Mixer, Rubber Mixer, Mixing Mill, Precision Performer, Vulcanizing Press, Calender, batch-off Cooling unit, rubber Extruder, and other support plastic machines. We are professional China Fully automatic rubber soles press moulding machine supplier and custom Fully automatic rubber soles press moulding machine manufacturer, More than 15 years of experience in the rubber machinery industry； Has professional sales engineers and technicians； Provides our clients with professional advisory products and solutions； Each product is tested before packaging. Always strive to reduce the customer's procurement cost from the customer's perspective; Dedicated sourcing team; Always responsible for the after-sales service of our products. Adhering to the principle of good faith, standard, and efficient work, the company wins the market with technology and obtains credit by creating service. It will provide the customers with high quality, high efficiency, and fast service. Facing the further, we should adhere to independent innovation.
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EVA/Rubber Sole Production Line EVA Industry knowledge

Overview

The production of EVA (Ethylene-Vinyl Acetate) and rubber soles plays a key role in footwear manufacturing, providing durable, comfortable soles for various shoe types. EVA soles are light, cushioned, and used in sports and casual shoes, while rubber soles are durable and offer excellent grip, often used for work boots and outdoor footwear.

Key Materials

  1. EVA (Ethylene-Vinyl Acetate):

    • EVA is a lightweight, flexible material known for its shock-absorbing properties. It’s ideal for comfortable, cushioning soles, commonly found in sports and casual footwear.
    • EVA soles provide excellent comfort, wear resistance, and durability. They come in different hardness levels, depending on the shoe’s needs.

  2. Rubber:

    • Rubber soles are made from natural or synthetic rubber compounds, known for their durability and traction.
    • Natural rubber provides flexibility, while synthetic rubbers (like SBR or nitrile) offer specialized properties like oil resistance or durability.

Main Stages in EVA/Rubber Sole Production

1. Material Preparation (Compounding)

  • EVA Compounding: EVA pellets are mixed with additives like foaming agents, plasticizers, and colorants to achieve the desired properties.

  • Rubber Compounding: Rubber is mixed with fillers, curing agents (like sulfur), and plasticizers to ensure durability and flexibility.

    Compounding Equipment:

    • Banbury Mixer: Used for mixing large batches of rubber compounds.
    • Two-Roll Mills: Refine rubber compounds to ensure consistency.

2. Molding and Shaping

  • EVA Sole Production:

    • Injection Molding: EVA is injected into molds under heat and pressure, solidifying into the sole shape.
    • Compression Molding: EVA is compressed into molds to form soles.
    • Foaming Process: EVA can be foamed to make lightweight soles with added cushioning.

  • Rubber Sole Production:

    • Compression Molding: Rubber is placed in molds and heated to form the sole.
    • Injection Molding: Rubber is injected into molds under high pressure for detailed designs.

3. Curing/Vulcanization

  • Rubber Vulcanization:

    • Vulcanization involves heating rubber with sulfur to crosslink polymer chains, improving its elasticity and durability.
    • Vulcanizing Presses apply heat and pressure during curing.

  • EVA Curing:

    • EVA doesn’t undergo traditional vulcanization, but is heated in the mold to solidify and maintain its shape.

4. Cooling and Demolding

  • Cooling: After molding, the soles are cooled, typically in water baths or cooling tunnels.
  • Demolding: The molded soles are removed from molds and any excess material is trimmed.

5. Finishing and Quality Control

  • Trimming and Cutting: Excess material is removed using cutting machines to ensure clean edges.

  • Surface Treatment: Texturing or coating may be applied for grip and durability.

  • Quality Testing: Soles undergo tests like durability, compression, slip resistance, and visual inspection to meet standards.

6. Packaging and Shipping

  • Once quality control is passed, soles are packaged and prepared for shipment using automated packaging lines.

Key Equipment in EVA/Rubber Sole Production

  • Injection Molding Machines: Essential for shaping soles by injecting material into molds.
  • Compression Molding Presses: Used for forming EVA and rubber soles under pressure.
  • Banbury Mixers: Mix raw rubber compounds.
  • Two-Roll Mills: Refine rubber and ensure consistency.
  • Cooling Systems: Cooling tunnels or water baths are used to cool soles after molding.

Applications of EVA/Rubber Soles

  • Sports Footwear: EVA soles are used in running, basketball, and athletic shoes for comfort and cushioning.
  • Casual Footwear: EVA is also used in sandals and casual shoes.
  • Work Boots and Outdoor Footwear: Rubber soles are ideal for heavy-duty footwear due to their durability and traction.
  • Fashion Footwear: Both EVA and rubber soles are used in luxury shoes for comfort and style.