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High Thermal Efficiency Two-layer Frame Plate Vulcanizing Machine - Used To Manufacture Rubber Fiberboard

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High Thermal Efficiency Two-layer Frame Plate Vulcanizing Machine - Used To Manufacture Rubber Fiberboard

Brand Name : Beishun

Model Number : XBL-1000*1000/5.00MN

Certification : ISO/CE/SGS

Place of Origin : Qingdao,China

MOQ : 1set

Price : Negotiable

Payment Terms : T/T,L/C

Supply Ability : 30set/month

Delivery Time : 45day

Power Supply : customization

Heating Way : Electrical / Steam heat

Maximum Product Size : 1000x1000mm

Pressure Range : 16.8(mpa)

Power Source : Electric

Plates Gap : 300mm

Weight : 5000kg

Type : hydraulic

Vulcanizing Plate Quantity : 2

Plunger Material : Chilled cast iron

Structure : Column type

Structure Style : Horizontal

Plc : Mitushibi, Siemens .

Cylinder Stroke : 200mm

Power : 15kW

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High Thermal Efficiency Two-layer Frame Plate Vulcanizing Machine - Used To Manufacture Rubber Fiberboard


Machine introduction:


1. Types of rubber fiber sheet vulcanizers


(1) Flat vulcanizer (intermittent vulcanization)
Applicable products:

Ordinary rubber sheets (such as anti-slip mats, industrial rubber sheets)

Insulating rubber sheets (for distribution rooms)

Oil-resistant, acid-resistant and alkali-resistant rubber sheets

Conductive/antistatic rubber sheets

Composite rubber sheets with fiber reinforcement layers (such as asbestos rubber sheets, canvas-reinforced rubber sheets)


Working principle:

Put the mixed rubber sheet (or fiber-reinforced rubber composite material) into the mold.

High pressure (usually 10-20MPa) is applied through the hydraulic system, and the heating plate provides temperature (140-180℃).

Maintain a certain time (5-30 minutes, depending on the thickness) to complete the vulcanization.


Equipment features:

Can produce a wide range of thicknesses (1mm~50mm).

Suitable for small batch and multi-specification production.

Multi-layer vulcanization table can be added (to improve efficiency).

Technical Parameters

Parameter Typical Range Explanation
Temperature 140 - 180°C For Natural Rubber (NR), it is usually 150 - 160°C. For EPDM, it can reach 170 - 180°C.
Pressure 10 - 20MPa To ensure the rubber flows adequately and eliminate air bubbles.
Vulcanization Time 5 - 30 minutes Depends on the thickness (e.g., for 5mm thickness, it takes about 10 - 15 minutes).
Cooling Method Natural cooling / Water cooling To prevent deformation and improve dimensional stability.


High Thermal Efficiency Two-layer Frame Plate Vulcanizing Machine - Used To Manufacture Rubber FiberboardHigh Thermal Efficiency Two-layer Frame Plate Vulcanizing Machine - Used To Manufacture Rubber Fiberboard

3. Special requirements for fiber-reinforced rubber sheets
If the rubber sheet contains a fiber-reinforced layer (such as canvas, nylon, polyester fiber or asbestos fiber), pay attention to the following during vulcanization:

Fiber pretreatment: Glue or dip is required to improve adhesion with rubber.

Vulcanization pressure: Higher pressure (15-25MPa) is required to ensure that the rubber penetrates the fiber layer.

Temperature control: Avoid excessively high temperatures that may cause fiber aging (such as nylon fiber temperature resistance ≤180℃).


4. Common Problems and Solutions

Problem Possible Causes Solutions
Bubbles/Layering Insufficient pressure, poor venting Increase pressure, add venting grooves to the mold
Uneven thickness Uneven mold, poor fluidity of rubber compound Adjust the parallelism of the mold, optimize the rubber compound formula
Delamination between fiber and rubber Untreated fiber or insufficient adhesion

Pre - coat fiber with adhesive, increase vulcanization pressure

Rough surface Mold contamination, uneven temperature Clean the mold, check the temperature uniformity of the heating plate

High Thermal Efficiency Two-layer Frame Plate Vulcanizing Machine - Used To Manufacture Rubber Fiberboard



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