• Water roller
  • Water roller
Water roller
Water roller
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Water roller

Water rollers are rubber rollers in a water supply system that play a crucial role in the printing process.

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  • Product Description
  • Product Introduction

    Water rollers are rubber rollers in the water supply system that play a crucial role in the printing process. They are similar to ink rollers but have different functions. The main functions of the water roller are:  
    ① Moisten the printing plate to ensure that the printing plate maintains the proper moisture content during the printing process.  
    ② Adjust the water volume to prevent ink from spreading on the non-image areas of the printing plate, ensuring the clarity of the printed matter.  
    ③ Protect the printing plate. Evenly moistening the printing plate helps prevent damage to the printing plate due to drying during the printing process, extending the service life of the printing plate.  
    1. Water Roller with Oscillation:The water roller oscillates back and forth to supply water  
    2. Plate-Contact Water Roller:Evenly applies water to the printing plate,  
    Through appropriate pressure and friction, ensuring that the water is evenly and stably delivered to the printing plate, providing a strong guarantee for high-quality printed matter.

    Yin Xing Product Advantages

    1. Materials

    1) We conduct strict quality inspections on all raw materials upon arrival. The quality of raw materials is the cornerstone of the final quality of rubber products.

    2) We also strictly control the selection of raw materials, and only those that have passed a series of tests, including small-scale, medium-scale, large-scale trials, and finished product trials, are used.

    2. Process

    1) Our equipment is the most advanced processing equipment.

    The mixing equipment is advanced auxiliary equipment with an automatic weighing system, reducing human error. The vulcanization process uses advanced intelligent temperature-controlled vulcanization tanks, ensuring the stability of time, temperature, and pressure during vulcanization. The machining equipment is also the latest Shanghai machine tool, with high processing accuracy and improved surface cleanliness of the rubber rollers.

    2) The mixing process uses a two-stage mixing method, and the molding process uses continuous extrusion and winding molding. The winding molding process has high production efficiency, can meet the needs of large-scale production, has high molding accuracy, and enhances product competitiveness.

    3. Performance Advantages and Impact on Printing Quality

    Performance Advantages Impact on Printing Quality
    High-quality raw materials, polyurethane or other rubber materials are selected according to different requirements. The main material selected has good elasticity, wear resistance, and corrosion resistance, and can adapt to high-speed printing and high-pressure working environments.
    Advanced continuous extrusion molding or three-roll rubber-wrapping molding ensures the size and accuracy of the rubber roller, improving the strength and durability of the rubber roller. Allows the printing roller to adapt to the needs of different printing pressures, ensuring even force on the plate during printing.
    Stable raw materials and continuous and stable production processes can guarantee the quality of the rubber rollers. Improves printing stability, extends the service life of the rubber rollers, and reduces costs.

    Performance Comparison

    1. Physical Properties

    1) Hardness: Our company's high-quality printing rubber rollers have a wider range of hardness options and can be customized according to customer's special needs. The conventional hardness of printing rubber rollers is 28A-40A, all of which can be produced;

    2) Elasticity: The printing rubber rollers produced by our company use high-quality materials and advanced manufacturing processes, with excellent elasticity. A decrease in elasticity recovery ability affects the stability of the printing effect.

    Index Yin Xing Printing Rubber Rollers Ordinary Commercially Available Printing Rubber Rollers
    Rebound Rate ≥40% ≥35%
    Compression Set ≤5% (70℃×24h, ISO 815B test) 8%-15% (Mid-range models generally >10%)
    Dynamic Response Speed Recovery within 0.02 seconds (10kHz pressure fluctuation scenario) 0.05-0.1 second recovery (ghosting is easy in high-speed printing)

    3) Smoothness: Our company controls different smoothness values for different parts of the printing machine, with a fine and uniform surface. Ordinary rubber rollers have some shortcomings in the uniformity and fineness of smoothness, which will affect the surface quality of the printed matter.

    2. Water Transfer Performance

    Water Transfer

    Uniformity of water transfer: It can transfer water evenly to the printing plate, ensuring that each part of the printing plate receives the appropriate amount of water, thus achieving good printing quality;

    Water absorption: It has good water absorption and can quickly absorb and transfer water;

    Corrosion resistance: It has good corrosion resistance and can maintain stable performance during long-term use, reducing water transfer problems caused by corrosion;

    Ease of cleaning: The surface is relatively smooth, not easy to adhere to ink or impurities, and easy to clean, maintaining good water transfer performance;

    Control ability of water transfer volume: It can better control the water transfer volume and adjust it accurately according to printing needs, which helps to achieve ink-water balance.

Water roller

Water rollers are rubber rollers in a water supply system that play a crucial role in the printing process.

Still deciding? Get samples first,  Contact US !

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