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Dishwasher Inner Tank Automatic Seam Welding Machine

    Buy cheap Dishwasher Inner Tank Automatic Seam Welding Machine from wholesalers
     
    Buy cheap Dishwasher Inner Tank Automatic Seam Welding Machine from wholesalers
    • Buy cheap Dishwasher Inner Tank Automatic Seam Welding Machine from wholesalers
    • Buy cheap Dishwasher Inner Tank Automatic Seam Welding Machine from wholesalers
    • Buy cheap Dishwasher Inner Tank Automatic Seam Welding Machine from wholesalers

    Dishwasher Inner Tank Automatic Seam Welding Machine

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    Model Number : WL-FS -75K
    Supply Ability : 50 sets per month
    Payment Terms : L/C,T/T
    Delivery Time : 7-30 working days after received your payment
    Certification : CE/CCC\ISO
    Brand Name : HWASHI
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    Dishwasher Inner Tank Automatic Seam Welding Machine

    Dishwasher Inner Tank Automatic Seam Welding Machine

    Product Overview

    The Hwashi Dishwasher Inner Tank Automatic Seam Welding Machine is a specialized resistance welding system designed for the production of dishwasher interior cavities and similar hollow stainless steel containers. This machine produces high-quality, leak-proof seam welds essential for appliance manufacturers where hygiene, durability, and corrosion resistance are non-negotiable requirements.

    The machine supports three distinct seam welding modes — continuous, intermittent (stitch), and step — each optimized for different production requirements and material characteristics. This versatility makes it equally suitable for high-speed production lines requiring hermetic seals and for applications demanding minimal heat input to preserve critical surface finishes.

    Built with a heavy-duty steel frame and precision-machined rolling electrodes, the machine handles the repetitive high-volume production demands of the appliance industry. The water-cooled electrode system ensures consistent performance during extended shifts, while the PLC-based control interface enables operators to switch between modes and adjust parameters with minimal training.


    Key Features & Benefits
    1. Three Seam Welding Modes — Optimized for Every Application
    Continuous Seam Welding
    • Both the workpiece and rolling electrodes move continuously
    • Steady welding current applied throughout the seam
    • Best for: hermetic seals, pressure-tight containers, smooth cosmetic welds
    • Produces a continuous fused line — ideal for dishwasher tanks requiring complete water-tightness
    Intermittent (Stitch) Seam Welding
    • Rolling electrodes rotate continuously while workpiece moves
    • Welding current pulses on and off — forms discrete overlapping nuggets
    • Reduced heat input — minimizes thermal distortion and discoloration
    • Best for: thin-gauge materials, decorative panels, applications sensitive to heat
    Step Seam Welding
    • Rolling electrodes move in controlled increments
    • Current applied only when electrodes and workpiece are stationary
    • Maximum electrode cooling and pressure consolidation between spots
    • Best for: thick materials (2.0mm+), high-strength structural joints, materials requiring minimal heat-affected zone
    2. Water-Cooled Rolling Electrode System
    • Precision-machined copper alloy rollers — excellent electrical conductivity and wear resistance
    • Built-in water cooling — maintains optimal electrode temperature during continuous operation
    • Spring-loaded electrode arm — maintains consistent contact pressure throughout seam length
    • Quick-change electrode adapters — fast tooling changeover between product models
    3. Medium-Frequency DC Inverter Power Source
    • 1000Hz output frequency — pure DC output eliminates arc wander and improves nugget consistency
    • Precise current regulation — adjustable welding current to ±1% accuracy
    • High power factor (>0.95) — energy efficient with lower operating costs
    • No voltage dip on the power grid — safe to operate alongside sensitive test equipment
    4. PLC Touch-Screen Control Interface
    • Mode selection — easily switch between continuous, intermittent, and step welding
    • Parameter programming — set current, speed, pulse timing, and electrode pressure
    • Production monitoring — weld count, cycle time, fault diagnostics
    • Product memory — store up to 100 different product programs for quick recall
    5. Designed for Appliance Production Lines
    • Automatic loading/unloading compatibility — integrates with automated material handling systems
    • High duty cycle — built for 24/7 production environments
    • Low maintenance design — simple daily maintenance procedures, minimal consumables
    • Safety features — emergency stop, light curtains, protective interlocks

    Technical Specifications
    ParameterSpecification
    ModelWL-SW Series
    Power SupplyAC 380V / 50Hz, 3-phase
    Rated Capacity75–150 KVA (model dependent)
    Output Frequency1000Hz (Medium Frequency DC)
    Max Short-Circuit Current30,000–45,000A (model dependent)
    Welding Speed0.3–3 m/min (adjustable)
    Material Thickness0.5–2.5mm (stainless steel, carbon steel)
    Seam LengthUp to 1500mm (customizable)
    Electrode TypeWater-cooled copper alloy rollers (Ø80–120mm)
    Welding ModesContinuous / Intermittent / Step (selectable)
    Control SystemPLC + Touch Screen HMI
    Cooling SystemWater cooling (built-in circulation)
    Dimensions2000×1800×1600mm (standard)
    Weight1,200–1,800 kg
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