News
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What causes streaking or “drag lines” on the waterjet cut surface, and how to minimize them?
Streaking, often called drag lines or lead-in striations, appears as visible vertical marks along the cut thickness. These lines indicate where the waterjet's cutting energy is distributed unevenly through the material, typically worsening near the bottom edge.Read more -
How to detect and fix leaks in waterjet cutting pump ultra-high pressure (UHP) fittings safely?
Ultra-high pressure (UHP) leaks in waterjet systems typically occur at fittings operating above 60,000 psi (4,100 bar). These leaks present serious injury risks from waterjet injection or component fragmentation. Safe detection and repair require strict procedural discipline.Read more -
What waterjet cutting machine maintenance schedule extends pump life: daily, weekly, monthly checks?
To maximize the lifespan of a waterjet cutting machine’s high-pressure pump—often the most expensive component—adhering to a structured maintenance schedule is critical. Below is a practical, evidence-based schedule divided into daily, weekly, and monthly checks.Read more -
How often should clean the water tank, and what’s the best method for sludge removal?
Cleaning the waterjet tank and removing sludge is essential for pump health, cutting accuracy, and machine longevity. Frequency depends on usage, but a practical rule is every 200–400 cutting hours or every 3–6 months for a shop running one shift. Heavy users (multiple shifts, thick steel cutting) may need monthly cleaning.Read more -
Why does waterjet get "plugged" during abrasive cutting, and how to prevent it?
Abrasive waterjet plugging occurs when the flow of garnet through the mixing tube is obstructed, causing a complete loss of cutting ability or a severely weakened jet. The root causes fall into three categories: moisture in the abrasive, incorrect setup, or backflow from the cutting head. Understanding each is key to prevention.Read more -
How to fix inconsistent cutting quality (rough edge, slow speed) on variable material thickness?
Inconsistent cutting quality—rough edges and slow speed across varying material thickness—almost always points to a mismatch between machine parameters and the changing material load. Fixing it requires systematic diagnosis rather than guessing. Work through these steps in order.Read more
