Jingkun 450: 4kW Motor, 5.5kW Inverter, 450mm Planetary Grinder
Jingkun 450 Planetary Grinder
——Variable frequency drive, voltage customization, an all-around high-efficiency floor grinding solution
Powered by a robust 4kW motor and matched with a high-performance 5.5kW vector inverter, it truly delivers a "big motor, even bigger drive" advantage. Soft start with zero impact, stepless speed regulation for ultimate precision, and no stalling or overheating under heavy loads — effortlessly handles concrete grinding, old epoxy removal, hardened floor polishing, and other demanding tasks.
450mm planetary grinding width combines revolution and rotation to create a denser, more uniform grinding pattern. It significantly reduces scratches and unevenness, bringing a notable boost in efficiency. Easily switch between diamond segments, resin pads, and more — one machine excels at both coarse grinding and fine polishing.
Break free from voltage limitations with tailored customization: 220V, 240V, and 380V versions are available on demand. Whether for residential single-phase power, industrial three-phase power, domestic jobsites, or overseas projects, enjoy true plug-and-play convenience that completely eliminates voltage mismatch worries.
Compact overall structure, flexible handling, and even grinding pressure distribution ensure stable, reliable performance during long working hours.
Jingkun 450 — grinding every inch of floor with real power. Customize your exclusive voltage solution now and start a new era of efficient grinding!jing
Having worked extensively with various floor grinding machines, I can confidently say the Jingkun 450 Planetary Grinder stands out because of its blend of power and versatility. The combination of the 4kW motor and the 5.5kW vector inverter ensures that the machine handles heavy workloads without overheating or stalling, which is a common issue with less advanced grinders. What I particularly appreciate is the stepless speed regulation and soft start feature. These allow for precise control over the grinding process, which is critical when transitioning between aggressive concrete grinding and delicate floor polishing. This versatility reduces the need for multiple machines on a jobsite, saving both time and cost. The 450mm planetary grinding system is another game-changer. By integrating both rotational and revolutionary movements, it achieves a more consistent grinding pattern that minimizes scratches or uneven surfaces. This efficiency boost means I can complete large projects faster without sacrificing finish quality. Voltage customization options (220V, 240V, and 380V) make the Jingkun 450 especially convenient for users working across different power environments — from residential single-phase setups to industrial three-phase power supplies. This flexibility eliminates concerns about compatibility and allows the machine to be truly plug-and-play. Additionally, the compact structure and well-distributed grinding pressure contribute to operator comfort and prolonged machine stability during extended work hours. From my experience, such ergonomic considerations improve productivity and reduce fatigue on demanding projects. Overall, the Jingkun 450 is a high-efficiency solution that adapts well to a variety of grinding tasks including concrete surface preparation, epoxy removal, and floor polishing. For anyone looking to invest in a durable and customizable planetary grinder, this model delivers on power, precision, and versatility.
