Rexroth cast iron gear pump
Featuring minimal flow pulsation, superior high-pressure operational stability and outstanding long-term anti-aging performance, the Rexroth Cast Iron Gear Pump serves as a pivotal hydraulic component for high-end CNC machine tools and machining centers. It is extensively applied in key working procedures including hydraulic clamping, automatic tool change, guide rail lubrication and auxiliary power drive, delivering reliable hydraulic power to support stable mass production and high-precision processing for precision machine tool equipment. As a professional manufacturer deeply engaged in machine tool hydraulic component R&D and supply for years, Runhe thoroughly grasps the rigorous working conditions of CNC equipment, which demand low-speed precision output, non-stop batch production and low-noise, steady hydraulic control. We exclusively launch the machine-tool-specific Rexroth cast iron gear pump series, targeting common industry pain points triggered by ordinary gear pumps—such as severe vibration, obvious pressure fluctuation and rapid temperature rise that lead to processing deviation, workpiece rejection and frequent equipment shutdown.
CNC machine tool hydraulic systems fundamentally require steady low-pressure flow, sustained high-pressure holding, as well as low vibration and low noise operation—all of which are the signature strengths of Rexroth cast iron gear pumps in machine tool scenarios. This pump series adopts high-precision gear grinding technology and optimized gear meshing structure, paired with an integrated high-strength cast iron housing, which drastically reduces flow pulsation. It realizes consistent and even hydraulic fluid delivery and effectively suppresses system vibration and hydraulic impact. In workpiece hydraulic clamping processes, the pump maintains stable constant pressure, avoiding workpiece offset and clamping looseness caused by pressure instability. It guarantees precise dimensional accuracy in milling, drilling, grinding and other precision machining procedures, making it perfectly adaptable to high-volume production of high-precision mechanical parts.
Engineered to match the 24-hour uninterrupted batch production mode of CNC machine tools, Runhe’s Rexroth cast iron gear pump delivers excellent long-term operational durability. Its high-density cast iron casing features high structural rigidity and strong resistance to deformation under system pressure shock. Even after long hours of continuous operation, it retains ultra-tight internal clearance, keeping volumetric efficiency steadily above 94% and effectively avoiding internal leakage growth and power waste. Additionally, the product boasts excellent heat dissipation capacity and strong contamination resistance, fitting the long-term constant-temperature working environment of machine tools. It tolerates tiny impurity pollution in hydraulic systems, greatly lowering the risks of pump abrasion, jamming and leakage failure. This significantly reduces equipment maintenance downtime and ensures continuous, high-efficiency operation of production lines.
In terms of machine tool system integration and energy-saving upgrading, the modular structure of Rexroth cast iron gear pumps delivers prominent competitive advantages. With a compact overall design and unified standard installation dimensions, it perfectly adapts to the narrow internal installation space of hydraulic power units on various vertical and horizontal machining centers. It supports replacement and renovation for both new and old-generation machine tools without pipeline or frame modification, realizing low integration cost and fast on-site deployment. Compared with traditional gear pumps, it generates lower temperature rise during operation and cuts down energy consumption, effectively reducing the overall power cost of machine tool equipment. Meanwhile, its ultra-quiet operation improves the workshop production environment, fully complying with the environmental and production standards of modern precision processing workshops.
Runhe keeps a full stock of machine-tool-dedicated Rexroth cast iron gear pumps, covering all mainstream specification requirements of current CNC machine tools. All products undergo strict factory high-pressure testing and simulated working condition verification, fully complying with German high-precision manufacturing standards. Beyond complete pump product supply and OEM spare parts provision, we deliver personalized one-stop service solutions, including professional model selection, hydraulic system commissioning and on-site operation & maintenance guidance customized for different machine tool models and processing scenarios.
Stable batch production of precision machine tools is inseparable from high-quality hydraulic power components. Endowed with outstanding precision, stability, durability and energy efficiency, the Rexroth cast iron gear pump has become the optimal core pump solution for CNC machine tool hydraulic systems. Runhe continues to polish professional capabilities in the industrial machine tool hydraulic field. By virtue of reliable products and premium technical services, we help manufacturing enterprises upgrade processing accuracy, cut operation and maintenance costs, and achieve high-efficiency mass production. Enterprises with demands for equipment replacement or new machine tool procurement can visit our official website to consult and customize exclusive solutions.
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