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The QNL, ZNL, and QHZ series spindle circulating oils are engineered for CNC precision spindles operating at tens of thousands of RPM and large-scale industrial circulating systems. The product range includes mineral-based spindle oils, medium-viscosity circulating oils, heavy-duty turbine oils, and synthetic rapid-cooling formulations, each developed to address common challenges in high-speed and continuous-operation equipment. These challenges include thermal expansion-related tolerance shift, sludge buildup in circulation lines, and water-induced component corrosion. The full product line serves machine tool manufacturers, industrial facility operators, and commercial maintenance teams seeking consistent lubricant performance for precision rotating equipment.
The QHZ synthetic line is formulated with thermal conductivity properties that transfer heat away from high-speed bearings during continuous operation. This heat transfer reduces micro-thermal expansion of the spindle, which supports consistent machining tolerances in high-RPM CNC spindle setups. QNL mineral series formulations also provide heat dissipation performance for standard high-speed spindle operations, supporting stable spindle performance across typical daily operating cycles.
These oils are formulated with demulsifying properties that separate condensed water from the oil in closed industrial circulating systems. Water separation prevents oil emulsification, which reduces the risk of rust and corrosion on precision bearing components. This property supports extended service life for internal system components in setups prone to condensation buildup from ambient and operational temperature variations.
The full series incorporates an anti-sludge formulation that resists sludge formation during continuous, high-temperature fluid circulation. This formulation helps maintain unobstructed flow through filtration systems, reducing maintenance intervals for filtration components in large-scale, continuously running circulating setups, and supporting consistent system flow rates over extended service periods.
Series Focus | ISO VG Grades | Density (Kg/L) | Viscosity Index (VI) | Flash Point (°C) | Pour Point (°C) |
|---|---|---|---|---|---|
QNL (High-Speed Spindle) | 5, 10 | 0.795 - 0.810 | 96 - 98 | 155 - 158 | -20 |
ZNL (Medium Circulating) | 15, 22, 32 | 0.810 - 0.867 | 98 - 103 | 165 - 204 | -15 - -20 |
ZNL-A (Heavy Turbine) | 68, 100 | 0.877 - 0.883 | 102 - 105 | 255 - 260 | -20 - -25 |
QHZ (Synthetic Rapid Cooling) | 2, 6 | 0.806 - 0.825 | 98 - 103 | 167 - 175 | -12 - -15 |
Each series in this product line targets specific operating conditions, allowing business buyers to select formulations that match their equipment requirements and operating parameters. The QNL series is designed for standard high-speed spindle applications, providing a cost-effective lubricant solution for routine CNC spindle operations. The QHZ synthetic series is specified for spindles operating at 20,000 RPM or higher, or for equipment running under sustained high thermal loads, to support sufficient heat removal during extended operation. For medium-scale industrial circulating systems and light turbine applications, the ZNL series offers mid-range viscosity grades to match general circulating lubrication needs. The ZNL-A series provides higher viscosity options for heavy-duty turbine equipment and large, high-load circulating systems.
The QNL series is formulated for standard high-speed spindle setups and meets typical operating requirements at a lower cost point. The QHZ synthetic series is intended for spindles that run at 20,000 RPM or higher, or for equipment that operates under continuous extreme thermal loads, as its formulation supports higher heat transfer rates for demanding conditions.
Large industrial circulating systems regularly accumulate condensation from ambient and operational temperature fluctuations. If oil cannot separate from water, emulsification will occur, which can lead to bearing rust and filter blockages over extended operation. Oils with demulsifying properties separate water at a rate that allows accumulated water to be drained from the system before it causes component degradation or system performance issues.
Products are available in 18L pails and 200L drums to accommodate both small-batch trial orders and bulk commercial procurement. Supported payment methods include T/T, L/C, and PayPal. Shipping options cover sea, air, and land freight to support delivery to enterprise customer locations worldwide.
This spindle circulating oil line holds ISO 9001:2000, SGS, and RoHS certifications. OEM and ODM custom formulation services are available for machine tool manufacturers and enterprise customers with specialized lubricant performance or formulation requirements.
