LNPM-2C Liquid Nitrogen Planetary Ball Mill -40°C 0.75kW 4-Station

$2,426.00

Institutional Procurement & Supply Compliance: As a verified US supplier, Atomfair accepts formal institutional Purchase Orders (POs), contract billing schedules, and custom procurement loops for university and national laboratories, and corporate R&D departments globally.

LNPM-2C liquid nitrogen planetary ball mill, -40°C to 20°C, 0.75kW, 70-810 rpm, 2L. Four-station, vacuum/inert atmosphere grinding. 4-5L/h LN₂ consumption. Lab & research grade.

SKU: AFPBM2C
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Description

ATOMFAIR LNPM-2C LIQUID NITROGEN PLANETARY BALL MILL -40°C 4-STATION

RESEARCH GRADE EQUIPMENT

Product Overview

The mill places grinding jars within an insulated chamber continuously supplied with liquid nitrogen, which rapidly absorbs heat generated by high-speed grinding ball motion to maintain a persistent low-temperature grinding environment. Purpose-built for cryogenic ultrafine grinding research, this system is essential for material mixing, ultrafine grinding, small-batch sample preparation, pilot trials, and new product development. The LNPM series features a compact design with complete functionality, low operating noise, high grinding efficiency, and simple operation—making it the dedicated powder grinding equipment for university, research institute, and enterprise R&D laboratories. The four-station vacuum inert atmosphere grinding configuration allows simultaneous preparation of four different samples in a single run, with compatibility for vacuum grinding jars enabling inert or vacuum atmosphere cryogenic grinding. The system operates at 220V/110V, 0.75 kW with a temperature control range from -40°C to 20°C and liquid nitrogen consumption of 4–5 L/h under 0–10°C operating conditions.The temperature control system maintains the grinding chamber within a range of -40°C to 20°C through continuous liquid nitrogen injection. Under typical 0–10°C operating conditions, liquid nitrogen consumption is approximately 4–5 L/h. The system is compatible with 30 L or 50 L liquid nitrogen storage tanks. The LNPM series spans from 1 L to 12 L total volume, with the LNPM-1C through LNPM-6C powered by 0.75 kW motors and the LNPM-8C through LNPM-12C powered by 1.5 kW motors. All models feature four grinding stations with a standard configuration including the main grinding unit; grinding jars and balls are ordered separately with multiple material options available.

Standard Configuration List

Item Configuration Description
Main Grinding Unit 1 pc
Grinding Jars (Order Separately) Available Materials: Al₂O₃ PU PTFE Ceramic SS Nylon
Grinding Balls (Order Separately) Available Materials: WC-Co Al₂O₃ PU-Fe Agate YSZ HCCI 304SS

LNPM Series Full Model Specifications

MODEL TOTAL VOLUME VOLTAGE POWER ROTATION (rpm) NET WEIGHT DIMENSIONS (mm)
LNPM-1C 1 L 220V / 110V 0.75 kW 70–810 83 kg 750×470×590
LNPM-2C 2 L 220V / 110V 0.75 kW 70–810 85 kg 750×470×590
LNPM-4C 4 L 220V / 110V 0.75 kW 70–810 88 kg 750×470×590
LNPM-6C 6 L 220V / 110V 0.75 kW 70–670 93 kg 750×470×590
LNPM-8C 8 L 220V / 110V 1.5 kW 70–580 150 kg 880×560×670
LNPM-10C 10 L 220V / 110V 1.5 kW 70–580 150 kg 880×560×670
LNPM-12C 12 L 220V / 110V 1.5 kW 70–580 150 kg 880×560×670

Key Features & Advantages

  • Liquid Nitrogen Cooling with -40°C to 20°C Temperature Range: Continuous liquid nitrogen injection into the insulated chamber rapidly absorbs grinding-generated heat, maintaining the grinding environment at temperatures as low as -40°C for true cryogenic processing of temperature-sensitive materials.
  • Four-Station Simultaneous Grinding with Independent Sample Processing: The standard four-position grinding configuration enables simultaneous preparation of four different samples in a single run, dramatically improving experimental throughput for comparative material studies.
  • Vacuum and Inert Atmosphere Grinding Compatibility: The system supports vacuum grinding jars, enabling inert gas or vacuum atmosphere cryogenic grinding for air-sensitive materials that require complete environmental isolation during processing.
  • Compact Design with Low Noise and High Efficiency: The small-footprint design (460 × 660 × 720 mm) with approximately 80 kg weight delivers low operating noise and high grinding efficiency, making it ideal for space-constrained research laboratories requiring dedicated cryogenic powder processing capability.

APPLICATION SCOPE: Widely used in geology, mining, metallurgy, electronics, building materials, ceramics, chemical engineering, light industry, pharmaceuticals, and environmental protection for low-temperature grinding. Specifically suitable for electronic ceramics, structural ceramics, magnetic materials, lithium cobalt oxide, lithium manganese oxide, catalysts, phosphors, long-afterglow luminescent powders, rare-earth polishing powders, glass micro-powders, fuel cells, zinc oxide varistors, piezoelectric ceramics, nanopowders, multilayer ceramic capacitors (MLCC), PTC/NTC thermistors, dielectric ceramics, alumina ceramics, zirconia ceramics, zinc oxide powders, cobalt oxide powders, nickel-zinc ferrites, and manganese-zinc ferrites where cryogenic processing is essential.
PACKAGING: This listing is priced for the main unit only. The standard configuration includes 1 pc grinding host machine with liquid nitrogen cooling system and four-station grinding platform. Grinding jars (Al₂O₃, PU, PTFE, Ceramic, SS, Nylon) and grinding balls (WC-Co, Al₂O₃, PU-Fe, Agate, YSZ, HCCI, 304SS) are ordered separately. The LNPM series is available from 1 L through 12 L models. Compatible with 30 L or 50 L liquid nitrogen storage tanks. Installation guidance and operational training support are provided upon request.
IMPORTANT NOTICE: The listed price is for the main unit; grinding jars and balls must be ordered separately. Liquid nitrogen storage tank (30 L or 50 L) is required for operation and ordered separately. Liquid nitrogen consumption is approximately 4–5 L/h under 0–10°C operating conditions. Adequate ventilation is required in the operating area due to nitrogen gas displacement. Always follow cryogenic safety protocols when handling liquid nitrogen. For detailed installation, operation, and maintenance instructions, consult the user manual prior to first use. If you have specific requirements for other LNPM models or custom configurations, please contact us at inquiry@atomfair.com.
TAILORED SOLUTIONS FOR RESEARCH
Contact our engineering team for technical support or official quotations.
EMAIL: inquiry@atomfair.com
Manufacturer: Atomfair LLC
Brand: ATOMFAIR®

The mill requires secure mounting of grinding jars to prevent ejection during high-speed rotation. Cryogenic operation demands the use of appropriate thermal insulation and personal protective equipment to avoid frostbite.

  • Grinding jar compatibility: Select grinding jars that are rated for the rotational speeds and cryogenic temperatures involved in the intended milling process.
  • Power supply requirements: Ensure the mill is connected to a power supply that matches the motor specifications to avoid electrical overload.
  • Safety device engagement: Confirm that all safety covers and interlocks are engaged before initiating any milling cycle.
  • Cryogenic fluid handling: Handle cryogenic fluids with appropriate gloves and face shield to prevent cold burns.
  • Vibration monitoring: Monitor the mill for unusual vibrations that may indicate unbalanced jars or mechanical wear.

Step-by-step instructions for safe initialization and milling. Follow these procedures to minimize risk and ensure effective grinding.

  1. Load jars with sample and grinding media
    Select appropriate grinding jars and balls compatible with both the sample material and the cryogenic conditions, then secure them onto the planetary disk.
  2. Set milling parameters and engage safety
    Adjust the rotation speed and timer to the desired settings while ensuring the safety cover is closed and locked before starting the mill.
  3. Monitor and complete the milling cycle
    Observe the mill during operation for any abnormal sounds or vibrations, and allow the jars to return to ambient temperature before opening after cryogenic use.

How does the rotational speed range of 70-670 rpm on the PBM-2C affect grinding efficiency versus thermal management requirements for cryogenic milling applications?

The PBM-2C operates at speeds from 70 to 670 rpm. Higher speeds provide greater impact energy for particle size reduction but also generate more frictional heat, potentially compromising cryogenic conditions. The mill's planetary motion with four jar positions allows some heat dissipation, but precise speed selection is critical to maintain low temperatures without sacrificing throughput.

What jar sizes and materials are compatible with the PBM-2C cryogenic planetary ball mill?

The PBM-2C requires grinding jars and balls ordered separately. The jar holder inner diameter is not specified in the product description, but the mill is designed for semi-circular or circular jars typical of vertical planetary ball mills. Users must select jars that match the holder size and are suitable for cryogenic temperatures, such as stainless steel or zirconia, to avoid thermal shock.

What safety precautions are required when operating the PBM-2C cryogenic ball mill with liquid nitrogen?

Cryogenic operation with liquid nitrogen requires proper personal protective equipment including cryogenic gloves and a face shield. The mill must be placed in a well-ventilated area to prevent nitrogen gas accumulation. The PBM-2C's drive system and safety devices are designed for laboratory use, but users must ensure jars are securely sealed and the mill is decontaminated before cryogenic milling to avoid brittle fracture of components.

The PBM-2C Cryogenic Planetary Ball Mill operates at 70–670 rpm, employing planetary motion for high-energy grinding. Its semi-circular jar design improves space utilization and milling efficiency, but grinding jars and balls must be purchased separately, and the unit is intended for small-batch, high-precision applications.

Positive

  • High-energy planetary grinding action: The composite revolution and rotation motion of the planetary disk drives grinding balls to collide and rub at high speed, enabling efficient crushing, mixing, and nanomaterial preparation.
  • Semi-circular jar design optimizes space: Semi-circular ball milling jars maximize internal volume use and improve grinding efficiency compared to conventional round jars, particularly for small-batch precision work.

Trade-offs

  • Grinding jars and balls not included: The listed price covers only the main machine; compatible grinding jars and balls must be ordered separately, adding to initial setup cost and lead time.
  • Designed for small-batch experiments: The equipment is explicitly suited for small-batch and high-precision requirements, limiting throughput for larger-scale or continuous milling operations.

Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.

To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.

Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).

Additional information

Weight 85 kg
Dimensions 75 × 47 × 59 cm