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NMRV40 Worm Gearboxes: Power & Efficiency

Gearbox Manufacturer

Gearboxes play a critical role in multiplying torque and precisely controlling speed and rotation in industrial machinery. Among gearbox types, worm drives stand out for their high load capacity, smooth power transmission, and quiet operation. Worm gearboxes utilize a screw-shaped worm that meshes perpendicularly with a mating worm wheel to provide an efficient speed reduction.

The NMRV40 represents an innovative worm gearbox solution optimized specifically for enhancing the rotational performance of nuclear magnetic resonance (NMR) spectroscopy platforms. With its compact footprint, right-angle configuration, and rugged components, the NMRV40 gearbox improves sample spinning capabilities on high-end NMR analyzers.

This guide will explore the key features and applications of NMRV40 worm gearboxes. We’ll provide tips on proper selection, installation, and maintenance. Whether you are an OEM engineer, equipment operator, or maintenance technician, understanding NMRV40 technology will enable you to upgrade your NMR systems for new levels of precision and productivity.

Table of Contents

Features and Benefits of NMRV40 Gearboxes

NMRV40 worm gearboxes provide significant advantages over generic gearbox designs:

High Gear Ratios

With dual reduction stages, NMRV40 gearboxes achieve gear ratios up to 100:1 in a compact package. This provides the extreme torque multiplication needed for smooth NMR sample tube rotation.

Hardened Steel Gears

Precision machined alloy steel gears resist wear and deformation under continuous loads. Carburized/nitrided tooth finishing provides long-lasting smooth meshing.

Large Bearings

Oversized tapered roller bearings on input and output shafts accommodate both radial and axial loads for extended life with minimal maintenance.

Oil Bath Lubrication

Splash lubrication submerges all components in a bath of high viscosity gear oil for efficient heat dissipation and minimal friction.

Right-Angle Configuration

The NMRV40 features a space-saving right angle layout with perpendicular input and output shafts suited for tight NMR equipment spaces.

Flexible Mounting

Versatile mounting options including flange, foot, and face mounts enable secure NMRV40 installation in any orientation necessary.


Applications of NMRV40 Gearboxes

The NMRV40 provides an optimized gearbox solution for the following applications:

NMR Spectrometer Rotation – The key application is driving smooth, precise sample tube rotation within the intense magnetic field of NMR platforms. NMRV40 gearing enables dynamically adjusting sample orientation.

NMR Tube Spinners – On automated tube handling systems, NMRV40 gearboxes index individual sample tubes for transport into and out of the NMR analyzer. High ratios allow precise small increments.

NMR Probe Rotation – Some advanced NMR techniques rotate radiofrequency probes around stationary samples. NMRV40 drives provide the torque and control for smooth probe manipulation.

NMR Gradient Coil Actuators – Magnetic field gradient coils used for spatial encoding in magnetic resonance imaging (MRI) scanners utilize NMRV40 gearboxes for quiet positioning.

NMR Magnet Alignment Systems – High-capacity NMRV40 drives enable making fine adjustments to superconducting magnet alignments for maximum field homogeneity.


Selecting the Right NMRV40 Gearbox

Specifying the optimal NMRV40 gearbox requires matching specific design factors to your application:

Torque Requirements – Determine maximum loading. NMRV40s are available in torque ranges from 50 Nm to over 500 Nm. Oversizing prevents overload failures.

Gear Ratio – Gear ratios between 36:1 and 100:1 provide the fine incremental motion needed for NMR positioning. Higher ratios maximize torque.

Mounting Style – NMRV40 mounting options include flange, shaft, foot and face configurations to suit installation requirements and space constraints.

Motor Matching – NMRV40 adapters provide interfaces to all major motor brands. High-resolution encoders provide position feedback.

Environment – Standard NMRV40 units are designed for typical indoor laboratory environments. IP ratings and stainless steel covers are available if necessary.



The NMRV40 worm gearbox provides an optimized gearing solution enabling smoother, more precise motion control for sample positioning and rotation in demanding NMR spectroscopy applications. Its high ratios, efficient gear mesh design, robust bearings, and flexible mounting deliver powerful and reliable performance.

Understanding the advantages of NMRV40 technology allows design engineers to customize gearboxes matching the torque, precision, and durability needs of their specific NMR equipment. By integrating NMRV40 worm drives, laboratories can cost-effectively enhance NMR capabilities for the most advanced research.



Contact our engineering team today to discuss how NMRV40 worm gearboxes can upgrade your NMR systems with optimized sample spinning, probe manipulation, and magnet alignment capabilities. We offer configurable solutions to meet your exact requirements.

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