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CNC Underfloor Wheel Lathe

CNC underfloor wheel lathe is a large-scale CNC lathe designed specifically for machining large wheels (such as train wheels, automobile hubs, and construction machinery wheels). It is an intelligent upgrade of underfloor lathes, utilizing a CNC system to achieve automated, high-precision machining.

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Description

Core Definition

A CNC underfloor wheel lathe processes large wheel workpieces. It utilizes a underfloor structure (the workpiece is placed directly on a floor guide rail or work surface, eliminating the need for a headstock to support the long axis as in traditional lathes). Incorporating computer numerical control (CNC) technology, it enables automated machining of key wheel components, including the outer diameter, inner bore, end face, rim, and web, ensuring high precision and efficiency.

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CNC Underfloor Wheel Lathe 2

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Key Features

Large-Scale Structure:

The machine bed offers a strong rigidity and high load capacity, capable of machining large wheels with diameters of several meters and weights of several tons, meeting the wheel dimensions required for heavy vehicles and rail vehicles.

The underfloor layout reduces workpiece clamping space constraints, making it suitable for stable machining of extremely large and heavy workpieces.

CNC Control:

Equipped with a high-precision CNC system, it supports automatic programming and parametric machining, reducing manual errors.

It enables multi-axis linkage (such as X- and Z-axis linkage) to precisely machine complex contours (such as rim curves and web profiles).

Specialized Design:

Specific fixtures (such as three- and four-jaw chucks and centers) are designed to meet the structural characteristics of wheels, ensuring secure workpiece clamping and high coaxiality.

The tooling system is compatible with wheel materials (such as cast and forged steel) and supports integrated roughing, semi-finishing, and finishing, ensuring surface finish and dimensional accuracy.

Efficiency and Stability:

A high degree of automation reduces manual intervention and labor intensity, while also improving batch processing consistency.

Key components such as the machine bed and guide rails are constructed from high-strength cast iron or welded structures, and undergo aging treatment to eliminate internal stresses, ensuring long-term stability and precision retention.

Core Functions

Contouring: Turns the outer diameter, inner bore, end face, rim, and tread (such as the rolling surface of a train wheel) of a wheel, ensuring geometric and dimensional accuracy.

Profile Machining: Utilizes the interpolation function of the CNC system to process complex structures such as irregular holes and curved surfaces in wheel spokes.

Precision Control: Equipped with closed-loop feedback devices such as grating scales, the machine monitors tool movement in real time, ensuring machining errors within micron levels (e.g., ±0.01mm).

Automated Operation: Supports automatic material feeding, automatic tool change (on some high-end models), and machining parameter storage and recall, meeting the needs of mass production.

Applications

Rail Transit: Machining train, subway, and tram wheels, serving as a core piece of equipment for rail vehicle wheelset manufacturing.

Automotive: Used for machining large wheel hubs for heavy trucks and buses, as well as for manufacturing wheels for specialized vehicles (such as engineering vehicles and armored vehicles).

Construction Machinery: Machining drive and guide wheels for large construction machinery such as loaders, cranes, and road rollers.

Mining and Metallurgy: Provide precision processing for heavy-duty wheels of mining vehicles and metallurgical equipment to meet the requirements of high loads and harsh working conditions.