DEXIN GROUP / Dexin Machinery CNC Machine Tools and Machining Centers

DEXIN GROUP / Dexin Machinery CNC machine tools and machining centers: multi-axis LX centers, heavy-duty AG gantry mills, BF and AF vertical milling machinery engineered for industrial production.

Dexin LX series 5-axis machining centers

Precision 5-axis machining centers Dexin LX series developed for multi-axis continuous milling of complex workpieces. The lineup incorporates C-series with integrated tilting-rotary tables and A-series featuring rotary tables and swivel spindle heads for heavy components.

Integrated tilting rotary tables with faceplate diameters from 170 to 630 mm
Direct-drive spindles and built-in electro-spindles operating up to 24000 rpm
Rigid base construction engineered from Meehanite alloy iron with aging treatment
Optional mill-turn table integration supporting dual machining operations

Dexin AG series heavy gantry machining centers

Heavy-duty bridge-type gantry milling centers Dexin AG series engineered for heavy metal cutting of large tooling dies and structural components. One-piece alloy iron bridge structure and widely spaced Y-axis guideways provide superior vibration damping under heavy cutting loads.

Longitudinal X-axis travel configurations extending from 1700 up to 4200 mm
High-torque two-speed gear transmission spindle drive with ISO50 taper
Box-way rigid monolithic frame structure reinforced with internal ribbing
Optional automatic attachment changer for right-angle and extended milling heads

Dexin BF series heavy vertical machining centers

Heavy vertical machining centers Dexin BF series incorporating box guideways treated with Turcite low-friction polymer lining. Four hardened guideways along Y-axis prevent table overhang deflection, maintaining rigid dimensional stability during high-volume rough milling runs.

Induction-hardened box guideways with 2 mm treatment depth and HRC 55 hardness
Spindles with ISO40 and ISO50 tapers available with belt, direct or geared drives
Preloaded class C3 precision ball screws deployed across all motion axes
Automatic tool change magazines accommodating 24 or 32 tool stations

Dexin AF series high-speed vertical centers

High-dynamic vertical machining centers Dexin AF series fitted with precision linear roller guideways. The machines deliver rapid acceleration rates, minimal frictional resistance and refined surface finish tolerances during fine finishing and high-speed profiling operations.

Heavy-duty linear roller guideways facilitating rapid axis positioning
Direct-drive high-speed spindle options reaching 12000 to 15000 rpm
Longitudinal X-axis traverse options spanning from 850 to 2000 mm
Rapid arm-type automatic tool changer completing tool swaps in 1.8 seconds

Dexin AH series horizontal machining centers

Horizontal machining centers Dexin AH series (AF500A, AF500plus) equipped with rotary indexing tables and automatic pallet changer (APC) units. Machines are designed for continuous multi-face milling of housing components across volume engineering manufacturing lines.

Interchangeable pallet dimensions of 500 x 500 mm with precision grid holes
Geared ISO40 spindle mechanism delivering continuous torque up to 8000 rpm
Rotary table angular indexing precision available in 1 degree or 0.001 degree increments
High-volume rear chip disposal channel with pressurized bed flushing nozzles

Spindles, rotary tables and Dexin machine units

Functional sub-assemblies and replacement components for Dexin CNC machinery: mechanical ISO40 and ISO50 spindles, high-speed electro-spindles, A/B/C-axis tilting rotary tables, angular milling attachment heads and precision ground class C3 preloaded ball screw pairs.

Spindle cartridges and built-in electro-spindles rated up to 24000 rpm
Direct-drive tilting rotary tables featuring hydraulic clamp braking systems
Preloaded ground ball screws and high-precision linear roller rail systems
Right-angle milling heads and automatic tool change carousel mechanisms

Meehanite alloy iron structures and vibration damping in Dexin machinery

The load-bearing machine beds, columns and gantry crossbeams across Dexin Machinery CNC centers are poured from fine-grain Meehanite alloy iron and undergo thermal stress-relief aging processes.

The engineered box-frame architecture with thick internal ribbing absorbs low-frequency vibrations generated during high-torque milling of difficult alloys and hardened steels.

The substantial mass of the iron base structure prevents guideway deflection under the weight of heavy workpieces, maintaining sub-micron geometric alignment throughout prolonged continuous operations under demanding acceleration cycles.

High-speed spindle units and motorized spindle assemblies for milling centers

Dexin milling centers integrate precision cartridge spindles and dynamic electro-spindles configured with ISO40 and ISO50 tool tapers. Direct-drive configurations eliminate belt slippage and harmonic vibration, achieving rotational speeds between 10000 and 24000 rpm.

Heavy bridge and vertical mills incorporate a two-speed planetary gearbox delivering heavy torque across lower speed bands.

Spindle assemblies feature duplex hybrid ceramic bearings lubricated via micro-metered air-oil systems and protected by liquid refrigeration jackets, preventing thermal growth of the drive arbor and protecting cutting tool geometry.

Turcite sliding box guideways and high-precision linear roller guideway systems

Heavy-duty vertical milling centers in the BF series employ rectangular box guideways hardened through induction treatment to depths beyond 2 mm and HRC 55 hardness.

Contact saddle surfaces are bonded with Turcite low-friction composite liners, ensuring smooth micro-feeding without stick-slip motion while protecting sliding ways from wear.

High-speed milling centers in the AF series utilize heavy-duty linear roller guide systems. The cylindrical roller runner blocks deliver balanced radial and axial load capacity while preserving rapid traverse dynamics and rigidity.

Kinematics of 5-axis tilting rotary tables and direct-drive torque axes

Five-axis machining centers in the Dexin LX series facilitate simultaneous multi-coordinate contour milling of complex aerospace impellers, turbine components and tooling molds.

The C-series incorporates a dual-axis trunnion table providing A-axis tilt up to 240 degrees and continuous 360-degree C-axis rotation driven by high-torque direct-drive motors.

Rigid angular positioning is maintained by heavy-duty hydraulic disc brake assemblies that clamp the rotary table rigidly during aggressive end milling without angular backlash.

Axis motion drive systems utilizing precision ground class C3 ball screws

Axis positioning across X, Y and Z axes is driven by precision ground ball screw assemblies manufactured to class C3 accuracy standards. Preloaded double-nut assemblies eliminate axial backlash and compensate for elastic deformation during high-frequency reversal sequences.

Ball screw shafts are supported by angular contact thrust bearing blocks with preloading and coupled to brushless AC servo motors via zero-backlash bellows couplings characterized by high torsional stiffness.

Engineering protocols for component identification from manufacturer nameplates

Precise identification of replacement sub-assemblies, spindle cartridges, linear guide shoes and repair sets for Dexin machine tools requires the original metal nameplate fixed to the side of the main machine column.

The nameplate indicates machine series, full model code, manufacturing serial number and production year.

Because spindle taper options, guideway styles and tool magazine capacities vary across production batches, technical verification based on serial records and nameplate photographs prevents mounting discrepancies.

DEXIN GROUP / Dexin Machinery and model names are trademarks of their respective owners and are used only to identify the equipment for which we source parts. SpareX is not an official dealer, distributor or representative of DEXIN GROUP / Dexin Machinery and is not affiliated with the trademark owner. Origin, documents and warranty are stated for each item in the quotation.