Description

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Qingdao Hailong Machinery Technology Co., Ltd. is one of the leading manufacturers and suppliers of machine tool column in China, featured by quality products and good service. Welcome to buy durable machine tool column made in China here and get pricelist from our factory. Also, customized service is available.

Core Advantages

High-rigidity Heavy-duty Structure: Integral casting molding, uniform wall thickness (15-50mm), box-type/ribbed plate reinforced design, bending strength ≥350MPa, torsional stiffness increased by 30%, deformation ≤0.02mm/m under heavy-load conditions.
Precision Casting Process: Resin sand/lost foam casting, dimensional accuracy grade CT8-CT10, key processing surface precision ≤±0.01mm, surface roughness Ra≤1.6μm, assembly fit error ≤0.015mm.
High-quality Material Adaptation: HT250/HT300 gray cast iron, QT450/QT500 ductile iron, high temperature resistance (≤400℃), wear resistance, no sand holes or air holes inside the casting, flaw detection up to standard (UT/MT Level 2).
Industrial Adaptability: Compatible with vertical/horizontal machine tools, gantry machining centers, etc., supporting customized design (height 1000-5000mm, width 500-2000mm), reserved guide rail installation, oil circuit/electric circuit interfaces.
Stable and Durable: Aging treatment (natural aging 28 days/artificial aging), eliminating internal stress, service life ≥10 years, machine tool operation vibration ≤0.03mm/s.

Adaptable Industries & Scenarios

Core Industries: Machine Tool Manufacturing, Industrial Equipment, Mechanical Processing, Auto Parts Processing, Mold Processing;
Typical Applications: CNC Machine Tool Columns, Machining Center Columns, Gantry Milling Machine Columns, Boring Machine Columns, Grinding Machine Columns.

Key Technical Specifications

Parameter Type	Core Specifications
Material Type	HT250/HT300 Gray Cast Iron, QT450/QT500 Ductile Iron
Casting Process	Resin Sand Casting, Lost Foam Casting
Size Range	Height 1000-5000mm, Width 500-2000mm, Wall Thickness 15-50mm
Dimensional Accuracy	Grade CT8-CT10, Key Dimensional Tolerance ≤±0.01mm
Mechanical Properties	Tensile Strength ≥250MPa, Bending Strength ≥350MPa, Hardness HB180-240
Surface Quality	Roughness Ra≤1.6μm, Flaw Detection Standard UT/MT Level 2
Aging Treatment	Natural Aging 28 Days/Artificial Aging (200-300℃, 8-12 Hours)

Quality & Service

Test Reports: Material analysis report, dimensional inspection report, flaw detection report, aging treatment report;
After-sales Guarantee: 1-year warranty, providing installation guidance, precision calibration service, lifelong technical support;
Customization Service: Customized size, material, structural design on demand, supporting processing according to drawings and collaborative R&D;
Delivery Cycle: Sample/small batch 30-60 days, large batch 60-120 days, emergency order as fast as 25 days.