Qingdao Hailong Machinery Technology Co., Ltd. is one of the leading manufacturers and suppliers of machine columns in China, featured by quality products and good service. Welcome to buy durable machine columns made in China here and get pricelist from our factory. Also, customized service is available.
High Rigidity Lost Foam Cast Machine Columns, Stable Support for CNC Machine Tools
Product Introduction
Our machine columns are core load-bearing castings for machining centers and gantry mills. Made of HT300 gray cast iron or QT450 ductile iron via integral lost foam casting. Double stress relief treatment ensures long-term precision and anti-deformation performance. Custom sizes and finishing services are available.
Key Specifications
| Item | Range |
|---|---|
| Outer Diameter | 50-300mm (Customizable) |
| Number of Blades | 3-8pcs |
| Shaft Hole Diameter | 10-50mm (Keyway/Spline Optional) |
| Surface Roughness | Ra≤3.2μm |
| Working Temperature | -20℃~120℃ (Up to 300℃ for high-temp materials) |
| Working Pressure | 0.5-5.0MPa |
Core Advantages
One-piece casting without splicing, excellent vibration resistance
Stable dimension after double aging treatment
Precise milled guide surfaces, high flatness & straightness
Integrated oil & cooling channels to save secondary processing
Sandblasted anti-rust surface treatment
Main Specifications
Material: HT300 / QT450
Process: Integral lost foam casting
Precision: Straightness ≤0.02mm/m
Service: Custom drawing casting & full finishing
Application
Gantry machining centers, vertical CNC mills, CNC grinders, automatic special equipment
Quality & Custom Service
Certified with ISO9001 & IATF16949. 100% dimension inspection before shipment. We customize size, structure, material and machining according to your 2D/3D drawings.
Packaging & Delivery
Wooden box or steel frame package for export. Standard lead time:7-15 days, custom molds:18-30 days. Complete export documents supplied.
Contact
One-stop casting & finishing factory for machine structural castings. Send drawings to get free quotation.
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