CNC Machine Frame Assembly Manufacturing
We have accumulated 20 years of experience in manufacturing metal frames for CNC machines. Additionally, we own a range of own-brand equipment, including laser cutting machines, pipe cutting machines, engraving machines, and welding machines, which have been sold worldwide with a total sales volume of

CNC Machine Bed/Base
- Cast Iron Machine Bed
- Premium Material: Made of HT300 high-strength cast iron, featuring uniform and dense texture with rigidity far exceeding ordinary cast iron.
- Vibration Resistance & Stress Relief: Undergoes artificial aging treatment (550-600℃ heat preservation), fully releasing internal stress—machining vibration attenuation rate increased by 40%.
- High Precision Guarantee: Flatness ≤0.02mm/m after precision grinding; long-term deformation <0.01mm, stably supporting machining accuracy.
- Application Scenarios: Suitable for heavy-duty cutting and high-precision CNC equipment (laser cutters, milling machines, machining centers).
- Welded Steel Machine Bed
- High-Strength Material: Adopts thickened manganese steel plates, cut by in-house laser cutting machines for precise blanking—tensile strength ≥690MPa.
- Rigid Welded Structure: Box-type frame design with robotic welding technology, local reinforcement at stress points—rigidity enhanced by 25% vs. ordinary welded beds.
- Lightweight & Efficient: 30% lighter than cast iron beds, ideal for mobile CNC units; production lead time shortened by 40% (no casting cooling wait).
- Application Scenarios: Suitable for medium-light duty CNC equipment (small laser cutters, engravers, portable milling machines) and high-speed machining.
CNC Machine Gantry/Beam
Cast Iron CNC Gantry/Beam
- Crafted from HT250/HT300 high-strength cast iron, this heavy-duty CNC beam boasts uniform texture and superior anti-vibration performance—core to stable high-precision machining.
- Features one-piece casting combined with artificial aging stress relief, ensuring long-term deformation <0.01mm/1000mm; precision grinding achieves linearity error ≤0.01mm/1000mm for reliable accuracy retention.
- Ideal for heavy-duty CNC machines, large machining centers, and heavy-duty laser cutters, perfectly suited for high-load cutting and long-term continuous operation scenarios.

Welded Steel CNC Gantry/Beam
- Made of thickened manganese steel/carbon steel plates, precisely cut by our in-house laser cutting machines to form a box-type reinforced robotic welded steel beam.
- Uniform welds from robotic welding and local reinforcement at stress points boost rigidity by 25% vs. ordinary welded beams, balancing performance and cost-effectiveness for universal use.
- A versatile choice for laser cutters, medium milling machines, and engravers, supporting fast customization to meet diverse non-standard CNC gantry requirements.

One-Piece Aluminum CNC Gantry/Beam
- Constructed with 6061/7075 aerospace-grade aluminum alloy, this lightweight aluminum machine beam offers excellent heat dissipation and 50% less weight than cast iron alternatives.
- Undergoes one-piece extrusion/CNC integrated machining plus anodized surface treatment, reducing energy consumption during high-speed operation for high-speed CNC equipment.
- Perfect for high-speed drilling and tapping centers, small laser engravers, and high-frequency mobile devices, excelling in high-speed machining with stable precision.

Aluminum Profile CNC Gantry/Beam
- Composed of industrial standard aluminum profiles, this modular CNC beam enables easy disassembly and assembly for flexible configuration.
- Cost-effective with corrosion-resistant anodized surfaces, supporting fast bulk delivery and customized size adjustments to fit small-scale production needs.
- Ideal for desktop engravers, small non-standard machines, and light-duty processing units, perfectly matching low-load machining and rapid prototype projects.

CNC Gantry Comparison
| Comparison Dimension | Cast Iron CNC Gantry/Beam | Welded Steel CNC Gantry/Beam | One-Piece Aluminum CNC Gantry/Beam | Aluminum Profile CNC Gantry/Beam |
|---|---|---|---|---|
| Core Material | HT250/HT300 high-strength cast iron | Thickened manganese steel/carbon steel plates | 6061/7075 aerospace-grade aluminum alloy | Industrial standard aluminum profiles |
| Manufacturing Process | One-piece casting + artificial aging stress relief + precision grinding | In-house laser cutting + robotic welding (box-type structure) + local reinforcement | One-piece extrusion/CNC integrated machining + anodizing | Aluminum profile assembly + modular design |
| Rigidity Performance | High (optimal vibration resistance) | Medium-high (balanced rigidity & toughness) | Medium (meets rigidity requirements in lightweight design) | Medium-low (only for low-load applications) |
| Weight Characteristic | Heavy (60%+ heavier than aluminum types) | Medium (30% lighter than cast iron) | Light (50% lighter than cast iron) | Lightest (20% lighter than one-piece aluminum gantry) |
| Suitable Equipment | Heavy-duty CNC machines, large machining centers, heavy-duty laser cutters | Universal laser cutters, medium milling machines, engravers | High-speed drilling and tapping centers, small laser engravers, high-frequency mobile equipment | Desktop engravers, small non-standard machines, light-duty processing units |
| Load Capacity | High (suitable for heavy-load cutting/heavy workpiece machining) | Medium-high (suitable for medium-heavy load processing) | Medium (suitable for medium-light load high-speed processing) | Low (only for light-load processing) |
| Precision Retention | Excellent (long-term deformation <0.01mm/1000mm) | Good (deformation <0.02mm/1000mm) | Good (stable precision during high-speed operation) | Fair (minor deformation possible under heavy load) |
| Cost Level | Medium-high | Medium (best cost-performance ratio) | Medium-high (high material & process cost) | Low (most cost-effective) |
| Core Advantages | Strong vibration resistance, stable precision, long service life | Balanced rigidity, flexible customization, short production lead time | Lightweight, good heat dissipation, low energy consumption for high-speed operation | Easy assembly/disassembly, fast bulk delivery, controllable cost |
| Application Scenarios | Heavy-load cutting, high-precision machining, long-term continuous operation | Universal processing, medium-heavy load, customized equipment | High-speed processing, high-frequency movement, light-duty high-precision requirements | Low-load processing, small equipment, rapid iteration non-standard projects |
FAQs
What are the core differences between cast iron beds and welded steel beds?
-Cast iron beds (HT300 material): High rigidity, excellent vibration resistance, suitable for heavy cutting and high-precision equipment; require artificial aging treatment to release internal stress.
– Welded steel beds (thickened manganese steel plate): 30% lighter than cast iron, shorter production cycle, suitable for medium-light duty equipment and high-speed machining; adopt robotic welding + stress point reinforcement, with 25% higher rigidity.
How to distinguish the application scenarios of the four types of gantries/beams?
-Cast iron gantry: Heavy-load cutting, large machining centers, ideal for long-term continuous operation.
– Welded steel gantry: Strong versatility, supports medium-heavy loads and non-standard customization, optimal cost-performance ratio.
– Integrated aluminum gantry: High-speed machining, high-frequency moving equipment (e.g., high-speed drilling and tapping centers), good heat dissipation and low energy consumption.
– Aluminum profile gantry: Small equipment, light-load machining (e.g., desktop engraving machines), flexible assembly and lowest cost.
How does precision retention perform for different gantries?
– Cast iron gantry: Long-term deformation <0.01mm/1000mm, most stable precision.
– Welded steel gantry: Deformation <0.02mm/1000mm, meets most general machining requirements.
– Integrated aluminum gantry: Stable precision during high-speed operation.
– Aluminum profile gantry: May have slight deformation under heavy loads.
What is the relationship between load capacity and material?
– Cast iron gantry: Highest load capacity, suitable for heavy workpiece machining.
– Welded steel gantry: Supports medium-heavy loads.
– Integrated aluminum gantry: Suitable for medium-light loads.
– Aluminum profile gantry: Only applicable for light-load scenarios.
Is non-standard size customization available?
– Welded steel gantries and integrated aluminum gantries support rapid customization to meet diverse non-standard requirements.
– Aluminum profile gantries allow flexible size adjustment, suitable for small-batch non-standard projects.
Are there differences in production and delivery time for different beds/gantries?
– Welded steel beds do not require casting and cooling waiting, with a 40% shorter production cycle than cast iron beds.
– Aluminum profile gantries support batch rapid delivery; delivery time for customized products needs to be confirmed based on specific specifications.
What is the cost ranking of the four types of gantries?
From high to low: Cast iron gantry ≈ Integrated aluminum gantry (mid-high cost) > Welded steel gantry (medium cost, optimal cost-performance) > Aluminum profile gantry (low cost).
Will lightweight design affect equipment rigidity?
– Integrated aluminum gantry (50% lighter than cast iron) meets the rigidity requirements of lightweight equipment through aerospace-grade aluminum alloy material and integrated machining process.
– Aluminum profile gantry has medium-low rigidity, only suitable for low-load scenarios; avoid heavy-load use.

















