Carbon steel casting

ironsteelaluminum

Product Overview
Bracket Link precision structural connectors from Hansheng Automation are engineered for high-performance applications, offering a one-stop solution from casting to micron-level machining. These components are suitable for a wide range of industries, including heavy machinery, industrial automation, power transmission, and agricultural equipment.

Why Choose Hansheng Automation?
Hansheng Automation provides a complete turnkey solution for Bracket Links and structural connection parts. Leveraging expertise in manufacturing high-precision transmission components, the company brings "Gear-Class Precision" to structural castings. Whether you require a massive ductile iron bracket for heavy machinery or a lightweight aluminum link for automation, Hansheng delivers ready-to-assemble components with tolerances as tight as ±0.005mm.

Key Product Features

• Unmatched Machining Precision: Bracket links are processed in the same workshop as precision gearboxes. Powered by Taesin CNC Milling and Brother CNC Lathes, Hansheng achieves ±0.005mm in milling and turning, and ±0.002mm in grinding. This ensures a perfect fit for bearings, shafts, and pins without additional rework.
• Large-Scale & Heavy Duty Capacity: Foundry capabilities extend to 3800 × 1500 × 1200mm, and Horizontal Machining Centers can process parts up to 2100 × 1060mm. Ideal for construction machinery, mining equipment, and large industrial frames.
• Diverse Casting Processes:
  • Sand Casting: Cost-effective for large iron/steel brackets.
  • Lost Foam Casting: Suitable for complex geometries with no draft angles.
  • Gravity Casting: High-density options for aluminum alloy links.

Material & Process Specifications
Feature
Details
Material Options

• Ductile Iron: GGG40, GGG50, GGG60 (High Strength)
• Grey Iron: GG20, GG25 (Vibration Damping)
• Carbon/Alloy Steel: 4140, 42CrMo, WCB
• Aluminum: A356, ZL101 (Lightweight)

Casting Methods
Resin Sand Casting, Green Sand Casting, Lost Foam, Gravity Casting
Machining Capabilities
CNC Milling, Boring, Turning, Grinding, Wire EDM (Seibu M50B)
Heat Treatment
Normalizing, Annealing, Quenching & Tempering (Q&T), Stress Relieving
Surface Treatment
Shot Blasting, Primer Painting, Powder Coating, Anodizing, Anti-rust Oil

Technical Parameters and Tolerances

• Precision Milling: ±0.005mm
• Precision Turning: ±0.005mm
• Super Mirror Finishing: ±0.002mm
• Casting Tolerance: ISO 8062 CT10-CT12 (Sand), CT7-CT9 (Lost Foam/Precision)

Max Processing Dimensions:

• Casting: 3800mm × 1500mm × 1200mm
• CNC Machining: 2100mm × 1060mm (Horizontal Center)
• Quality Standard: ISO 9001 Certified

Quality Assurance

• Inspection standards for structural brackets are exceptionally rigorous, matching those for precision gears (ISO Level 5).
• CMM Inspection: Verification of all spatial dimensions and geometric tolerances (GD&T).
• NDT (Non-Destructive Testing): Ultrasonic and Magnetic Particle Inspection to ensure no internal cracks or porosity in the casting.
• Equipment: Gear Inspection Machines (for complex profiles), Hardness Testers.

Applications

• Heavy Construction Machinery: Bucket links, boom pivots, and chassis brackets for excavators and loaders.
• Industrial Automation: Robot base connecting arms, precision rail supports (requiring high flatness).
• Power Transmission: Mounting brackets for planetary gearboxes and motors.
• Agricultural Equipment: High-strength linkage arms for tractors and harvesters.

FAQ

• Machining: 100% of the precision machining is performed in-house with advanced equipment, ensuring full control over quality and schedule.
• Tight Tolerance: Bore tolerances of H6/H7 and position tolerances within ±0.005mm are achievable using high-end CNC centers.
• 3D File Formats: STEP (.stp), IGES (.igs), X_T, and SolidWorks files are accepted, along with 2D PDF drawings for tolerance specifications.
• Low-Volume Orders/Prototypes: Rapid prototyping is supported via CNC machining from solid block or 3D printed sand molds before mass production casting.

Characteristics / Technical Specifications

• Material options: Ductile Iron (GGG40, GGG50, GGG60), Grey Iron (GG20, GG25), Carbon/Alloy Steel (4140, 42CrMo, WCB), Aluminum (A356, ZL101)
• Casting methods: Resin Sand Casting, Green Sand Casting, Lost Foam, Gravity Casting
• Machining: CNC Milling, Boring, Turning, Grinding, Wire EDM
• Heat treatment: Normalizing, Annealing, Quenching & Tempering, Stress Relieving
• Surface treatment: Shot Blasting, Primer Painting, Powder Coating, Anodizing, Anti-rust Oil
• Machining tolerance: ±0.005mm (milling/turning), ±0.002mm (grinding)
• Casting tolerance: ISO 8062 CT10-CT12 (Sand), CT7-CT9 (Lost Foam/Precision)
• Max casting size: 3800mm × 1500mm × 1200mm
• Max CNC machining size: 2100mm × 1060mm
• Quality standard: ISO 9001 Certified
• Inspection: CMM, NDT (Ultrasonic, Magnetic Particle), Gear Inspection Machines, Hardness Testers