304 Stainless Steel Positioning Bracket & Fixture Base Precision Casting

304 Stainless Steel Positioning Bracket & Fixture Base Precision Casting

In precision manufacturing, every micron matters. Our 304 stainless steel positioning brackets and fixture base components are engineered to be the foundation of accuracy in your production line. Manufactured using the lost-wax investment casting process, each component achieves complex geometries with consistent dimensional repeatability — delivering the structural rigidity and positional accuracy that modern CNC machining, robotics, and assembly automation demand.

Material Properties

• Grade: AISI 304 (equivalent to 1.4301 / SUS304)
• Tensile Strength: ≥515 MPa
• Yield Strength: ≥205 MPa
• Hardness: ≤201 HB
• Corrosion Resistance: Excellent resistance to oxidation, moisture, mild acids, and industrial chemicals
• Temperature Range: Suitable for continuous use up to 870°C in non-cyclic conditions
• Hygienic: Non-magnetic in annealed condition; suitable for food-grade and medical environments

Casting Process & Quality

• Process: Lost-wax investment casting for complex near-net-shape geometries
• Dimensional Tolerance: CT6 per ISO 8062 standard
• Surface Roughness: Ra 3.2–6.3 μm as-cast; further finishing available upon request
• Post-processing options: CNC machining, grinding, polishing, passivation, sandblasting
• Quality inspection: 100% dimensional check; CMM inspection available for critical features

Key Features

• High rigidity: Dense, void-free castings withstand clamping forces, vibration, and repeated loading cycles
• Tight tolerances: Ensures accurate part positioning and repeatable clamping performance across production runs
• Versatile mounting configurations: Custom hole patterns, slots, dowel pin holes, and threaded inserts available
• Corrosion and wear resistant: Maintains performance in coolant-rich, humid, or chemically active environments
• Custom specifications: Base dimensions, wall thickness, mounting interfaces, and surface treatments per your drawings or samples

Applications

• CNC machining fixture bases and tombstones
• Robotic arm mounting brackets and end-effector bases
• Precision assembly jigs and locating fixtures
• Semiconductor and electronics manufacturing equipment
• Medical device manufacturing and cleanroom fixtures
• Automotive assembly line tooling and gauging fixtures
• Optical and metrology instrument bases

Custom Order Process

1. Submit your drawing (DXF, DWG, STEP, or PDF) or sample
2. Receive a detailed quotation within 24–48 hours
3. Approve prototype before mass production
4. Delivery: typically 30 days depending on complexity and quantity

Ready to get started? Contact us for a custom quote — our engineering team is ready to assist.