MIM Embroidery Machine Swing Arm – SUS 420
Technical Specifications
Material: SUS 420
Dimensions: 38.5 × 20 × 10.2 mm
Weight: 9 g
Surface Finish : As-sintered
Hardness: ≥ HV180 (as sintered)
Dimensional Tolerance: ±0.5% of nominal dimensions (as per 2D drawing)
Process: MIM (Metal Injection Molding) + Sizing + Tapping
Application: Textile Equipment / Embroidery Machine Linkage / Actuation Arms
This swing arm was developed for textile automation, molded via MIM and post-sinter sizing to ensure structural precision and consistent torque transmission. It features tapped holes for assembly and as-sintered surfaces for cost-effective production.
Material Properties – SUS 420
Chemical Composition (%):
C 0.15–0.40 | Cr 12–14 | Si ≤ 1 | Mn ≤ 1 | P ≤ 0.04 | S ≤ 0.03 | Fe Balance
Mechanical Properties:
Density: ≥ 7.2 g/cm³
Hardness: ≥ HV180
Tensile Strength: ≥ 550 MPa
Yield Strength: ≥ 300 MPa
Elongation: ≤ 3%
Manufacturing Process Overview
The part is molded through MIM, sintered for consolidation, then sized to correct shrinkage and tapped for functional assembly. No post-treatment or surface coating is applied.
Injection Molding → Debinding → Sintering → Sizing → Tapping → Inspection
Applications
- Embroidery Machine Motion Arms
- Textile Machinery Linkage Components
- Sewing and Weaving Equipment Moving Parts
- Industrial Motion Systems
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