MIM Lock Cylinder – Mirror Polished Finish
Technical Specifications
Material：SUS 316L
Dimensions： Ø 32 mm × 32.6 mm
Weight：43.46 g
Surface Finish：Mirror Polish + Spot Painting
Dimensional Tolerance：±0.5% of nominal dimensions (as per 2D drawing)
Process：MIM (Metal Injection Molding)
Application：Smart Lock / Outdoor Lock Systems
*This component was developed from customer drawings and optimized for mass production via MIM.*
Material Properties – SUS 316L
Chemical Composition (%):
C ≤ 0.03 | Cr 16–18 | Ni 10–14 | Mn ≤ 2 | Mo 2–3 | Si ≤ 1 | Fe Balance
As-Sintered Mechanical Properties (no heat treatment) :
Density: ≥ 7.9 g/cm³
Yield Strength (RP₀.₂): ≥ 180 MPa
Ultimate Tensile Strength: ≥ 510 MPa
Elongation (A10): ≥ 50%
Hardness: ≥ HV120
Typical values based on ISDN’s internal process parameters using MIM-grade 316L feedstock.
Manufacturing Process Overview
This part was manufactured through a full MIM process with surface finishing and marking included. The workflow includes:
Injection Molding → Debinding → Sintering → Sizing → Mirror Polishing → Spot Painting → Final Inspection
All steps are controlled to ensure stable dimensions and surface consistency in high-volume production.
Applications:
- Electronic Access Control Housings
- Smart Lock Core Housing
- Mechanical Cylinder Lock Bodies
- Outdoor Lock Enclosures
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