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Mold 3D Printing

✓ Conformal cooling channels for 50% faster cycle times
✓ Rapid tooling with 5-7 day lead time (vs. 4-6 weeks CNC)
✓ Hybrid molds (3D printed inserts + traditional base)

Why 3D Printed Molds Revolutionizes Mold Manufacturing

Laser-based SLM unlocks unprecedented mold performance:

•  Complex cooling channels: Eliminate hot spots, reduce warping by 30%
•  Material versatility: Tool steels, maraging steels, copper alloys
•  Lightweighting: 40% weight reduction with lattice structures

Technical Specifications

  • Parameter H1318Ni300CuCrZr
  • Particle Size (μm) 15-45 (SLM optimized)20-53 (SLM optimized)15-45 (SLM optimized)
  • Flowability (ASTM B213) 28s/50g30s/50g25s/50g
  • Apparent Density (g/cm³) 4.24.54.0
  • Oxygen Content (ppm) ≤800≤500≤300
  • Sphericity ≥0.88≥0.85≥0.90

3D Print Mold Materials for SLM/DMLS

Material Grade

Key Advantages

Target Industries

H13 Tool Steel

High hot hardness (50 HRC @ 500°C)

Injection molds, die casting

18Ni300 Maraging Steel

Ultra-high strength (2000+ MPa UTS post-aged)

Precision stamping dies

CuCrZr (C18150)

High thermal conductivity (320 W/m·K)

Hybrid cooling inserts

Why APTPROTOTYPE for 3D Printing Molds?

1. Conformal Cooling Expertise

✓ AI-driven channel optimization (Maximize heat transfer efficiency)

✓ CT-scanned cooling uniformity reports

2. Certified Durability

✓ H13: Vacuum heat treatment for 52 HRC hardness

✓ 18Ni300: 48h aging cycle for 2000 MPa UTS

✓ HIP post-processing for <0.05% porosity

3. Hybrid Mold Solutions

✓ SLM-printed inserts + CNC-machined base plates

✓ Seamless integration with EDM electrodes

4. Rich experience in mold manufacturing.

✓ 3d printed injection mold

✓ 3d print silicone mold

✓ 3d print heat molding

✓ 3d printed candle mold

✓ 3d printed sand molds

✓ 3d print resin mold

Value-Added Services for 3D Printed Molds at Aptprototype

Enhance mold performance with:

Surface treatments: DLC coating (0.2μm, HV 3000)

✓ Stress relief: Cryogenic treatment (-196°C)

✓ Validation: 100k-cycle endurance testing

Our cases of Tooling 3D Printing parts

FAQ

Q: How much does a 3D printed mold cost compared to CNC?

A: Initial cost 20-50% higher, but ROI achieved in 6-12 months via:
• 50% faster cycle times

• 3x longer tool life (18Ni300)

Build Size (mm)

Materials

Typical Use

400 × 400 × 400

H13, CuCrZr

Automotive bumper molds

600 × 600 × 600

18Ni300

Aerospace composite tooling


Q: Can you repair damaged molds via 3D printing?

Yes – DED cladding rebuilds worn surfaces with 99% material matching.

our vision and mission

With 20 years of growth and innovation, we are committed to providing the best digital manufacturing experience in the industry.