Fourth Dimension Modern Foundry

Quality Standards

Fourth Dimension Modern Foundry

Precision Engineering • Consistent Excellence • Customer Satisfaction

Last updated: January 1, 2025

Our Quality Commitment

At Fourth Dimension Modern Foundry, quality is not just a goal—it's our foundation. We combine traditional craftsmanship principles with cutting-edge additive manufacturing technology to deliver parts that meet the highest standards of precision, consistency, and reliability.

1. Dimensional Accuracy Standards

Standard Tolerances:

  • FDM/FFF: ±0.2mm (±0.008")
  • Resin (SLA): ±0.1mm (±0.004")
  • Layer height: 0.1-0.3mm
  • Surface finish: Ra 6.3μm typical

Precision Options:

  • High-precision: ±0.05mm available
  • Custom tolerances by request
  • Post-processing for tighter specs
  • Measurement reports available
2. Material Quality Assurance

Material Standards:

  • Virgin materials only (no recycled filament)
  • Certified material suppliers
  • Proper storage conditions maintained
  • Material certificates available

Testing & Validation:

  • Batch testing for consistency
  • Mechanical property verification
  • Color consistency monitoring
  • Contamination prevention protocols

Material Certifications Available:

FDA Food Safe
USP Class VI
ISO 10993
UL Listed
REACH Compliant
3. Process Control & Monitoring

Equipment Calibration:

  • Daily printer calibration checks
  • Temperature monitoring and logging
  • Bed leveling verification
  • Extruder flow rate validation

Environmental Controls:

  • Climate-controlled environment
  • Dust-free production area
  • Humidity monitoring
  • Vibration isolation
4. Inspection & Quality Control

Multi-Stage Inspection Process:

1
Pre-Production Review

File analysis, printability assessment, and optimization recommendations

2
In-Process Monitoring

Real-time print monitoring, layer adhesion checks, and progress documentation

3
Post-Production Inspection

Dimensional verification, surface quality assessment, and functional testing

4
Final Quality Approval

Complete quality checklist, packaging inspection, and delivery preparation

Measurement Tools:
  • • Digital calipers (±0.01mm accuracy)
  • • Coordinate measuring machine (CMM)
  • • Surface roughness tester
  • • Optical comparator
Documentation:
  • • Inspection reports available
  • • Measurement certificates
  • • Process parameter logs
  • • Traceability records
5. Delivery & Service Standards

Delivery Commitments:

  • Standard delivery: 24-48 hours
  • Rush orders: Same day available
  • Progress updates provided
  • Delivery confirmation required

Customer Service:

  • 24-hour quote response time
  • Technical consultation included
  • 7-day quality guarantee
  • Free reprints for quality issues
6. Continuous Improvement

We are committed to continuously improving our processes and capabilities:

Quality Metrics:

  • First-pass yield: >95%
  • On-time delivery: >98%
  • Customer satisfaction: >99%
  • Zero defect goal

Improvement Initiatives:

  • Regular process audits
  • Customer feedback integration
  • Technology upgrades
  • Staff training programs
Quality Guarantee

We stand behind every part we produce. If you're not completely satisfied with the quality of your order, we will work with you to make it right.

Our Promise:

  • • Free reprints for quality defects
  • • 7-day inspection period
  • • Full refund for unsatisfactory work
  • • Expedited replacement service

Contact Quality Team:

Email: quality@4dmf.com

Phone: 904.341.5335

Response: Within 4 hours

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