HTX Quality Assurance | Mold Parts QC & Certification
Quality Assurance | HTX Precision Mold Component Manufacturer
Learn how HTX ensures top-tier quality for custom punches, ejector pins, guide bushes and die springs through ISO systems, PPAP/FAI, SPC, and traceable inspection processes.
Our quality assurance process ensures the highest standards of precision and reliability in every product. From raw material inspection to final delivery, we implement strict controls and testing at each stage to guarantee consistent performance and minimize defects.
HTX Quality Assurance Philosophy
At HTX, quality isn’t just a department—it’s a philosophy embedded in every step of our manufacturing process. From initial engineering consultation to final shipment, we ensure each custom mold component meets industry-best standards and customer expectations.
Diameter Check
Accurate diameter measurements with a tolerance of ±0.002mm.
Length Check
Precise length measurements to ensure accuracy.
R Check
Checks radius and curvature with high precision.
Surface Finish
Inspecting surface finish for smoothness and flawless surfaces.
Hardness Test
Ensuring materials meet required hardness standards.
Vertical Check
Verifying verticality with precise 2D equipment.
Inspection Report
Each product is shipped with a detailed inspection report.
Packaging
Cleaned, labeled, and safely packed for secure delivery.
Certifications & Quality Management Systems
ISO 9001:2015 Certified
Ensuring consistency in quality processes across design, manufacturing, inspection, and delivery
PPAP & FAI Compliance
First Article Inspection and Production Part Approval capabilities validated for high-reliability industries
SPC & Statistical Control
Real-time process monitoring using X‑bar/R charts and capability studies (Cp, Cpk) to sustain stable, repeatable output
Quality Control Workflow (QMS Steps)
Professional processes support applications in various industries
Incoming Material Check
Certificate of Analysis (CoA) verification; in-house testing (e.g., MFI, density) for raw material consistency
First Article Inspection (FAI)
Full part inspection against design specs before mass production; corrective feedback integrated before batch runs
In-Process QC & SPC
Control plan executed throughout production; hourly checks with SPC charts to catch drift early
Corrective & Preventive Action (CAPA)
Root cause analysis and process updates to eliminate defects and prevent recurrence
Documentation & Traceability
Maintain inspection records, audit trails, control plans, and customer reports per ISO/PPAP standards
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Full Custom Service
One stop solution from drawing to delivery
·Mirror polishing, wire EDM, cylindrical grinding, CNC finishing
·Surface treatments: nitriding, DLC/TiCN coatings, PVD
·Heat treatment control for hardness and toughness balance
·Tolerance control down to ±0.002mm
·Non-standard diameters, lengths, head shapes
·Special geometries (step punches, reverse tapers, custom flats)
·Tolerances for precision dies, medical tools, and high-speed stamping
·Batch customization for small & large volumes
·Tool steels: SKD61, DC53, HSS, M2, ASP23
·Stainless steels: 420, SUS304, 316L
·Carbide grades for extreme wear resistance
·Medical-grade materials (e.g. Ti6Al4V, CoCrMo)
·Guide post and guide bush matching
·Punch & die set tolerance fit (clearance optimization)
·Ejector pin and sleeve integration
·Progressive die, compound die, or injection mould matching
·Automotive stamping<br> ·Medical implant production<br> ·Electronic connector tooling<br> ·Home appliance metal parts<br> ·High-speed progressive dies