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Certifications and Quality Standards

ISO 9001:2015 quality management, CE marking under EU Machinery Directive, FEA frame validation, stress relief treatment and documented acceptance testing — the engineering basis of HS-FINEB press quality.

Quality Assurance

ISO 9001:2015 Certified & CE Marked

HS-FINEB operates under a quality management system certified to ISO 9001:2015 and produces fine blanking presses carrying CE marking under the EU Machinery Directive 2006/42/EC. These are not certificates on a wall — they are the framework for every engineering decision, manufacturing procedure and acceptance test that defines the quality of every press we build. This page explains what each certification means in practical terms for the buyer: what processes are controlled, what tests are performed, what documentation is provided, and how third-party inspection fits into the quality assurance process.

ISO 9001:2015 and CE certification certificates for HS-FINEB fine blanking machines
ISO 9001:2015

What Certification Means in Practice

HS-FINEB HF-650 fine blanking press complete unit with hydraulic system

ISO 9001:2015 certification means that HS-FINEB's quality management system has been independently audited and verified to meet international standards for design control, process management, traceability and continuous improvement. For the buyer, this translates into specific, auditable processes at every stage of press manufacturing:

  • Design control: Every press model's design is controlled through documented design reviews, verification and validation activities. Frame FEA analysis, hydraulic circuit sizing calculations and structural integrity assessments are documented and retained as design records. Design changes are controlled through formal change management — no undocumented field modifications.
  • Welding procedures: Frame welding follows qualified Welding Procedure Specifications (WPS). Welders are certified to the procedures they perform. Weld joints are inspected per documented acceptance criteria. Welding consumables (wire, flux, gas) are controlled and traceable to material certificates.
  • Machining tolerances: Every machined surface on the frame, platens, cylinders and guide ways has a documented tolerance specification on the engineering drawing. Machining is verified against the drawing — not "close enough" but measured and recorded. Platen flatness, guide way parallelism and cylinder bore roundness are all controlled dimensions.
  • Hydraulic assembly protocols: Hydraulic system assembly follows documented procedures: component identification and verification, fitting torque specifications, pipe cleanliness standards, pressure test protocols. Every hydraulic circuit is pressure-tested independently before system integration.
  • Acceptance test criteria: Every press undergoes Factory Acceptance Testing (FAT) against documented criteria: tonnage verification at 100% rated force, ram parallelism measurement, hydraulic pressure-holding test, and edge quality verification when customer material is available. Every measured parameter is recorded in the FAT report.
  • Traceability: Every major component — frame, hydraulic cylinders, control panel, motors, pumps — carries a serial number linked to the press build record. Material certificates for steel plate, hydraulic components and electrical parts are retained. If a component issue arises years after delivery, we can trace the component to its supplier, batch and installation date.
CE Marking

EU Machinery Directive 2006/42/EC Compliance

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CE Compliance Scope

All HF-series fine blanking presses carry CE marking, demonstrating compliance with the EU Machinery Directive 2006/42/EC. CE marking is a legal requirement for placing machinery on the European market and signals compliance with essential health and safety requirements (ESHR). The CE conformity assessment process for our presses includes:

  • Technical file: A comprehensive technical documentation file is maintained for each press model, including design drawings, risk assessment, test reports, operating manual and declaration of conformity
  • Risk assessment: Systematic identification and evaluation of hazards — mechanical, hydraulic, electrical, noise, ergonomic — with documented risk reduction measures implemented in the design
  • Essential health and safety requirements: Compliance with Annex I of the Directive, covering guarding, emergency stop systems, control system safety, hydraulic safety, electrical safety and information for use
  • Declaration of Conformity (DoC): An EU Declaration of Conformity is issued with each press, signed by the manufacturer, declaring compliance with applicable directives
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Safety Features

CE compliance requires specific safety design features on every press:

  • Light curtains: Safety light curtains at the operating zone, stopping the press before the operator can reach the die area during motion
  • Two-hand safety controls: Simultaneous two-hand operation required to initiate a blanking stroke, ensuring the operator's hands are clear of the die area
  • Emergency stop: Category 0 and Category 1 emergency stop buttons at multiple locations, stopping all motion and de-energizing hydraulic circuits
  • Hydraulic safety interlocks: Pressure relief valves, burst protection and lockout valves that prevent uncontrolled force application
  • Guarding: Fixed and interlocked guards preventing access to moving parts, pinch points and hydraulic hazards during operation
  • Lockout/tagout (LOTO): provisions for electrical and hydraulic isolation during maintenance
Engineering Validation

FEA & Stress Relief Treatment

Fine blanking machine frame structure showing welded construction and stress-relief treatment

Finite Element Analysis (FEA)

Every HF-series frame design is validated by Finite Element Analysis before production. FEA simulates the frame's structural behavior under rated cyclic loading — the repeated stress of thousands of blanking strokes per day. The analysis identifies stress concentration points, predicts deflection patterns and verifies that frame stiffness meets the specification for ram parallelism under full tonnage.

FEA is not a one-time exercise — frame designs are re-analyzed when material specifications change, when die area dimensions are customized for a specific customer, or when structural modifications are made for special applications. The analysis results are retained in the design record as part of the ISO 9001 design control documentation.

Stress Relief Treatment

After welding, every frame undergoes thermal stress relief treatment in a controlled furnace cycle: heating to 550–600°C, holding at temperature for 2–4 hours (depending on section thickness), and furnace cooling to ambient. This process eliminates the residual stresses introduced by welding — stresses that would otherwise cause the frame to distort and lose geometric precision over years of cyclic loading.

Stress relief is a step that separates presses built for fine blanking from general-purpose stamping machines. A frame that is not stress-relieved will drift — the platen that was flat at delivery will develop a bow over time, the guide ways that were parallel will tilt, and the ram parallelism that determines part quality will degrade. This is not theoretical: we have measured frame geometry drift on non-stress-relieved competitor presses during our refurbishment work.

Acceptance Testing

FAT Procedures: What We Measure

Tonnage Verification

The press is tested at full rated blanking force, V-ring force and counter-pressure. Hydraulic pressure is measured at the cylinder using calibrated pressure transducers, and force is calculated from cylinder bore area. The press must achieve 100% of rated force with pressure stability within ±2% under a 10-minute static hold test. The hydraulic system is also tested at 1.25× rated pressure (overload test) to verify structural integrity and relief valve function.

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Ram Parallelism

Dial indicators are placed at four corners of the die area. The ram is stroked through its full range — from upper to lower position — and parallelism deviation is measured at each position. Specification: within 0.02 mm/m² across the die area at full tonnage. This measurement directly determines part flatness and die clearance consistency. If any corner deviates beyond specification, the guide way fitting is re-scraped and re-tested.

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Hydraulic System Validation

Each hydraulic circuit (blanking, V-ring, counter-pressure) is independently tested: pressure-holding test (hold rated pressure for 10 minutes, leakage below 5%), leak test at all joints and fittings using soap solution and pressure decay methods, proportional valve response time test (full force build-up within specified time), and accumulator pre-charge verification. All test results are documented in the FAT report.

Documentation & Inspection

Quality Records & Third-Party Inspection

HS-FINEB quality documentation and spare parts inventory documentation for fine blanking presses

Documentation Provided With Every Press

Each press ships with a complete documentation package in English:

  • Quality Plan: The documented quality control plan covering all manufacturing phases, inspection points and acceptance criteria
  • Inspection Reports: Dimensional inspection reports for frame machining, platen flatness, guide way parallelism and cylinder bore measurements — with actual measured values, not just "pass"
  • Material Certificates: Mill test certificates (EN 10204 3.1) for steel plate, hydraulic component certificates and electrical component certificates — all traceable to the press serial number
  • FAT Report: Factory Acceptance Test report documenting every measured parameter: tonnage, parallelism, pressure holding, leak test results, and edge quality test results when customer material is available
  • Operation Manual: Comprehensive manual in English covering installation, operation, maintenance, troubleshooting and spare parts identification
  • Electrical Schematics: Complete electrical wiring diagrams with component identification, terminal numbering and PLC programming documentation
  • Hydraulic Schematics: Complete hydraulic circuit diagrams with valve identification, pipe routing and pressure settings

Third-Party Inspection

We welcome and support third-party inspection at any stage of production. Buyers can engage SGS, Bureau Veritas (BV), TUV or any inspection agency of their choice. We provide factory access, documentation access and test witnessing. Typical inspection milestones: raw material verification (steel plate certificates, component origin), welding inspection (WPS compliance, weld quality), machining inspection (dimensional verification on CMM), hydraulic system pressure test witnessing, and FAT witnessing. Third-party inspection costs are borne by the buyer; our cooperation and facility access is provided at no charge.

Want to Verify Our Quality Standards?

We provide ISO 9001 certificates, CE declarations of conformity, sample FAT reports and material certificates upon request. Third-party inspection by SGS, BV or TUV is welcome at any production stage.

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