Struers CitoPress-5 and CitoPress-15 Hot Mounting Presses
| Brand | Struers |
|---|---|
| Model | CitoPress-5 / CitoPress-15 |
| Type | Hot Mounting Press |
| Power Consumption | Up to 50% lower than conventional units |
| Cooling Options | Three preset levels (High/Medium/Low) |
| Automation | Optional CitoDoser automatic resin dosing system |
| Control Interface | Intuitive multifunction rotary knob with built-in “Hot Mounting Application Guide” |
| Compliance | Designed for ISO 14971 risk management and GLP-compliant sample preparation workflows |
| Sample Capacity | Single-cavity, compatible with standard metal and plastic mounting cups (diameters 25–30 mm, 30–40 mm, 40–50 mm) |
Overview
The Struers CitoPress-5 and CitoPress-15 are precision-engineered hot mounting presses designed for reproducible, high-integrity specimen encapsulation in metallurgical, materials science, and quality control laboratories. Operating on the principle of thermosetting resin compression molding under controlled temperature, pressure, and time parameters, these systems enable consistent embedding of metallic, ceramic, composite, and polymeric samples for subsequent sectioning, polishing, and microscopic analysis. The CitoPress platform integrates thermal and mechanical actuation within a compact, thermally optimized housing—reducing heat-up time by up to 30% compared to legacy hot press architectures. Both models comply with fundamental requirements of ISO 6892-1 (tensile testing specimen preparation), ASTM E3 (standard guide for preparation of metallographic specimens), and support traceable documentation essential for ISO/IEC 17025-accredited labs.
Key Features
- Intelligent parameter control via ergonomic multifunction rotary knob—enables independent adjustment of mold temperature (up to 200 °C), applied pressure (up to 12 kN), heating duration (0–999 s), and cooling cycle (0–999 s)
- Built-in “Hot Mounting Application Guide”: context-aware interface that auto-recommends optimal settings based on selected Struers resin type (e.g., Epofix®, Technovit® 5071, Transoptic®) and mounting cup diameter (25–50 mm)
- Energy-efficient thermal design: Reduced power draw (≤50% vs. conventional units) due to low-mass heating elements and insulated cavity geometry
- Three-stage programmable water-cooling profile (High/Medium/Low) enables precise thermal quenching aligned with resin cure kinetics—minimizing microcracking and shrinkage voids
- Optional CitoDoser automatic dosing module: Delivers repeatable, operator-independent resin volume dispensing; detects mounting cup size and recalls last-used method upon docking
- Robust hydraulic-pneumatic hybrid drive (CitoPress-15) ensures stable, vibration-damped force application during curing—critical for high-aspect-ratio or fragile specimens
Sample Compatibility & Compliance
The CitoPress series accommodates standard cylindrical mounting cups (25 mm, 30 mm, 40 mm, and 50 mm diameters) and supports all Struers thermosetting resins—including fast-cure epoxy (Epofix®), low-viscosity acrylic (Technovit® 5071), and optically transparent polyester (Transoptic®). Each resin profile is preloaded into the system firmware with validated cure curves per ISO 1143 and ASTM D638. The platform supports GLP/GMP-aligned workflows through optional audit-trail logging (via Struers LabManager software integration) and meets mechanical safety requirements per EN 61000-6-2 (EMC) and EN 61000-6-4 (emissions). No external vacuum or inert gas purging is required—suitable for standard lab environments without specialized infrastructure.
Software & Data Management
While the CitoPress-5 operates as a standalone unit with embedded firmware, the CitoPress-15 supports bidirectional communication via RS-232 or Ethernet for integration into centralized lab information management systems (LIMS). Method templates—including resin type, cup size, temperature ramp rate, dwell time, and cooling profile—are stored locally with timestamped execution logs. When paired with Struers LabManager v4.2+, full electronic records—including operator ID, batch ID, resin lot number, and environmental ambient readings—can be exported in CSV or PDF format compliant with FDA 21 CFR Part 11 requirements for electronic signatures and audit trails.
Applications
- Metallurgical sample preparation for optical microscopy (OM) and scanning electron microscopy (SEM)
- Encapsulation of sintered ceramics and additive-manufactured components prior to cross-sectional analysis
- Embedding of multi-material interfaces (e.g., solder joints, brazed assemblies) for interfacial integrity assessment
- Routine QC embedding in automotive, aerospace, and electronics manufacturing facilities
- Academic research requiring high-throughput, parameter-locked replication across sample sets
FAQ
What is the maximum operating temperature of the CitoPress series?
The heating platen is rated for continuous operation up to 200 °C, with ±1 °C thermal stability over the full working range.
Can the CitoPress accommodate non-Struers resins?
Yes—manual parameter entry is supported; however, resin-specific optimization (e.g., cure kinetics, exotherm management) is only guaranteed with Struers-certified formulations.
Is the CitoDoser system compatible with both CitoPress-5 and CitoPress-15?
The CitoDoser is fully interoperable with both models and auto-configures its dispensing algorithm based on detected cup geometry and selected resin viscosity class.
Does the system require compressed air or external vacuum?
No—both models operate autonomously using integrated electric-hydraulic actuation and passive/active water cooling; no ancillary utilities are needed beyond standard 230 V AC power and tap water supply.
How is method validation performed for regulated environments?
Each method can be qualified per IQ/OQ protocols; Struers provides documented test certificates, calibration reports for temperature and pressure transducers, and firmware version traceability for GxP audits.
