KJ GROUP PTL-MM02-500 Programmable Vertical Dip Coater
| Brand | KJ GROUP |
|---|---|
| Origin | Liaoning, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | PTL-MM02-500 |
| Power Supply | AC 220 V (50 Hz) / 110 V (60 Hz) |
| Lifting Speed Range | 1–500 mm/min (integer steps) |
| Maximum Load Capacity | ≤100 g |
| Substrate Dimensions (L×W×T) | 75 × 25 × 2.5 mm |
| Effective Immersion Length | 60 mm |
| Immersion & Drying Time Setting Range | 1–999 s |
| Operating Environment | Altitude <1000 m, Temperature 10–40 °C, Relative Humidity 45–65 % RH |
| Footprint Requirement | 800 × 600 × 700 mm, Load Capacity ≥200 kg |
Overview
The KJ GROUP PTL-MM02-500 Programmable Vertical Dip Coater is an engineered solution for controlled thin-film deposition via vertical dip-coating—a technique grounded in colloidal and sol-gel science where substrate immersion and withdrawal kinetics directly govern film thickness, uniformity, and microstructure. Based on the classical Landau–Levich–Derjaguin model, film thickness (h) scales with withdrawal speed (v) as h ∝ v2/3, making precise, repeatable velocity control essential for reproducible nanoscale coatings. This instrument implements a closed-loop motion architecture using a high-resolution stepper motor with microstepping driver, enabling integer-step speed resolution from 1 to 500 mm/min—critical for systematic process optimization across sol-viscosity ranges (1–1000 mPa·s) and substrate wettability conditions. Designed for ambient-temperature operation, it eliminates thermal drift concerns while maintaining mechanical stability during multi-cycle coating sequences.
Key Features
- Precision motion control system featuring a calibrated stepper motor with细分 microstepping driver, delivering consistent linear velocity without gear backlash or belt slippage
- Intuitive 7-inch capacitive touch HMI interface for real-time parameter entry and monitoring—including withdrawal speed, immersion dwell time, entry speed, cycle count, and post-dip drying interval
- Modular mechanical design with rigid aluminum frame and low-vibration vertical translation stage, supporting ≤100 g payload with ±0.02 mm positional repeatability
- CE-compliant electrical architecture with reinforced grounding, overcurrent protection, and EMI-filtered AC input (220 V / 50 Hz or 110 V / 60 Hz)
- Compact footprint (800 × 600 × 700 mm) and tool-free substrate clamping mechanism compatible with standard 75 × 25 × 2.5 mm slides; optional full-immersion fixture available for edge-free coating
Sample Compatibility & Compliance
The PTL-MM02-500 accommodates rigid planar substrates including silicon wafers, glass slides, ITO-coated quartz, stainless steel foils, and ceramic plates—provided dimensional tolerances fall within specified limits (max. 75 mm length, 25 mm width, 2.5 mm thickness). Its open-bath configuration supports custom solvent systems (e.g., ethanol, toluene, aqueous sols) and viscous precursor solutions up to ~1000 mPa·s. All operational parameters—including timing intervals and speed profiles—are logged with timestamped metadata, facilitating adherence to GLP documentation requirements. While not FDA 21 CFR Part 11–validated out-of-the-box, the system’s deterministic behavior and audit-ready parameter logging enable integration into GMP-aligned coating workflows when paired with validated SOPs and electronic lab notebook (ELN) linkage.
Software & Data Management
The embedded firmware provides non-volatile storage for up to 99 user-defined coating protocols, each storing full parameter sets (immersion speed, dwell time, withdrawal speed, cycles, drying delay) with recall-on-demand functionality. No external PC is required for routine operation; however, USB export enables protocol backup and batch log transfer to CSV-compatible analysis tools. The controller maintains internal event logs—including power-on cycles, emergency stop triggers, and motor stall detection events—for traceability. Firmware updates are delivered via SD card, ensuring long-term maintainability without dependency on proprietary cloud platforms.
Applications
- Sol-gel derived metal oxide films (TiO₂, SiO₂, ZnO) for photocatalysis, antireflection, or gas sensing layers
- Colloidal nanoparticle monolayer assembly (e.g., Au, Fe₃O₄, quantum dots) via controlled evaporation-driven ordering
- Organic-inorganic hybrid perovskite precursor films for photovoltaic research
- Hydrophobic/hydrophilic gradient surface fabrication using dual-solvent dip sequences
- Quality assurance testing of coating uniformity (via ellipsometry or profilometry cross-sectioning) under standardized withdrawal kinetics
FAQ
What substrate dimensions are supported?
Standard clamping accepts substrates measuring 75 mm (L) × 25 mm (W) × 2.5 mm (T); a dedicated full-immersion fixture is available for substrates requiring complete submersion without handling margins.
Is the immersion depth adjustable?
Yes—the effective immersion length is fixed at 60 mm, but vertical positioning of the liquid bath relative to the substrate path allows fine-tuning of actual wetted area within mechanical limits.
Can the system operate under inert atmosphere?
The base configuration is ambient-air compatible; optional glovebox-integrated mounting brackets and sealed bath adapters are available upon request for nitrogen or argon environments.
Does the controller support external triggering or synchronization?
No native TTL or analog I/O ports are included; however, the USB data export interface enables post-process correlation with external instrumentation timestamps.
What maintenance is required?
Annual verification of motor calibration and guide rail lubrication is recommended; no consumables or scheduled replacements are specified under normal laboratory use conditions.
