Lishumei TY-7003YZ Vertical Transfer Molding Press
| Brand | Lishumei |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | TY-7003YZ |
| Price Range | USD 2,800–5,600 (FOB Jiangsu) |
| Overall Dimensions | 600 × 450 × 1500 mm |
| Heating Power | 1.5 kW |
| Voltage | 220 V ±10%, 50 Hz |
| Single-Batch Feed Capacity | ≈20 g |
| Mold Temperature Range | 0–150 °C |
| Barrel Temperature Range | 0–300 °C |
| Rated Hydraulic Pressure | 0.6 MPa |
| Applicable Mold Types | ASTM D638/D790/D256/D1928 compliant test specimen molds (dumbbell tensile, flexural, Izod/Charpy impact, color plaques) |
Overview
The Lishumei TY-7003YZ Vertical Transfer Molding Press is a precision-engineered laboratory-scale thermoplastic and thermoset molding system designed for standardized specimen preparation in polymer R&D, quality control, and materials certification laboratories. Operating on the principle of transfer molding—where preheated polymer melt is hydraulically displaced from a heated transfer pot into a closed, temperature-controlled mold cavity—the TY-7003YZ ensures high dimensional repeatability and minimal thermal degradation during short-cycle processing. Its vertical configuration optimizes gravitational alignment of the plunger and mold stack, minimizing flash formation and improving cavity fill uniformity compared to horizontal alternatives. The system integrates seamlessly with upstream compounding equipment—including internal mixers (Banbury-type), two-roll mills, and twin-screw extruders—for continuous feedstock conditioning prior to molding. All critical thermal zones (barrel and mold) are independently PID-regulated with real-time digital display, enabling strict adherence to ISO 293, ASTM D3123, and GB/T 9352 test protocols for standardized specimen fabrication.
Key Features
- Vertically oriented hydraulic transfer mechanism with pneumatically assisted plunger actuation, delivering consistent 0.6 MPa rated pressure across full stroke
- Dual-zone independent temperature control: barrel (0–300 °C) and mold platens (0–150 °C), each equipped with Pt100 RTD sensors and ±1.0 °C stability over 30-min dwell
- Compact footprint (600 × 450 × 1500 mm) optimized for benchtop integration in ISO 17025-accredited QC labs
- Stainless-steel transfer pot and hardened tool-steel mold interface surfaces, resistant to abrasive filler compounds and high-temperature polymer residues
- Manual mold clamping with mechanical safety interlock; compatible with standardized ASTM/ISO mold inserts (e.g., Type I dumbbell, 80 × 10 × 4 mm flexural bars, 63.5 × 12.7 × 3.2 mm Izod impact specimens)
- 1.5 kW heating system with energy-efficient ceramic insulation and thermal cut-off at 320 °C for overtemperature protection
Sample Compatibility & Compliance
The TY-7003YZ accommodates a broad spectrum of thermoplastic resins (PP, PE, ABS, PC, PA6/66, POM) and thermosetting systems (phenolics, epoxies, unsaturated polyesters). It supports preparation of specimens conforming to international standardization requirements including ASTM D638 (tensile), D790 (flexural), D256 (impact), D1928 (color measurement plaques), and ISO 527/178/180. Mold cavities are machined to ±0.05 mm geometric tolerance and surface-finished to Ra ≤0.8 µm to ensure optical clarity in transmission-grade plaques and mechanical fidelity in structural test pieces. The unit meets CE machinery directive 2006/42/EC for safe operation and complies with electrical safety standards IEC 61000-6-2 (immunity) and IEC 61000-6-4 (emissions).
Software & Data Management
While the TY-7003YZ operates via standalone analog/digital panel controls (no embedded PLC or touchscreen), it supports external data logging via 4–20 mA analog outputs for barrel and mold temperatures, as well as discrete dry-contact signals for cycle start/end and pressure threshold events. These interfaces enable integration with third-party SCADA systems or LabVIEW-based acquisition platforms for GLP-compliant audit trails. All operational parameters—including setpoints, dwell times, and manual intervention timestamps—are recordable in accordance with FDA 21 CFR Part 11 when paired with validated electronic lab notebooks (ELN) or LIMS environments.
Applications
- Routine production of standardized mechanical test specimens for tensile, flexural, impact, and hardness evaluation per ISO/ASTM specifications
- Development and validation of new compound formulations—particularly filled, flame-retardant, or conductive polymers requiring precise thermal history control
- Color consistency testing using 1-mm-thick transparent plaques under CIE D65 illumination conditions
- Preparation of microtomed sample blanks for FTIR, DSC, and TGA analysis where minimal thermal shear history is critical
- Teaching laboratories demonstrating polymer melt rheology, crosslinking kinetics, and mold-filling dynamics
FAQ
What mold standards does the TY-7003YZ support?
It accepts industry-standard interchangeable mold inserts compliant with ASTM D638 Type I, D790 rectangular beams, D256 notched Izod bars, and ISO 180/179 configurations.
Is the machine suitable for thermoset processing?
Yes—its precise mold temperature control (up to 150 °C) and rapid heat-up/cool-down cycles make it appropriate for phenolic, epoxy, and melamine resin transfer molding.
Can process parameters be logged and exported?
Via optional analog output modules and external DAQ hardware; raw signals are compatible with most industrial data acquisition software.
What maintenance is required for long-term reliability?
Quarterly inspection of hydraulic seals, annual calibration of RTD sensors against NIST-traceable references, and routine cleaning of the transfer pot bore with brass brushes and solvent-wipe protocols.
Does the unit include mold tooling?
No—molds are sold separately as application-specific accessories; standard catalog options include tensile, flexural, and impact configurations with hardened H13 steel construction.
