KR‑109G High‑Precision Servo‑Driven Flat Vulcanizing Hot Press Molding Machine
High Precision Servo Rubber Flat Vulcanizing Machine
- High precision control
- Intelligent operation
- High safety performance
- Energy saving and environmental protection
- Multifunctionality
Product Details：
Product Overview
The KR-109G servo precision flat hot press vulcanizer is a dedicated lab molding unit developed for polymer research, material quality inspection and small-batch trial manufacturing. It delivers high-accuracy thermal compression forming for rubber, silicone, all kinds of plastic pellets, composite materials, medical elastomers and electronic encapsulation materials.
Equipped with full closed-loop servo hydraulic drive and Delta PLC touchscreen intelligent control system, the machine realizes ultra-stable pressure output with a control precision of 0.01MPa. Independent dual heating platens support separate temperature adjustment on upper and lower plates, with automatic pressurization, air exhaust, pressure holding and mold opening cycles fully programmable. It is widely deployed in university labs, material R&D centers, third-party testing institutions and polymer manufacturing workshops for tensile sample making, compression molding, aging test specimen preparation and formulation screening.
Core Competitive Strengths
1. Ultra-precise Servo Pressure Control
Different from traditional pneumatic or ordinary hydraulic presses, this unit adopts servo motor matched with high-sensitivity pressure sensors and displacement limit modules. Real-time pressure feedback and automatic compensation eliminate pressure fluctuation during vulcanization. The repeat positioning accuracy ensures consistent forming thickness across all samples, completely avoiding deviation in subsequent physical performance test data.
2. Humanized Intelligent Touch Operation
Built-in Taiwan Delta industrial touchscreen HMI, featuring visualized parameter setting interface. Operators can input customized pressure, stroke, heating temperature, dwell time and exhaust cycles directly on screen. Up to dozens of sets of molding recipes can be stored for quick recall when switching different materials, eliminating repeated parameter calibration work. The system supports automatic data recording and export for lab report archiving.
3. Multi-layer Safety Protection System
Full set of safety configurations to prevent accidental injury: infrared grating safety barrier, fully enclosed metal protective cabinet, safety interlock door and emergency stop button on the control panel. The two-hand synchronous start function avoids misoperation risks during plate closing. All moving parts are covered with thick metal sheets to block high-temperature debris, meeting international laboratory safety standards.
4. Low-energy Servo Hydraulic Circuit
Energy-efficient servo hydraulic design only activates the motor during cylinder lifting and pressing; the motor stays low-speed or standby during pressure holding without continuous oil overflow. This design cuts power consumption significantly, reduces hydraulic oil temperature and extends the service life of seals and pump components, achieving stable low-noise running.
5. Wide Compatibility & Flexible Customization
Supports interchangeable hot plate sizes from 200×200mm up to 500×500mm, with customizable maximum heating temperature up to 500℃ (standard range: ambient ~250℃). The cylinder stroke can be extended to accommodate deep molds, and optional auxiliary mold frames are available for special-shaped sample forming, fully matching diverse experimental and small production demands.
Key Structural Component Advantages
Heating Platens
Fabricated from imported high-temperature resistant alloy steel, processed via deep carbonization quenching and hard chrome plating. Surface hardness reaches 50–60 HRC, flatness ≤0.03mm and parallelism between upper/lower plates controlled within 0.16mm. Built-in dense heating tubes realize rapid uniform heating with tiny temperature difference across the plate surface, no local overheating or incomplete curing issues.
Four-column Guiding Mechanism
Four precision hardening guide posts paired with self-lubricating bronze shaft sleeves guarantee smooth, jitter-free vertical movement of the upper heating plate. The whole machine frame adopts thick welded steel plate for outstanding structural rigidity, no deformation under long-term high-pressure operation. Adjustable foot pads support horizontal leveling during installation or relocation.
Specification:
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Model
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KR109G-1
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KR109G-2
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KR109G-5
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KR109G-10
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Pressure capacity
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2kg-1T
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5kg-2T
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10kg-5T
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50kg-10T
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Pressure Control Precision
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±2.5kg
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±5kg
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±20kg
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±50kg
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Calculation of pressure
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Pressure/sample mold plate area = pressure
For example: the pressure plate is: 200*100mm, the maximum pressure is 1.5mpa, the pressure control precision is: 0.01mpa.
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Plate Size
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200*200/250*250/300*300/350*350/400*400/450*450/500*500【mm】
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Material of Hot Plate
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High-temperature resistant imported steel plate, surface carbonization quenching, special treatment of fast thermal conductivity,
pressure parallel non-deformation, wear-resistant.
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Pressure plate hardness
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50～60HRC
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Pressure plate flatness
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≤0.03mm
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Plate parallelism
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≤0.16mm
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Temperature range
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Normal temperature -250℃ [can be customized up to 500℃]
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Two hot plates
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The hot plate can be set to control the temperature separately
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Heating method
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electrical heating
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Cooling method
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natural air cooling
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Cylinder Stroke
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Max 150mm [larger stroke can be customized]
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Platen travel speed
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0.1mm-500mm/min
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0.1mm-300mm/min
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Pressure sensor
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1T
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2T
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5T
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10T
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Safety device
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Safety shield, safety door
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Mold frame [optional]
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Customizable
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Machine size
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(W×D×H)650×550×1300 mm
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(W×D×H)800×650×1500 mm
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Overall weight
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≈350kg
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≈480kg
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Standard Operation Workflow
- Level Calibration: Adjust machine foot pads with horizontal ruler to keep the whole unit horizontal before first use or relocation.
- Power Activation: Switch on the main power supply of the control cabinet.
- Temperature Setup: Set independent target temperatures for upper and lower heating platens via touchscreen.
- Sample Loading: Wait until temperature stabilizes to the preset value, open the safety door, place isolation steel sheet and raw material inside the mold cavity.
- Automatic Molding Start: Tap the start button; servo hydraulic cylinder lifts the lower plate to close the mold and execute preheat, exhaust, constant pressure holding cycles automatically. Do not modify hydraulic pressure or speed parameters without professional guidance.
- Auto Reset: Once the preset vulcanization time elapses, the cylinder retracts to open the mold automatically.
- Sample Unloading: Take out hot-pressed test pieces, finish one forming cycle.
Plastic Industry
Lab sample preparation for PVC, PP, TPE, PPT composite particles; formulation development, small batch trial production, tensile, impact and compression test specimen molding.
Rubber & Silicone Industry
Natural rubber, synthetic rubber, silicone elastomer vulcanized sheet production; new formula research, aging resistance and oil resistance test pre-processing.
Other Scenarios
Composite material hot pressing, medical polymer molding, electronic insulation sheet forming, university teaching experiment equipment.
Global Cooperation & After-sales Support
We provide full one-stop service for global buyers, including free machine operation manuals, technical parameter customization, factory inspection guidance and door-to-door after-sales maintenance. Distributor cooperation policies are available for regional exclusive agency, with priority production scheduling and customized equipment development support.
Build Your Market with DGKAREY
KAREY products are trusted by customers across more than 100 countries, supporting long-term business growth in the testing equipment industry.
We are now seeking reliable partners to represent our brand in their local markets.
As an authorized distributor, you will receive dedicated regional support, ensuring a stable and protected business environment.
Your orders will be handled with priority, and our team will assist you with tailored equipment solutions based on your market needs.
From initial cooperation to ongoing development, we work closely with you to strengthen your presence and competitiveness.
DGKAREY – Your Reliable Partner in Global Supply
We go beyond supplying testing equipment. Our team manages the full journey — from export procedures to delivery at your door — ensuring efficiency, transparency, and peace of mind.
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