Baijun Machinery specializes in hot pressing equipment, precision stamping equipment, and powder forming equipment.
(National High-Tech Enterprise)
Product Description
I. Core Application Areas
The high-precision four-column, upper-cylinder hot press molding machine combines "the stability of four-column guidance," "the precision of upper-cylinder drive," and "the versatility of the hot pressing process," making it widely used in precision molding and advanced manufacturing applications across multiple high-value industries.
1. Composite Materials and New Energy Components
Suitable for thermal pressing of materials such as carbon fiber prepregs, glass-fiber-reinforced plastics, and graphite crucibles—this is essential equipment for the new energy and aerospace industries.
- In the lithium-battery field: Used for manufacturing graphite crucibles (specifically designed for sintering lithium-battery anode materials), these crucibles achieve high density—thanks to ultra-high pressure ranging from 315 to 1000 tons—which ensures exceptional durability and resistance to cracking. They also support custom production in a variety of sizes, as different specifications can be easily produced simply by changing the mold.
- Aerospace: Manufacturing carbon-fiber laminates and sandwich structures (such as wing skins or satellite brackets) requires precise control over fiber orientation and dimensions—with tolerances of ±0.05 mm—to ensure components achieve both "lightweight design and exceptional strength" (tensile strength ≥ 500 MPa).
- Wind power industry: Thermal molding used for carbon-fiber wind turbine blade skins, meeting the demands for large dimensions (length > 10 meters) and high reliability (fatigue resistance).
2. Protective and Safety Products
For products with high protection requirements, we achieve "hot pressing + performance enhancement":
- Bulletproof equipment: Manufacturing PE bulletproof helmets (hot-pressed for guaranteed impact resistance) and 800-ton bulletproof plates (high-hardness steel sheets hot-stamped, capable of withstanding impacts exceeding 1500 MPa).
- Anti-riot equipment: such as riot shields (precision-molded from composite materials), which achieve interlayer bonding through thermal pressing, enhancing their protective capabilities.
3. Precision Electronics and Consumer Products
Focusing on small-sized, high-precision electronic components and consumer products, this is a key forming device for consumer electronics.
- Electronic components: Manufacturing film switches and membrane panels (such as key caps for mobile phones/remote controls) requires precise control of the embossing depth (with an error margin of ±0.01 mm) to ensure optimal tactile feedback and long-lasting durability of the buttons.
- Plastic/Silicone Products: Used for silicone keypads for mobile phones (heat-pressed molding ensures dimensional consistency), and PC/PET film housings (heat pressing enables plastic deformation). We support mass production, with an hourly capacity of 30–50 units.
4. Metal Hot Stamping and Sheet Metal Forming
By integrating thermoplastic principles, we can reduce the difficulty of metal forming and enhance product precision.
- Automotive Manufacturing: Produces automotive body panels (such as doors and hoods) by employing hot stamping—where metal is plastically deformed at temperatures between 200°C and 300°C—to ensure precise roundness and dimensional accuracy (with tolerances of ±0.1 mm).
- Household items: such as stainless steel washbasins (stretch-formed) and boiler heads (hot-pressed to ensure sealing performance), ideal for mass production (with an hourly capacity of 20–30 units).
5. Eco-friendly and Everyday Consumer Products
Addressing eco-friendly materials and everyday needs, we achieve "hot pressing + green manufacturing":
- Eco-friendly packaging: Producing plant-fiber disposable food containers and instant noodle bowls (heat-pressed and biodegradable) to meet the demand for "plastic reduction."
- Rubber products—such as seals and tires (formed via rubber vulcanization)—undergo thermal pressing to cure the resin at temperatures between 150°C and 200°C, ensuring superior sealing performance with a leakage rate of less than 0.1%.
II. Core Features (The Combined Advantage of High Precision and Versatility)
1. Four-column guide structure: High rigidity and resistance to eccentric loads
Featuring a design with four upright columns and precision guide bushings (some models use a five-beam, four-column configuration), the overall rigidity is 20%-30% higher than that of single-column systems, offering superior resistance to eccentric loads—making it ideal for high-tonnage pressing applications. The parallelism accuracy of the upper and lower working surfaces can be maintained within 0.08mm (for high-end models, this tolerance is even tighter—below 0.05mm)—while ensuring smooth slider movement without any wobbling. This design effectively prevents mold damage or workpiece deformation caused by uneven loading.
2. Top-cylinder drive: Precise pressurization and convenient operation
- Structural advantages: The hydraulic cylinder is positioned at the top of the equipment, driving the slider downward to apply pressure. This results in a compact design (requiring minimal floor space and easy mobility), as well as convenient mold installation and replacement—reducing mold-change time by 30%.
- Precision Assurance: The upper-cylinder design ensures more direct pressure transmission, making it ideal for downward-pressure processes such as hot embossing and metal stretching. It guarantees that each downward press reaches a consistent position (repeatability accuracy of ±0.01 mm), perfectly meeting the demands for "small dimensions and high consistency"—for instance, in applications like smartphone button embossing.
3. High-Precision Hot-Press Control: Precise Matching of Temperature and Pressure
- Temperature Control: Utilizes heating elements or hot plates (with some models featuring a heated chamber) for rapid temperature rise—reaching up to 280°C within 30 minutes. Temperature is precisely regulated from room temperature up to 300°C via a smart PID controller, with temperature accuracy maintained at **±2–5°C** (for high-end models, ±1°C), ensuring optimal curing or shaping of materials such as resins and rubber.
- Pressure Control: Employs a cartridge valve-integrated hydraulic system (or CNC PLC hydraulic drive), ensuring stable pressure output with minimal impact. It supports two operational modes—constant-pressure and constant-stroke processes—such as the "pre-pressure, main pressure, and holding pressure" sequence used for composite materials. The pressure range spans from 1 ton (for small electronic components) to 1000 tons (for large metal parts), with an accuracy of **±0.1 MPa or better**.
4. Process Flexibility: Multi-Material and Multi-Specification Compatibility
- Program storage: Supports storing over 100 sets of process parameters (such as mold numbers, temperature curves, and pressure profiles). When switching products, simply recall the corresponding program to significantly reduce mold-change time.
- Multi-stage process: Allows setting multiple action sequences such as "rapid descent - slow pressurization - pressure-holding curing - rapid return," tailored to meet the molding requirements of various materials (e.g., the "heating → pressurization → curing → cooling" process for carbon fiber prepregs, or the "vulcanization → pressure-holding → demolding" sequence for rubber).
5. Safety and Energy Efficiency: Balancing Performance with Protection
- Safety Design: Equipped with through-beam photoelectric sensors (covering the opening area), mechatronic interlock circuits (interlocking the upper and lower chambers of the cylinder), an emergency stop button, and safety hand guards to ensure operator safety (preventing crushing injuries caused by misoperation).
- Energy Efficiency: Featuring a servo closed-loop control system with zero overflow losses, this solution achieves energy savings of 30% to 50%. It also operates quietly—producing noise levels below 70 dB—making it ideal for continuous, high-volume production processes, such as the 24-hour uninterrupted operation required in crucible manufacturing.
Summary
The high-precision four-column, upper-cylinder hot press is the core equipment for "high-precision hot pressing," boasting features such as "stable four-column guidance," "precise upper-cylinder actuation," and "accurate temperature and pressure control." These capabilities enable it to meet the demanding requirements of high-end products—including composite materials, electronic components, and metal goods—that demand "small dimensions, high precision, and large-scale production."
As industries like new energy, aerospace, and consumer electronics continue to grow rapidly—driven, for instance, by an annual growth rate exceeding 15% in automotive composite material usage—the device will play a vital role in supporting the industry’s ongoing shift toward "lightweighting" and "high-end sophistication," firmly establishing itself as a critical enabler of "precision manufacturing."
Main performance and features of the equipment:
a. High temperature control accuracy of ±1°C;
b. The hot plate temperature difference can be as low as ±3°C at best;
c. The hot plate can achieve a flatness accuracy as high as ±0.02 mm;
d. Multi-stage pressure control, with each stage having a separately set holding pressure time;
e. Multi-stage temperature control;
f. Scheduled heating function;
g. Menu-based save/restore functionality for product production data;
h. 1000-second ultra-long holding pressure function;
I. Heating methods: Optional electric heating tube heating or mold temperature machine heating;
j. Optional vacuum function;
Environmental equipment
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High-Precision Four-Column Top-Cylinder Hot Press Molding Machine
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Contact Information
Tel: 0757-88816080
Mobile: 180-2225-3860(Mr. Guan)
Email: 1961666888@qq.com
add: No. 8, Self-compiled Building, Baidouli Factory, Industrial Zone, Shuaibian Economic Cooperative, Laobian Community, Danzao Town, Foshan City, Guangdong Province
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