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Vacuum Compression Molding Machine Features-HYL-800V Single Table
800ton Vacuum Compression Molding Machine Basic Parameters:
Clamp Force: 800ton
Heat platen size: 1300x1300mm
Daylight: 450mm
Mini Mold Thickness: 50mm
Max mold close stroke: 450mm
Sliding Stroke: 1940mm
Germany Busch vacuum system
Demoulding system: sliding table, side ejector, mold turning side ejector
Siemens PLC with TP900 touch screen
Yuken proportional hydraulic system
Vacuum compression molding machine main technical points:
Adopt four-column structure， can adjust the space of heating platen with many styles for demoulding devices.
Suitable for suitable for O-ring, gasket, seal rings , keyboard, rotary drum, auto shock absorption part, dust-proof boot.
There are two independent operation tables in one set of machine. It can be work at the same time or work along, so the production efficiency is increased.
PLC was from German Siemens Company, which be with high stability, easy for programming and fixing;
Convenient human-machine conversation interface;
300 sets of mould data deposit;
Self-diagnostic function display the status of all input and output points;
Inite element analysis ensure the rigidity of all key structural parts, thus maximizes the machine quality and its service life;
Two fast mold clamping cylinders can reach low-fast-low clamping speed and pressure.
Mould degassing was controlled by PLC, can set degas before mold close or after mold close, degas times and time interval can be settled on HMI.
Bigger clamping cylinder diameter-460mm, can provide 3000KN pressure in 180 bar system pressure,efficiently prolong the life time of hydraulic elements and oil pump.
8. Demould method: adopting automatic mold moving and automatic demoulding device.
Opening mould steps:
1. Sliding cylinder move out the mold;
2. Open the upper mold and rotate it by 45 degrees through the flap mechanism.
3. Side ejector cylinder disengages the middle mold and bottom mold
4. Clapper with demolding fixture demould the parts after the bottom mold move in.
9. Mould structure : 2 - 4 layers
Equip with proper demould method, the production efficiency is increased and the work
strength of operator is decreased by the convenient demould.
10. Vacuum machine is imported German BUSCH Company, the vacuum degree of vacuum pump can be achieved -740mmHg, it can be achieved -720mmHg with 7 seconds.
What is the advantages of vacuum compression molding machines for making rubber O rings?
Vacuum compression molding presses offer several advantages for manufacturing rubber O-rings compared to traditional compression molding or other methods. Here are the key benefits for making O-rings by vacuum compression molding machines:
1. Elimination of Air Traps & Porosity
-The vacuum compression molding machine removes air and gases from the rubber compound before and during curing, preventing air pockets, voids, or porosity in the finished O-rings.
-This ensures better sealing performance and longer service life for O-rings
2. Improved Consistency & Dimensional Accuracy
-By removing trapped air, the rubber flows more uniformly into the mold cavity, leading to more precise dimensions and tighter tolerances.
-Reduces flash (excess material) and improves part-to-part consistency.
3. Enhanced Mechanical Properties
-The absence of air bubbles improves the tensile strength, elongation, and compression set resistance of the O-rings.
-Better resistance to pressure, chemicals, and temperature variations.
4. Reduced Scrap & Rework
-Fewer defective O-rings due to porosity or incomplete filling means lower rejection rates and material wasting
-Saves costs on raw materials and post-molding inspections.
5. Better Surface Finish
-The O rings vacuum molding machines produces smoother, defect-free surfaces, which is critical for sealing applications.
-Reduces secondary finishing operations like trimming or grinding.
6. Suitable for High-Performance & Complex Materials:
-Works well with silicone, FKM (Viton®), EPDM, NBR, and other rubber compounds that are prone to trapping air.
-Ideal for medical, aerospace, and automotive O-rings where reliability is crucial.
7. Faster Curing & Cycle Times (in Some Cases)
-Vacuum compression molding machines allow for optimized heating and curing, reducing cycle times compared to conventional methods.
8. Environmentally Friendly
-Less material waste and energy-efficient operation compared to injection molding for small to medium production runs.
Vacuum compression molding is particularly beneficial for high-quality O-rings used in critical sealing applications (hydraulics, fuel systems, medical devices). It ensures superior part integrity, durability, and performance while reducing manufacturing defects.
Here attached a video for O rings vacuum molding machine running.
/shorts/K-c0nETjza0?si=jDrzCKTjZ8KXgMVy
📧Joyce@hwayimachine.com
📱/+8615073424261
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