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Phenolic Resin Composite Products Autoclave Carbon FiberEngine Nozzle Autoclave
When composite materials are cured and molded, the performance requirements for the autoclave mainly depend on the resin system used. Among the commonly used thermosetting resins, epoxy resin and phenolic resin are the most commonly used.
Epoxy resins are available in different formulations, ranging from normal temperature curing to high temperature curing, covering a wide range. However, the properties of room temperature curing and low temperature curing resins are not suitable for the use of autoclave, and they are rarely used in the autoclave process. The curing temperature of epoxy resin commonly used in the autoclave process is from 120°C to 180°C. Usually, the curing of the epoxy resin system requires the application of a pressure of 0.6MPa to stabilize the mechanical properties and meet the requirements after curing and molding.
The phenolic resin system is also widely used. The oven curing effect of the phenolic resin system can meet the requirements of applications with low requirements. However, when higher fiber volume content, higher density, and lower defects are required, An autoclave is required. Depending on the formulation and material performance requirements of the phenolic resin system, the curing temperature usually ranges from 120°C to 170°C, and the pressure applied during curing ranges from 0.4Mpa to 2Mpa.
For autoclave users whose products use epoxy resin and phenolic resin systems, the curing auxiliary materials used are conventional nylon film vacuum bags, non-woven breathable felts, and vacuum sealing tapes that are available on the market. These materials have short-term temperature resistance. The upper limit is usually between 170ºC~200ºC. Therefore, for these users, it makes no sense to choose an autoclave with a rated operating temperature higher than 200°C. Autoclave manufacturers usually design the internal heat-resistant structure according to 250°C. If the user can accurately provide the maximum operating temperature, the autoclave manufacturer can accurately calculate the heating load, reduce the installed power, and achieve energy saving effects.
Pressure vessels are divided into one levels at 1.6Mpa. Therefore, the cost of autoclaves higher than 1.6Mpa will increase significantly. The pressure requirements are high, which increases the weight of the autoclave container and increases the cost. At the same time, the specifications of air compressors and other facilities that supply air to the autoclave need to be enlarged, resulting in an increase in construction costs. Therefore, it is very important for users to reasonably select common pressure. To establish a concept, the manufacturer's design pressure must be slightly greater than the common pressure. The design pressure is a design margin for safety considerations, and the common pressure is the user's process. The actual pressure used in the product and the gas supply system matched with the user's common pressure are reasonable and economical in use.
| Description | Unit | Specifications And Parameters |
| Working Diameter | mm | 1500 |
| Working Length | mm | 3000 |
| Equipment Diameter | mm | 2000 |
| Equipment Length | mm | 4000 |
| Max. Working Pressure | bar | 18 |
| Max. Working Temperature | ºC | 250 |
| Max. Pressurization Rate (Average) | Bar/min | 0-1 |
| Max. Depressurization Rate (Average) | Bar/min | 0-1 |
| Max. Heating Rate(Air Average) | ºC/min | 0-3 |
| Max. Cooling Rate (Air Average) | ºC/min | 0-3 |
| Temperature Uniformity At Steady State | ºC | ≤±2 |
| External Shell Temperature At Max. Temperature | ºC | ≤55 |
| Quick Openning Door Mode | - | Hydraulic Door Opening |
| Working Medium | - | Compressed Air Or Nitrogen Pressurization |
| Heating Mode | - | Stainless Steel Electric Heating |
| Quantity Of Circulating Fan Motor | SET | 1 |
| Thermocouple Type | - | Type K Or J |
| Vacuum Ports | PIECE | 8 |
| Min. Vacuum Pressure | bar | -0.85 |
| Standard Control Mode | - | PLC Logic Control |
| Insulation Form | - | Internal Insulation |
| Exterior Color | - | Customized |
Phenolic Resin Composite Products Autoclave Carbon FiberEngine Nozzle Autoclave
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