It is mainly used in the sintering process of electronic components such as ceramic capacitors, magnetic materials, and advanced ceramics.
3. Technical Indicators and Basic Configuration
3.1 Rated Temperature:1250°C
3.2 Maximum Temperature:1300°C
3.3 Furnace Chamber Dimensions:560mm × 780mm × 700mm (W × H × D)
3.4 Loading Method:Firing support plate
3.5 Heating Elements:Silicon - carbide rods with ceramic tube jackets
3.6 Heating Method:Top, middle, and bottom heating
3.7 Temperature Control Points:Independent temperature control at three points: top, middle, and bottom
3.8 Thermocouple Type:S - type calibration
3.9 Temperature Control Method:Imported temperature control module, with a temperature control accuracy of ±1°C and self - tuning function for PID parameters
3.10 Furnace Temperature Uniformity:±5°C within the area of 400×600×550mm (tested in an empty furnace at a constant temperature of 1250°C, measured by a temperature - measuring ring)
3.11 Air Intake Method:Air intake by a blower, with variable - frequency adjustable air volume. The on/off of the blower and the air volume can be set in different program segments.
3.12 Exhaust Method:An exhaust chimney is installed on the top of the equipment, and the opening size of the chimney valve can be manually adjusted.
3.13 Number of Heating Stages:9 stages (10 curves)
3.14 Maximum Heating Power:70kW
3.15 Heating Rate:≤15°C/min
3.16 Cooling Method:Natural cooling
3.17 Temperature Rise on the Furnace Body Surface:≤35°C
3.18 Alarm Protection
Interlocking between heating and furnace door opening/closing actions. Sound and light alarms for over - temperature, thermocouple breakage, etc.
3.19 Reference Dimensions of the External Shape:1550mm × 1800mm × 1400mm (W × H × D, excluding the chimney). The specific dimensions shall be subject to the actual product.
4. General Technical Description
4.1 Thermal Design
Alumina products are selected as the inner - layer refractory materials, and outer - layer ceramic fiber standard boards assist in heat insulation. The refractory materials at the furnace mouth and furnace door are also made by splicing alumina products. The heating method is top, middle, and bottom heating. The heating elements divide the entire cavity into two independent small cavities: upper and lower. The temperature control method is independent temperature control at three points: top, middle, and bottom, ensuring the uniformity of the furnace temperature within the entire cavity. The firing support plate is placed on the ceramic tubes in the furnace chamber, and the single - plate load - bearing capacity is not less than 150kg. Figure 1 is a schematic diagram of the equipment structure. The specific appearance shall be subject to the actual product.
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