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silicon nitride SiC Silicon carbide ceramic Vacuum Sintering Furnace
Silicon carbide pressure-free sintering furnace is suitable for silicon carbide pressure-free sintering process of sealing ring, shaft sleeve, nozzle, impeller, bulletproof products and so on.
Silicon nitride ceramic materials can be used in high temperature engineering components, advanced refractories in metallurgical industry, corrosion resistant and sealing parts in chemical industry, cutting tools and cutting tools in machining industry, etc.
Characteristics
1. High temperature uniformity and thermal efficiency
2. Multi-zone independent temperature control, vacuum partial pressure function
3. The main body adopts high temperature resistant material, which satisfies the carbonation heating process of thin and medium and thick granule WC powder and composite material.
4.Adopt the combination mode of temperature control.
5.Graphite heat shield, graphite heating element,360-degree surround radiant heating.
6.A variety of condensation trapping methods to reduce unit pollution
7.Nitrogen purging system has better insulation and degreasing.
8.Patented insulation technology to ensure the long-term use of heating body
9.Exhaust gas combustion and filtration system meets emission standard
Standards:
DIN 17052 - 1 "Heat treatment furnaces - Part 1: Requirements for temperature uniformity"
EN 60519 -2 "Safety in electroheat installations - Part 2: Particular requirements for resistance heating equipment"
AMD2750D "AEROSPACE MATERIAL SPECIFICATION"
NFPA86D "Standard for Ovens and Furnaces"
GB/T 16876 "Vacuum test standard for double wall equipment"
GB/T 10066.1 " Test methods for electroheating and electromagnetic processing installations"
GB/T 9452 "Testing Method For Working Zone Of Heat Treatment Furnace"
Standard model specification and parameters
| Model | PJ-SJ336 | PJ-SJ447 | PJ-SJ449 | PJ-SJ4411 | PJ-SJ5518 |
| Effective Hot Zone LWH (mm) | 300*300*600 | 400*400*700 | 400*400*900 | 400*400*1100 | 500*500*1800 |
| Load Weight(kg) | 120 | 200 | 300 | 400 | 800 |
| Maximum Temperature(ºC) | 2800 | ||||
| Temperature control accuracy(ºC) | ±1 | ||||
| Furnace temperature uniformity(ºC) | ±5-20 | ||||
| Work Vacuum Degree(Pa) | 4.0 * E -1 | ||||
| Pressure raise rate (Pa/H) | ≤ 0.5 | ||||
| Debinding rate | >97.5% | ||||
| Debinding method | N2 in negative pressure,H2 in atmosphere | ||||
| Input gas | N2,Ar | ||||
| Cooling Speed | adjustable | ||||
| Cooling method | Vacuum cooling,Pressure cooling,Forced pressure cooling | ||||
| Sintering method | Vacuum sintering,partial pressure sintering,pressureless sintering | ||||
| Furnace structure | Horizontal, single chamber | ||||
| Furnace door opening method | Hinge type | ||||
| Heating elements | Graphit heating elements | ||||
| Heating chamber | Composition structure of Graphit hard felt and soft felt | ||||
| Thermocouple | C Type | ||||
| PLC & Electric elements | Siemens | ||||
| Temperature controller | EUROTHERM | ||||
| Vacuum pump | Mechanical pump and roots pump | ||||
Customized optional ranges
| Maximum temperature | 1300-2800 ºC | ||||
| Maximum temperature degree | 6.7 * E -3 Pa | ||||
| Furnace structure | Horizontal,Vertical, single chamber | ||||
| Door opening method | Hinge type, Lifting type,Flat type | ||||
| Heating elements | Graphit heating elements, Mo heating elements | ||||
| Heating chamber | Composed Graphit felt, All metal reflecting screen | ||||
| Vacuum pumps | Mechanical pump and roots pump; Mechanical, roots and diffusion pumps | ||||
| PLC & Electric elements | Siemens;Omron;Mitsubishi;Siemens | ||||
| Temperature controller | EUROTHERM;SHIMADEN | ||||
