Description
Our vacuum-pressure sintering furnaces are ideally suited for dewaxing, sintering and pressure sintering processes of stainless steel, iron-based alloy, copper-based alloy, aluminum products, tungsten alloy, magnetic and cemented carbide, etc.

Main Properties
1. Wax-collection rate: 98%.
2. Temperature & atmosphere uniformity:
Coercivity deviation: ≤±0.3KA/M;
Magnetic saturation deviation: ≤±0.2%.
3. Temperature variation: ≤ ±5°C.

Properties of cemented carbide after sintering:
1. Bending strength: 3000;
2. Porosity: A00-A02;
3. Density: 14.95.

Quality Advantages
Low temperature uniformity test is carried out to ensure the high quality of gas pressure sintering furnace. 6 thermocouples are arranged in the furnace.
(1) Test conditions of vacuum dewaxing or flowing gas dewaxing
Test temperature: 280°C, 335°C;
Keep the temperature constant within 180 minutes;
Tolerance of 6 thermocouple reading: ±5°C.
(2) Test condition of vacuum sintering
Test temperature: 600°C, 800°C, 950°C;
Keep the temperature constant within 180 minutes;
Tolerance of 6 thermocouple reading: ±5°C.

Technical Advantages
1. A filter is designed on the main line of the vacuum-pressure sintering furnace to effectively protect the vacuum pump and extend the oil change interval of vacuum pump.
2. This gas pressure sintering furnace adopts patented dual dewaxing outlet structure (patent No.: ZL2013 2 0422916.7). Compared with single dewaxing outlet design of other brands, our pressure sinter furnace enjoys better atmosphere uniformity when sinters ultra-fine cemented carbide with low cobalt.
3. Our patented dual fast-cooling structure (patent No.: ZL2013 2 0422878.5), compared with single fast-cooling structure of other companies, helps effectively improve the efficiency of the vacuum-pressure sintering furnace.
4. Newly-designed dewaxing system with additional gas distribution pipe (patent No.: ZL2013 2 0471657.7) allows enhanced atmosphere uniformity (97%) during the dewaxing process.
5. We adopt tapered sealing structure (patent No.: ZL2013 2 0422133.9) on both ends of the sintering chamber for improved sealing effect of furnace door, less heat loss, and ease of replacement and maintenance.

Experience Advantages
1. We have been engaged in designing and manufacturing furnaces for more than 15 years.
2. Commissioning experience of hundreds of gas pressure sintering furnaces.
3. We have a professional team that is capable of completing installation and commissioning within 25 days if water, electric and gas are ensured.

After-sales service
1. We provide technical support and professional solutions according to your production process.
2. We will be responsible for the liability related to intellectual property rights arising from or in connection with the design, manufacturing, sales and operation of the vacuum-pressure sintering furnace. Customers will not be responsible for such liability.
3. We offer 12-month warranty for this gas pressure sintering furnace. If equipment failure happens, our after-seals personnel will respond within 24 hour after being notified, and if on-site assistance is required, our personnel will arrive at the site within 48 hours. They will check and repair the equipment until it works normal again.
4. If any loss or damage arises during the warranty period from equipment quality, we will offer free replacement or repair. If it’s not due to quality, or it’s caused by customer’s negligence or improper operation, customer can contact us for paid technical assistance.

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