Mosten Alloy Co., Ltd.

Leading Supplier of Molybdenum and Tungsten
High Quality & Reasonable Price & Best Service
Applications:
Semiconductor, Solar Energy,
Medical and Aerospace etc.

Product

Mosten Alloy Co., Ltd.

Multi-zone temperature control and air intake device for walking beam continuous degreasing sintering furnace

  • Mosten
  • 7 Sept

Metal powder injection molding is a new near-net forming technology of powder metallurgy which is introduced into the field of powder metallurgy by modern plastic injection molding.

Metal powder injection molding is one of the traditional powder metallurgy process and plastic forming technology with the combination of new technology, is the collection of plastic forming technology, polymer chemistry, metal material science and powder metallurgy technology crossover, using the mold to the injection forming, quickly make the structure of high density, high precision and complex shape parts, It is a new revolution in manufacturing technology industry that the design ideas can be quickly and accurately transformed into products with certain structural and functional characteristics, and the parts can be directly mass-produced. The injection mechanism is as follows: through the injection machine, the mixture of metal powder and binder is injected into the full mold cavity at a certain temperature, speed and pressure, and the mold is shaped by cooling to get a certain shape and size of the preform, and then the binder in the preform is removed and sintered to get a certain mechanical properties of the parts. The forming process is as follows: 1. Metal powder and binder mixture, 2. Forming, 3. Degreasing, 4. Sintering, 5. Post-processing, 6. Finished product. The multi-area temperature control and air inlet device for the walking beam continuous defatted sintering furnace includes the upper thermocouple and the upper inlet pipe arranged on the top of the sintering section of the sintering furnace and the lower thermocouple and the lower inlet pipe arranged on both sides of the sintering section of the sintering furnace. The sintering section of the sintering furnace is located on both sides of the material boat and is also provided with molybdenum heating body.

An upper mounting hole is arranged on the top of the sintering section of the sintering furnace, and a lower mounting hole is arranged on the lower sides of the sintering section of the sintering furnace. The upper thermocouple and the upper inlet pipe are arranged in the upper mounting hole, and the lower thermocouple and the lower inlet pipe are arranged in the lower mounting hole.

The upper inlet pipe is provided with a through channel, the outer end side wall of the upper inlet pipe is provided with an air inlet, and the upper thermocouple is arranged in the through channel.

The through-passage runs through the refractory brick in the sintering section of the sintering furnace.

A middle channel is arranged inside the lower inlet pipe, and an air inlet is arranged on the outer end side wall of the lower inlet pipe, and the lower thermocouple is arranged in the middle channel.

The middle passage runs through the refractory brick in the sintering section of the sintering furnace.

The molybdenum heating body comprises an upper molybdenum heating body and a lower molybdenum heating body; The upper molybdenum heating body is located on the upper two sides of the material boat, and the lower molybdenum heating body is located on the lower two sides of the material boat.

The upper molybdenum heating body is connected with a leading structure, the lower molybdenum heating body is connected with the leading structure, and the upper leading structure and the lower leading structure are misaligned.

The side wall of sintering section of sintering furnace includes thermal insulation cotton board, thermal insulation brick and firebrick arranged successively from outside to inside; The molybdenum heating body is arranged on the inner wall of the refractory brick.