Aluminum Metal Powder Injection Molded Parts

Qinhuangdao Zhongwei Precision Machinery Co., Ltd. is a collection of copper alloy metal injection molding, iron-based metal injection molding, stainless steel-based metal injection molding, aluminum alloy metal injection molding, nickel alloy metal injection molding, cobalt alloy metal injection molding, tungsten alloy metal injection molding. A comprehensive high-tech enterprise integrating R&D, production and sales of injection molding, cemented carbide metal injection molding, and powder metallurgy structural parts. Can produce American brand 6061 aluminum alloy metal injection molding parts, 6063 aluminum alloy metal injection molding parts, Japanese brand A6061Aluminum Metal Powder Injection Molded Parts, A6063 aluminum alloy metal injection molding parts, German brand AlMg1Si0.5 German brand AlMg1Sicu aluminum alloy metal injection molding pieces, etc.

Product Description

1. Implementation standards: the company strictly implements ISO9001, ISO14001, IATF16949 certification

The products have passed the certification of ROHS, FDA EU, etc.

2. Product material standards: ISO, GB, ASTM, SAE, EN, DIN, BS, AMS, JIS, ASME, DMS, TOCT, GB

3. Main processes: metal injection molding MIM, powder metallurgy PM, investment casting, die-casting aluminum,

4. Available materials for powder metallurgy:

Copper alloys, iron bases, titanium alloys, stainless steel bases, aluminum alloys, nickel alloys, cobalt alloys, tungsten alloys, cemented carbides, hydroxy alloys, soft magnetic materials and 3D printing can be customized according to customer requirements.

Patent details of the machine

The invention discloses an aluminum alloy injection molding machine and an injection molding process, including a mold clamping mechanism, an ejection mechanism, an injection mechanism and an electrical control system. The injection mechanism includes: a material barrel with openings at both ends, a coating The heating device on the barrel, the nozzle fixed at the opening of the inner end of the barrel, the feeding device fixed on the top of the outer end of the barrel and communicated with the barrel, the injection rod movably arranged at the opening of the outer end of the barrel, push The injection cylinder is an injection cylinder in which the injection rod extends and retracts in the barrel. The diameter of the injection rod is in clearance fit with the diameter of the opening at the outer end of the cylinder. The heating device and the injection cylinder are both connected to the electrical control system. The invention enables the preparation, transportation and molding of the liquid aluminum alloy to be completed in the injection molding machine, which completely prevents the air from entering the injection molding machine and improves the quality of the finished product.

1.An aluminum alloy injection molding machine, comprising: mold clamping mechanism, ejector mechanism, injection mechanism and electrical control system, it is characterized in that, described injection mechanism comprises: both ends are provided with the barrel of opening, be wrapped in material The heating device on the barrel, the nozzle fixed at the opening of the inner end of the barrel, the feeding device fixed on the top of the outer end of the barrel and communicated with the barrel, the injection rod movably arranged at the opening of the outer end of the barrel, push the An injection cylinder in which the injection rod is telescopic in the barrel, the diameter of the injection rod is in clearance fit with the diameter of the opening at the outer end of the barrel, and the heating device and the injection cylinder are both connected to the electrical control system.

2. aluminum alloy injection molding machine according to claim 1, is characterized in that, described clamping mechanism comprises: the fixed mold seat plate, the movable template, the movable mold seat plate and the opening and closing mold oil cylinder that are arranged successively; A crank mechanism for telescopic motion is connected between the template and the movable mold base plate, the mold opening and closing oil cylinder is fixed on the movable mold seat plate, and the output shaft of the mold opening and closing oil cylinder is connected with the crank mechanism in a transmission connection, and the opening and closing mold oil cylinder The mold clamping cylinder is connected with the electrical control system.

3. aluminum alloy injection molding machine according to claim 2, is characterized in that, described ejector mechanism is arranged between the movable die base plate and the movable template, and the ejection mechanism comprises: A push plate that reciprocates between, a push rod with one end fixed on the push plate and a reset rod, a push-out cylinder that can push the push plate toward the moving template, the movable end of the push rod extends out of the moving template, and the movement of the reset rod The end extends into the movable template, the end face of the movable end of the reset rod is flush with the movable template, and the push-out oil cylinder is connected with the electric control system.

4 . The aluminum alloy injection molding machine according to claim 3 , wherein a guide plate is provided on the side of the movable die plate facing the movable die base plate, and both the push rod and the reset rod move through the guide plate and extend again. 5 . into the motion template.

5. The aluminum alloy injection molding machine according to any one of claims 2 to 4, wherein the crank mechanism is composed of at least two sets of hinge assemblies and connections symmetrically arranged between the movable die base plate and the movable die plate. The positioning plate of each hinge assembly is formed, and the hinge assembly includes a crank arm hinged with the movable die base plate, a connecting rod hinged with the moving template, and a transition link hinged between the crank arm and the connecting rod; the positioning plates are respectively It is hinged with the transition connecting rod in each hinge assembly, and the output shaft of the mold opening and closing oil cylinder is drively connected with the positioning plate.

6. an aluminum alloy injection molding process, is characterized in that, comprises the following steps: a. feeding: at room temperature, solid aluminum alloy is fed into the opening of the barrel outer end from the feeding device of the injection molding machine, and the solid aluminum The alloy is continuously pushed forward into the barrel; b. melting: the barrel is heated to 607°C-650°C by the heating device on the injection molding machine, until the solid aluminum alloy in the barrel is completely melted; c. injection molding: injection The rod injects the liquid aluminum alloy in the barrel into the mold cavity through the nozzle, and the liquid aluminum alloy is cooled to 80°C in the mold cavity and then the mold is opened.

7 . The aluminum alloy injection molding process according to claim 6 , wherein the shape of the solid aluminum alloy is one of a rod shape or a sheet shape.

8. The aluminum alloy injection molding process according to claim 6 or 7, characterized in that, before the solid aluminum alloy is fed into the barrel, the solid aluminum alloy is first softened.

9. aluminum alloy injection molding process according to claim 6, is characterized in that, in the process that described solid aluminum alloy melts in barrel, the melting point temperature difference is controlled in ± 1 DEG C.

10 . The aluminum alloy injection molding process according to claim 6 , wherein the solid aluminum alloy is a 6063 aluminum alloy bar. 11.

Post Casting Process

1. Heat treatment: annealing, carbonization, tempering, quenching, normalizing, surface tempering

2. Processing equipment: CNC, WEDM, lathe, milling machine, drilling machine, grinder, etc.;

3. Surface treatment: powder spraying, chrome plating, painting, sandblasting, nickel plating, galvanizing, blackening, polishing, bluing, etc.

Moulds and Inspection Fixtures

1. Mold service life: usually semi-permanent. (except for lost foam)

2. Mold delivery time: 10-25 days, (according to product structure and product size).

3. Tooling and mold maintenance: Zhongwei is responsible for precision parts.

Quality Control

1. Quality control: the defective rate is less than 0.1%.

2. Samples and trial run will be 100% inspected during production and before shipment, sample inspection for mass production according to ISDO standards or customer requirements

3. Testing equipment: flaw detection, spectrum analyzer, golden image analyzer, three-coordinate measuring machine, hardness testing equipment, tensile testing machine.

Application

Aluminum Metal Powder Injection Molded Parts uses a mixture of metal powder and non-metal powder as raw materials, after forming and sintering, it is a new technology to manufacture metal materials, composite materials and various types of products, which can be widely used in automobiles, tractors, aircraft, various types of products. Construction machinery, household appliances, communications, computers, automatic control and space technology and other fields.