Gear Powder Metallurgy Sintered Parts

Powder metallurgy gears are difficult to be counted separately in the entire powder metallurgy parts, but the proportion of Gear powder metallurgy sintered parts in various machinery, automobiles and motorcycles is much larger than that in other fields, whether by weight or by the number of parts. powder metallurgy parts. Qinhuangdao Zhongwei Precision Machinery Co., Ltd. Powder Metallurgy Division was established in 2007 and is located in Qinhuangdao City, Hebei Province. There are two production lines for metal injection molding MIM process and powder metallurgy PM. The company's existing self-developed products: German Maya warp knitting machine Sensing chain blocks, aluminum alloy powder metallurgy gears, automobile oil pump rotors, washing machine transmission gears and other products, the powder metallurgy products produced cover automobiles, motorcycles, power tools, home appliances, textile machinery parts and other fields. Our company is a research and development, production and sales of copper alloy gears, iron-based gears, stainless steel-based gears, aluminum alloy gears, nickel alloy gears, cobalt alloy gears, tungsten alloy gears, carbide gears, and powder metallurgy structural parts. Comprehensive high-tech enterprise.

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 alloy, iron base, titanium alloy, stainless steel base, aluminum alloy, nickel alloy, cobalt alloy, tungsten alloy, cemented carbide, hydroxy alloy, soft magnetic material and 3D printing can be customized according to customer requirements.

Product Application and Development Prospects

1. Powder metallurgy gear is a product of high-tech with less chips and no chips.

Therefore, it can be seen from the increase in the proportion of automobiles and motorcycles in the whole powder metallurgy parts that powder metallurgy gears are in a rapidly developing position in the whole powder metallurgy parts. According to the characteristics of parts, gears belong to structural parts, and the absolute weight of structural parts in the whole iron-based parts is far greater than that of other types, powder metallurgy parts.

2. Types of applications

Powder metallurgy gears are powder metallurgy parts commonly used in various automobile engines. Through one forming and finishing process, no other post-processing processes are required, and the dimensional accuracy requirements, especially the tooth shape accuracy, can be fully met. Therefore, compared with the traditional machining method, the material input and manufacturing are greatly reduced, and it is a typical product reflecting the characteristics of powder metallurgy. Examples of powder metallurgy parts matching parts name: automobile engine; camshaft, crankshaft timing pulley, water pump, oil pump pulley, driving and driven gears, driving and driven sprockets, cams, bearing caps, rocker arms, Bushings, thrust plates, valve guides, intake and exhaust valve seats, automotive gearboxes; various high and low speed synchronizer hubs and components, clutch gears, cams, camshafts, sliders, shift levers, bushings, guides Blocks, synchronizer rings, motorcycle parts: driven gears and assemblies, sprockets, starting pawls, ratchets, spiders, double gears, pinions, shifting gears, push rod cams, bushings, sliding bearings, centering sleeves , Driven disc, intake and exhaust valve seats Automobile and motorcycle oil pumps: various oil pump gears, gear hubs, various oil pump rotors, cam rings, various pistons of automobile and motorcycle shock absorbers, bottom valve seats, guide seat compression All kinds of pistons, cylinder blocks, cylinder heads, valve plates, sealing rings of agricultural machinery products, all kinds of bushings, rotors, bearings, etc. Others: distributor gears, planetary gears, internal tooth plates, combined internal gears, various stainless steel nuts, magnetic poles.

3. Development prospects

Although the powder metallurgy industry has experienced rapid development for nearly 10 years, there are still gaps in the following aspects with the same industry abroad:

(1) There are many enterprises, the scale is small, and the economic benefits are very different from those of foreign enterprises.

(2) The products are crossed, and the companies lower the prices of each other, and the competition is extremely fierce.

(3) Most enterprises lack technical support, backward R&D capabilities, and low product grades, making it difficult to compete with foreign countries.

(4) Lack of reinvestment and troubles.

(5) The technological equipment and supporting facilities are backward.

(6) There are few products exported and the trade channels are not smooth. With my country's entry into the WTO, the above deficiencies and weaknesses will be improved. This is because the market will gradually internationalize after China's entry into the WTO, and the powder metallurgy market will be further expanded. At the same time, with the entry of foreign capital and technology, powder metallurgy And related technical level will also be improved and developed.

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;

4. Provide after-sales service.