
Mobile Phone Switch Button Metal Powder Injection Molding
Key words: metal injection molding, MIM stainless steel, powder metallurgy cartridge
Material: Stainless Steel 316L 304 17-4PH Titanium
Surface treatment requirements: polishing, sandblasting, sandblasting, electroplating
Dimensional tolerance range: customized
Introduction of metal injection molding mobile phone buttons
Product name: mobile phone button
Product Category: Mobile phone digital industry
Key words: metal injection molding, MIM stainless steel, powder metallurgy cartridge
Material: Stainless Steel 316L 304 17-4PH Titanium
Surface treatment requirements: polishing, sandblasting, sandblasting, electroplating
Dimensional tolerance range: customized
Product size: 10mm±0.02-0.04mm
Metal Injection Molding Headphone Parts | |||||||||
Item | Material | Production Process | Sintering Temperature | Mold | Custom | ||||
Headphone Shell | 304 stainless steel | Metal Injection Molding | 1550℃ | To be customized | Yes | ||||
Chemical Composition | Chemical Composition: | ||||||||
Hardness range | Hardness: The heating temperature of solution treatment is generally high, and the hardness is generally around 135HBS. | ||||||||
Available Materials | Low carbon stainless steel, titanium alloy (Ti, TC4), copper alloy, tungsten alloy, cemented carbide, high temperature alloy (718, 713) | ||||||||
Finish | Dimensional Accuracy | Product Density | Appearance Treatment | Appropriate Weight | |||||
Roughness 1~5μm | (±0.1%~±0.5%) | 95~100% | Mirror Reflection | 0.03g~400g) | |||||
Qinhuangdao Zhongwei Precision Machinery Co., Ltd. is a private enterprise specializing in the manufacture of powder metallurgy parts. After more than 20 years of development, it has a strong technical team composed of many senior talents in the powder metallurgy industry, and has obtained the National Powder Metallurgy Research Institute. The technical support of the company is dedicated to provide intimate supporting services for the majority of metal parts buyers at home and abroad.
Product Introduction
1. Implementation standards: the company strictly implements ISO9001, ISO14001, IATF16949 certification
Mobile phone single lens ring metal powder injection molding parts passed ROHS, FDA EU certification
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.
Our main production and sales:
1. Special-shaped powder metallurgy structural parts and hardware such as various precision transmission gears, special-purpose gears for car DVDs, and mobile phone buttons;
2. Special gear for car DVD;
3. Metal injection molding (MIM) - complex powder metallurgy parts such as copper, iron, stainless steel, high specific gravity;
4. Eccentric vibrators for mobile phone buttons and vibration motors;
5. Copper ball, stainless steel ball filter (net); zinc, aluminum, iron, stainless steel and other metal die castings;
6. Cobalt, nickel, tin, copper, iron, zinc, titanium, manganese, tungsten and more than 20 kinds of metal powders of 40-500 mesh. Welcome to map and sample production and processing orders!
Every product has its own uniqueness. Only the uniqueness can be liked by people. If everything is the same, then someone will like you and someone will use you. What you don't have, you will feel novel. MIM metal injection molding is such a product, so what is the uniqueness of metal injection molding technology?
Parts with complex shapes can be formed at one time, reducing the cost of secondary processing.
With good surface roughness, it can be used for watch parts and decorations where appearance is important.
Mechanical properties are better than traditional powder metallurgy products.
High density and easy electroplating.
Parts can be mass-produced efficiently in one mold with multiple cavities.
Almost any metal material that can be made into a fine powder can be used in the metal injection molding (MIM) process.
Taking Europe as an example, stainless steel accounts for 50%, low alloy steel 25%, soft magnetic material 5%, titanium alloy 1%, and others 19%. Similar to the world, the powder materials for MIM are mainly stainless steel and iron-based alloys, accounting for about 65% and 20% respectively, followed by tungsten-based alloys (10%) and a small amount of cemented carbide, copper-based alloys and titanium alloys etc. (about 5%). The mobile phone market is the main application area for MIM components. From the application field distribution of MIM products, in 2020, the mobile phone industry will account for 56.3%, computers will account for 8.3%, smart wearables will account for 11.7%, automobiles will be 3.5%, hardware (including machinery) will be 6.9%, medical care will be 4.5%, and others (including military) will be 9.3%. %. From the perspective of application trends, mobile phones continued to maintain the largest share of MIM applications but declined slightly. The proportion of computers, smart wearables and military-related products increased significantly, medical and automotive products increased slightly, and hardware and machinery products decreased significantly. In mobile phones, MIM is mainly used for card trays, mobile phone casings, structural parts, camera rings, mobile phone buttons and other internal structural parts, etc. This part usually has high precision and wear resistance requirements for parts. 5G mobile phone: The internal design complexity and integration level of 5G mobile phones are further improved, and the internal structure is constantly developing towards the trend of precision and miniaturization, and the MIM process is not required to manufacture high-complexity, high-precision, high-strength, and beautiful-looking precision structures. It has obvious advantages in terms of components. The increase in smartphone penetration and continuous upgrades will drive the growth of the MIM market; Folding screen mobile phones: 2019 is the first year of folding screen mobile phones. In 2021, major mobile phone brand manufacturers at home and abroad have already Enter the folding screen mobile phone market. With the improvement of folding screen mobile phone technology and consumption replacement (including dual-folding screens, scroll screens, etc.), and the inevitable price reduction trend of iterative mobile phones, the market penetration rate of global folding screen mobile phones will increase. MIM has the advantages of wider material selection and higher product complexity, which perfectly meets the needs of folding mobile phone hinges. It is expected that the demand for MIM will grow rapidly with the increase in the volume of folding screen mobile phones in the future.
Our Service
Pre-sale | Evaluate according to drawings or products, calculate the price, and submit it to the buyer for confirmation |
On sale | The production process of all products is supported by the production system and delivered according to the mutually agreed time. (If the size of the drawing needs to be changed in the middle, the buyer is responsible for the inconsistency with the original drawing. If we fail to meet customer requirements during the modification process, a full refund will be given) |
After sales | After handing over the product, we will seal all the buyer's molds for safekeeping. (Problem solving) If there is a second or third revision in the production process, we will reply within 1 hour at the earliest, and we will solve customer problems within 8 hours at the latest depending on the situation of products that need to be evaluated. |
Why Choose US?
Our R&D team | Zhongwei Precision Co., Ltd. and Central South University have a R&D team of 10 people. They develop more than 400 products each year, which is more than 68% higher than the same industry, and have obtained more than 20 patent certificates. |
Our technical team | Zhongwei Precision has 5 professional engineers in the field of metal injection molding, and 15 technicians responsible for workshop management. |
Our philosophy on quality management | 1. Focus on the customer |
Device resources | The company has 10 MIM production lines, CNC and intelligent automated production workshops for production lines, which can guarantee the production of millions of MIM parts per day. |
System Certification | ISO9001, ISO14001, IATF16949 certification |
| Port | It is 200 kilometers away from Tianjin Port, and goods can arrive at the port within 24 hours. |
Process After Sintering
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: anodizing, 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.
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