Lost-wax Casting Of Titanium Alloy For Car Doors
Definition and Principle Lost-wax casting of titanium alloy for car trunk locks is a precision metal forming process used to manufacture car trunk locks. Lost-wax casting, also known as investment casting, works by first creating a wax model with the same shape as the desired lock. Then, refractory material is repeatedly coated onto the surface of the wax model to form a shell with a certain strength.
Introduction to MIM components of Metal Injection Molded Automotive Seat Doors
| Product Name | Material | Production process | Sintering temperature | Mold | Customized | |
| Car seat door |
316L |
Metal injection molding |
1500℃ |
Customization required |
Yes |
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| Chemical composition |
C ：≤0.030 Si： ≤1.00 Mn：≤2.00 S ： ≤0.030 P ： ≤0.045 Cr：16.00～18.00 Ni：10.00～14.00 Mo：2.00～3.00 |
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| Available materials | Low-carbon stainless steel, titanium alloys (Ti, TC4), copper alloys, tungsten alloys, cemented carbides, high-temperature alloys (718, 713) | |||||
Product advantages of metal injection molded MIM components for automotive seat doors
| Smoothness | Dimensional accuracy | Product density | Appearance treatment | Appropriate weight | ||||||
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Roughness 1～5μm |
(±0.1%～±0.5%) |
92～95% |
Mirror polishing |
0.03g～400g) |
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| Mechanical properties |
Tensile strength σb (MPa)：≥480 Conditional yield strength σ0.2 (MPa)：≥177 Elongation δ5 (%)：≥40 Reduction of area ψ (%)：≥60 Hardness ：≤187HB;≤90HRB;≤200HV Density：7.98g/cm3; Specific heat capacity ratio(20℃)：0.502kJ/(g*K) |
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Thermal conductivity(W/(m*K)) |
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| Heat treatment | Solution: 1010-1150℃, rapid cooling. | |||||||||
Detailed Explanation of Automotive Seat components
For car buyers, what matters most is whether the car quality meets the standards. This is related to our driving safety and whether it can effectively and safely protect us in case of danger during driving. The car seat slide rail plays a crucial role and is also an important part of the car.
As a key component of the car seat, the car seat slide rail serves as the fixing device, adjusting device and locking device of the car seat. Automobile seat slide rail grease is one of the main components in a car. In the safety performance indicators of seats, the slide rails should be able to be used within a temperature range of -40 to 90 degrees. During use, the slide rail will come into contact with substances such as water, dust and soil. The load borne by the slide rail is not high. The lubricating grease for car seat slide rails is applied to the mating surfaces of the slide rails to lubricate them, reduce wear, maintain appropriate sliding force during the sliding process, and provide protection for the slide rails to prevent rust.
The main components for which Youbao automotive assembly grease is applied are several parts:
1) Body components: door system, sunroof system, airbags, rearview mirrors, door lock system, control cables, interior parts, seat system, as well as bolts and fasteners
2) Chassis and braking system: Chassis and braking system
3) Electrical components: connectors, relay switches, accessories, ignition systems, and lighting
4) Fuel and air system: Fuel and air system
5) Power system components: assembly accessories, cooling and air control systems, engine coatings, clutches, cover gaskets, seals, and transmission and gear shifting systems
Index parameters
Color and appearance: Uniform white paste. Working penetration: (25℃), 0.1mm, 265-295. Dropping point: 200 parts oil at ℃ (100℃, 24 hours), Wt.%1.5. Evaporation loss: (99℃, 22 hours), Wt.%0.17. Corrosion: (100℃, 24 hours, T2Cu), grade 1a. Wear resistance: Grinding mark diameter (392N, 60min), mm0.5. Operating temperature range: ℃-40 to 150
What are the accessories for car seats
At first glance, the shape and structure of a car seat seem relatively simple. However, in reality, a car seat is generally composed of six major seat accessories. Below, the author will introduce to you what automotive seat accessories make up the structure of a car seat.
The structural components of a car seat mainly include car seat accessories such as the adjustment mechanism, face cover, Angle adjuster, backrest frame, foam, headrest, etc.
The adjustment mechanism is an important component mainly used to fix the position of the seat, and it also serves to adjust the front and back of the seat and move it up and down. However, nowadays, with the advancement of technology, the rapid development of the automotive industry, and the extensive application of micro-motors in seats, the adjustment methods of seats have gradually become electrified.
Nowadays, the electric adjustment directions of car seats can reach over twenty. The seats can not only be moved forward and backward, up and down, and forward and backward, but also the headrests can be adjusted in multiple directions. Even the backrests are equipped with electric lumbar supports that can protrude forward and retract backward, making it easier for the seats to fit different body shapes and sitting postures. The reason why this effect can be presented is mainly due to the Velcro fastener.
Zhongwei Precision offers the following services
| Pre-sale | Evaluate based on the drawings or products, calculate the price, and submit it to the purchaser for confirmation |
| On sale | All production processes of the products are supported by the production system and delivered at the agreed time. (If the dimensions of the drawings need to be changed during the process and do not match the original drawings, the purchaser is responsible. If the requirements are not met according to the drawings, Zhongwei Precision is responsible for the modification. If we fail to meet the customer's requirements during the modification process, a full refund will be given.) |
| After-sales service | After the product handover, all the molds of the purchasers will be sealed and kept by us. |
Why choose Zhongwei Precision as your partner
The post-sintering process
Heat treatment: annealing, carbonization, tempering, quenching, normalizing, surface tempering
2. Processing equipment: CNC, slow wire electrical discharge machining, lathes, milling machines, drilling machines, grinders, etc.
3. Surface treatment: anodizing, powder coating, chromium plating, painting, sandblasting, nickel plating, zinc plating, blackening, polishing, bluing, etc.
Molds and inspection tools
1. Mold service life: It is usually semi-permanent. (Except for lost foam molds
2. Mold delivery time: 10-25 days (depending on the product structure and size).
3. Maintenance of tooling molds: To be handled by Zhongwei Precision Machine Parts.
Quality control
1. Quality control: The defect rate is less than 0.1%.
2. Samples and trial runs will undergo 100% inspection during production and before shipment. Sample inspections for mass production will be carried out in accordance with ISDO standards or customer requirements
3. Testing equipment: flaw detection, spectrometer, metallographic analyzer, three-coordinate measuring machine, hardness testing equipment, tensile testing machine;
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