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What is Auto Parts Mould
Auto Parts Mould is a manufacturing process that uses a high-pressure plastic injection to form a variety of automotive parts, such as body panels, interior components, and engine parts.
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SMC high-speed rail window mould
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They can easily reduce the overall weight of automobile vehicles.
There is great flexibility in the material and colors
The plastic molded car parts have high strength.
All the automotive parts have high accuracy.
The manufacturers get the capability to add numerous details to automotive parts.
Classification of Auto Parts Mould
There are many ways to classify automobile part molds. The different mold types or manufacturing methods of the auto part forming and processing can be divided into the following categories.
Injection mold is also called injection mold. The molding process of this mold is characterized in that the plastic raw materials are placed in the heating barrel of the injection machine. The plastic is heated and melted. Driven by the screw or plunger of the injection machine, it enters the mold cavity through the nozzle and the pouring system of the mold. The plastic is solidified and formed in the mold cavity through heat preservation, pressure holding, and cooling. Because the heating and pressurizing device can play a role in stages, injection molding can not only form plastic parts with complex shapes but also have high production efficiency and good quality. Therefore, injection molding occupies a large proportion of the molding of plastic parts, and the injection mold accounts for more than half of the plastic molding mold. The injection machine is mainly used for the molding of thermoplastics and has gradually been used for the molding of thermosetting plastics in recent years.
Compression die is also called pressing die or glue pressing die. The molding process of this mold is characterized in that the plastic raw materials are directly added into the open mold cavity, and then the mold is closed. After the plastic is in a molten state under the action of heat and pressure, the mold cavity is filled with a certain pressure. At this time, the molecular structure of the plastic produced a chemical cross-linking reaction and gradually hardened and shaped. Compression molds are mostly used for thermosetting plastics, and their molded plastic parts are mostly used for the shell of electrical switches and daily necessities.
Transfer mold is also called pressure injection mold or extrusion mold. The molding process of this mold is characterized in that the plastic raw materials are added to the preheated feeding chamber, and then the pressure is applied to the plastic raw materials in the feeding chamber by the pressure column. The plastic melts under high temperature and high pressure and enters the cavity through the pouring system of the mold, and then the chemical crosslinking reaction occurs and gradually solidifies and forms. The transfer molding process is mostly used for thermosetting plastics, which can form plastic parts with complex shapes.
The extrusion die is also known as the extruder head. The die can continuously produce plastics with the same section shape, such as plastic pipe, bar, sheet, etc. The heating and pressurizing device of the extruder is the same as that of the injection machine. The molten plastic will form continuous molded plastic parts through the machine head, and the production efficiency is particularly high.
What is the best material for injection molding auto parts?
Different parts demand different plastic materials.
Nylon is mainly used in automotive engines and engine peripheral parts, etc.
PBT is widely used in the production of automotive parts such as bumpers, carburetor components, fenders, spoilers, instrument panels, car ignition, gas pedal, clutch pedals, etc.
POM is very suitable for manufacturing automotive pumps, carburetor parts, fuel lines, power valves, universal joint bearings, motor gears, cranks, handles, instrument panels, car window lifters, electric switches, seat belts buckles, etc.
PC is mainly used in automotive parts such as exterior and interior trim parts, dashboard surroundings, antifreeze plates, door handles, underflow plates, brackets, steering column sheathing, decorative plates, air conditioning system parts, lamp parts, and other automotive parts.
Large size: Auto part like car bumpers, fenders, hoods, grilles, doors, backseats, front covers are in larges size, so the injection molds are need to be made in large size as well. This would require the injection mold makers to invest on large size machines.
Complex surface: Part with complex surface need to be machined by high speed and high precision CNC.
Mold flow analysis is highly recommended in pre-design stage. For a long melt flow auto parts like car bumpers and grilles, application of mold flow analysis can provide the optimum gating solution and minimize injection molding cycle, multiple hot nozzles are employed frequently.
Mould steel: NAK80, 738H, SKD61, P20, 718, 718H, 2738, 738, etc.
Plastic Material: ABS, PP, POM, PS, PVC, HDPE, HIPS, etc.
Mould base: LKM
Hot runner: YUDO, Mold Masters etc as specified.
Standard parts: DME, HASCO, etc.
Types of Car Part Mold
Car Seat Mould for Kids
Baby car seat mold affects the plastic car safety seat molding production output a lot. A high efficient cooling system for the plastic car safety seat mold will shorten the shot circle, as a result, save more machining costs and time. JMT concerns a lot about mold cooling systems and production stability. Our aim is to make customers run molds as little as possible for mold repair work, the best is free of repair work during mass production.
Auto Rear View Mirror Housing Mold
Green Vitality Industry supplies automotive rearview shell plastic injection mold since 2013. We can provide you with Innovative solutions, speedy and speedy, and precise design & analysis, high quality, and longevity on your project.
Car Light Mould
For cars, lamps are an essential function. The most important part of the lamp is the headlamp body, reflector, decorative frame, and lamp mirror. Green Vitality provides car lamp cover mold design and manufacturing solutions.
Automotive Air Grille Mold
The car grille is a mesh part of the front of the car. It is a very important part of auto parts. It has the functions of decoration, protection, and ventilation. Green Vitality is an experienced on making kinds of automotive parts molds, especially in plastic car air grill mold.
Auto Bumper Mould
Automobile bumpers are made of plastic materials, which not only have decorative functions but also have devices for absorbing and buffering shocks and protecting the body and the driver. Green Vitality specializes in bumper making, bumper molding, car bumper manufacturing process.
Auto Parts Mold Design Standards and Requirements
Auto parts mold design standards and requirements mainly include the following aspects: design requirements, dimensional accuracy, functional requirements, service life, quality requirements and safety requirements. The following are the specific content.
Design requirements
The design of auto parts mold to meet the production requirements of auto parts. Designers need to be based on the shape of the parts, size and other characteristics, to determine the structural layout of the mold, parting method, guide plate design.
Dimensional accuracy
Auto parts mold production needs to meet the dimensional accuracy requirements of auto parts assembly. Mold design should take into account the shrinkage rate of the material, post-processing and other factors, to ensure that the size of the mold processed parts consistent with the design requirements.
Functional requirements
The design of auto parts mold to meet the functional requirements of the mold. Designers need to be based on the structure of the parts, performance requirements and other factors to determine the molding method, mold release mechanism design, cooling system design, etc., to ensure that the mold can meet the requirements of parts production.
Service life
Auto parts mold design needs to consider the service life of the mold. For different parts of the production needs, designers need to choose the right material, heat treatment process, etc., to ensure that the mold has sufficient strength and hardness, to extend the service life of the mold.
Quality requirements
The production of auto parts molds need to meet the quality management requirements. Designers need to consider the mold manufacturing process, processing accuracy, quality control, etc., to ensure that the quality of the mold production meets the standards, and can meet the production requirements of the parts.
Safety requirements
The design of auto parts mold needs to consider the safety of operation. Designers need to reasonably set the mold safety devices, warning signs, etc., to ensure the personal safety of operators.
Auto Parts Mould Process Explained
Design drawings
The first step in the production of auto parts mold is to draw the design drawings of the mold according to the shape, size, material and usage of the auto parts. The design drawings must be accurate, including the size accuracy, shape accuracy, position accuracy of each part of the mold, and also consider the machinability and maintainability of the mold.
Processing
After the design is completed, the mold needs to be processed according to the drawings. The machining process includes milling, drilling, turning, planing, etc. The machining process requires a high degree of precision and the scrap rate cannot be too high. The machining requirements of each part are different, and the key parts, such as the surface of the mold, require high precision and high surface quality.
Assembly
After machining, each part should be assembled according to the assembly drawing. For some relatively large size molds, assembly requires the use of cranes and other equipment to assist, assembly, pay attention to the quality of each connection and gap.
system of values
After the assembly is completed, it is necessary to carry out a trial mold and debugging. The trial mold needs to be based on auto parts information using different processes to ensure that the final mold to adapt to the needs of auto parts. If there is any problem during the trial molding process, it needs to be adjusted until the expected result is achieved.
Mold maintenance
Auto parts molds are frequently used, long-term use will lead to mold parts damage, wear and tear, need to be maintained. Maintenance includes cleaning, oiling, replacing parts, etc. to ensure the condition of the mold and prolong its service life.
Auto Parts Mold Maintenance Knowledge
The first level of maintenance of auto parts mold refers to the operator in the production of molds and daily maintenance, the main content for the cleaning, lubrication and inspection.
Install the mold when the maintenance of the mold before installing the upper and lower surfaces of the mold to wipe, to ensure that the mold mounting surface and the press table surface is not subjected to pressure injuries and the mold in the production of the upper and lower mounting surface of the parallelism. After the mold is installed, the mold will be opened, the mold parts clean, especially the guiding mechanism, for the surface parts of the mold, the shape of the surface clean to ensure the quality of the parts. Lubricate the sliding parts of the mold and apply grease. Check all parts of the mold, especially the safety parts. Such as: safety side pins, safety screws, side guards, punching waste path.
Maintenance in the production of the production of the corresponding part of the mold regularly coated with oil. Such as: stretching mold pressure ring, rounded corners; trimming die cutter parts; flanging knife block part and so on. Regularly trimming punching die of small holes in the waste channel to clean up the waste. After the production of maintenance after the end of production to carry out a comprehensive inspection of the mold. Mold for a comprehensive cleaning wipe to ensure the cleanliness of the mold. Clean the waste in the mold to ensure that there is no waste in the waste box. Feedback the use status of the mold and the condition after use to the mold summons truthfully. The secondary maintenance of the mold refers to the regular and systematic maintenance of the mold which is formulated according to the technical status and complexity of the mold. This maintenance work is completed by the mold repair personnel, and according to the maintenance situation to make a good record. The following is a description of the requirements and methods of secondary maintenance for different parts:
Drawing mold convex mold, concave mold: drawing mold convex, concave mold is the main problem of pulling the hair and type surface of the pit, the main maintenance of the mold's rounded corners of the hair parts to be polished. If there is a crater, the mold should be welded, and then repair.
Guide parts (guide pillar, guide sleeve and guide plate, etc.): Mold in the work of the phenomenon of pull marks. Produce and the main reason is dirty lubricant and guide clearance bias. Guide parts to take the pull mark with oil stone to push the smooth polishing method to eliminate. Trimming knife edge: mold in the use of the process of knife edge part easy to collapse and edge collapse phenomenon. At this time to the mold damage to the edge of the welding repair.
Spring and other elastic parts: In the process of use, the spring is one of the most easily damaged parts of the mold, usually fracture and deformation phenomenon. Take the approach is to replace, but the replacement process must pay attention to the specifications and models of the spring, spring specifications through the color, outside diameter and length of the three items to determine, only in the case of these three are the same can be replaced. Punch, punch set: molds used on the punch, punch set most of the standard parts, molds in the use of the process of the punch is easy to break, bending and chewing bad phenomenon. Punching sleeve is generally chewed bad. Damage to the punch and punch sleeve are generally replaced with parts of the same specifications. The parameters of the punch mainly include the size of the working part, the size of the mounting part, the length size and so on.
Fastening parts:Check whether the fastening parts are loose or damaged. The way to take is to find the same specifications of the parts to be replaced. Pressing and unloading parts: Pressing parts such as pressure plate, Yuli rubber, etc., unloading parts such as unloading plate, pneumatic top material device, etc.. Maintenance check each part of the assembly relationship and damage to the damaged part of the repair. Pneumatic ejector check for air leakage, and take measures for the specific situation. If the air tube is damaged, replace it.
Safety Precautions for Auto Parts Mold
Do not overload the use of molds
The design life of the mold is limited, it is strictly prohibited to exceed the rated life of the use of molds, otherwise it will lead to damage to the mold or endanger the safety of the operator.
Strictly comply with the operating procedures
When operating the auto parts mold, it must be operated in strict accordance with the operating procedures. Any operation not in accordance with the procedures may lead to damage to the mold or injury to the operator.
High-Quality Customized Services
Any maintenance and repair requires professional personnel to operate. The operator should not repair the auto parts molds privately, but should contact the professional maintenance personnel to deal with it.
Wearing work equipment
When operating the auto parts mold, must wear suitable work clothes, including gloves, safety helmet, goggles, etc.. Only in this way can effectively reduce the risk of injury to the operator.
Safe Operation Procedures of Auto Parts Mold
Mold loading and unloading operation: When the mold loading and unloading operation, must meet the construction safety conditions to ensure the stability and safety of the mold loading and unloading process.
Mold cleaning: Before cleaning, you must understand the basic methods and precautions for cleaning the mold, and select the appropriate cleaning tools and cleaning solution according to the use of the mold and parts, and remove all kinds of stains or oxides on the mold.
Mold maintenance: Mold maintenance must be done before the maintenance plan and safety and technical analysis to determine the maintenance methods and tools to ensure the quality of maintenance and repair.
Mold Storage: Molds must be properly stored in accordance with specified methods to avoid the risk of corrosion or secondary damage.
Sales and use: The molds sold must be provided with instruction manuals to ensure that the user can properly use and maintain the molds.
When choosing auto parts mold, you need to consider several factors. First is the product structure, different auto parts have different structure, including shape, size, thickness and so on. Therefore, when choosing a mold, you need to choose according to the structural characteristics of the auto parts you need to manufacture.
When selecting the mold, the nature and thickness of the material used, as well as the requirements of production batch and production efficiency need to be considered. The life and maintainability of the mold also need to be considered to ensure that the mold can meet the production requirements and durable.
A 3D flexible mold has many advantages over a traditional stamping mold. Firstly, it can quickly adapt to the manufacturing needs of different models; secondly, it can improve production efficiency and reduce the time and cost of replacing the mold; finally, it can improve the service life of the mold and reduce maintenance costs.
The use scene of 3D flexible mold is very wide, and it can be applied to the manufacture of various auto parts. For example, it can be applied to the manufacture of automobile door panels, engine hoods, wing panels and other accessories. In addition, it can also be applied to the manufacture of other types of stamping parts, such as metal plates and plastic parts.
Our factory
Taizhou Huangyan JMJT Mould Co., Ltd. established at 2012, located at Huangyan Town, TaiZhou City, Zhejiang Province China, is a profession GRP SMC/BMC/GMT/LFT(Thermoset plastic)compression molding/hot press mold manufacturer, focus on the design and manufacture of SMC/BMC sanitary ware mold, SMC/GMT automobile exterior decoration mold and other composite materials.
Certificate
FAQ
Q: What is the best material for injection molding auto parts?
• Nylon is mainly used in automotive engines and engine peripheral parts, etc.
• PBT is widely used in the production of automotive parts such as bumpers, carburetor components, fenders, spoilers, instrument panels, car ignition, gas pedal, clutch pedals, etc.
• POM is very suitable for manufacturing automotive pumps, carburetor parts, fuel lines, power valves, universal joint bearings, motor gears, cranks, handles, instrument panels, car window lifters, electric switches, seat belts buckles, etc.
• PC is mainly used in automotive parts such as exterior and interior trim parts, dashboard surroundings, antifreeze plates, door handles, underflow plates, brackets, steering column sheathing, decorative plates, air conditioning system parts, lamp parts, and other automotive parts.
Q: What is the common steel for auto parts molds?
Q: What factors affect the price of auto parts molds?
Q: What is the lead time for an auto part mold?
Q: Why is it necessary to make a prototyping mold for auto parts?
Q: Should I use injection molding for automotive prototypes?
Q: What is an auto parts mold?
Q: What are the main types of auto parts molds?
Q: What are the materials usually used to make auto parts molds?
Q: Why are auto parts molds so important?
Q: How to choose a suitable auto parts mold?
Q: What are the main considerations in mold design?
Q: How to maintain auto parts molds?
Q: How to determine the life of the mold?
Q: What are the common problems in the mold manufacturing process?
Q: How to reduce errors in the mold manufacturing process?
Q: How to control the manufacturing cost of auto parts molds?
Q: What is the role of molds in production?
Q: What type of mold may best be used for molding an automotive bumper?
Q: What are car Moulds made of?
We're professional auto parts mould manufacturers in China, specialized in providing high quality customized service. If you're going to buy high-grade auto parts mould made in China, welcome to get quotation from our factory. For price consultation, contact us.
Auto Parts Mould, SMC Car Bumper Mold, Vehicle Parts Mould