SIKAIDA Automotive Interior and Exterior Injection Molds are a general term for precision and complex molds customized for the production of automotive interior and exterior parts. They are tailored to the material, surface finish, and process requirements of the components, and their technical level directly determines the perceived quality and manufacturing efficiency of the entire vehicle.

Automotive Interior and Exterior Injection Molds Classification:

1. Interior Injection Molds

- Instrument Panel Molds: Adapted to integrated design, employing mold flow analysis technology and optimized hot runner systems to avoid molding defects.

- Door Panel Molds: Supports two-color, low-pressure injection molding processes, featuring a precision core-pulling mechanism, and capable of processing various textured and matte surfaces.

- Pillar Trim Molds: Requires strict surface finishes; high-gloss versions use mirror steel and professional polishing, while textured versions achieve uniform texture through laser etching and other processes.

- Other Interior Molds: Covers components such as the secondary instrument panel and air vents; air vent molds showcase expertise in complex mechanism design.

2. Exterior Injection Molds

- Bumper Molds: Some exceeding 2 meters in length, employing internal parting surface technology and a hot runner system to meet collision safety regulations.

- Grille Molds: Emphasizing structural precision and texture consistency to ensure assembly accuracy and enhance vehicle styling.

- Spoiler Molds: Adapted to aerodynamic design, using high-strength materials and precision machining to ensure high-speed stability.

- Other Exterior Molds: Including anti-scratch strips, emphasizing durability and environmental adaptability to handle harsh working conditions.

3. Special Series Injection Molds

In response to automotive industry trends, SIKAIDA Automotive Interior and Exterior Injection Molds develop special series molds to meet personalized and functional needs:

- New Energy Vehicle Molds: Adapted to the minimalist and technological style of electric vehicles, employing micro-foaming technology to achieve weight reduction and dimensional stability.

- Commercial Vehicle and Special Vehicle Molds: Emphasizing durability and functionality, using highly wear-resistant materials and featuring a robust structure.

- Automotive Lighting System Molds: Producing transparent/high-gloss components, ensuring optical performance and assembly precision.

- Automotive Modification and Personalization Molds: Providing customized modification parts molds to meet personalized upgrade needs.

Core Advantages

1. Multi-material and Multi-process Integration

Automotive Interior and Exterior Injection Molds are compatible with a variety of materials and utilize advanced processes to meet lightweight and personalized requirements.

2. Precision Manufacturing

The factory is equipped with high-precision equipment and experienced technicians, achieving micron-level processing accuracy.

3. Strict Quality Control

End-to-end quality control ensures molds meet or even exceed customer expectations.

4. One-Stop Service

Covering the entire process, shortening mass production cycles and reducing project risks.

SIKAIDA is a leading Chinese manufacturer and supplier of automotive stamping dies, leveraging advanced technology and extensive experience to produce a full range of high-quality, high-precision stamping dies. Automotive stamping dies are core equipment for forming automotive sheet metal. They use presses to plastically deform sheet metal to obtain the parts needed for the car body. Dies are mainly classified according to stamping processes and application scenarios to meet the diverse needs of automotive production.

Classification by Stamping Process 

Automotive stamping requires multiple collaborative processes, each with its own dedicated die. SIKAIDA Automotive Stamping Dies cover all core processes in car body forming, boasting mature technology and stable performance, key to improving production efficiency and product quality.

1. Drawing Dies 

SIKAIDA drawing dies employ precision surface contouring and reasonable blank holder force control to avoid cracking and wrinkling. They are widely used in large exterior body panels such as side panels and fenders. Using high-strength, wear-resistant materials and advanced factory processing equipment, they ensure high precision and long-term stable operation.

2. Trimming Die

SIKAIDA trimming dies utilize high-precision cutting edges and a well-designed waste material guideway to ensure a smooth, burr-free cut and smooth waste discharge. Primarily used for parts such as engine hoods and door panels, they are optimized through CAE simulation to prevent deformation and ensure dimensional consistency.

3. Punching Die

SIKAIDA punching dies are highly accurate and wear-resistant, made of high-quality tool steel to guarantee hole precision. Available in single-station and multi-station versions, they are widely used in the processing of chassis parts, body panels, and interior structural components.

4. Flanging Die

SIKAIDA flanging dies employ a rational design and precise springback compensation technology to control springback deformation, ensuring smooth edges and precise fit. Primarily used for areas such as door frames and trunk lid edges.

5. Shaping Die

SIKAIDA shaping dies utilize precision contouring and micro-adjustment structures to specifically eliminate wrinkles and springback issues. Used for shaping outer body panels and high-precision structural components.

6. Progressive Dies and Transfer Dies

SIKAIDA's progressive dies and transfer dies enable multiple processes to be completed on a single press, significantly improving efficiency and reducing costs. Progressive dies are suitable for mass production of small to medium-sized precision stamped parts, while transfer dies are suitable for forming large and complex body structural parts, and are widely used in automated production lines.

Classification by Application Scenarios

1. Body Panel Dies

Body panel dies are designed for exterior components such as four doors, two hoods, side panels, and fenders. They offer extremely high surface accuracy and smoothness, ensuring that stamped parts are free of scratches and wrinkles, meeting welding and painting requirements.

2. Body Structural Component Dies

Body structural component dies are used for core safety components such as A/B/C pillars and longitudinal beams. They utilize high-strength materials and a rational structure to withstand significant stamping pressure, ensuring forming accuracy and structural stability, laying the foundation for body assembly.

3. Chassis System Molds

Chassis system molds are suitable for components such as control arms and subframes. Designed according to stress characteristics, they are highly rigid and wear-resistant, ensuring stable part performance. They are also compatible with automated equipment to meet mass production needs.

4. New Energy Vehicle Molds

New energy vehicle molds are specifically designed for lightweight materials such as aluminum alloys. They are suitable for parts such as battery pack housings, optimizing solutions to springback and cracking issues to ensure molding quality.

5. Commercial Vehicle and Truck Molds

Commercial vehicle and truck molds are used for large parts such as cab covers and crossbeams. These parts are large, complex in structure, and highly rigid. Utilizing wear-resistant materials and optimized design, they can operate stably for extended periods under harsh conditions, meeting durability requirements.

6. Seat and Interior Structural Component Molds

Seat and interior structural component molds are designed for components such as seat frames and slide rails. Employing precision positioning and forming technology, they ensure accuracy and assemblability. The surfaces are finely polished, compatible with automated production lines, improving efficiency and reducing costs.

Core Advantages

As a professional manufacturer and supplier of automotive stamping dies in China, SIKAIDA possesses a complete R&D, production, and testing system, equipped with advanced equipment and technology, and can provide customized solutions. With high quality and professional services, it has won the recognition of manufacturers worldwide.

Mold bases are the core structure of molds, playing crucial roles in fixing molding components and guiding mold opening and closing. SIKAIDA, as a professional mold base manufacturer, provides high-precision, high-rigidity products to global customers through advanced technology and strict quality control.

Classification by Mold Type

1. Injection Mold Bases

- Two-plate mold base: Simple structure, high reliability, suitable for high-volume conventional injection molding products such as daily necessities and ordinary plastic shells, enabling rapid mass production.

- Three-plate mold base: Features an ejector plate for automatic gate removal, suitable for high-precision products such as mobile phone shells and precision home appliance components.

- Hot runner mold base: Reserves space for hot runner installation and wiring channels, suitable for high-efficiency molding needs such as large home appliance shells, and can be customized.

2. Stamping Mold Bases

- Rear guide pillar mold base: Wide operating surface, suitable for ordinary hardware stamping parts.

- Middle guide pillar mold base: High guiding accuracy, suitable for precision electronic component stamping.

- Four-Pillar Die Set (Rolling Guide): Combining rigidity and precision, suitable for large precision stamping dies such as automotive body panels.

3. Die Casting Die Sets

Structural injection mold sets, enhanced heat resistance and rigidity, made of high-temperature resistant alloy materials, suitable for metal die casting applications such as automotive parts and hardware accessories.

Classification by Guiding Method:

1. Sliding Guide Die Set

Guide pillars and bushings utilize sliding friction, simple structure, and moderate cost. As a professional supplier, SIKAIDA's series of products offers stable quality and is suitable for low-to-medium speed, general precision everyday consumer molds.

2. Rolling Guide Die Set

Achieves rolling friction through steel ball retainers, offering high precision and long lifespan, suitable for high-speed stamping, precision electronic molds, and other high-end applications. A core strength product of SIKAIDA.

Classification by Standardization System

1. Standard Die Sets

- National Standard (GB/T) Die Sets: Complete specifications, strong versatility, meeting the needs of conventional domestic molds.

- DME Mold Base: North American mainstream standard, highly interchangeable, suitable for the North American market and export needs.

- HASCO Mold Base: European standard, modular design, outstanding precision.

- FUTABA Mold Base: Japanese standard, high precision, fast delivery, suitable for high-end molds in Asia.

2. Non-standard Custom Mold Bases 

For personalized needs such as oversized dimensions and special frame openings, SIKAIDA, as a professional manufacturer, provides integrated customization services from design to production, relying on its R&D team.

SIKAIDA mold bases cover three major types: injection molding, stamping, and die casting, accommodating sliding/rolling guides and standard/non-standard specifications, adapting to the needs of multiple industries. As a reliable supplier and manufacturer in China, it provides cost-effective mold base solutions to global customers with advanced equipment and strict quality control.

Graphite is a strategic non-metallic mineral, possessing advantages such as high temperature resistance (above 3000℃ in an inert atmosphere), electrical and thermal conductivity, lubrication, and chemical stability, stemming from the hexagonal layered structure of carbon atoms. As a professional graphite manufacturer in China, SIKAIDA has a complete production chain covering various graphite products.

Main Classifications of Graphite

1. Natural Graphite

Natural graphite is a natural mineral, divided into flake graphite and cryptocrystalline graphite (earthy graphite). It is low in cost, has good lubricity, and is widely used in traditional industries.

1.1 Flake Graphite

Flake graphite has good crystallinity and is flaky. After purification, it has a fixed carbon content of 90%-99%. SIKAIDA selects high-quality raw materials for precision processing, applying it to refractory materials, coatings, lithium battery anodes, and other fields.

1.2 Cryptocrystalline Graphite

Cryptocrystalline graphite (earthy graphite) has a particle size of less than 1 micrometer, exhibiting good adsorption but poor selectivity. SIKAIDA has optimized its processes for applications in casting coatings, carbon brushes, and pencil leads.

2. Synthetic Graphite

Synthetic graphite is made from petroleum coke and other raw materials through multiple complex processes. It boasts high purity and stable performance, primarily used in high-tech fields.

SIKAIDA owns a professional synthetic graphite production plant, strictly controlling every stage of production. The total ash content of its products is ≤0.1%, and it is used in EDM electrodes, high-purity semiconductor components, and photovoltaic ingot casting.

Special Forms and Classifications of Graphite

Special processing techniques allow graphite to form unique forms with more targeted properties. SIKAIDA can provide customized special graphite products based on customer needs.

1. Expanded Graphite and Flexible Graphite

Expanded and flexible graphite are processed from natural flake graphite, possessing high-temperature resistance, corrosion resistance, and excellent sealing properties. SIKAIDA's related products are used in high-end sealing and fireproofing applications.

2. Colloidal Graphite and Conductive Coatings

Colloidal graphite and conductive coatings are made from ultrafine graphite powder. They are easy to apply, conductive, and lubricating. SIKAIDA products are used in wire drawing lubrication, mold release, and antistatic applications.

As a professional graphite supplier and manufacturer in China, SIKAIDA has a complete production system and can provide a variety of high-quality graphite products and one-stop solutions from selection to customization.