Precise Mounting Hole Design for Vehicle Chassis Shell

• Condition: New
• Certification: CE, RoHS, GS, ISO9001
• Standard: DIN, ASTM, GOST, GB, JIS, ANSI, BS
• Model NO.: F4
• Customized: Customized
• Material: Alloy
• Application: Metal Casting Machinery
• Product Name: Automotive Transmission Housing Die Casting
• Primary Material: Aluminum Alloys: ADC12, A380, A319
• Key Dimensions: Length: 510 mm
• Tolerance Standards: Bearing Bore Coaxiality: ≤ 0.02 mm
• Transport Package: Custom Solutions Tailored to Your Exact Requiremen
• Specification: Custom Solutions Tailored to Your Exact Requiremen
• Trademark: Guangwei
• Origin: China
• HS Code: 8571
• Production Capacity: 100000PCS/Year

Product Description

Product Description

Transmission housing

The transmission housing serves as a robust and protective enclosure for gears, shafts, bearings, and other critical components within transmission systems. Engineered from high-strength materials such as cast iron, aluminum alloys, or reinforced composites, it ensures structural integrity, minimizes vibration, and shields internal parts from dust, moisture, and external impacts. Designed to support precise alignment and efficient lubrication, the housing contributes directly to smooth power transfer, reduced noise, and extended service life in automotive, industrial, and heavy machinery applications.

With advanced manufacturing techniques including precision casting, CNC machining, and integrated cooling channels, modern transmission housings offer lightweight yet durable solutions that enhance thermal management and operational stability. Customizable in design and compatible with various transmission types—from manual and automatic gearboxes to industrial reducers—these housings are essential for maintaining performance under high torque, high-speed, and harsh environmental conditions. By combining protection, reliability, and engineering adaptability, transmission housings play a foundational role in ensuring the efficiency and durability of power transmission systems across industries.

Product Name	Automotive Transmission Housing Die Casting
Primary Material	Aluminum Alloys: ADC12, A380, A319 Zinc Aluminum Alloy: Zamak 5 (for lightweight / low-load scenarios) *All materials comply with GB/T 15115, JIS H5302 standards*
Manufacturing Process	Cold Chamber High-Pressure Die Casting → Deburring → Heat Treatment (Aluminum T6 / Zinc-Aluminum Aging) → CNC Precision Machining (Including 5-Axis) → Air Tightness Testing → Surface Treatment
Key Dimensions	Length: 510 mm Width: 390 mm Height: 235 mm Wall Thickness: 3.5–5 mm
Weight	Aluminum Alloy Version: Approx. 8–10 kg Zinc Aluminum Alloy Version: Approx. 12–15 kg Specific weight calculated based on product model and material density
Tolerance Standards	Bearing Bore Coaxiality: ≤ 0.02 mm Flatness: ≤ 0.03 mm Positional Tolerance: ≤ 0.05 mm
Mechanical Properties	Aluminum Alloy: • Tensile Strength: ≥ 240 MPa • Yield Strength: ≥ 180 MPa • Elongation: ≥ 3% • Hardness: HB 80–110 (T6 treated)
Surface Treatment	Pre-treatment: Sandblasting, Shot Blasting (Ra 3.2–6.3 μm) Protective Treatment: Anodizing, Electrophoresis, Powder Coating, Passivation Sealing Treatment: Vacuum Impregnation (meets AMS 2301)
Surface Finishing	Optional Schemes: 1. Sealing Surface / Bearing Mounting Surface: Fine Milling + Grinding (Ra ≤ 0.8–1.6 μm) 2. Threaded Holes: Tapped and deburred, first two threads defect-free 3. Internal Cavity Cleanliness: ≤ 15 mg (ISO 16232)

Main products

Company Profile

Dongguan Guangwei Communication Technology Co., Ltd.
Professional Precision Die-Casting Service Provider · Core Component Supplier for Optical Communication Dongguan Guangwei Communication Technology Co., Ltd. is a powerful enterprise deeply engaged in the field of precision metal manufacturing. It focuses on providing high-reliability component solutions for industries such as communications, data centers, and electronics. With full-chain service capabilities and strict precision control, it has become a trusted partner of global leading enterprises.

Core Business Segments · Focus on Three Core Areas

Based on profound industry experience, strong R&D capabilities and advanced production equipment,
Guangwei always takes "high quality, high precision, and cost-effectiveness" as the core, continuously
providing customized precision manufacturing solutions for global customers in fields such as
communications, data centers, and automotive electronics, and working with customers to create new industry value.

Company Advantage

Certifications

Exhibition

FAQ

1. Who is GuangWei Die Casting?

GuangWei Communication Technology Co., Ltd. is a professional manufacturer specializing in high-precision die casting and metal component production. Located in Dongguan, China, we provide precision zinc, aluminum, and magnesium die casting components for telecommunications, electronics, automotive, industrial automation, medical devices, consumer hardware, and more. We are certified to IATF16949, ISO9001, and ISO14001.

2. What industries do you supply to?

We serve a wide range of industries, including:

* Telecommunications and 5G

* Automotive and EV systems

* Industrial control and automation

* Smart home and wearable devices

* Medical instruments and laboratory equipment

* Computing, AI, servers, and networking devices

* Consumer electronics

Our customers include industry leaders such as TE Connectivity, Luxshare, Huawei, and Cisco.

 

3. Do you manufacture in-house?

Yes. We carry out all major manufacturing operations in-house, including:

* Mold design and fabrication

* Die casting

* CNC machining

* Polishing and deburring

* Surface finishing

* Assembly and inspection

This ensures stable quality, cost control, and fast delivery.