PRODUCTS

DongGuan TongToo Aluminum Products Co., Ltd. is a company specializing in aluminum alloy CNC precision machining, injection molding, mold development, and metal parts manufacturing. It has obtained ISO 9001 international certification and strictly implements the 6S management system. With the introduction of German imported equipment, its products are exported to more than 20 countries including Europe, America, and Southeast Asia, with an average annual delivery volume of more than 5 million pieces. With exquisite craftsmanship, fast response, and full-process quality inspection as the core, we provide customized ODM/OEM solutions for global customers and strive to become a trusted strategic partner in the field of international industrial manufacturing.

Product Introduction

Aluminum alloy heat sink is an integrated heat dissipation solution developed for medium and high frequency transformers and power electronic equipment. It adopts ADC12 die-cast aluminum alloy or 6063 extruded aluminum profile, and is manufactured by precision mold forming + CNC finishing process. It has ultra-low thermal resistance of <0.5℃/W, supports full-scenario heat dissipation requirements from natural convection to liquid cooling, and meets the IEC 60076-7 temperature rise standard.

Product Parameter

Product Name Aluminum Alloy Transformer Heat Sink

Product Material 6061/6063/ADC12

Processing Technology: Die Extrusion/High Pressure Die Casting/CNC Processing

Surface Treatment: Anodizing/Hard Oxidation/Laser Engraving

Product Features: Modular structure, supports personalized opening, size, LOGO customization

Product Feature And Application

Efficient thermal management design

Fin density 15-25 pieces/inch (extruded profile) or 3D curved heat dissipation teeth (die casting)

After CFD fluid simulation optimization, the heat dissipation area is increased by 50% vs traditional structure

Dual process selection

High-pressure die casting (DC≤800T): suitable for complex special-shaped structures, minimum wall thickness 2.5mm

Mold extrusion molding: continuous production of ultra-long heat dissipation teeth (up to 6m), consistency ±0.1mm

Material performance advantages

Die casting: ADC12 aluminum alloy (thermal conductivity 96W/m·K)

Extrusion: 6063-T5 aluminum alloy (thermal conductivity 201W/m·K)

Structural reinforcement characteristics

Die casting version integrates mounting boss and lifting position, tensile strength ≥220MPa

Extruded profiles can be spliced ​​with multiple cavities, with a load-bearing capacity of 50kg/m

Surface treatment solution

Anodizing (thickness 10-25μm) improves corrosion resistance

Optional chemical nickel plating (suitable for high-frequency transformer anti-interference)

Application scenarios:

New energy power equipment

Photovoltaic inverter transformer cooling group

Electric vehicle charging pile liquid cooling substrate

Industrial electrical system

High frequency switching power supply cooling module

Explosion-proof cooling shell of mining transformer

Special field

Salt spray protection radiator for ship transformer

Lightweight cooling system for aerospace equipment

Product Details

Redefine tool reliability with precision manufacturing-we provide full-process CNC intelligent manufacturing services from aluminum ingots to finished radiators, and ensure that each product meets the strict industrial standards through the digital process chain (CAD/CAM/CAE), helping tool manufacturers to achieve high-end product upgrades.

Product Qualification

Environmental certification:

RoHS certification (lead-free, cadmium-free and other hazardous substances)

REACH (EU Chemical Safety Standard)

Quality management system:

ISO 9001:2016/ISO 9001:2015 (production process quality control)

Deliver, Shipping And Serving

Professional ODM&OEM manufacturer, with more than 20 years of precision processing experience, based on customer needs, providing a full range of customized services.

Standard packaging: copy paper + carton

Customized packaging: blister tray/PEP + wooden box

Packing solution: pearl cotton + carton/wooden box.

FAQ

Q1: How to choose between die casting and extrusion process?

Choose die casting: complex three-dimensional structure/local thickening/embedded parts

Choose extrusion: long linear heat dissipation teeth/low-cost mass production

Q2: How long does it take to customize an aluminum alloy transformer radiator?

A: The customization cycle depends on the complexity of the design, whether mold opening is required (such as extrusion mold/die-casting mold), production quantity and surface treatment process. Usually:

CNC prototype proofing: 3-7 working days (providing 3D drawings).

Small batch customization (no mold): 7-15 working days (based on CNC processing).

Involving extrusion mold development: mold making time (usually 2-4 weeks) + production time.

Middle and large batch production: high efficiency after the mold/process is finalized. We provide quick response services and can communicate specific urgent needs.

Q3: How to solve the deformation problem of large-size radiators?

Adopt:

Extrusion profile: online quenching + stretch straightening process

Die casting: precise control of mold temperature machine (±2℃)

Q4: How to calculate the minimum order quantity and mold cost?

A: Extrusion mold: ￥8000-20000 (according to the complexity of the section)

Die casting mold: ￥30000 (calculated by tonnage)

MOQ: extrusion 500kg/single specification, die casting 100 pieces

Q5 What do I need to provide to start customization?

A: The more detailed the information you provide, the more accurate and efficient the customization. Ideally, please provide:

3D model file (STEP, IGS, X_T and other formats are best).

Clear 2D engineering drawings (marking key dimensions, tolerances, opening requirements, surface treatment, etc.).

Written technical requirements: including but not limited to material requirements, protection level (IPXX), heat dissipation requirements, EMC requirements, internal installation requirements (guide rail/copper column position), lock/hinge type, surface treatment color and process, certification requirements, etc.

If there is only a concept or sketch, our engineering team can provide design support and jointly optimize the solution.

Q6: Can it meet the weather resistance requirements of more than 10 years?

A: Through anti-UV anodizing/hard oxidation treatment, it has passed 3000 hours of neutral salt spray test, UV aging test, and will not fade in 10 years.

Company Introduction

Our 5000㎡ workshop is equipped with hundreds of production equipment, including German Hammer five-axis CNC machining center (machining accuracy up to 0.002 MM), turning and milling composite CNC lathe, CNC lathe, milling machine, lathe, grinder, etc.; as well as more than a dozen various inspection equipment (including German Cai's three-dimensional, with inspection accuracy up to 0.001MM), and the machining capacity has reached the international advanced level. The Tengtu team has the most professional mold design and CNC machining knowledge. We will work closely with you during the prototyping, production, assembly, inspection, packaging and final delivery process to exceed your expectations.

Our team uses CNC machining to manufacture high-performance parts that support industries such as aerospace, automotive, military, medical, machinery, electronics, and communications. We are committed to innovation and manufacture and assemble important components with excellent precision, strict tolerances and high-quality materials. Over the past 11 years, Tengtu has established a high reputation for efficiency, quality, reliability and on-time delivery.