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Heat Sink CNC Machining
Heat Sink CNC Machining
Full range of CNC machined heat sinks for electronics cooling, including skived fin, bonded fin and machined-from-solid designs, produced to your thermal and mechanical requirements.
Product Overview
Thermal Solutions Machined to Specification
Heat sink performance depends on material, fin geometry, base flatness and the thermal interface with the heat source. We machine all four to specification, reviewing your thermal load to recommend a fin configuration that meets the target temperature rise at a competitive cost.
Zhigao is a manufacturer of heat sink cnc machining serving customers in Europe, North America and Asia. Every order is produced to your drawing and inspected against your specification before shipment, with full documentation supplied.
Specifications
| Material | Aluminium 6061-T6, 6063-T5, 6062 and 1050; copper heat sinks also available |
| Heat Sink Type | Skived fin, bonded fin, machined from solid, extruded and forged heat sinks |
| Process | CNC milling, skiving, sawing, drilling, tapping, countersinking and surface treatment |
| Minimum Fin Thickness | 0.3mm for skived fins; 0.8mm for machined fins |
| Tolerance | +/-0.02mm for machined features; +/-0.05mm for fin spacing |
| Surface Finish | Natural anodizing, black anodizing, sand blasting, brushing and polishing |
| Base Flatness | 0.05mm per 100mm for good thermal contact |
| Size Range | Up to 1200 x 600 x 200mm per part |
| Thermal Performance | Optimised fin height, fin spacing and base thickness based on your thermal load |
| Drawing Format | 2D PDF / DWG / DXF; 3D STEP / STP / IGS |
| Application | Power supplies, motor drives, inverters, LED modules, servers, telecom equipment and audio amplifiers |
Specifications are typical values for this process family. Final values are confirmed against your drawing during the engineering review.
Manufacturing Capability
In-house Machining
3-axis, 4-axis and 5-axis CNC machining centres with dedicated tooling and fixtures.
Controlled Tolerances
Dimensional accuracy verified at first article, in process and before shipment.
Surface Finishing
Anodizing, brushing, polishing, powder coating, laser engraving and silkscreen printing.
Prototype to Volume
From a single sample part through to mass production runs with consistent quality.
Quality Control
Order Process
- Send Your DrawingShare 2D drawings or 3D models along with material, finish and quantity requirements.
- Engineering ReviewOur engineers review manufacturability and recommend the most cost effective process route.
- QuotationA detailed quotation covering unit price, tooling, lead time and packing is issued.
- SamplingSample parts are produced and submitted for your dimensional and appearance approval.
- Mass ProductionProduction begins after sample approval with in-process quality control at every stage.
- QC and ShippingFinal inspection, protective packing and shipment with full documentation.
Frequently Asked Questions
What is the difference between skived and machined heat sinks?
What is the minimum fin thickness you can achieve?
How do you ensure flatness for good thermal contact?
Can you attach the heat sink to a housing?
What is the lead time?
Do you offer copper heat sinks?
Request a Quotation
Send us your drawing, material and quantity requirements. Our engineering team will respond with a detailed quotation and lead time.
Send Your EnquiryEach component is quoted against the agreed drawing, material, finish and quantity. Samples and production schedules are confirmed for your project. Air, sea and express shipping can be arranged; contact our team to confirm packing, destination and trade terms.
