Professional aluminium high pressure die casting for cavity filter housing. Superior quality, tight tolerance, reliable for communication components.

High Pressure Die Cast Aluminum Cavity Filter

XH-60

Professional aluminium high pressure die casting for cavity filter housing. Superior quality, tight tolerance, reliable for communication components.

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Professional aluminium high pressure die casting for cavity filter housing. Superior quality, tight tolerance, reliable for communication components.
Brand Name:XingHang
Model Number:XH-60
Certification:ISO9001/TS16949/RoHS/ISO14001
Application:Industrial Applications

· Product Overview

Our aluminum cavity filters are manufactured via high-pressure die casting & 5-axis CNC finishing. Optimized RF cavity design delivers outstanding signal filtering, strong electromagnetic shielding and stable performance. Custom sizes, surface treatments and OEM service are available for telecom, 5G and radio communication equipment.

Cavity Filter (ADC12 Die-Cast Aluminum Housing) Technical Parameter Table

1. Custom Mold Development

According to customer’s cavity filter drawing, develop customized die-casting mold, finish cavity structure, positioning hole and assembly groove design to ensure one-piece forming of filter housing.

2. High Pressure Aluminum Die Casting

Melt ADC12 aluminum alloy, inject molten aluminum into closed mold under high pressure, form integrated filter cavity shell at one time, ensure dense internal structure and excellent electromagnetic shielding performance.

3. Post Casting Rough Processing

Take castings out after cooling, remove gate, runner and flash burrs by trimming machine; carry out shot blasting to clean surface oxide layer and improve adhesion for later surface treatment.

4. 5-Axis CNC Precision Machining

Adopt 5-axis CNC machining for key surfaces, threaded holes, tuning screw holes and RF cavity resonant tank. Control machining tolerance within ±0.005mm to guarantee RF signal transmission accuracy.

5. Professional Surface Finishing

Conduct anodizing or chemical passivation treatment on aluminum housing, boost corrosion resistance, oxidation resistance and surface insulation; reduce signal interference caused by metal oxidation.

6. RF Debugging & Electrical Performance Test

Install resonant rod, tuning screw and internal accessories, adjust cavity frequency; complete full performance testing: insertion loss, return loss, isolation, power handling and shielding effectiveness.

7. Full Dimension & Appearance Inspection

Carry out dimensional inspection via CMM coordinate measuring machine, check surface scratch, deformation and coating defect; screen unqualified products to guarantee batch consistency.

8. Clean Assembly & Vacuum Packaging

Assemble matched connectors and sealing parts; clean internal cavity to avoid metal debris affecting signal; use moisture-proof vacuum package for finished cavity filters.

9. Delivery & Bulk Order Arrangement

Classify products by specifications, attach inspection report, arrange bulk shipment and support customized packaging for OEM customers.

Application Fields & Scenarios of Die Cast Aluminum Cavity Filters

5G / 4G Wireless Communication Base Stations
Radio & Microwave RF Communication Equipment
Satellite Communication & Aerospace Devices
Public Security Radio Signal System
Railway & Intelligent Traffic Signal Equipment
Industrial RF Test & Measurement Instruments
Broadcast TV & Media Transmitting Stations
IoT Smart Wireless Terminal Hardware

FAQ | High Pressure Die Cast Aluminum Cavity Filter

Q1: What raw material is adopted for cavity filters?

A: We adopt ADC12 Aluminum Alloy for high pressure die casting. It balances casting performance, shielding property and production cost for mass manufacturing.

Q2: What manufacturing process do you use?

A: High pressure die casting + post precision CNC machining (milling, drilling, tapping) to meet strict dimensional and flatness requirements.

Q3: What machining tolerance can you guarantee?

A: Overall dimension tolerance: ±0.03mm~±0.08mm; hole position tolerance: ±0.02mm~±0.05mm. Tighter tolerance can be negotiated for high-frequency RF demands.

Q4: What surface treatments are available for cavity filters?

A: Sandblasting, anodizing, conductive coating, electrophoretic coating, laser engraving. Conductive treatment is commonly used to optimize electromagnetic shielding performance.

Q5: Can conductive coating improve RF performance?

A: Yes. Conductive surface treatment reduces signal loss, enhances electromagnetic shielding effect and ensures stable filter performance under high frequency.

Q6: Can you customize cavity filters based on customer drawings or samples?

A: Sure. We support OEM & ODM customization. Accept drawing formats including STEP, IGES, DWG, PDF. Structure, cavity layout and hole positions can be customized.

Q7: What is your MOQ?

A: Small trial orders for prototype testing are acceptable. Unit price will be more favorable for mass production.

Q8: How about the production lead time?

A: Samples: 5–10 working days; Mass production: 10–20 working days, depending on order quantity.

Q9: What testing equipment do you have for quality control?

A: CMM, micrometer, calipers, height gauge, conductivity tester. Dimensional inspection reports can be provided on request.

Q10: What application scenarios are die cast aluminum cavity filters suitable for?

A: Widely used in 4G/5G base stations, RF communication equipment, microwave communication systems, remote radio units and other wireless communication devices.

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