CNC Deep Hole Drilling – Cross Hole & Complex Structure Machining
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Service Item
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Details
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Technical Parameters
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Delivery Time
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Deep Hole Drilling
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Gun drill, BTA, ejector drill machining
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Hole diameter 3-20mm, depth-diameter ratio 1:10-1:30Precision ±0.02mm, Surface Ra≤0.8μm
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Prototype: 72 hoursMass production: 10-20 days
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Cross Hole Machining
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Multi-axis linkage hole system machining
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Position accuracy ±0.03mmParallelism/perpendicularity 0.02mm
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Prototype: 96 hoursMass production: 12-25 days
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Complex Structure Machining
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3/4/5-axis CNC milling
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Complex surfaces, special-shaped structuresPrecision ±0.005mm
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Prototype: 5-7 daysMass production: 15-30 days
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Stainless Steel Polishing
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Mechanical/electrolytic polishing
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Surface roughness Ra 0.1-0.3μmMirror finish, salt spray test 3-5x improvement
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3-7 days
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Aluminum Alloy Polishing
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Chemical/electrochemical polishing
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High Surface finish，corrosion resistance improvedRa 0.2-0.5μm
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2-5 days
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Quality Inspection
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CMM measurement, roughness testing
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100% full inspection, ISO compliant
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Synchronous with production
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Description
Product Details Page Content
High-Precision Deep Hole & Complex Structure CNC Machining Services
Professional Deep Hole Drilling, Precision Cross Hole Manufacturing
We specialize in providing high-quality CNC customization services for deep holes, cross holes and complex structures, utilizing advanced multi-axis CNC machining technology and professional polishing processes to deliver precision machining solutions for aerospace, automotive manufacturing, precision instruments and other fields.
Core Technical Advantages
Deep Hole Drilling Expertise
- Utilizes professional deep hole drilling technologies including gun drilling, BTA, and ejector drilling
- Machining accuracy up to ±0.02mm, surface roughness Ra≤0.8μm
- Supports deep hole machining with depth-diameter ratios from 1:10 to 1:30
- High-pressure coolant system ensures smooth chip evacuation
Cross Hole Machining Technology
- Multi-axis linkage machining ensures hole system position accuracy
- Parallelism and perpendicularity controlled within 0.02mm
- Professional fixture design reduces machining errors
- Suitable for complex hole systems such as hydraulic valve blocks and fluid systems
Complex Structure Machining
- 5-axis CNC machining centers for complex surface machining
- Supports special-shaped structures, thin-walled parts, micro-precision components
- Machining accuracy ±0.005mm, meeting high-end application requirements
- Advanced tool path optimization improves machining efficiency
Material Processing Capabilities
Stainless Steel Processing
- Precision machining of 304/316 stainless steel
- Mechanical polishing: from rough grinding to mirror polishing
- Electrolytic polishing: enhances corrosion resistance and surface quality
- Surface roughness 可达 Ra 0.1-0.3μm
Aluminum Alloy Processing
- Processing of 6061/7075 aerospace aluminum alloys
- Chemical polishing: efficient processing of complex shapes
- Electrochemical polishing: mirror finish, enhanced protective performance
- Lightweight with high strength, suitable for aerospace applications
Application Fields
Aerospace
- Engine fuel nozzles, hydraulic system components
- Aircraft structural parts, instrument housings
- Turbine blades, combustion chamber components
Automotive Manufacturing
- Deep hole machining of engine blocks and cylinder heads
- Transmission valve bodies, hydraulic control units
- New energy vehicle motor housings
Precision Instruments
- Medical equipment components, optical instrument parts
- Semiconductor equipment, precision molds
- Fluid control valves, sensor housings
Processing Flow
- Technical Evaluation – Professional engineers analyze drawings and develop machining plans
- Process Design – Select appropriate machining methods and tool paths
- Precision Machining – High-precision machining with multi-axis CNC machining centers
- Surface Treatment – Professional polishing processes to enhance surface quality
- Quality Inspection – Comprehensive quality inspection including CMM measurement and roughness testing
- Finished Product Delivery – Packaging and transportation with after-sales technical support
Quality Assurance
- ISO 9001 quality management system certification
- Professional testing equipment: CMM, roughness tester
- 100% full inspection to ensure each part meets requirements
- Comprehensive after-sales service and technical support system
Choose Us, Choose Professionalism
Whether you need deep hole drilling, cross hole manufacturing or complex structure components, we can provide the highest quality CNC machining services. With advanced equipment, a professional technical team and strict quality control, we are committed to providing high-precision, high-efficiency machining solutions for our customers.
