Custom CNC Machined Aluminum Mounting Housing with Precision Bore and Mounting Base
Description
1. Product Overview
Ourcustom CNC machined aluminum mounting housing is a high-precision custom mechanical structural component engineered for industrial machinery and automation systems. Featuring a rigid integrated housing structure, precision center bore, flange mounting base, and threaded positioning holes, this part delivers stable support, accurate component positioning, and durable mechanical performance for rotating and linear mechanical assemblies.
Manufactured via 3/4-axis CNC milling and precision finishing, each aluminum mounting housing maintains consistent dimensional accuracy and excellent surface quality. The blue anodized surface enhances corrosion resistance, wear resistance, and structural stability, making it a reliable long-term solution for high-precision industrial equipment mounting and positioning applications.
Tailored for custom CNC machining services, we support fully customized sizes, bore tolerances, hole positions, and surface treatments to match unique mechanical assembly and equipment upgrade requirements.
2. CNC Machining Service Specifications
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Machining Parameter
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Technical Standard & Capability
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Applicable Materials
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Aluminum 6061-T6, 7075, 6063 (custom material available)
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Machining Process
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3/4-axis CNC milling, precision drilling, tapping, deburring, finishing
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Dimensional Tolerance
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±0.005mm–±0.02mm (critical bore: ±0.005mm; non-critical: ±0.02mm)
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Surface Roughness
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Ra 0.8μm–Ra 3.2μm (custom smooth finish available)
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Surface Treatment
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Blue/black/silver anodizing, sandblasting, polishing, passivation
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Processing Scale
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Prototype custom / small batch / mass production
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Customization Range
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Outer shape, bore diameter, hole spacing, thread specification, mounting structure
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Quality Inspection
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CMM, micrometer, depth gauge, thread gauge, full dimensional inspection report
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Lead Time
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Prototype: 3–5 working days; Batch order: 7–12 working days
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3. Material Performance Analysis
This custom mounting housing adopts Aluminum 6061-T6 as the core material, the most widely used high-performance aluminum alloy for CNC precision machining industrial parts, with outstanding comprehensive mechanical properties and process adaptability.
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Lightweight & High Rigidity: Low density effectively reduces overall equipment load, while maintaining excellent tensile strength and structural rigidity, avoiding deformation during long-term equipment operation.
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Superior Machinability: 6061-T6 aluminum features stable cutting performance, low tool loss, and excellent forming accuracy, perfectly supporting complex cavity milling, precision bore drilling and thread tapping of the housing structure.
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Strong Corrosion Resistance: Combined with hard anodized surface treatment, it greatly improves oxidation resistance, scratch resistance and environmental adaptability, suitable for indoor and mild outdoor industrial working conditions.
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Cost-Effective & Stable: Compared with 7075 aluminum and stainless steel, 6061-T6 balances performance and cost, no residual stress after processing, ensuring long-term dimensional stability of the mounting housing.
4. Precision Tolerance Capability
As a core precision mounting component, the housing’s bore concentricity, mounting flatness and hole position accuracy directly determine equipment assembly precision and operating stability. Our CNC machining team achieves industry-leading tolerance control based on standardized processing technology and multi-process calibration.
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Precision Bore Tolerance: The central assembly bore adopts secondary fine boring process, controlling tolerance within ±0.005mm, ensuring zero jitter fit for shaft and cylindrical components.
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Mounting Flatness Tolerance: Flange base flatness controlled within 0.01mm/100mm, ensuring full contact with the equipment base and stable installation without offset.
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Hole Position & Thread Tolerance: Mounting counterbore holes and positioning thread holes strictly follow ISO standard tolerance, with hole position accuracy ±0.01mm, ensuring smooth assembly and locking.
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Surface Consistency: Precision milling ensures uniform surface roughness, eliminating burrs and tool marks, improving assembly fit and aesthetics.
5. Manufacturing Difficulties & Solutions
This aluminum mounting housing features an integrated composite structure of cylindrical boss, precision bore, flange base and asymmetric cavity, bringing multiple machining difficulties. We solve core processing pain points through optimized clamping and process routes to ensure qualified rate and consistency.
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Difficulty 1: Structural Deformation Risk The integrated structure of thick base, cylindrical boss and thin cavity easily causes stress deformation during cutting. Solution: Adopt roughing-finishing separation process, reserve stress relief allowance, conduct natural stress relief after roughing, and finish machining after stress stabilization to ensure dimensional stability.
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Difficulty 2: Bore Concentricity Control Cross-axis bore and cavity machining is prone to concentricity deviation and tool deflection. Solution: Use 4-axis linkage machining for one-time clamping forming, avoid repeated clamping errors, and adopt fine boring tool for high-precision hole shaping.
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Difficulty 3: Cavity & Thread Matching Accuracy Asymmetric side cavity and radial positioning thread holes require high positional accuracy. Solution: Program precise coordinate positioning, process cavity and thread holes in the same clamping station, and conduct full inspection of thread fit and hole position dimension after processing.
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Difficulty 4: Surface Uniformity After Anodizing Uneven tool marks affect anodizing coloring consistency. Solution: Uniform finishing milling before surface treatment, remove sharp edges and tool traces, ensure uniform anodized color and smooth surface texture.
6. Wide Application Scenarios
This custom CNC aluminum mounting housing is a universal industrial structural part, widely applicable to multiple fields that require precision positioning and stable mounting of cylindrical and rotating components, with strong scene compatibility:
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Industrial Automation Equipment: Used for mounting and positioning of rotating shafts, sensor brackets and actuator components on automated production lines.
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General Industrial Machinery: Serving power transmission equipment, rotating mechanism bases and mechanical positioning supports to stabilize equipment operation.
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Robotics & Intelligent Equipment: Applied to robot auxiliary mounting bases, small rotating joint positioning housings and equipment structural supports.
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New Energy & Electronic Equipment: Used for precision fixing and shockproof mounting of new energy equipment accessories and electronic mechanical components.
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Custom Mechanical Upgrade: Support non-standard customized mounting housings for mechanical equipment modification, prototype development and small-batch customized parts.
7. FAQ
Q1: What is the main function of this CNC aluminum mounting housing? A1: It is mainly used for fixed installation of equipment bases and precision positioning of internal cylindrical shafts, rods and rotating components. It realizes stable locking and anti-offset positioning through the precision central bore and top set screw hole, ensuring long-term stable operation of mechanical assemblies.
Q2: Can you customize non-standard sizes and tolerance requirements? A2: Yes. We provide full custom CNC machining services, including custom bore diameter, mounting hole spacing, cavity structure, overall dimensions and tolerance grades. We can meet ultra-tight tolerance requirements for precision equipment.
Q3: Why choose 6061-T6 aluminum for mounting housing instead of stainless steel? A3: 6061-T6 aluminum features light weight, good rigidity, excellent machinability and low cost, which can reduce equipment load while ensuring structural stability. It is more suitable for automation and general mechanical mounting scenarios; stainless steel is only recommended for high-strength and special corrosion-resistant scenarios.
Q4: What surface treatment options are available for this part? A4: We provide blue/black/silver anodizing, sandblasting, polishing and passivation. Anodizing is the most mainstream solution, which can effectively improve wear resistance, corrosion resistance and part appearance consistency.
Q5: What is your production capacity and delivery cycle? A5: We support prototype customization, small-batch trial production and large-batch mass production. Prototype orders take 3–5 working days, and batch orders take 7–12 working days. We can adjust the schedule according to customer urgent needs.
Q6: Do you provide quality inspection reports? A6: Yes. All finished parts undergo full dimensional inspection via CMM and precision measuring tools, and we can provide detailed inspection reports, material certificates and processing records to support customer quality verification.
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