Custom CNC Machined Black POM Guide Sleeve | Precision Acetal Turning & Milling Parts

This custom-machined Black POM (Polyoxymethylene/Acetal) guide sleeve is manufactured using CNC turning and precision milling to provide excellent dimensional stability, low friction, and long service life. The component features a longitudinal slot, precision internal bore, and threaded side holes, making it suitable for linear motion systems, automation equipment, mechanical guides, and custom engineering assemblies.

Designed for OEM applications, each component is produced according to customer drawings and inspected to ensure consistent quality and repeatable performance.

From the uploaded image, the component has the following identifiable features:

• Black POM engineering plastic
• CNC turning outer profile
• CNC milled longitudinal slot
• Precision internal bore
• Cross-threaded mounting holes
• Stepped flange design
• Symmetrical cylindrical geometry
• Custom non-standard mechanical component

These characteristics indicate a precision guide or locating component rather than a standard off-the-shelf part.

Black POM (Acetal) is one of the most commonly machined engineering plastics because it combines high stiffness, low moisture absorption, excellent dimensional stability, and naturally low friction. Compared with nylon, POM generally maintains dimensions better in humid environments, making it suitable for precision mechanical assemblies.

POM exhibits very low moisture absorption, helping machined components maintain their dimensions in changing environments.

Its naturally low coefficient of friction reduces wear in sliding and guiding applications.

Ideal for

• Guide sleeves
• Bushings
• Linear guides
• Sliding mechanisms

Compared with many engineering plastics, POM produces clean chips and excellent surface finishes when machined with sharp tools, enabling tight tolerances for precision components.

Suitable for

• Continuous movement
• Mechanical contact
• Rotary systems
• Automation equipment

POM significantly reduces component weight while maintaining sufficient stiffness for many engineering applications.

Black POM Rod

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Material Inspection

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CNC Turning

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Precision Milling

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Slot Machining

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Thread Tapping

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Deburring

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Cleaning

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100% Inspection

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Packaging

The product incorporates several engineering features:

Provides accurate alignment for shafts or moving components.

May be used to allow controlled flexibility, weight reduction, assembly clearance, or clamping, depending on the customer's design intent.

Suitable for

• Set screws
• Locking screws
• Position adjustment
• Component fastening

Can improve positioning during assembly and help prevent axial movement.

This type of precision POM component is commonly used in

• Industrial Automation
• Robotics
• Packaging Machinery
• Textile Equipment
• Medical Devices
• Electronic Assembly Equipment
• Semiconductor Equipment
• Conveyor Systems
• Motion Control Equipment
• Precision Fixtures

Compared with many engineering plastics, POM provides:

• High stiffness
• Excellent fatigue resistance
• Low moisture absorption
• Low coefficient of friction
• Good chemical resistance to oils and fuels
• Excellent dimensional consistency

However, it is generally not recommended for prolonged exposure to strong acids or oxidizing chemicals, and bonding with adhesives is difficult due to its low surface energy.

For applications requiring high dimensional stability under varying humidity, POM is often preferred over nylon.

Each component can be inspected using

• Coordinate Measuring Machine (CMM)
• Height Gauge
• Bore Gauge
• Thread Gauge
• Digital Caliper
• Visual Inspection

We support

• Prototype Production
• Low Volume Manufacturing
• High Volume Production
• Drawing Confidentiality
• Material Traceability
• Inspection Reports
• Custom Packaging

Because it combines excellent machinability, dimensional stability, low friction, and wear resistance, making it a common choice for gears, bushings, guides, and precision mechanical components.

Yes. Its naturally low coefficient of friction and good wear resistance make it suitable for many sliding and guiding applications.

Yes. Precision threaded holes are commonly machined for fastening or adjustment features. Appropriate torque should be used to avoid damaging plastic threads.

Yes. Dimensions, bore size, slot geometry, thread specifications, tolerances, and material grades can all be customized according to customer drawings.

• CNC Machined POM Bushings
• Precision Acetal Gears
• Plastic Guide Rollers
• PEEK Mechanical Components
• UHMW Guide Parts
• Nylon CNC Components

Upload your CAD drawing to receive:

• Free Design Review
• Material Selection Recommendations
• Precision Machining Proposal
• OEM & ODM Manufacturing Support
• Prototype and Mass Production Services