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CNC Machined Nylon Conveyor Roller for Industrial Automation and Material Handling Systems

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CNC Machined Nylon Conveyor Roller for Industrial Automation and Material Handling Systems

詳細情報

製品説明

詳細情報

材質のオプション:

ナイロン6/6(PA66)、ナイロン6(PA6)、デルリン/アセタール(POM)、UHMW-PE

直径範囲:

20mmから150mm

長さの範囲:

50mm～1,200mm

ボアオプション:

プレーンボア、ベアリングシート (H7)、キー付きボア、止めねじ平ら

許容範囲:

+/-0.025mm (直径)、+/-0.05mm (長さ)、0.05mm TIR (振れ)

表面仕上げ:

Ra 1.6～3.2（転がり面）、Ra 0.8（ベアリングシート）

製品説明

CNC Machined Nylon Conveyor Roller

Steel rollers are heavy, prone to rust, and create maintenance headaches during replacement. Nylon conveyor rollers solve these issues while being more cost-effective. However, machining nylon requires specialized expertise as it deflects, absorbs coolant, and requires specific cutter geometries to avoid melting and ensure clean results.

Nylon 6/6 (PA66) is the standard material for conveyor rollers, offering toughness, excellent wear resistance against steel frames, and continuous operation up to 80°C. For food processing or wet environments, we recommend Delrin/Acetal since nylon absorbs moisture and swells - a 50.00mm dry roller can become 50.08mm after washdown, potentially causing belt tracking issues.

Maintaining concentricity is critical for conveyor rollers. Our between-centers turning process with live tailstock support ensures 300mm rollers maintain concentricity within 0.05mm, eliminating vibration that damages conveyor belts. Cycle time for a 300mm nylon roller is approximately 4 minutes.

Nylon rollers often operate quieter than steel, but surface finish optimization is crucial. We target Ra 1.6-3.2 on rolling surfaces for proper belt traction without abrasion, and can add custom groove patterns for specific grip requirements.

Key Features

Nylon 6/6 (PA66): High wear resistance, low friction coefficient, and impact toughness suitable for heavy loads and continuous operation
Delrin Option Available: For moisture-critical environments where nylon's water absorption would cause dimensional instability
Concentricity Control: Turned between centers with live tailstock, total runout within 0.05mm on rollers up to 600mm length
Bearing Seat Precision: Bore tolerance H7 for standard bearing fit, with optional press-fit or slip-fit geometry
Surface Finish Optimized: Ra 1.6-3.2 on rolling surface for belt traction, Ra 0.8 on bearing seats for accurate fit
Custom Groove Patterns: Diamond knurl, herringbone, straight groove, or plain surface available for specific belt traction requirements

Technical Specifications

Specification	Details
Product Name	CNC Machined Nylon Conveyor Roller
Material Options	Nylon 6/6 (PA66), Nylon 6 (PA6), Delrin/Acetal (POM), UHMW-PE
Diameter Range	20mm - 150mm
Length Range	50mm - 1,200mm
Bore Options	Plain bore, bearing seat (H7), keyed bore, set screw flat
Tolerance	+/-0.025mm (diameter), +/-0.05mm (length), 0.05mm TIR (runout)
Surface Finish	Ra 1.6-3.2 (rolling surface), Ra 0.8 (bearing seats)
Certifications	ISO 9001:2015, IATF 16949, RoHS, CE, REACH, food-contact compliant grades available
Lead Time - Prototype	3-5 days
Lead Time - Production	7-12 days (100-1,000), 12-20 days (1,000-10,000)
MOQ	20 pieces (prototype), 100+ (production)
Origin	Dongguan, China

Applications

Package Handling: Conveyor rollers for logistics centers, distribution warehouses, and parcel sorting systems
Food Processing: Washdown-rated Delrin rollers for food-grade conveyors, food-contact compliant material options
Mining & Aggregate: Tough nylon rollers for bulk material handling, resistant to abrasion and impact
Airport Baggage: Low-noise nylon rollers for baggage handling systems where quiet operation matters
Assembly Lines: Precision rollers for automotive and electronics assembly conveyors with tight positioning requirements
Agriculture: Corrosion-resistant nylon rollers for grain elevators, seed processing, and fertilizer handling

Why Choose Sinbo Precision

Between-Centers Turning: Every roller is turned between centers with live tailstock support to reliably maintain 0.05mm runout on 600mm rollers
Plastic Machining Focus: Dedicated cutting parameters, coolant strategies, and tool geometries specifically for engineering plastics
Material Expertise: Comprehensive stock of Nylon 6/6, Nylon 6, Delrin, and UHMW with expert application guidance
Volume Capability: Multi-spindle and multi-axis turning for high-volume production with consistent quality
Custom Profiles: Non-standard groove patterns, tapered rollers, crowned rollers, and multi-diameter rollers
Assembly Option: Complete roller assembly with pressed bearings and installed shafts for ready-to-install components

Manufacturing Process

Material Selection: Confirm nylon grade based on load, speed, temperature, and moisture exposure requirements
CNC Turning: Mount between centers, rough turn OD, finish turn to final diameter with surface finish control
Secondary Machining: Drill and tap axle holes, mill keyways or set screw flats as required
Deburring: Remove machining burrs using low-speed tools suitable for heat-sensitive nylon
Dimensional Inspection: Comprehensive checking of diameter, length, runout, bore size, and groove depth
Packaging: Individually wrapped protection with custom labeling for material grade and part identification

Frequently Asked Questions

Nylon or Delrin -- how do I choose for a conveyor roller?

For dry, room temperature environments, nylon offers better toughness and cost-effectiveness. For moisture, washdown, or high humidity applications, choose Delrin as it doesn't absorb water and maintains dimensional stability. Nylon can swell 1-2% when saturated, affecting bearing fits and belt tracking.

Can you make crowned rollers (barrel-shaped) for belt tracking?

Yes, we regularly produce crowned rollers for center-driven conveyors. We program the crown profile directly into CNC turning cycles, typically applying 0.5-1mm crown on 100mm diameter rollers. Simply specify your crown requirements.

What's the maximum roller length you can machine?

Our between-centers setup handles up to 1,200mm. For longer requirements, we recommend two-piece construction with steel shafts and nylon sleeves - a common solution for extended conveyor systems.

Do nylon rollers handle heavy loads?

Nylon 6/6 provides approximately 500kg load capacity on a 50mm diameter roller at 200mm span. For heavier loads, we can increase diameter, add steel cores, or use reinforced nylon (glass-filled) which doubles capacity.

Can you add bearings and shafts before shipping?

Yes, we stock standard 6200-series bearings and can press-fit them into bearing seats. We provide complete assembled roller units ready for installation into conveyor frames.

How does nylon hold up in cold environments?

Nylon becomes brittle below -20°C. For freezer or cold storage applications, Delrin maintains ductility down to -40°C. UHMW-PE is another cold-environment option, though with lower load capacity.

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Sinbo Precision Mechanical Co., Ltd.

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CNC 製造 ソリューション

CNC Machined Nylon Conveyor Roller for Industrial Automation and Material Handling Systems

CNC 製造ソリューション

CNC 製造ソリューション

CNC 製造ソリューション