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

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Mrs. Yang

kristen.yang@jinbo-china.com

+86 13798898651

Y13798898651

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

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Tùy chọn vật liệu:

Nylon 6/6 (PA66), Nylon 6 (PA6), Delrin/Acetal (POM), UHMW-PE

Phạm vi đường kính:

20 mm - 150mm

Phạm vi chiều dài:

50mm - 1.200mm

Tùy chọn lỗ khoan:

Lỗ trơn, ổ trục (H7), lỗ có khóa, vít đặt phẳng

Sức chịu đựng:

+/-0,025mm (đường kính), +/-0,05mm (chiều dài), 0,05mm TIR (hết)

Hoàn thiện bề mặt:

Ra 1,6-3,2 (bề mặt lăn), Ra 0,8 (ghế chịu lực)

Mô tả sản phẩm

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.

Các thẻ:

Sinbo Precision Mechanical Co., Ltd.

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Các giải pháp sản xuất CNC

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