説明
EP-B-Series Short Pitch Precision Roller Chains Double Row Roller Chain
The double row roller chain represents advanced engineering in power transmission technology, specifically designed to deliver exceptional load capacity and operational reliability across demanding Colombian industrial applications. This B-Series short pitch precision roller chain configuration incorporates dual parallel strands of interconnected roller elements that distribute forces across broader contact surfaces, enabling higher torque transmission compared to conventional single row designs. Engineered for environments requiring robust performance and extended service life, the double roller chain system provides Colombian manufacturing facilities with dependable mechanical power transfer solutions.
1. Technical Specifications and Performance Data
| 仕様 | 価値 | ユニット |
|---|---|---|
| Series Designation | B-Series Short Pitch | – |
| Configuration Type | Double Row Roller Chain | – |
| Chain Pitch Range | 8.000 – 114.300 | mm |
| Roller Diameter Range | 5.00 – 72.39 | mm |
| Inner Width Range | 3.00 – 68.58 | mm |
| Pin Diameter Range | 2.31 – 44.48 | mm |
| Tensile Strength Range | 7.8 – 2500.0 kN | kN/bf |
| Average Tensile Strength Range | 10.2 – 2750.0 | kN |
| Weight per Meter Range | 0.33 – 120.40 | kg/m |
| Inner Plate Depth Range | 7.10 – 103.60 | mm |
| Plate Thickness Range | 0.80 – 17.00 | mm |
| Transverse Pitch Range | 5.64 – 136.27 | mm |
| Material Standard | High Carbon Steel | – |
| Heat Treatment | Case Hardened | – |
| 表面仕上げ | Shot Peened / Pre-Stressed | – |
| Pin Construction | Solid Round Pin | – |
| Lubrication Requirement | Periodic Oil Application | – |
| 動作温度範囲 | -20 to +80 | °C |
| コンプライアンス基準 | ANSI B29.1, ISO 606 | – |
| Application Classification | Heavy Duty Industrial | – |
| Service Factor | 1.5 – 2.0 | – |
| ISO / DIN Chain No. | Pitch P (mm) | Roller diameter d1 max (mm) | Width between inner plates b1 min (mm) | Pin diameter d2 max (mm) | Pin length L max (mm) | Pin length Lc max (mm) | Inner plate depth h2 max (mm) | Plate thickness t/T max (mm) | Transverse pitch Pt (mm) | Tensile strength Q min (kN/bf) | Average tensile strength Q0 (kN) | Weight per meter q (kg/m) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 05B-2 | 8.000 | 5.00 | 3.00 | 2.31 | 13.9 | 14.5 | 7.10 | 0.80 | 5.64 | 7.8/1773 | 10.2 | 0.33 |
| *06B-2 | 9.525 | 6.35 | 5.72 | 3.28 | 23.4 | 24.4 | 8.20 | 1.30 | 10.24 | 16.9/3841 | 18.7 | 0.77 |
| 08B-2 | 12.700 | 8.51 | 7.75 | 4.45 | 31.0 | 32.2 | 11.80 | 1.60 | 13.92 | 32.0/7273 | 38.7 | 1.34 |
| 10B-2 | 15.875 | 10.16 | 9.65 | 5.08 | 36.1 | 37.5 | 14.70 | 1.70 | 16.59 | 44.5/10114 | 56.2 | 1.84 |
| 12B-2 | 19.050 | 12.07 | 11.68 | 5.72 | 42.0 | 43.6 | 16.00 | 1.85 | 19.46 | 57.8/13136 | 66.1 | 2.31 |
| 16B-2 | 25.400 | 15.88 | 17.02 | 8.28 | 68.0 | 69.3 | 21.00 | 4.15/3.1 | 31.88 | 106.0/24091 | 152.1 | 5.42 |
| 20B-2 | 31.750 | 19.05 | 19.56 | 10.19 | 77.8 | 81.5 | 26.40 | 4.50/3.5 | 36.45 | 170.0/38636 | 229.0 | 7.20 |
| 24B-2 | 38.100 | 25.40 | 25.40 | 14.63 | 101.7 | 106.2 | 33.20 | 6.00/4.8 | 48.36 | 280.0/63636 | 319.2 | 13.40 |
| 28B-2 | 44.450 | 27.94 | 30.99 | 15.90 | 124.6 | 129.1 | 36.70 | 7.50/6.0 | 59.56 | 360.0/81818 | 406.8 | 16.60 |
| 32B-2 | 50.800 | 29.21 | 30.99 | 17.81 | 124.6 | 129.6 | 42.00 | 7.00/6.0 | 58.55 | 450.0/102273 | 508.5 | 21.00 |
| 40B-2 | 63.500 | 39.37 | 38.10 | 22.89 | 154.5 | 161.5 | 52.96 | 8.50/8.0 | 72.29 | 630.0/143182 | 711.9 | 32.00 |
| 48B-2 | 76.200 | 48.26 | 45.72 | 29.24 | 190.4 | 198.2 | 63.80 | 12.00/10.0 | 91.21 | 1000.0/227272 | 1130.0 | 50.00 |
| 56B-2 | 88.900 | 53.98 | 53.34 | 34.32 | 221.2 | 229.6 | 77.80 | 13.50/12.0 | 106.60 | 1600.0/363635 | 1760.0 | 71.48 |
| 64B-2 | 101.600 | 63.50 | 60.96 | 39.40 | 249.9 | 258.4 | 90.17 | 15.00/13.0 | 119.89 | 2000.0/454544 | 2200.0 | 91.00 |
| 72B-2 | 114.300 | 72.39 | 68.58 | 44.48 | 283.7 | 292.7 | 103.60 | 17.00/15.0 | 136.27 | 2500.0/568180 | 2750.0 | 120.40 |
*Straight side plates
2. Comprehensive Product Introduction
The double row roller chain functions as a critical mechanical component within drivetrain assemblies where substantial load-bearing requirements exceed the capacity limitations of standard single-row configurations. What distinguishes this chain double row construction from traditional roller chain single row alternatives lies in its parallel strand architecture, wherein two complete chain assemblies operate synchronously on matching double row roller chain sprockets to effectively double the power transmission capability without increasing chain pitch dimensions. The short pitch precision roller chains designation refers to the standardized distance between successive pin centers, following international roller chain standards that ensure compatibility across manufacturers and applications throughout Colombian industrial sectors. This B-Series classification denotes specific dimensional tolerances and material specifications that align with ANSI B29.1 and ISO 606 standards, providing Colombian engineers with predictable performance characteristics essential for precise machinery design and maintenance planning. Industries throughout Colombia, ranging from mining operations processing mineral resources to food processing facilities requiring sanitary-compliant power transmission, have increasingly adopted double roller chain solutions due to their ability to accommodate heavy shock loads while maintaining positional accuracy critical for automated production sequences.
3. Five Strategic Product Advantages
Doubled Load-Carrying Capacity
The double row configuration effectively doubles the tensile strength and load-bearing capability compared to equivalent single-strand chains, enabling Colombian mining operations to transmit higher torque loads through existing drivetrain footprints without requiring complete system redesign or larger chain pitch specifications.
Extended Operational Longevity
Distributed loading across dual parallel strands reduces individual component stress concentrations, significantly extending wear life and minimizing Colombian industrial downtime through decreased replacement frequency and predictable maintenance scheduling based on documented service hour accumulation rather than unexpected failure events.
Superior Shock Load Absorption
The dual-strand architecture provides inherent resilience against transient force spikes characteristic of Colombian material handling equipment and aggregate processing machinery, where irregular loading patterns from material feed surges would otherwise compromise single-row chain integrity through accelerated fatigue accumulation.
Precision Positioning Maintenance
The short pitch transmission precision roller and bush chains specification ensures minimal dimensional variation between sequential rollers, maintaining consistent engagement timing with sprocket teeth critical for Colombian automated packaging lines and conveyor systems requiring exact product positioning through multi-station processing sequences.
Standardized Interchangeability
Adherence to established roller chain standards guarantees cross-manufacturer compatibility throughout Colombian industrial supply chains, enabling maintenance departments to source double row roller chain replacement components from multiple vendors while maintaining dimensional conformity and performance consistency across production equipment lifecycles.
4. Operating Principles and Mechanical Function
The fundamental operating principle governing what is a roller chain system centers on the sequential engagement between cylindrical roller elements and precisely machined sprocket tooth profiles that convert rotational motion into linear force transmission or vice versa depending on drive configuration. Understanding what is the pitch on a roller chain becomes essential for Colombian engineers specifying replacement components, as this measurement represents the center-to-center distance between adjacent pin locations and dictates sprocket compatibility throughout the drivetrain assembly. The double roller vs single roller comparison reveals that while both configurations share identical pitch dimensions within their respective size classifications, the dual-strand arrangement effectively places two complete chains in parallel operation, with each strand carrying approximately half the total transmitted load while both strands engage alternate teeth on specially designed double row roller chain sprockets featuring wider tooth faces accommodating both chain strands simultaneously. The short pitch roller chain wheel interfaces with precision-manufactured rollers through carefully calculated tooth geometry that promotes gradual engagement and disengagement cycles, minimizing impact forces that would otherwise accelerate wear on roller chain parts including pins, bushings, and link plates throughout extended operational periods typical of Colombian continuous-duty industrial applications. Colombian conveyor systems utilizing roller chain conveyor configurations particularly benefit from double-row designs where heavy material loads exceed single-strand capacity limits, with the parallel strand arrangement providing redundancy that prevents catastrophic system failures should individual roller chain parts experience localized wear or damage during operation.
5. Material Composition and Manufacturing Quality
The double row roller chain manufacturing process begins with precision-selected high carbon alloy steel conforming to SAE 1040 or equivalent specifications, chosen specifically for its optimal balance between tensile strength and ductility essential for surviving the cyclic loading patterns characteristic of Colombian industrial drivetrain applications. Pin components undergo through-hardening heat treatment cycles reaching case depths between one and two millimeters, providing wear-resistant surface layers while maintaining tough inner cores capable of absorbing shock loads without brittle fracture that would compromise Colombian mining conveyor reliability during sudden material surge events. Bushings receive similar heat treatment protocols, with additional consideration given to internal diameter precision tolerances that directly influence how smoothly rollers rotate during engagement with short pitch roller chain wheel teeth throughout millions of operational cycles. The roller elements themselves represent critical roller chain parts requiring careful dimensional control during manufacturing, as variations in outer diameter measurements of even fractions of millimeters create uneven loading distributions across successive teeth on double row roller chain sprockets, accelerating wear rates and reducing service life projections used by Colombian maintenance planners for inventory forecasting. Link plates stamped from precision-rolled steel sheet undergo shot peening surface treatments that introduce beneficial compressive residual stresses in outer material layers, significantly improving fatigue resistance against the repetitive bending cycles experienced as chains flex around sprocket engagement points during continuous Colombian food processing line operations. Understanding how to measure roller chain pitch becomes essential during quality control procedures, as manufacturing tolerances directly impact the difference between A and B roller chains within the broader short pitch precision roller chains sizes spectrum available to Colombian industrial purchasers.
6. Industrial Application Environments
Colombian Mining Operations
Double row roller chain configurations provide essential load-carrying capacity for Colombian mineral extraction facilities where conveyor systems transport bulk materials including coal, precious metals, and aggregate products through processing sequences. The robust construction withstands abrasive particle contamination and impact loading from irregular material feed patterns characteristic of mining environments.
Food Manufacturing Facilities
Colombian food processing plants utilize the chain double row design for heavy-duty conveyor applications moving packaged goods through multi-station production lines. The precision engagement characteristics maintain exact product positioning critical for automated packaging equipment while the doubled capacity accommodates weight accumulation from batch processing operations.
Agricultural Processing Centers
Colombian agricultural facilities processing coffee, sugarcane, and grain products depend on short pitch transmission precision roller and bush chains for elevator bucket systems and material handling equipment. The double roller configuration provides reliability essential for seasonal peak-load operations when harvest volumes stress conventional single-strand capacity limits.
Construction Material Production
Colombian cement plants and concrete production facilities employ roller chain conveyor systems incorporating double-row designs for moving raw materials and finished products through kilns and curing processes. The heat-resistant material specifications and robust construction maintain dimensional stability despite thermal cycling exposure inherent to construction material manufacturing.
Automotive Manufacturing Lines
Colombian automotive assembly facilities utilize double row roller chain sprockets configurations for overhead conveyor systems transporting vehicle bodies through paint booths and assembly stations. The precision positioning capability ensures exact station-to-station alignment critical for automated robotic welding and component installation throughout production sequences.
Waste Management Systems
Colombian recycling centers and waste processing facilities depend on the double roller chain for material sorting conveyors handling irregular shapes and weights that would overstress conventional single-row alternatives. The corrosion-resistant surface treatments withstand exposure to moisture and chemical contaminants present in waste stream environments.
7. Regulatory Compliance and International Standards
Colombian industrial installations incorporating double row roller chain systems must adhere to comprehensive regulatory frameworks governing mechanical power transmission equipment safety and performance characteristics. The Colombian Ministry of Labor enforces Resolution 2400 of 1979 establishing general safety regulations for industrial establishments, which mandates proper guarding of exposed chain drives and regular inspection protocols documented in maintenance logs accessible during regulatory audits. The double roller chain manufactured to ANSI B29.1 specifications meets American National Standards Institute dimensional and strength requirements that Colombian engineers reference during equipment specification development and double row roller chain replacement procurement activities. ISO 606 compliance ensures international dimensional interchangeability critical for multinational corporations operating Colombian manufacturing facilities where standardized roller chain parts inventories serve equipment populations across multiple geographic regions. European Union machinery directive conformance provides CE marking eligibility essential for Colombian export-oriented manufacturers supplying processed goods to European markets, as production equipment documentation demonstrating compliant component selection supports broader facility certification procedures. Colombian environmental regulations administered by ANLA (Autoridad Nacional de Licencias Ambientales) increasingly scrutinize industrial lubrication practices, making the periodic oil application requirements of short pitch precision roller chains relevant to environmental management system documentation proving responsible lubricant handling and disposal protocols throughout Colombian industrial operations. Occupational safety standards enforced by Colombian labor authorities require documented training programs educating maintenance personnel on proper procedures for what is double pitch roller chain inspection and tension adjustment, with particular emphasis on lockout-tagout protocols preventing accidental equipment energization during servicing activities involving roller chain conveyor systems.
8. About Our Manufacturing Excellence
Advanced manufacturing technologies including CNC-controlled roller grinding equipment and automated heat treatment furnaces ensure consistent dimensional conformity across every B-Series short pitch precision roller chains double row roller chain produced within our quality-certified production environment. Our technical engineering team provides application-specific consultation services assisting Colombian industrial purchasers with proper chain selection considering load calculations, speed requirements, and environmental exposure factors unique to their operational contexts. Quality assurance protocols certified to ISO 9001 standards govern material traceability from steel procurement through finished product validation testing, ensuring every double roller chain leaving our facility meets documented performance specifications.
ワークショップ
9. Complementary Drivetrain Components
Our comprehensive power transmission portfolio extends beyond double row roller chain products to encompass complete drivetrain system solutions optimized for Colombian industrial applications. We manufacture precision-engineered components including sprockets designed specifically for chain engagement and ギヤ assemblies for synchronized motion transfer throughout complex machinery configurations. System-wide compatibility remains fundamental to our engineering approach, ensuring seamless integration between chain drives, sprocket interfaces, and gear reduction stages that collectively comprise modern Colombian manufacturing equipment drivetrains. The one-stop procurement advantage simplifies Colombian maintenance department inventory management while ensuring consistent quality standards across all rotating power transmission elements serving interconnected production systems.
Precision Sprockets
High-performance sprocket components manufactured to exacting tooth profile specifications ensure optimal engagement with B-Series short pitch precision roller chains double row roller chain systems. Available in multiple tooth counts and bore configurations for Colombian industrial machinery applications requiring reliable rotational power transfer.
Industrial Gears
Complementary gear reduction assemblies provide torque multiplication and speed adjustment capabilities for Colombian power transmission systems. Manufactured to AGMA quality standards ensuring smooth meshing characteristics and extended service life under demanding operational conditions prevalent throughout industrial sectors.
よくある質問
Q1. What specific advantages do double row roller chains provide for Colombian mining conveyor applications compared to single-strand alternatives?
The double row roller chain configuration delivers approximately twice the load-carrying capacity of equivalent single-row designs while maintaining identical pitch dimensions, enabling Colombian mining operations to transport heavier material loads without requiring larger sprocket diameters or complete conveyor redesign. The dual-strand architecture also provides operational redundancy where localized wear on individual roller chain parts does not immediately compromise entire system functionality.
Q2. How does the difference between A and B roller chains impact selection decisions for Colombian industrial equipment specifications?
The B-Series designation within short pitch precision roller chains sizes indicates lighter-duty construction with reduced plate thickness and pin diameter compared to A-Series equivalents at the same pitch measurement. Colombian facilities operating lower-speed applications or moderate loading conditions benefit from the B-Series cost advantages while heavy-duty mining or material handling operations requiring maximum strength typically specify A-Series configurations.
Q3. Which Colombian industries benefit most from implementing double roller chain systems in their material handling equipment?
Colombian mining operations, cement production facilities, agricultural processing centers, and automotive manufacturing plants realize substantial operational benefits from the chain double row configuration. These sectors commonly encounter heavy load requirements and continuous-duty cycles where the doubled capacity prevents premature wear and minimizes unplanned downtime through enhanced durability characteristic of parallel-strand construction.
Q4. What is the difference between a silent chain and a roller chain for Colombian industrial power transmission applications?
Silent chains utilize interleaved toothed link plates engaging sprocket teeth directly without roller elements, producing quieter operation but requiring more precise manufacturing tolerances than conventional roller chain conveyor systems. Colombian facilities prioritizing noise reduction in food processing or pharmaceutical environments may specify silent chains, while heavy-duty mining and material handling operations typically employ the double row roller chain for superior shock load capability and maintenance simplicity.
Q5. How does what is double pitch roller chain construction differ from standard pitch configurations for Colombian material handling systems?
Double pitch roller chain features twice the center-to-center pin spacing of standard configurations while maintaining identical roller and pin dimensions, enabling larger diameter sprockets and reduced rotational speeds for Colombian conveyor applications where linear speed requirements permit longer pitch dimensions. This construction provides cost advantages through reduced chain length requirements for equivalent conveyor spans throughout Colombian agricultural and light manufacturing facilities.
編集者: PXY
