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EP-A-Series Short Pitch Precision Roller Chains: Multiple Row Roller Chain for Heavy-Duty Industrial Applications
Our EP-A-Series short pitch precision roller chains featuring multiple row roller chain configurations deliver exceptional load capacity and reliability for demanding industrial applications throughout Colombian manufacturing, material handling, and power transmission systems. Engineered with precision-manufactured components meeting ANSI B29.1 and ISO 606 international standards, these multiple roller chain assemblies provide superior strength characteristics through parallel strand construction that multiplies load-carrying capacity while maintaining compact envelope dimensions. Each multiple row roller chain undergoes comprehensive quality verification to ensure dimensional accuracy, material integrity, and mechanical performance characteristics that consistently meet exacting requirements for Colombian industrial equipment operating in conveyor systems, drive applications, and heavy-duty machinery requiring dependable power transmission with extended service life under challenging operational conditions.
1. Technical Specifications and Performance Parameters
The comprehensive specification table below presents detailed technical parameters for our EP-A-Series short pitch precision roller chains sizes covering multiple row configurations, encompassing essential dimensional characteristics, tensile strength ratings, and weight specifications that engineering professionals require for accurate component selection and system integration planning across diverse Colombian industrial applications demanding reliable mechanical power transmission with substantial load capacity and extended service life under challenging operational conditions.
| ANSI Zincir No. |
YHK Zincir No. |
Pitch P (mm) |
Roller diameter d1 max (mm) |
Inner width between innerplates b1 min (mm) |
Pin diameter d2 max (mm) |
Pin length L max (mm) |
Lc max (mm) |
Inner plate depth h2 max (mm) |
Plate thickness T max (mm) |
Transverse pitch Pt (mm) |
Tensile strength Q min (kN/bf) |
Average tensile strength Q0 (kN) |
Weight per meter q (kg/m) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 40-4 | 08A-4 | 12.700 | 7.95 | 7.85 | 3.96 | 59.8 | 61.6 | 12.00 | 1.50 | 14.38 | 56.4/12687 | 62.04 | 2.57 |
| 50-4 | 10A-4 | 15.875 | 10.16 | 9.40 | 5.08 | 75.1 | 76.6 | 15.09 | 2.03 | 18.11 | 88.8/19976 | 97.68 | 4.30 |
| 60-4 | 12A-4 | 19.050 | 11.91 | 12.57 | 5.94 | 94.4 | 96.1 | 18.00 | 2.42 | 22.78 | 127.2/28614 | 139.92 | 6.21 |
| 80-4 | 16A-4 | 25.400 | 15.88 | 15.75 | 7.92 | 121.0 | 124.4 | 24.00 | 3.25 | 29.29 | 226.8/51020 | 249.48 | 10.37 |
| 100-4 | 20A-4 | 31.750 | 19.05 | 18.90 | 9.53 | 147.8 | 152.1 | 30.00 | 4.00 | 35.76 | 354.0/79635 | 389.40 | 15.60 |
| 120-4 | 24A-4 | 38.100 | 22.23 | 25.22 | 11.10 | 187.0 | 190.8 | 35.70 | 4.80 | 45.44 | 508.0/114278 | 558.80 | 23.56 |
| 40-5 | 08A-5 | 12.700 | 7.95 | 7.85 | 3.96 | 74.2 | 75.4 | 12.00 | 1.50 | 14.38 | 70.5/15859 | 77.55 | 3.19 |
| 50-5 | 10A-5 | 15.875 | 10.16 | 9.40 | 5.08 | 93.2 | 94.7 | 15.09 | 2.03 | 18.11 | 111.0/24970 | 122.10 | 5.37 |
| 60-5 | 12A-5 | 19.050 | 11.91 | 12.57 | 5.94 | 117.0 | 118.8 | 18.00 | 2.42 | 22.78 | 159.0/35768 | 174.90 | 7.75 |
| 80-5 | 16A-5 | 25.400 | 15.88 | 15.75 | 7.92 | 149.9 | 153.7 | 24.00 | 3.25 | 29.29 | 283.5/63775 | 311.85 | 12.96 |
| 100-5 | 20A-5 | 31.750 | 19.05 | 18.90 | 9.53 | 183.6 | 187.9 | 30.00 | 4.00 | 35.76 | 442.5/99543 | 486.75 | 19.46 |
| 120-5 | 24A-5 | 38.100 | 22.23 | 25.22 | 11.10 | 232.3 | 236.1 | 35.70 | 4.80 | 45.44 | 635.0/142848 | 698.50 | 29.40 |
| 40-6 | 08A-6 | 12.700 | 7.95 | 7.85 | 3.96 | 88.5 | 89.8 | 12.00 | 1.50 | 14.38 | 84.6/19031 | 93.06 | 3.83 |
| 50-6 | 10A-6 | 15.875 | 10.16 | 9.40 | 5.08 | 111.3 | 112.8 | 15.09 | 2.03 | 18.11 | 133.2/29964 | 146.52 | 6.43 |
| 60-6 | 12A-6 | 19.050 | 11.91 | 12.57 | 5.94 | 139.8 | 141.8 | 18.00 | 2.42 | 22.78 | 190.8/42921 | 209.80 | 9.31 |
| 80-6 | 16A-6 | 25.400 | 15.88 | 15.75 | 7.92 | 179.2 | 183.0 | 24.00 | 3.25 | 29.29 | 340.2/76530 | 374.22 | 15.50 |
| 100-6 | 20A-6 | 31.750 | 19.05 | 18.90 | 9.53 | 219.4 | 223.7 | 30.00 | 4.00 | 35.76 | 531.0/119452 | 584.10 | 23.36 |
| 120-6 | 24A-6 | 38.100 | 22.23 | 25.22 | 11.10 | 278.0 | 282.0 | 35.70 | 4.80 | 45.44 | 762.0/171417 | 838.20 | 35.30 |
| 40-8 | 08A-8 | 12.700 | 7.95 | 7.85 | 3.96 | 117.3 | 118.5 | 12.00 | 1.50 | 14.38 | 112.8/25375 | 124.08 | 5.11 |
| 50-8 | 10A-8 | 15.875 | 10.16 | 9.40 | 5.08 | 147.5 | 149.0 | 15.09 | 2.03 | 18.11 | 177.6/39952 | 195.36 | 8.59 |
| 60-8 | 12A-8 | 19.050 | 11.91 | 12.57 | 5.94 | 185.8 | 187.6 | 18.00 | 2.42 | 22.78 | 254.4/57229 | 279.84 | 12.37 |
| 80-8 | 16A-8 | 25.400 | 15.88 | 15.75 | 7.92 | 237.8 | 241.6 | 24.00 | 3.25 | 29.29 | 453.6/102040 | 498.96 | 20.67 |
| 100-8 | 20A-8 | 31.750 | 19.05 | 18.90 | 9.53 | 290.8 | 295.1 | 30.00 | 4.00 | 35.76 | 708.0/159270 | 778.80 | 31.14 |
| 120-8 | 24A-8 | 38.100 | 22.23 | 25.22 | 11.10 | 368.8 | 372.8 | 35.70 | 4.80 | 45.44 | 1016.0/228557 | 1176.00 | 47.07 |
2. Ürünün Beş Temel Avantajı
Multiplied Load Capacity
Multiple row roller chain construction delivers substantially increased tensile strength compared to single-strand equivalents, with four-row configurations providing load capacity approximately four times that of comparable single-row chains. This multiplied strength characteristic enables compact drive system designs in Colombian manufacturing facilities where space constraints limit installation envelope while operational requirements demand substantial torque transmission capability. The parallel strand arrangement distributes loads evenly across multiple engagement points, reducing stress concentrations and extending service life in heavy-duty conveyor systems and industrial machinery applications throughout Colombian production environments.
Hassas Üretim Standartları
Our short pitch precision roller chains adhere strictly to ANSI B29.1 and ISO 606 dimensional specifications, ensuring interchangeability with standard sprockets and compatibility across diverse equipment manufacturers serving Colombian industrial markets. Precision-ground bearing surfaces and tight tolerance control throughout manufacturing operations deliver smooth operation with minimal vibration and noise generation, critical for Colombian facilities maintaining strict environmental and workplace safety standards. The standardized pitch dimensions facilitate maintenance operations through readily available replacement components from multiple suppliers supporting Colombian industrial infrastructure.
Superior Material Construction
Premium alloy steel materials selected for exceptional strength-to-weight characteristics undergo controlled heat treatment processes including carburizing and hardening to achieve optimal surface hardness while maintaining core ductility essential for fatigue resistance. The roller components receive precision grinding after heat treatment to ensure dimensional accuracy and surface finish quality that minimizes friction and wear during operational cycles. High-quality steel pins with precise diameter control ensure proper articulation throughout chain flexing cycles, maintaining dimensional stability throughout extended service intervals in demanding Colombian industrial applications requiring dependable mechanical power transmission.
Flexible Configuration Options
Available in multiple row roller chain sizes ranging from standard single-row through eight-row configurations, our product line accommodates diverse load requirements throughout Colombian manufacturing sectors. Engineers can select optimal strand count based on specific torque transmission requirements and available installation space, enabling customized solutions for unique application challenges. The modular design philosophy permits future capacity expansion through strand count increase without complete system redesign, providing scalability for growing Colombian manufacturing operations experiencing increased production demands.
Extended Service Life
Precision manufacturing tolerances combined with premium materials and proper lubrication practices enable multiple row roller chain assemblies to deliver extended operational service life exceeding ten thousand hours in properly maintained Colombian industrial installations. The parallel strand construction distributes wear across multiple engagement surfaces, slowing degradation rates compared to single-strand alternatives operating at equivalent load levels. Regular lubrication maintenance following manufacturer recommendations ensures continued smooth operation while minimizing friction-induced wear that would otherwise reduce service intervals in demanding Colombian manufacturing environments.
3. Product Overview and Operating Principles
The EP-A-Series short pitch precision multiple row roller chain represents advanced mechanical power transmission technology engineered for demanding applications throughout Colombian industrial sectors requiring substantial load capacity within compact envelope constraints. Understanding what is a roller chain begins with recognizing its fundamental construction: a series of cylindrical rollers connected by sideplates through precision pins, creating flexible mechanical linkage capable of transmitting rotational force between sprocket wheels. The multiple roller chain drive configuration extends this basic principle through parallel strand arrangement, where two, three, four, five, six, or eight individual chains operate synchronously to multiply load-carrying capacity while maintaining standard pitch dimensions compatible with conventional sprocket designs serving Colombian manufacturing infrastructure.
The operating principle of short pitch transmission precision roller and bush chains involves precise engagement between chain rollers and sprocket tooth profiles, creating positive drive connection that transmits torque without slippage characteristic of friction-based power transmission alternatives. When examining what is the difference between A and B roller chains, the distinction centers on roller diameter and overall chain width specifications: A-series chains utilize larger roller diameters compared to B-series alternatives of equivalent pitch, providing increased bearing surface area that distributes loads more effectively and extends service life in heavy-duty Colombian industrial applications. The roller elements rotate freely on bushing components, minimizing friction during sprocket engagement while distributing wear across renewable surfaces that can be maintained through proper lubrication practices.
Manufacturing processes for multiple row roller chain assemblies begin with precision stamping or machining of sideplate components from alloy steel strip material, followed by controlled heat treatment operations including carburizing to achieve surface hardness values typically ranging from fifty-eight to sixty-two Rockwell C scale. Pin components receive similar heat treatment followed by precision grinding to achieve tight diameter tolerances essential for proper chain articulation. Roller and bushing elements undergo specialized heat treatment cycles optimized for wear resistance while maintaining adequate core ductility to absorb shock loads. Final assembly operations press pins through sideplate apertures with controlled interference fits, creating permanent mechanical connections that maintain dimensional stability throughout operational service life in demanding Colombian manufacturing environments requiring dependable mechanical power transmission.
4. Material Composition and Manufacturing Excellence
The EP-A-Series multiple row roller chain utilizes premium alloy steel materials precisely selected for optimal combinations of strength, hardness, and fatigue resistance required for demanding Colombian industrial applications. Sideplate components typically employ medium-carbon alloy steel grades containing chromium, manganese, and molybdenum additions that enhance hardenability and provide superior mechanical properties after controlled heat treatment operations. The material composition undergoes carburizing processes that diffuse carbon into surface layers, creating hardened case depths typically ranging from zero point five to one point five millimeters while maintaining ductile core material capable of absorbing shock loads without brittle fracture in demanding Colombian manufacturing environments.
Pin components receive similar alloy steel selection with optimized carbon content enabling through-hardening to achieve consistent hardness throughout cross-section, essential for resisting bearing loads imposed during chain articulation cycles. Roller and bushing elements utilize specially formulated steel grades balancing surface hardness requirements with adequate core toughness to prevent stress cracking during impact loading conditions. Understanding how to measure roller chain pitch involves recognizing that pitch dimension represents the distance between pin centers in adjacent links, standardized across industry to ensure interchangeability between chain and sprocket components from multiple manufacturers serving Colombian industrial markets.
Surface treatment options for multiple row roller chain assemblies include pre-lubrication with corrosion-inhibiting oils that provide temporary protection during storage and transportation to Colombian facilities, supplementing operational lubrication requirements. Zinc electroplating offers enhanced corrosion resistance for applications exposed to moisture or chemical environments common to Colombian agricultural processing, food manufacturing, and coastal industrial operations. The precision grinding operations applied to roller components after heat treatment ensure dimensional accuracy and surface finish quality that minimizes friction during sprocket engagement, extending service life while reducing power consumption throughout operational cycles in Colombian industrial equipment requiring efficient mechanical power transmission.
5. Application Scenarios and Industry Use Cases
The EP-A-Series short pitch precision multiple row roller chain serves critical power transmission functions across diverse Colombian industrial sectors, providing dependable mechanical drive solutions for conveyor systems, material handling equipment, heavy-duty machinery, and manufacturing processes requiring substantial load capacity with reliable operation throughout extended service intervals in demanding production environments where equipment downtime directly impacts operational efficiency and profitability.
Heavy-Duty Conveyor Systems
Colombian manufacturing facilities implementing bulk material handling conveyors for mining operations, agricultural processing, and distribution centers rely on multiple row roller chain technology to transmit substantial loads across extended conveyor lengths. The parallel strand construction distributes tensile forces across multiple engagement points, enabling conveyor systems to transport heavy materials including grain, minerals, and packaged goods throughout Colombian production facilities without premature chain failure that would halt operations and compromise production schedules critical to maintaining delivery commitments.
Industrial Drive Applications
Colombian manufacturers of processing equipment, packaging machinery, and production line systems utilize best triple row roller chains sleeve chains configurations to transmit power from motors to driven machinery requiring substantial torque capacity within compact installation envelopes. The multiple roller chain drive arrangement enables compact gearbox designs that reduce equipment footprint while maintaining adequate mechanical power transmission capacity for demanding Colombian industrial applications including mixer drives, agitator systems, and reciprocating machinery operating continuously throughout production shifts.
Agricultural Machinery Equipment
Colombian agricultural equipment manufacturers integrate multiple row roller chain for sale in harvesting machinery, processing equipment, and material handling systems serving coffee production, sugarcane processing, and grain handling operations throughout Colombian agricultural regions. The robust construction withstands shock loads and contamination exposure characteristic of agricultural environments, delivering reliable operation during critical harvest seasons when equipment failures would result in crop losses and economic impacts to Colombian farming operations depending on timely processing and distribution of agricultural products.
Mining and Extraction Equipment
Colombian mining operations utilize heavy-duty multiple row roller chain assemblies in excavation equipment, material transport systems, and processing machinery handling substantial loads throughout extraction and processing operations. The exceptional tensile strength ratings accommodate peak loading conditions during mining cycles, while the parallel strand construction provides redundancy that prevents catastrophic failure if individual strands experience damage from impact or contamination exposure common to challenging Colombian mining environments requiring dependable mechanical power transmission throughout continuous operational schedules.
6. Regulatory Compliance and International Standards
Manufacturing and distribution of EP-A-Series multiple row roller chain products throughout Colombia requires adherence to comprehensive regulatory frameworks governing mechanical power transmission components, encompassing dimensional standards, material specifications, quality management systems, and safety requirements established by international standardization organizations and Colombian industrial safety authorities. Compliance with these roller chain standards ensures product safety, performance consistency, and interchangeability across diverse application environments in Colombian manufacturing and material handling sectors where dependable mechanical components remain essential to operational reliability and worker safety throughout production facilities.
Primary dimensional and performance standards include ANSI B29.1 which specifies chain geometry, pitch dimensions, and tensile strength requirements for precision roller chains used in North American industrial applications. ISO 606 international standard provides equivalent specifications for global roller chain compatibility, ensuring international sourcing flexibility for Colombian manufacturers requiring component availability from multiple suppliers. The standardized what is a pitch on a roller chain specification defines center-to-center distance between adjacent pins, critical dimension enabling proper engagement with sprocket tooth profiles throughout Colombian industrial equipment utilizing standard short pitch roller chain wheel components compatible with international dimensional specifications.
Colombian industrial facilities benefit from these standardization frameworks through simplified procurement procedures, reduced inventory requirements, and assured component compatibility when integrating multiple row roller chain technologies into existing or newly designed machinery systems. ISO 9001:2015 quality management system certification demonstrates manufacturing process control capabilities that consistently produce chains meeting dimensional tolerances and material property requirements specified in product documentation. Environmental management system compliance addresses sustainable manufacturing practices increasingly important to Colombian companies pursuing corporate environmental responsibility objectives aligned with international sustainability standards and Colombian environmental regulations governing industrial operations.
7. About Our Manufacturing Capabilities
Our manufacturing facility operates advanced precision stamping equipment, controlled atmosphere heat treatment furnaces, and automated assembly systems to produce EP-A-Series multiple row roller chain assemblies that consistently meet stringent dimensional tolerances and material property specifications required for reliable industrial power transmission applications throughout Colombian manufacturing sectors.
Quality assurance protocols encompass incoming material verification using spectroscopic analysis to confirm alloy steel compositions, in-process dimensional inspection utilizing coordinate measuring equipment and optical comparators, hardness testing of heat-treated components, and final functional testing including tensile strength verification before packaging. Our laboratory facilities include metallurgical analysis equipment, fatigue testing machines, and wear simulation apparatus that validate material properties and performance characteristics according to international standards.
Çalıştay
8. Related Products and Complete Drive System Solutions
Beyond our comprehensive multiple row roller chain product line, we manufacture precision sprockets, gears, and related transmission components that integrate seamlessly with chain technology to deliver complete mechanical power transmission solutions for Colombian industrial applications. This one-stop supply capability simplifies procurement processes while ensuring component compatibility and system performance optimization across your entire drivetrain assembly, reducing engineering time and minimizing inventory requirements for maintenance operations throughout manufacturing facilities requiring dependable mechanical drive components with substantial load capacity.
Precision Sprockets
Bunlar sprockets pair perfectly with multiple row roller chain technology to create efficient power transmission systems capable of handling substantial torque loads in conveyor systems, industrial machinery, and production equipment throughout Colombian industrial facilities requiring reliable mechanical drive components with extended service life.
Industrial Gears
We produce high-precision vites components including spur gears, helical gears, and bevel gears manufactured from case-hardening steel grades with ground tooth surfaces. These gears integrate with chain drive technology to provide versatile speed reduction and torque multiplication solutions for Colombian manufacturing equipment, automation systems, and machinery requiring combined gear and chain transmission arrangements for optimal performance and extended service life in demanding industrial applications.
Sıkça Sorulan Sorular
Q1. What load capacity advantages does multiple row roller chain provide compared to single-strand alternatives in Colombian heavy-duty conveyor applications?
Multiple row roller chain configurations deliver load capacity directly proportional to strand count, with four-row assemblies providing approximately four times the tensile strength of equivalent single-row chains. This multiplied capacity enables Colombian conveyor systems to transport substantially heavier loads or achieve longer conveyor spans without intermediate support structures, reducing installation costs while maintaining reliable operation. The parallel strand arrangement also provides operational redundancy where individual strand damage does not immediately halt conveyor operation, allowing scheduled maintenance rather than emergency shutdowns in critical Colombian manufacturing facilities.
Q2. Which lubrication practices extend multiple row roller chain service life in Colombian industrial manufacturing facilities?
Proper lubrication remains critical for extended service life, with oil bath systems providing optimal lubrication for enclosed drive applications operating at moderate speeds throughout Colombian facilities. Drip lubrication systems deliver measured oil quantities to chain engagement points for open conveyor applications where oil bath enclosures prove impractical. Spray lubrication accommodates high-speed applications requiring continuous lubricant delivery to prevent friction-induced heat buildup. Colombian facilities should implement lubrication schedules based on operating conditions, with contaminated environments requiring more frequent maintenance intervals to prevent abrasive particle accumulation that accelerates wear rates.
Q3. How do high-temperature Colombian industrial processes affect multiple row roller chain performance and material selection?
Elevated temperature environments common to Colombian food processing, chemical manufacturing, and materials handling operations can degrade lubricant effectiveness while potentially affecting chain material properties if temperatures exceed design limitations. Standard roller chains typically operate reliably up to one hundred fifty degrees Celsius with proper high-temperature lubricants, while specialized heat-resistant alloys accommodate applications approaching two hundred degrees Celsius. Colombian facilities operating equipment in elevated temperature environments should specify appropriate chain materials and lubrication systems during initial design phases, avoiding performance degradation that would compromise operational reliability during sustained high-temperature production cycles.
Editör: PXY
