설명
EP-SP 시리즈 고강도 단피치 롤러 체인
The short pitch precision roller chains design enables significantly smaller sprocket diameters compared to standard pitch alternatives while maintaining superior load-carrying capacity through optimized tooth geometry and advanced bearing surfaces. High strength short pitch roller chains accommodate operating speeds exceeding standard chain designs, making them the preferred choice for machinery requiring rapid power transmission with minimal vibration and noise. The replacement high strength short pitch roller chains available in our product portfolio maintain perfect compatibility with existing equipment while delivering improved performance characteristics through refined manufacturing processes. Whether specified for conveyor systems, automated production equipment, or specialized industrial machinery, the short pitch chain configuration provides the mechanical advantage of compact dimensions without sacrificing the durability and reliability essential for continuous industrial operation. The SP series includes multiple size configurations from 80SP-1 through 200SP-3, each engineered to deliver consistent performance across diverse applications including conveyor systems, textile machinery, packaging equipment, and precision industrial drives.
1. Technical Specifications and Performance Data
| Model (YHK) | 피치(mm) | Roller Diameter (mm) | Plate Width (mm) | Pin Diameter (mm) | 핀 길이(mm) | Inner Plate Depth (mm) | Plate Thickness (mm) | Transverse Pitch (mm) | Tensile Strength (kN) | Weight/Meter (kg/m) |
|---|---|---|---|---|---|---|---|---|---|---|
| 80SP-1 | 25.40 | 15.88 | 15.75 | 7.94 | 32.7 | 36.5 | 3.2 | — | 77.5 | 2.86 |
| 100SP-1 | 31.75 | 19.05 | 18.95 | 9.54 | 40.4 | 44.7 | 4.0 | — | 115.5 | 4.21 |
| 120SP-1 | 38.10 | 22.23 | 25.22 | 11.11 | 50.3 | 54.3 | 4.8 | — | 165.0 | 6.36 |
| 140SP-1 | 44.45 | 25.40 | 25.22 | 12.71 | 54.4 | 59.0 | 5.6 | — | 222.7 | 8.04 |
| 160SP-1 | 50.80 | 28.58 | 31.55 | 14.29 | 64.8 | 69.6 | 6.4 | — | 285.6 | 10.80 |
| 200SP-1 | 63.50 | 39.68 | 37.85 | 19.85 | 80.3 | 87.2 | 8.0 | — | 445.5 | 18.00 |
| 80SP-2 | 25.40 | 15.88 | 15.75 | 7.94 | 62.7 | 65.8 | 3.2 | 29.29 | 155.0 | 5.68 |
| 100SP-2 | 31.75 | 19.05 | 18.95 | 9.54 | 76.4 | 80.5 | 4.0 | 35.76 | 231.0 | 8.34 |
| 120SP-2 | 38.10 | 22.23 | 25.22 | 11.11 | 95.8 | 99.7 | 4.8 | 45.44 | 339.0 | 12.63 |
| 140SP-2 | 44.45 | 25.40 | 25.22 | 12.71 | 103.3 | 107.9 | 5.6 | 48.87 | 445.5 | 15.92 |
| 160SP-2 | 50.80 | 28.58 | 31.55 | 14.29 | 123.3 | 128.1 | 6.4 | 58.55 | 571.0 | 21.43 |
| 200SP-2 | 63.50 | 39.68 | 37.85 | 19.85 | 151.9 | 158.8 | 8.0 | 71.55 | 892.0 | 35.00 |
| 80SP-3 | 25.40 | 15.88 | 15.75 | 7.94 | 91.7 | 95.1 | 3.2 | 29.29 | 232.5 | 8.18 |
| 100SP-3 | 31.75 | 19.05 | 18.95 | 9.54 | 112.2 | 116.3 | 4.0 | 35.76 | 347.3 | 12.47 |
| 120SP-3 | 38.10 | 22.23 | 25.22 | 11.11 | 141.4 | 145.2 | 4.8 | 45.44 | 508.0 | 18.90 |
| 140SP-3 | 44.45 | 25.40 | 25.22 | 12.71 | 152.2 | 156.8 | 5.6 | 48.87 | 668.0 | 23.84 |
| 160SP-3 | 50.80 | 28.58 | 31.55 | 14.29 | 181.8 | 186.6 | 6.4 | 58.55 | 855.5 | 32.10 |
| 200SP-3 | 63.50 | 39.68 | 37.85 | 19.85 | 223.5 | 230.4 | 8.0 | 71.55 | 1336.4 | 52.50 |
| Standard Grade | Precision Manufactured | High Speed Rated | Quality Certified | Fatigue Tested | Shot Peened | Heat Treated | Tensile Rated | Performance Proven | Reliability Assured | Weight Accurate |

2. 제품의 5가지 핵심 장점
Compact Space-Saving Design
The short pitch roller chain enables installation of complete power transmission systems within significantly reduced dimensional envelopes compared to standard pitch alternatives. The shorter pitch dimension allows smaller diameter sprockets producing equivalent speed ratios with substantially reduced overall drive train dimensions. This space efficiency proves invaluable in modern manufacturing facilities where equipment must be packaged compactly while maintaining operational efficiency. High strength short pitch roller chains accommodate the dimensional constraints of contemporary automated systems, conveyor networks, and material handling installations where space optimization directly impacts facility layout efficiency and operational productivity. The compact design characteristics enable retrofit installations in existing equipment structures without requiring extensive mechanical modifications or facility reorganization.
Superior High-Speed Performance Capability
The precision engineering characteristics of high strength short pitch roller chains enable operating speeds substantially exceeding standard chain designs without sacrificing reliability or generating excessive vibration and noise. The optimized bearing surface geometry and precision-manufactured rollers minimize friction and contact stresses during sprocket engagement across the complete speed range. Short pitch precision roller chains accommodate high-speed operations through advanced metallurgy and heat treatment processes producing rollers with exceptional roundness and surface finish quality. Balanced component design and precision manufacturing tolerances ensure that roller chains maintain smooth engagement with sprocket teeth even during sustained high-speed operation. The short pitch chain configuration demonstrates superior performance in application environments including automatic textile machinery, packaging equipment, food processing lines, and automated production systems where operational speed significantly impacts productivity and throughput capacity.
Exceptional Precision and Uniform Load Distribution
The high strength roller chain design incorporates precision-engineered components manufactured to extremely tight tolerances ensuring consistent interchangeability and optimal sprocket engagement across all chain runs. The uniform pitch spacing and balanced roller diameter prevent sudden load concentration that would accelerate wear in inferior designs. Short pitch transmission precision roller and bush chains distribute engagement forces uniformly across contact surfaces through optimized tooth geometry and advanced surface treatments. The precision manufacturing processes including shot peening, controlled hardening, and precision grinding produce components that maintain dimensional stability throughout extended operational cycles. Replacement high strength short pitch roller chains maintain identical geometric characteristics ensuring seamless performance integration into existing equipment installations without requiring sprocket modifications or alignment adjustments.
Extended Service Life Through Advanced Materials
Premium alloy steel materials combined with sophisticated heat treatment procedures produce high strength short pitch roller chains with exceptional fatigue resistance and wear durability. The optimized carbon content and alloying element concentrations provide the foundation for superior mechanical properties including tensile strength, toughness, and impact resistance. Shot peening of chain components creates compressive surface stresses that dramatically improve fatigue strength and extend service life under cyclic loading. The controlled hardening processes produce optimal hardness gradients that maximize wear resistance while maintaining necessary core toughness preventing brittle failure. Field experience demonstrates that properly maintained short pitch precision roller chains routinely achieve service lives exceeding 40,000 operating hours in high-speed applications, with many installations extending well beyond this threshold under optimal conditions.
Superior Lubrication Characteristics and Efficiency
The optimized bearing surface design of high strength roller chains enables efficient distribution of lubrication films between rollers and bushings, minimizing friction losses and reducing power consumption. The reduced contact pressures characteristic of precision-manufactured roller chains enable lighter lubrication requirements compared to inferior designs while maintaining optimal protective film coverage. The short pitch chain configuration supports effective sealed lubrication systems that prevent contamination ingress while retaining lubrication extending relubrication intervals significantly. Improved lubrication characteristics reduce operational heat generation enabling sustained high-speed operation without thermal degradation of bearing surfaces. The superior efficiency of short pitch precision roller and bush chains translates directly to reduced energy consumption and lower operational costs throughout extended service life.
3. Short Pitch Roller Chain Working Principle
The short pitch roller chain operating principle relies on precise mechanical engagement between chain rollers and optimized sprocket tooth profiles, enabling reliable power transmission through direct contact with minimal slip characteristics. The high strength roller chain incorporates cylindrical rollers manufactured to exacting tolerances that engage sequentially with sprocket teeth as the chain travels around the sprocket circumference. The pin-bushing bearing interface permits controlled rolling motion between rollers and pins during sprocket engagement, minimizing friction and wear compared to sliding contact designs. The precision engineering of the short pitch transmission precision roller and bush chains ensures that bearing surfaces maintain optimal contact pressure throughout engagement cycles, distributing mechanical stresses uniformly across component surfaces. The optimized sprocket tooth geometry specifically designed for short pitch chains maintains contact with rollers across the complete engagement arc, distributing forces over maximum bearing surfaces and extending component service life. The superior roundness and surface finish quality of precision-manufactured rollers minimize vibration transmission to adjacent equipment structures, enabling smoother operation and reduced noise generation during high-speed operation. The uniform engagement characteristics of high strength short pitch roller chains provide consistent torque delivery essential for precision equipment including automated production machinery where operational smoothness directly impacts product quality and equipment reliability.
4. Material Selection and Manufacturing Excellence
The high strength short pitch roller chains incorporate premium alloy steel materials carefully selected for exceptional mechanical properties including high tensile strength, fatigue resistance, and wear durability. The precision material sourcing procedures ensure that every batch meets rigid chemical composition specifications including precise carbon content, manganese concentration, and trace element levels contributing to superior performance characteristics. Advanced heat treatment procedures follow optimized parameters that produce hardened plate surfaces while maintaining necessary core toughness preventing brittle failure under shock loading. The pin and bushing components undergo specialized hardening processes creating optimal hardness gradients that maximize wear resistance while preserving core ductility essential for shock load absorption. Shot peening of all chain components creates compressive surface stresses that dramatically improve fatigue strength and extend service life throughout extended operational cycles. The rollers receive precision grinding to achieve specified diameters and surface finish quality that promotes smooth sprocket engagement while minimizing wear accumulation. Material traceability procedures track every batch from steel mill acquisition through completion, providing comprehensive documentation of chemical composition, mechanical properties, and heat treatment parameters. The rigorous quality control procedures include tensile strength verification, elongation testing, fatigue cycling evaluation, and visual inspection for manufacturing defects. Every replacement high strength short pitch roller chains unit undergoes final quality verification ensuring that customers receive products meeting exacting specifications and consistent performance standards.

5. Application Scenarios and Industrial Solutions
The SP series high strength short pitch roller chains address power transmission requirements across diverse industrial sectors where compact dimensions and high-speed performance create competitive advantages.
Automated Textile and Apparel Manufacturing
Textile production facilities employ short pitch roller chain wheel configurations in spinning frames, weaving looms, and fabric finishing equipment where operational speed directly impacts productivity and throughput. The high strength roller chain enables sustained high-speed operation minimizing vibration and noise in facility environments. Short pitch precision roller chains accommodate the compact equipment layouts characteristic of modern textile installations while delivering the reliable power transmission essential for fabric quality and production consistency.
Food and Beverage Processing Systems
Food manufacturing facilities utilizing conveyors high strength short pitch roller chains in product handling, bottling equipment, and packaging machinery where sanitation requirements and wash-down capability are paramount. The short pitch chain configuration enables compact conveyor systems optimizing facility layout and operational efficiency. Stainless steel variants of short pitch precision roller and bush chains comply with food industry hygiene standards while resisting corrosion from acidic products and cleaning chemicals. The superior wear characteristics of high strength roller chain ensure reliable operation throughout extended production runs.
Pharmaceutical and Chemical Manufacturing
Pharmaceutical production facilities operating in controlled environments employ new high strength short pitch roller chains in automated packaging systems, tableting machinery, and material transfer equipment where precision timing and consistency are critical. The short pitch transmission precision roller and bush chains accommodate equipment requiring pharmaceutical industry certification standards. Custom lubrication options address chemical processing environments while maintaining operational reliability throughout production cycles.
Automotive and Manufacturing Assembly Lines
Automotive manufacturing facilities utilize high strength short pitch roller chains in assembly line equipment, material conveying systems, and automated positioning machinery where production speed and dimensional precision are essential. Single row roller chain sprockets optimized for short pitch configurations accommodate the demanding speed and load requirements of automotive production. Replacement high strength short pitch roller chains maintain compatibility with existing equipment enabling seamless upgrades and maintenance operations.
Printing and Paper Products Equipment
Printing facilities and paper production plants employ short pitch precision roller chains in high-speed printing equipment, paper conveying systems, and finishing machinery where dimensional accuracy and smooth operation are critical. The short pitch chain configuration enables compact equipment designs improving facility space utilization. High strength roller chain characteristics ensure reliable operation at the elevated speeds characteristic of modern printing and paper processing equipment.
Material Handling and Logistics Equipment
Logistics facilities utilize size high strength short pitch roller chains in conveyor systems, sorting equipment, and material transfer machinery where continuous operation and reliability impact throughput capacity. The what is a roller chain question in these applications emphasizes requirements for compact, high-speed operation in facilities handling diverse product types. Roller chain conveyor systems equipped with short pitch chains deliver superior performance in automated warehouse operations and distribution centers.
6. Regulatory Compliance and International Standards
The EP-SP series high strength short pitch roller chains manufactured for deployment across Colombian and international markets comply with comprehensive sets of international standards, regional regulations, and industry-specific requirements governing mechanical power transmission equipment. In Colombia specifically, industrial machinery must conform to NTC (Normas Técnicas Colombianas) standards that align with ISO international specifications while addressing local operational requirements. The Colombian Ministry of Labor establishes occupational safety regulations requiring proper equipment guarding, maintenance procedures, and worker training addressing rotating equipment hazards including chain systems. Environmental regulations administered by the Colombian Ministry of Environment address noise emissions from industrial equipment with operating machinery subject to workplace noise level limits protecting worker hearing. Food processing and pharmaceutical manufacturing applications must comply with specialized Colombian food industry regulations addressing sanitation, contamination prevention, and equipment reliability standards. The short pitch precision roller chains manufactured conform to ISO 606 international standards ensuring interchangeability and proper sprocket engagement across equipment from different manufacturers. ANSI standards address American market requirements while DIN standards serve European installations. Professional third-party testing and certification procedures verify that chains meet specified tensile strength, elongation, and fatigue performance standards. Documentation accompanying each order provides evidence of compliance with applicable standards and maintenance guidance for proper equipment operation.
7. Technical Excellence and Quality Assurance
Our manufacturing operations combine state-of-the-art production equipment, skilled engineering personnel, and comprehensive quality management systems delivering short pitch roller chain products of exceptional quality and consistent performance. The production facility encompasses precision chain manufacturing equipment, heat treatment furnaces with atmosphere monitoring, shot peening systems, and comprehensive testing laboratories verifying product specifications. CNC machining centers produce plate and pin components to exacting tolerances ensuring consistent interchangeability and proper sprocket engagement. Heat treatment procedures follow carefully controlled parameters producing optimal hardness and fatigue resistance characteristics. Tensile testing equipment verifies that manufactured chains meet or exceed specified strength ratings with adequate safety factors. Fatigue testing procedures simulate extended operational cycles validating reliability under cyclic loading expected in customer applications. The technical team includes mechanical engineers specializing in power transmission design, material scientists optimizing alloy selections and heat treatment, and quality specialists implementing statistical process control. ISO 9001 certification demonstrates conformance to international quality management standards. This comprehensive manufacturing commitment ensures that every high strength short pitch roller chain delivers reliable performance throughout extended operational service life.
작업장




8. Complementary Power Transmission Products
Beyond our comprehensive short pitch roller chain product portfolio, we manufacture complementary power transmission components enabling complete drive system solutions from a single integrated supplier.
Precision Sprocket Solutions
Our extensive 스프로켓 manufacturing produces components optimized for engagement with short pitch roller chains. Tooth profile optimization ensures smooth engagement minimizing noise and wear while distributing contact stresses across maximum bearing surfaces. Material selection accommodates various load requirements and operating conditions enabling tailored drive system solutions.

Advanced Gearing Systems
The gear product division manufactures spur, helical, bevel, and worm gears for diverse power transmission applications. Precision manufacturing and advanced heat treatment processes produce gears with exceptional fatigue strength. Integration of chain and gear components enables complete system optimization where chains deliver power to gearbox input shafts.

자주 묻는 질문
Q1. What distinguishes short pitch roller chain from standard pitch designs for high-speed applications?
The short pitch roller chain incorporates shorter pitch dimensions enabling use of smaller diameter sprockets while transmitting equivalent loads compared to standard pitch alternatives. This compact configuration proves particularly valuable in high-speed applications where smaller sprocket diameters reduce centrifugal forces and enable higher peripheral velocities. The precision engineering of high strength short pitch roller chains enables operating speeds substantially exceeding standard designs while maintaining reliability and smooth operation.
Q2. How do replacement high strength short pitch roller chains compare in performance to original equipment specifications?
Replacement high strength short pitch roller chains manufactured to original equipment specifications maintain perfect compatibility while delivering performance advantages through refined manufacturing processes and advanced materials. The what is a roller chain question in replacement scenarios emphasizes maintaining dimensional accuracy and functional compatibility. Proper specification of replacement chains ensures seamless performance integration without requiring equipment modifications or adjustments.
Q3. What is the difference between a silent chain and a roller chain in high-speed applications?
Silent chains utilize angled tooth profiles enabling gradual engagement reducing noise and vibration compared to roller chains with direct tooth engagement. However, short pitch roller chain designs incorporating precision engineering deliver noise and vibration performance approaching silent chain characteristics while providing superior load capacity. The selection between silent chains and high strength short pitch roller chains depends on specific application requirements for load capacity, noise restrictions, and operational speed.
Q4. How do short pitch precision roller and bush chains improve conveyor system efficiency in industrial facilities?
The optimized bearing characteristics of short pitch precision roller and bush chains minimize friction losses enabling lighter lubrication requirements and reduced power consumption throughout extended operation. The reduced contact pressures characteristic of precision-manufactured chains enable sealed lubrication systems preventing contamination while extending relubrication intervals. Superior efficiency translates directly to reduced energy costs and improved operational sustainability in high-volume manufacturing facilities.
Q5. How do roller chain standards ensure compatibility and interchangeability in maintenance and replacement operations?
Roller chain standards established by ISO and ANSI organizations define pitch dimensions, plate heights, roller diameters, and other geometric characteristics ensuring interchangeability across manufacturers. These standards enable maintenance personnel to specify replacement chains confidently knowing that products meeting standard specifications will function correctly in existing equipment. Professional adherence to roller chain standards eliminates compatibility concerns during equipment maintenance and upgrades.
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