Описание
European Standard Series · Pressure Angle 20° · Type A
EP-Bevel Gear — Ratio 1:4
Precision-manufactured Metal Bevel Gear engineered for demanding power transmission applications, delivering accurate 90° direction change with a 1:4 speed reduction ratio.
1. Технические характеристики
Type A | Pressure Angle: 20° | Ratio: 1:4 | Material: C45 Steel
All dimensions in millimeters (mm). Z=16 rows are the pinion; Z=64 rows are the mating wheel.
| M | Z | De (mm) | Dp (mm) | A (mm) | F (mm) | Dn (mm) | D1 (mm) | Dm (mm) | Л (мм) | Lm (mm) |
|---|---|---|---|---|---|---|---|---|---|---|
| 1.5 | 16 | 26.9 | 24 | 25 | 12 | 18 | 10 | 61.1 | 24 | 12.2 |
| 64 | 96.7 | 96 | 25 | 12 | 60 | 15 | 33 | 22 | 13 | |
| 2 | 16 | 35.9 | 32 | 24 | 15 | 25 | 12 | 73.1 | 23 | 8.5 |
| 64 | 129.0 | 128 | 28 | 15 | 70 | 20 | 38.9 | 24 | 14 | |
| 2.5 | 16 | 44.9 | 40 | 30.5 | 18 | 34 | 15 | 92.6 | 29 | 11.7 |
| 64 | 161.2 | 160 | 35 | 18 | 80 | 20 | 48.8 | 30 | 16 | |
| 3 | 16 | 53.8 | 48 | 32 | 20 | 40 | 15 | 108 | 30 | 11.1 |
| 64 | 193.5 | 192 | 42 | 20 | 90 | 20 | 58.8 | 36 | 22 | |
| 3.5 | 16 | 62.8 | 56 | 40 | 25 | 45 | 15 | 127.1 | 38 | 14 |
| 64 | 225.7 | 224 | 50 | 25 | 100 | 25 | 69.3 | 43 | 22 | |
| 4 | 16 | 71.7 | 64 | 50 | 30 | 50 | 20 | 148.2 | 48 | 18.5 |
| 64 | 257.9 | 256 | 60 | 30 | 110 | 28 | 81.8 | 52 | 30 | |
| 4.5 | 16 | 80.7 | 72 | 55 | 32 | 60 | 20 | 167.1 | 53 | 21.6 |
| 64 | 290.1 | 288 | 65 | 32 | 120 | 30 | 89.8 | 57 | 35 | |
| 5 | 16 | 89.7 | 80 | 60 | 35 | 65 | 20 | 185.1 | 58 | 23.2 |
| 64 | 322.4 | 320 | 70 | 35 | 120 | 30 | 97.7 | 61 | 42 |
Column guide: M = Module | Z = Number of Teeth | De = External Diameter | Dp = Pitch Diameter | A = Mounting Distance | F = Face Width | Dn = Hub Diameter | D1 = Bore Diameter | Dm = Back Cone Distance | L = Hub Length | Lm = Mean Cone Distance
2. What Is a Bevel Gear?
А bevel gear is a precision mechanical component designed to transmit rotational motion and torque between intersecting shafts, typically at a 90° angle. Unlike spur or helical gears that work on parallel axes, this gear type features conically shaped teeth that allow engineers to change the direction of power flow efficiently. This makes them indispensable across countless industrial, agricultural, and automation systems where shaft orientation must shift without sacrificing torque integrity.
The EP-Bevel Gear European Standard Series — Ratio 1:4 is a high-precision small metal bevel gear that pairs a pinion (Z=16 teeth) with a mating wheel (Z=64 teeth) to achieve a 4:1 speed reduction. Manufactured to DIN and ISO European standards, each gear set delivers dimensional consistency that allows direct interchangeability across compatible drive systems. Whether you are building industrial machinery, agricultural equipment, or precision automation systems in Colombia or across Latin America, this drive component provides reliable, long-service-life performance.
The material of choice is C45 medium-carbon steel, machined to exacting tolerances with a 20° pressure angle — a configuration that balances tooth strength, smooth engagement, and load-carrying capacity far better than older 14.5° designs. Engineers who need a custom bevel gear configuration for high-load or special environments will find this European Standard Series serves as a robust baseline, while stainless steel bevel gears and other materials remain available on request.
3. Five Key Advantages of the EP-Bevel Gear (Ratio 1:4)
① Precise 20° Pressure Angle
The 20° pressure angle profile on each tooth provides superior load distribution, reduces undercut risk on smaller pinions, and delivers smoother, quieter meshing compared to legacy profiles. This geometry directly extends gear life under continuous cyclic loading common in industrial drives.
② C45 Steel for High-Power Applications
Machined from C45 medium-carbon steel, these metal bevel gear parts offer an ideal combination of tensile strength and machinability. After heat treatment, surface hardness significantly improves wear resistance, making the gear set suitable for high power metal bevel gears applications where surface fatigue would otherwise limit service intervals.
③ Full European Standard Dimensional Compliance
Manufactured strictly to European metric standards (DIN/ISO), every dimension — from the external diameter De to the back cone distance Dm — is precisely controlled. This ensures that the bevel gear set integrates seamlessly with existing European-standard gearboxes and drive assemblies without costly custom adaptation.
④ Wide Module Range (M1.5 to M5)
The series covers modules from 1.5 through 5, giving engineers the ability to select the right tooth size for their torque and speed requirements. Smaller modules suit compact precision devices and mini metal bevel gear assemblies, while larger modules handle the torque demands of heavy equipment and agricultural drives.
⑤ Ready-to-Ship Stock Availability
All standard Ratio 1:4 bevel gear sets are available as off-the-shelf stock items for immediate delivery, reducing lead times for maintenance replacements and new build projects. A full range of compatible sprockets and chains are also available from the same product family, enabling a complete one-stop supply for your power transmission system.
4. How Does a Metal Bevel Gear Work?
Understanding how metal bevel gear works begins with the cone geometry. Each gear in this family is shaped like a truncated cone (a frustum), with teeth cut on the conical surface. When two bevel gears are meshed with their axes intersecting at a right angle — typically 90° — the rotation of one gear causes the other to rotate on a perpendicular axis. This angular redirection is the defining function of the mechanism.
In the Ratio 1:4 configuration, the pinion carries 16 teeth while the mating wheel carries 64 teeth. For every single complete revolution of the larger wheel, the pinion completes four revolutions — or conversely, if you drive through the pinion, the wheel turns at one-quarter the input speed while multiplying torque by a factor approaching four (minus frictional losses). This speed reduction with torque multiplication is what makes the metal bevel gear set so valuable in gearbox stages where rotary motion from a motor needs to drive a slower, high-torque output shaft at a right angle.
The 20° pressure angle on the tooth flanks controls the force direction during meshing. A higher pressure angle — as used here compared to older 14.5° designs — creates stronger tooth roots capable of handling more load before yielding, while generating slightly higher bearing radial loads. Engineering teams selecting this type of gear for industrial machines in Colombia and elsewhere should account for these bearing loads when sizing shaft support systems.
The Type A body form used in this series features a straight bore with a keyway, providing solid shaft engagement without slippage under load. Dimensional parameters including the pitch diameter (Dp), external diameter (De), cone distance (Dm), hub length (L), and face width (F) are all set to DIN standards, ensuring that the gear’s working geometry produces accurate, efficient tooth contact along the full face width during operation.
5. Material & Surface Properties
Every gear in the EP-Bevel Gear European Standard Series is produced from C45 medium-carbon steel (equivalent to SAE 1045 or DIN C45E). This grade is widely favored for mechanical drive components due to its well-rounded combination of mechanical properties and cost-effectiveness in high-volume production environments.
C45 steel delivers a tensile strength of approximately 600–800 MPa in the normalized condition, with yield strength around 340–490 MPa. After induction hardening or through-hardening — processes applied to the tooth flanks and root areas — surface hardness can reach HRC 48–58, dramatically extending resistance to surface fatigue (pitting) and wear that would otherwise occur under cyclic tooth contact stress.
The material provides excellent machinability, allowing the tight dimensional tolerances demanded by European gear standards to be held consistently across production batches. This consistency is what makes components from this series directly interchangeable within the same module and ratio group without the need for selective fitting or regrinding.
For applications requiring corrosion resistance — such as food processing, marine environments, or certain chemical handling equipment — stainless steel bevel gears manufactured from SUS304 or SUS316 are available upon request, as is surface coating treatment including zinc plating and black oxidation for additional environmental protection.
6. Metal Bevel Gear Applications
The metal bevel gear application range is remarkably broad. The Ratio 1:4 configuration is particularly well-matched to scenarios where a fast-rotating motor output must be converted into a slower, high-torque angular drive. Below are the principal industries and use cases where this gear set delivers proven value.
Agricultural Machinery
In harvesting equipment, tillers, and irrigation pumps widely used across Colombian agricultural regions, these gear sets transmit drive from horizontal engine shafts to vertical or transverse working shafts. The 1:4 reduction ratio allows high-speed PTO shafts to drive slower augers, conveyors, and cutting mechanisms at appropriate working speeds without an additional gearbox stage.
Industrial Conveyors & Packaging Lines
Manufacturing plants in Bogotá, Medellín, and Cali rely on right-angle drive components to redirect drive from centralized motor lines to subsidiary conveyor belts running at right angles to the main production flow. The 1:4 ratio reduces belt speed while increasing the torque available to overcome loaded belt resistance and gravity on inclined conveyor sections.
Construction Equipment
Heavy metal bevel gear sets in the M3.5 to M5 module range are frequently found inside concrete mixers, road graders, and crane slew drives. Here the 1:4 ratio helps slow the rotation of the drum or working tool to the appropriate operational speed while the high torque output handles the resistive loads generated by wet concrete, earth, or lifted loads.
Automotive & Vehicle Differentials
Bevel gears serve as the fundamental building block of automotive differentials, allowing drive wheels to rotate at different speeds during cornering. Smaller gear set types from this series are also found inside power steering assemblies, speedometer drives, and four-wheel-drive transfer cases where compact size and precise mesh geometry matter most.
Printing & Textile Machinery
Precision drive sets in smaller modules (M1.5–M2.5) are used extensively in printing press roll drives and textile looms where synchronized, consistent angular velocity across multiple perpendicular axes is critical to product quality. The smooth engagement provided by the 20° pressure angle profile reduces vibration-induced print registration errors and yarn tension variations.
Marine & Pump Drives
Propeller shaft drives, bilge pump systems, and marine deck machinery frequently incorporate bevel gear sets to redirect engine output to the shaft. Corrosion-resistant variants using stainless steel bevel gears are preferred for saltwater environments, while the C45 version suits freshwater or protected pump drives in water treatment plants and irrigation infrastructure.
7. Regulatory Compliance & Industry Standards
Gears and mechanical power transmission components are subject to a range of national and international regulations depending on the country of operation and the end-use application. Understanding these requirements is essential for procurement teams, maintenance engineers, and OEM designers selecting bevel gear sets for industrial use.
Colombia (ICONTEC Standards): In Colombia, the Instituto Colombiano de Normas Técnicas y Certificación (ICONTEC) issues national technical standards, several of which align with ISO gear quality and dimensional requirements. Mechanical components used in pressure vessels, lifting equipment, and safety-critical machinery must comply with applicable ICONTEC and NTC (Normas Técnicas Colombianas) regulations. Additionally, machinery imported into Colombia for industrial use may be subject to certification under INVIMA (for food-contact equipment) or inspections by the Ministerio del Trabajo for occupational safety compliance under Decreto 1072 de 2015 (Decreto Único Reglamentario del Sector Trabajo).
European Union (CE Marking / Machinery Directive 2006/42/EC): The EP-Bevel Gear European Standard Series is dimensionally manufactured to DIN and ISO European standards. Equipment incorporating these gears and placed on the EU market must comply with the Machinery Directive (MD) 2006/42/EC, which requires CE marking of the final assembly. Gear components themselves are not independently CE-marked, but they form part of the certified mechanical subsystem.
ISO 23509 — Bevel and Hypoid Gear Geometry: This international standard governs the geometric design of bevel gears worldwide. The parameters in our EP-Bevel Gear datasheets — including pressure angle, module, pitch cone angle, and tooth form — conform to ISO 23509 definitions, ensuring global interoperability and design verifiability.
AGMA Standards (United States): For North American markets, the American Gear Manufacturers Association (AGMA) publishes standards including AGMA 2005 (Design Manual for Bevel Gears) and AGMA 2001 (Fundamental Rating Factors for Gear Teeth). Products in this series are designed to be dimensionally compatible with AGMA metric gear requirements, easing integration into mixed-standard drive trains.
Brazil (ABNT NBR Standards): Brazilian buyers must adhere to Associação Brasileira de Normas Técnicas (ABNT) standards governing mechanical component quality and material certification for machines operating in regulated industries. NBR ISO standards parallel many ISO gear requirements.
Buyers are strongly advised to verify that the specific bevel gear set module and rating selected complies with the applicable local safety and mechanical standards for their end application, particularly in food processing, mining, pharmaceutical manufacturing, and occupational safety-regulated environments.
8. О нас
We are a specialist manufacturer and global supplier of precision mechanical power transmission components, with over two decades of engineering experience serving industries ranging from heavy industrial machinery to precision automation. Our production facilities are equipped with modern CNC hobbing, grinding, and quality inspection equipment calibrated to ISO and DIN standards, ensuring that every metal bevel gear, sprocket, and chain that leaves our plant meets the dimensional and material tolerances our customers depend on.
Our engineering team works closely with customers to identify the right gear specifications for their application, whether that means selecting from our comprehensive stock range of standard European Series products or developing a custom bevel gear solution for unique drive geometries, unusual ratios, or specialty materials including stainless steel bevel gears. We supply distributors, OEM equipment builders, and maintenance departments directly from stock, with fast international shipping to Colombia, Latin America, Europe, and beyond.
Quality assurance is integrated into every production stage — from incoming raw material inspection (chemical composition and hardness verification) through in-process dimensional checks to final gear quality grading per ISO 1328. Our commitment is to deliver metal bevel gear sets and related drive components that perform reliably for the full intended service life, minimizing unplanned downtime and maintenance costs for our customers.
Мастер-класс
9. Complete Your Drive System — Related Products
A bevel gear set works best as part of a complete, well-matched power transmission system. We supply the full range of drive components — from right-angle gear sets to sprockets and roller chains — ensuring system compatibility, matched quality levels, and the convenience of single-source procurement for your entire drivetrain. Below are two of our complementary product families that are commonly specified alongside bevel gear sets.
Sprockets — European Standard Series
When your bevel gear set drives a secondary shaft that then feeds a chain conveyor or timing drive, you will need a correctly matched sprocket. Our European Standard Series sprockets are manufactured from the same C45 steel, conform to ISO/R 606 chain pitch standards, and are available in finished bore configurations for rapid assembly. Combining our bevel gears and sprockets from a single supplier eliminates inter-supplier tolerance stack-ups and simplifies procurement.
Роликовая цепь — Full Series
Roller chain is the ideal power transmission element to pair with sprocket output stages driven through a bevel gear set. Our European Standard roller chains are manufactured to DIN 8187 and ISO 606 pitch standards, using hardened pins, precision bushings, and case-hardened link plates that deliver reliable service life in both clean and moderately contaminated industrial environments. Ordering bevel gears, sprockets, and chain together ensures all three components are dimensionally matched from a single source.
Часто задаваемые вопросы
Редактор: PXY
