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Bevel gearboxes

Product catalog summary

Overview: The document is a comprehensive product catalogue for ATEK's hypoid gearboxes, detailing various types such as miniature bevel gearboxes, worm gearboxes, gearbox motors, servo gearboxes, special gearboxes, bevel gearboxes, hygiene-design gearboxes, and ATEX gearboxes. It includes specifications, construction features, and ordering information for bevel gearboxes.

1. Bevel Gearboxes:

Type Overview: Gear ratios range from 1:1 to 6:1 with a maximum output torque of 5400 Nm. There are 9 sizes with edge lengths from 065 to 350 mm. They feature low-backlash (<6 angular minutes) and are made from grey cast iron or steel.
General Construction: Designed for step-down or step-up with axles intersecting at 90°, featuring high-quality spiral toothing for high loads and smooth operation.
Construction Types: Modular system allows for various configurations based on shaft type, number, and rotational direction. Threaded mounting holes on all sides enable flexible installation.
Efficiency: Single gear set gearboxes achieve 97% efficiency, while multiple gear meshings achieve 94%.
Lubrication: Varies based on size, speed, and application, with specific oil quantities and viscosities provided.
Vent Filter: Required for certain configurations, delivered with a vent filter to be mounted before use.
Low-backlash Construction: Available upon request, with circumferential backlash measured in arc minutes.

2. Type V – Standard Bevel Gearboxes:

Features: Gear ratios from 1:1 to 6:1, maximum output torque of 5400 Nm, and low-backlash construction. Housing is made of grey cast iron or steel.
Models and Order Code: Order code reflects customer specifications, including size, gear ratio, model, fixing side, installation position, and speed.

3. Technical Data: Detailed tables provide data on speed, power, and torque for various gearbox sizes and gear ratios, highlighting performance capabilities under different operational conditions.

Specifications:

Hollow shaft: Not deliverable.
Radial shaft seal ring: NBR, form A.
Ambient temperature: -10°C to +90°C, performance values valid at +20°C.
Circumferential backlash: Less than 30 arcmin.
Protection class: IP 54.
Corrosion protection: Prime coat with layer thickness greater than 40 µm.
Bearing life: L10h more than 15,000 hours.
Oil change intervals: Not required if oil temperature is below 90°C. Changing oil after the first 500 service hours and then every 5000 hours can increase bearing life by 1.5 times.
Lubricant: Synthetic lubricants.

Performance Data:

Gear ratio: 1.5:1 to 2:1.
Housing/Flanges: Made of grey cast iron or steel.
Shaft material: 1 C45, shaft ends greased, fit with ISO 6 tolerance and parallel keyway according to DIN 6885 Sheet 1.
Bevel gear set: Spiral-toothed.
Maximum output torque: 2310 Nm.
Low-backlash construction: Less than 6 angular minutes possible.
Suitable for fitting IEC standard motors.

Models and Inertia:

Various models (B0, C0, D0, G0, H0, J0) with different inertia moments and mass.
Inertia moment J2 related to the slowly rotating shaft (N2).

Tables and Graphs: Performance tables provide detailed data on permissible radial and axial forces, torque, and power for different models and configurations. Graphs illustrate the relationship between speed (n1, n2), torque (T1N, T2N), and forces (Fr, Fa) for various gearbox models.

Additional Features: Gearbox sides and order codes are specified for customization. Overview of performance data includes power (P1), speed (n2), torque (T2), and gearbox size.

Specifications:

Shaft Material: 1 C45, greased, with ISO 6 and ISO 7 tolerance for parallel keyway according to DIN 6885 Sheet 1.
Radial Shaft Seal Ring: NBR, form A.
Ambient Temperature: -10°C to +90°C, performance values valid at +20°C.
Circumferential Backlash: Less than 30 arcmin.
Protection Class: IP 54.
Corrosion Protection: Prime coat with layer thickness greater than 40 µm.
Bearing Life: L10h more than 15,000 hours.
Oil Change Intervals: Not required if oil temperature is below 90°C; lifetime can be increased by changing oil after the first 500 service hours and then every 5000 hours.
Lubricants: Synthetic lubricants.
Flange: Suited for mounting IEC motors.
Coupling: Three-piece claw coupling.

Performance Data:

Gear Ratios: 1:1 to 6:1.
Power and Torque: Detailed performance tables provided for various RPMs and gear ratios.
Maximum Torque (T2max): Varies with gear ratio, up to 1500 Nm.
Permissible Forces: Radial and axial forces specified for different RPMs.

Models and Dimensions:

Various models (A0, B0, C0, etc.) with specific inertia moments and mass.
Shaft dimensions and mounting details provided for different IEC motor models.
Implementation details for different types (e.g., Type VL 160, VL 200, VL 230) with flange for motor mounting.

Additional Notes:

Gear ratios 3:1 through 6:1 require intermediate flange or shortened motor shaft.
Detailed tables and diagrams provided for performance data and model dimensions.

Specifications: The document outlines the specifications for various types of bevel gearboxes, including the Type VL 260 and Type HDV. The gearboxes are designed for motor mounting and are available with gear ratios ranging from 1:1 to 6:1. The housing is made of grey cast iron, and the shafts are made of material 1 C45 with ISO tolerance fits. The ambient temperature range is -10°C to +90°C, and the protection class is IP 54.

Procedures: Oil change intervals are specified to increase bearing life, with recommendations for changing oil after the first 500 service hours and then every 5000 hours. The document also details the installation positions and the preferred direction of rotation to minimize noise.

Standards and Norms: The gearboxes adhere to various DIN standards, including DIN 6885 for keyways and ISO tolerances for shaft fits. The document also specifies the use of synthetic lubricants and NOTOX lubrication for hygiene-design gearboxes.

Recommendations: For optimal performance, it is recommended to maintain oil temperatures below 90°C and to follow the specified installation positions. The document also suggests using the clockwise direction of rotation to achieve lower noise levels.

Data and Tables: The document includes detailed tables with performance data, including inertia moments, permissible forces, and efficiency ratings. It also provides order codes and dimensions for various gearbox models.

Hygiene-Design Gearboxes: The HDV series is designed for use in food and pharmaceutical industries, featuring stainless steel construction and low-backlash design. These gearboxes have a maximum output torque of 430 Nm and are available in sizes with edge lengths from 065 to 140 mm.

Overview: This document provides technical specifications and guidelines for various types of gearboxes, including hygiene-design bevel gearboxes and hypoid gearboxes. It includes details on gear ratios, materials, dimensions, and performance data.

Specifications:

Gear Ratios: Bevel gearboxes offer ratios from 1:1 to 6:1, while hypoid gearboxes range from 8:1 to 15:1.
Materials: Gearbox housings are made of aluminium, with shafts made of steel or casting. Specific materials like 1.4305 and C45 are used for shafts.
Dimensions: Detailed dimensions are provided for various models, including shaft diameters and lengths.

Performance Data:

Torque and Speed: Performance tables indicate permissible torques and speeds for different gear ratios and gearbox sizes.
Efficiency: Hypoid gearboxes have an efficiency of about 95% under nominal load conditions.

Procedures and Recommendations:

Installation: Gearboxes can be installed in various positions, with horizontal shaft alignment recommended.
Lubrication: Gearboxes are equipped with lifetime lubrication, and specific lubricants are recommended.
Backlash: Low-backlash construction is available, with circumferential backlash measured in arc minutes.

Standards and Compliance:

Protection Class: Gearboxes comply with IP 54 or IP 56 protection standards.
Temperature Range: Operational temperature ranges from -10°C to +90°C, with performance data valid at +20°C.

Additional Features:

Customization: Threaded mounting holes and other features can be customized according to customer specifications.
Corrosion Protection: Options for corrosion protection are available.

Specifications:

Corrosion Protection: Prime coat with a layer thickness greater than 40 µm.
Bearing Life: L10h exceeds 15,000 hours.
Oil Change Intervals: Not required if oil temperature is maintained below 90°C. Changing oil after the first 500 service hours and then every 5000 hours can increase bearing life by 1.5 times.
Lubricants: Use synthetic lubricants.

Performance Data:

Gear Ratios: Available from 8:1 to 15:1.
Permissible Forces: Radial force (Fr2) and axial force (Fa2) vary by model and gear ratio, with maximum values reaching up to 22,500 N for Fr2 and 11,250 N for Fa2.
Inertia Moments: Vary by model and gear ratio, with values ranging from 0.17 kgcm² to 27.07 kgcm².

Model Characteristics:

Type H 090 to H 260: Standard hypoid gearboxes with spiral-toothed, hardened hypoid bevel gears.
Housing/Flanges: Made from aluminum, steel, or casting.
Shaft Material: C45, with shaft ends greased and fit with ISO 6 tolerance.
Radial Shaft Seal Ring: NBR, form A.
Ambient Temperature Range: -10°C to +90°C, with performance tables valid at +20°C.
Circumferential Backlash: Less than 4 arcmin.
Protection Class: IP 54.

Recommendations:

Regularly monitor oil temperature to avoid unnecessary oil changes.
Ensure proper installation and maintenance to achieve optimal bearing life.
Select appropriate gear ratio and model based on application requirements to maximize performance and efficiency.

Catalog excerpts

Product Catalogue Miniature bevel gearboxes Bevel gearboxes Hypoid gearboxes Worm gearboxes Gearbox motors Special gearboxes ATEX gearboxes Gear sets Service Service Servo gearboxes (precision gearboxes) hypoid gearboxes Hygiene-design gearboxes

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6.1 Type overview Type V – Standard bevel gearboxes Gear ratios: i = 1:1 to 6:1 Maximum output torque: 5400 Nm 9 gearbox sizes with edge lengths of 065 to 350 mm Low-backlash construction < 6 angular minutes possible Housing made of grey cast iron or steel Type VS – Type V with step-up ratio Gear ratios: i = 1:1.5 and 1:2 Maximum output torque: 1200 Nm 6 gearbox sizes with edge lengths of 090 to 260 mm Low-backlash construction < 10 angular minutes possible Larger shaft diameter (N2), slowly rotating Housing made of grey cast iron or steel Type VL – Type V with flange Gear ratios: i = 1:1 to...

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A bevel gearbox enables alternatively stepping-down or stepping-up. The axles intersect in the gearbox in an angle of 90°. The edge length of the housing is reflected in the gearbox size (example: V 120 - housing edge length 120 mm). 6.2.1 Toothing ATEK bevel gearboxes have gear sets with high-quality spiral toothing made of hardened carburised steel. A gear set comprises one bevel pinion (small number of teeth / small diameter) and one bevel gear (large number of teeth / large diameter). Gear sets with spiral toothing offer the advantage of very favourable engagement factors (high meshing ratio)....

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6.2.7 Efficiency The achievable efficiency depends on rotational speed, torque, installation position, sealing, and lubricant type. With gearboxes having only one gear set, an efficiency of 97% can be achieved. With gearboxes having several gear meshings, an efficiency of 94% can be achieved. The efficiencies specified in the tables relate to the permissible nominal load and are guidance values for run-in gearboxes at operating temperature with standard sealing. 6.2.8 Lubrication With the bevel gearboxes, different conditions for the lubrication will arise depending on gearbox size, rotational...

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6.2.9 Vent filter If venting is required (B1 or C1) the gearboxes will be delivered with a vent filter. The vent bores will be equipped with screw plugs for transport. The vent filter will be enclosed as a separate item and must be mounted in the intended position prior to commissioning. An elbow may be required. Please adhere to the operating instructions! The position of the filter will be specified in the order documents. Please refer to the following table for the position of the filter. The meaning here, for example: /B1-E4 = oil viscosity 220; vent filter on side 4. 6.2.10 Low-backlash...

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Gear ratios: i = 1:1 to 6:1 Maximum output torque: 5400 Nm 9 gearbox sizes with edge lengths of 065 to 350 mm Low-backlash construction < 6 angular minutes possible Housing made of grey cast iron or steel 065 - 140 mm 6.3.3 Gearbox sides The example shows the Model C0 6.3.4 Order code The order code reflects the customer specifications. Example: Housing edge Table 6.3.5-1 Figure 6.3.2-1; Gearbox side Gearbox side Slowly rotating on which fixing is made; Table 6.2.3-1; Figure 4.3.1-1; Gearbox sides directed downwards; Figure 4.3.1-1; Gearbox sides

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Performance data PlNt [kW] Permissible radial force Fri and axial force Fai on shaft Ni < 12 Permissible radial force Fr2 and axial force Fa2 on shaft N2 < 12 Inertia moments/mass Inertia moment ^ related to the fast-rotating shaft (Ni)

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6.3.6 Type V 065 – Standard bevel gearboxes Model 6 Gear ratio The dimensions of the Models not shown can be figured by mirroring available dimensions.

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Contour of the countershaft Kontur der Gegenwelle Bevel gearboxes

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Permissible radial force Fr2 and axial force Fa2 on shaft N2 > 30 Inertia moments/mass Inertia moment ^ related to the fast-rotating shaft (Ni)

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The dimensions of the Models not shown can be figured by mirroring available dimensions.

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Contourder the countershaft Kontur of Gegenwelle Bevel gearboxes

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6.3.8 Type V 120 – Standard bevel gearboxes Characteristics Characteristic Spiral toothed bevel gear set Gear ratio Housing / Flanges Grey cast iron; steel Threaded mounting hole On all housing surfaces without flange and on all flanges. Material 1 C45, shaft ends greased Fit with ISO 6 tolerance with parallel keyway: according to DIN 6885 Sheet 1 Hollow shaft Material 1 C45, shafts greased Fit with ISO 7 tolerance with parallel keyway: according to DIN 6885 Sheet 1 Radial shaft seal ring Ambient temperature - 10°C to +90°C. The values of the performance tables are valid for +20°C Circumferential...

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Permissible radial force Fri and axial force Fai on shaft Ni > 80 Permissible radial force Fr2 and axial force Fa2 on shaft N2 > 80 Inertia moments/mass Inertia moment ^ related to the fast-rotating shaft (Ni)

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The dimensions of the Models not shown can be figured by mirroring available dimensions.

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Contour of the countershaft Kontur der Gegenwelle Bevel gearboxes

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Permissible radial force Fr1 and axial force Fa1 on shaft N1 n1 [rpm] T2 [Nm] Permissible radial force Fr2 and axial force Fa2 on shaft N2 n2 [rpm] Inertia moments/mass Inertia moment J1 related to the fast-rotating shaft (N1) Bevel gearboxes

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6.3.9 Type V 140 – Standard bevel gearboxes Gear ratio The dimensions of the Models not shown can be figured by mirroring available dimensions.

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Characteristics Characteristic

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The dimensions of the Models not shown can be figured by mirroring available dimensions.

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Contourder the countershaft Kontur of Gegenwelle Bevel gearboxes

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Characteristics Characteristic

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