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Heavy duty gears - H series
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Horizontal helical gearbox up to 470,000 Nm
The H series gearboxes are used in industrial applications where high loads are required. The H series is designed to maximise performance in the smallest possible space. In order to achieve this and to be used in any installation position, additional cooling and / or a modified type of lubrication is often necessary of the gearbox is necessary. Various options are available, such as:
oil expansion tanks, fans, cooling coils, water/oil heat exchangers with external pump, water/oil heat exchangers with shaft end pump and air/oil heat exchanger. We would like to take this opportunity to point out that in every extruder variant in a reinforced version is also available from JS-Technik in every standard size.

horizontal helical gearbox in extruder design
Horizontal helical gearbox - accessories
The following accessories can be supplied for H series gear units:
- IEC B5 motor flange
- Output flange
- Shrink disc
- Backstop
- Flexible or hydraulic coupling between motor and gearbox
- Pressure lubrication (integrated or external)
- Cooling with external oil/water heat exchanger
- Cooling with integrated cooling coil
- Cooling with integrated fan
- Cooling with external air/oil heat exchanger
- oil heater
- Temperature sensor
- Temperature switch
- oil flow sensor
- oil filter
- Different sealing systems
- Glass oil level indicator
- oil expansion tank

Horizontal spur gear with IEC flange
Torques and applications
Horizontal helical gearboxes are available in numerous variants and in torque sizes from 3,000 Nm to 470,000 Nm. The most common form of application is in combination with a three-phase motor. This is mounted directly to the gearbox via an IEC B5 flange.mounted directly on the gearbox. For larger "gearbox with motor versions", we offer the option of combining this with a motor couplingpre-assembledon a base frame.

Horizontal helical gearboxes in standard design
Cooling variants
Here you can see an overview of the cooling options for horizontal helical gearboxes.
SEO=Horizontal spur gearbox up to 470,000Nm, Horizontal spur gearbox up to 470,000Nm
