China Best Famous Right Angle Gear Unit Factories - double screw extruder gear units – Intech

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China Best Famous Right Angle Gear Unit Factories - double screw extruder gear units – Intech Detail:

Sizes:
61 G5070, 73 G 9000, 93 G 17850, 108G 28100, TG3. Sizes 50 to 750
73 F to 133 F sizes 7500 to 45000
 Gear unit with maximum power performance
 Short delivery times thanks to consistent standardisation of the housings and interior parts
 Center-distance modifications can be realised fast and with minimum engineering effort and expense.
Helical gear units for double-screw extruders with parallel drive shafts and the same direction of screw rotation are available in several sizes in the performance range between 200 and 35 000 Nm per shaft and for up to 20 000 kW. They are used mainly in the manufacture of granulates and the refining of raw plastics as well as in the paint and lacquer industry and in the washing agent, foodstuff and animal-feed industries.
Extruder gear units are the best drive in all cases, because they are high-performing and reliable. Because of their long service life and their need for little maintenance work, they represent an economically attractive solution worldwide.
Helical gear units for double-screw extruders are also extremely standardised and allow customer-specific configurations without any problem. For instance center-distance modifications can be realised with very little construction effort and expense, so enabling cost-optimised customer-specific variants.
Double-screw extruder (synchronous)
To be able to absorb the very high torques and axial forces set up by the extrusion process, we have developed an extruder gear unit with a double power-splitting system and special thrust bearings. The bearing system can consist of up to eight thrust bearings layered one behind the other. Output torques of from 200 to 35,000 Nm and center distances between 18.3 and 140 mm can be realised. Furthermore we can offer customer-made solutions of up to 20,000 kW.
Applications
Helical gear units for double-screw extruders with parallel drive shafts and the same direction of screw rotation are used mainly in the manufacture of granulates and the refining of raw plastics. Other areas of application include:
Paint and lacquer industry
Washing agent industry
Foodstuff industry (e.g. bread, pasta)
Animal-feed industry (dog, cat other animal food)

Double-screw extruder (contra-rotatory)
In the field of extrusion, as well as co-rotatory double-screw extruder gear units, we also offer contra-rotatory double-screw extruder gear units in vertical and horizontal versions. Center distances between 60 and 140 mm and output torques between 5,000 and 60,000 Nm can be realised.
Applications
Pipes (waste-water pipework, floor pipework, ventilation pipework)
Profiles
Window frames
Sidings
Foils
Packing material
Heat-insulating boards
Rotor blades for wind turbines
Tyres
Assembly lines
Conveyor belts
Fittings for automotive industry
Taconite seal
The taconite seal is a combination of two sealing elements:
• Rotary shaft sealing ring to prevent the escape of lubricating oil
• Grease-filled dust seal (comprising a labyrinth and a lamellar seal) to allow operation of the
gear unit in extremely dusty environments
The taconite seal is ideal for use in dusty environments

Oil level monitoring system
Depending on the order specification, the gear unit can be equipped with an oil level monitoring system based on a level monitor, a level switch or a filling-level limit switch. The oil level monitoring system has been designed to check the oil level when the gear unit is at a standstill before it starts.
Axial load monitoring
Depending on the order specification, the gear unit can be equipped with an axial load monitoring system. The axial load from the worm shaft is monitored by a built-in load cell. Connect this to an evaluation unit provided by the customer.
Bearing monitoring (vibration monitoring)
Depending on the order specification, the gear unit can be equipped with vibration sensors,
sensors or with threads for connecting equipment for monitoring the rolling-contact bearings or gearing. You will find information about the bearing monitoring system design in the separate data sheet in the complete documentation for the gear unit.
As an alternative, measuring nipples can be attached to the gear unit to prepare it for monito