TOOKATARH Company
Manufacturer of gearboxes
The technical group of TOOKATARH began activates in 1374 in the factory an area of 1500 m2 located at AMIRKABIR Esfahan industrial area. TOOKATARH groups caps that arouse interest of customers effectively with technical knowledge experience use of specialists and brilliant empires, progressive machines and convenient technology and product are market for customers, the group has production of planetary gearbox. the company’s commitment to global standard in 1384 has been awarded the certificate ISO 9001:2000. consumption products company in iron and steel industry, copper, cement, power plant production factors (brick, lime, rock), and paper industry, carton factory and etc.
In Line Helical Gearbox (G)
The main structure of these gearboxes consists of four gears. The first gear is mounted on the rotor head, and the other three are mounted inside the gearbox.
These gearboxes are called gearmotor due to the mandatory coupling of the electromotor and are used extensively in industry. The benefits of this type of gearbox:
- Long life compared to worm gear gearboxes
- cheap price
- Quick repairs and service.
Disadvantages of these types of gearboxes:
- Electromotor mandatory coupling during assembly.
- If the engine needs to be replaced, the input gear must also be replaced, which should be done by the unit.
Two coupled gearboxes should be used to reach speeds of less than 16 rpm.
parallel and right angle shaft Gearboxes (SH & SK)
The structure of these gearboxes is similar to that of helical gearboxes, except that the transmission shafts can be larger. That is, the number of steps can be more than two.
These gearboxes are both parallel shaft and right angle shaft.
These gearboxes have long been widely used in the steel, petrochemical, cement, oil and gas, packaging and agricultural industries.
- Multiple outputs possible
- Ability to position the input and output shafts on one side
- Ability to position the input shaft and the output shaft perpendicular to each other.
- Ability to transfer very high power
- Ability to create high conversion ratios (compared to helical gearboxes)
- Ability to transfer torques and high revs
Planetary gearboxes
The gears in these gearboxes consists of at least one sun gear, several planetary gears, a ring gear and a retaining case. Solar gearboxes are used for power transmission and usually reduce the output speed. These gearboxes can be directly or indirectly connected to a variety of motors (electric and hydraulic).
In the above figure, a planetary set with the direction of rotation of the parts is shown.
Advantages of planetary gearbox
- Suitable volume relative to other types of gearboxes
- Solar gearboxes occupy about half the size of other gearboxes needed volume. This is very important in the installation process and the stylish design of the power transmission system.
- Other advantages of the low lightness of the solar gearboxes are the convenience of replacing the parts according to the appropriate space
- Lower weight than other types of gearboxes, which is effective in smaller and lighter supporting structures.
- The proper weight allows direct connection to the drive shaft
- The higher efficiency, the efficiency of 90 to 95 percent of the solar gearboxes is very significant compared to the low efficiency of other gearboxes (even at a higher than 1:2000 ratio).
- Long life and easy maintenance
- The correct implementation of the installation process ensures long life of the gearbox.
- Torque 650 to 500,000 Nm
- Low noise
- Output speed from 0.2 to 500 rpm
Tolerance extremely high vertical and horizontal load on the shaft
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