Slew drive solution provider-Unique Transmission

In the field of construction machinery, slewing drive , as the core component of the rotary positioning of the lifting arm, has become the first choice of equipment that needs to be stopped instantly by virtue of its self-locking advantage. However, most of the construction machinery in the dust, mud and water, high and low temperatures and other harsh working conditions for a long time, the slewing drive is prone to wear and tear of parts, jamming, abnormal noise and other failures, seriously affecting the operational efficiency and safety of the equipment. Do a good job of rotary drive maintenance, is to reduce the incidence of failure, extend the service life of the equipment is the key, specific can be carried out from the following aspects.  👉Daily inspection: timely detection of potential hazards Daily inspection is the basis of rotary drive maintenance, to be carried out in stages before the start of the equipment, the operation, after the shutdown. Before starting, focus o...

The wear and tear of the gear teeth can cause rotation clearances in the worm screw. It is therefore necessary to check that rotation after 700 hours of operation or every 6 months, so as not to exceed approximately 20° of free rotation.  In order to measure that rotational clearance, the motor must be disconnected and the screw turned manually, measuring the angle rotated by the screw with respect to a previously specified starting position.  The previously specified inspection interval must be reduced to 200 hours of operation if the clearance reaches approximately a 15° rotation. Should the clearance continue to increase, the inspection should be reduced to 50-100 hours of operation, and in the event that it exceeds the maximum permissible value the system must be replaced. Checking mounting bolts To compensate for possible settling, it is necessary to retighten the bolts to the prescribed torque. This shall be done after no more than 100 hours of operation and without exte...

Clearance is an important technical parameter of slewing bearing , which directly affects the technical performance of the bearing's load distribution, vibration, noise, friction, temperature rise, service life and mechanical operation accuracy. Too large clearance will cause the bearing internal capacity area to decrease, the stress on the contact surface will increase, the rotation accuracy will decrease, the vibration and noise will increase. As a result, the service life is shortened and the clearance is too small, the negative clearance (interference) may occur in actual operation, rotation jamming will be inflexible, resulting in increased friction and heating, increased temperature rise, which will make the effective clearance smaller or larger, this vicious circle will cause the bearing to lock and cannot rotate. The bearing's clearance value is artificially specified by the designer and a certain range is divided according to the size of the slewing bearing, which is u...

Everyone knows that slewing bearing and slewing drive need to be filled with grease regularly, it cannot be used without lubrication, otherwise it will cause damage to the slewing bearing and slewing drive. The slewing bearings and slewing drives and other products from Unique Transmission have been filled grease before leaving from factory.  We choose to use Mobilux EP2 grease, people who buy grease often know that there are many types of grease brands on the market, and quality is uneven, fake greases are emerging in endlessly. Therefore, we must buy major brands of grease through formal channels. If add fake grease, it will also cause damage to the slewing bearings and slewing drives, our Mobilux EP2 grease is purchased through Mobil official website authorized dealers to ensure the grease quality.  Why did we choose Mobilux EP2 grease as the grease for slewing bearings and slewing drives? Let's get to know the Mobilux EP series grease. Mobilux EP series are marked as 0, 1...

The service life of the slewing bearing is a general concern. In the selection and design stage of the slewing bearing, the service life of the slewing bearing can be obtained through theoretical calculations, but the theoretical service life is always not reached in practical applications, mainly analyze the ways to increase the life of the slewing bearing from three directions, selection design, installation and maintenance. Next, Unique Transmission will introduce the selection and design of the slewing bearing. 1.The operating environment of the slewing bearing In the selection stage of the slewing bearing, the operation environment should be described in detail. The following are several common use environments:  Humid environment:  water vapor should be prevented from entering the raceway and corroding the bearing surface, choose long lip seals or multi-lip seals, or even add multiple sets of seals. The large contact area between the seal and the bearing can effectively...