Basic Info.
Model NO.
KOMATSU HITACHI KOBELCO CATERPILLAR HYUNDAI VOLVO
Rolling Body
Ball Bearings
The Number of Rows
Single
Outer Dimension
100mm-4350mm
Load Direction
Axial and Radial
Transport Package
Non Solid Wooden Case
Product Description
Single-row ball slewing ring with external gear is a kind of economy product with higher compact structure and less weight. For the slewing ring have the same figure size, the load capacity of single row ball slewing ring is better than the cross roller and double-row different diameters slewing ring. The warranty will be 1 year. Free technical support would be provided by our engineer team.
There are three types of normal single-row ball slewing bearing, slewing bearing with external gear, internal gear and without gear.
We have a mature and successful product series and mainly exported to Europe, America, Japan, South Korea, Singapore, India, Malaysia, Indonesia, etc. In addition, we're the strategic partner of many famous OEMs, such as HITACHI, AICHI, DOOSAN, BAUER, XCMG, LIUGONG and etc.
Tongli Slewing ring swing bearing COMPANY is a specialized slewing bearing manufacturer, capable of designing, developing and manufacturing all types of slewing rings. With deep rooted company culture that 'professionism and commitment lead to successes', Tongli strives to offer customer satisfaction with superior technology, excellent product quality and superb service.
Tongli has a manufacturing capacity of making 60,000 pieces of slewing rings each year, up to 4,000 mm in diameter for different structures. The products cover 2,000 different sizes and internal structures. With batches of products exported to Europe, America and Asia. Tongli Slewing Ring is a well known national brand foot-printing all over the world.
Tongli slewing rings are widely used by OEMs in all types of excavators, mobile cranes, tower cranes, rail cranes, water treatment equipments, and machine tools etc.. The replacement slewing rings for different models of excavators, wind mills, solar system and mobile cranes provide the end users and distributors with more options. We believe that innovations create superior products, science enhances our brand. Tongli is a high-technology company, with a strong research and development capacity delivered by our own Institute of Slewing Ring Research. Four of the leading experts in the R&D were involved in drafting the national slewing ring standards (JB2300-78 and JJ36) since 1970s and 1980s, all having over 25 years of experience in slewing ring designing and manufacturing. The Institute has delivered numerous innovations and product improvements, generated a number of patents and other intellectual properties.
In 2010,Tongli devoloped his new patent"Elliptic Raceway Slewing Ring".After the slewing ring applied with elliptical raceway, its load capacity increases over 30%, and its service life doubled with the same diameter of the raceway and ball. And with the same load capacity, the diameter of the raceway can reduce 15%--30% (change by M/D/Fa), or the diameter of the ball can reduce 40%. As a result:
1.Under the same load capacity, it can save raw material over 20% and save procurement cost over 10%.
2.It has outstanding advantage in the occasion that the structure or the transport width is limited, such as automobile crane, pump truck, large-tonnage auto crane, and so on.
3.Especially, the single-row ball slewing ring with the same diameter which applied with elliptical raceway can substitute for the three-row roller slewing ring which diameter of the upper row roller is under28; while the double-row eight point contact slewing ring which applied with elliptical raceway can substitute for the three-row roller slewing ring which diameter of the upper row roller is under50.
It's widely used in XCMG, Fuwa, Hitachi ,Liugong, Zoomlion, Lishide,Carter, Jonyang,Rongan etc.
Advanced equipment,superb technics, perfect measuring,vigorous team sucessfully form our commitment to be a 'top-rank in China,well-known to World'brand.
Slewing Ring Process Flow Chart
Quenching process
Tongli company adjusts electrical parameter, linear velocity, quenching liquid concentration and temperature to control hardening layer depth which making the parameter to carry out technology standardization and then cross-checked the findings to ensure consistency of the product quality, meanwhile, we verify heat treatment experiment through every producing 200 sets of products on a cutting.
Transportation
1.Slewing ring handling in the loading and unloading process should be done gently, and non-throwing,hitting.
Weighting more than 30kg slewing ring, it should be use lifting holes when in the handling process.
2.Slewing ring must be horizontal in the transport. For the non-wooden packaging of slewing ring, the bottom must be put in wooden pads and should have anti-slip steps.
3.For the diameter greater than 3000mmor easily deformed slewing ring, bearing should have assistant supporting.
Usage and maintenance
1.The slewing ring had been filed a few of No.3 lithium based grease in the race before delivery. Consumers should fill the new grease suitably according to different working condition before use it. Generally, it is necessary to fill in grease once every 100 hours for ball slewing ring, and once every 50 hours for roller slewing ring. When filling in lithium based grease, it must take the grease even till the grease out off from the sealing. The filling period should be shorten if there is the special working condition such as at the torrid zone, high humidity, severe dust, large temperature variation and long continuing working time. It should be filled
with new grease before and after the machine being long time stop working.
2.The gear face exposed in air should periodically cleaned and spread with appropriate oil on it.
3.In general working condition, check the pre-tighten force of the bolts after first 100 working hours then check it every 500 hours of the slewing ring. It must be always kept enough pre-tighten force.
4.Cleaning the slewing ring with high-pressure water is not permissible during operation so as to avoid the water entering to the rolling race.
5.Stop and check the machine during operation if there is abnormal noise, vibration occurred or suddenly power rose. Remove the trouble or dismantle it for repairing if necessary.
6.Should not let the hard materials access or enter in the engaging area of the gear.
7.Regularly check the seal ring is that OK or not. Replace it if it is damaged and reset it when is is fallen.
8.Multi-slewing rings overlapping together horizontally must put at least 3-5 pads evenly in the direction of circumference between the slewing rings. And the upper and lower pads put in the circumferential direction of the position should be consistent. Slewing ring stand up is prohibited.
9.Slewing ring should be placed on non-corrosive medium, and stored in dry, flat indoor room, can not be soaked watered.
Address:
No. 446, South Zhuran Road, Maanshan, an Hui, Ma′anshan, Anhui, China
Business Type:
Manufacturer/Factory, Trading Company
Business Range:
Auto, Motorcycle Parts & Accessories, Construction & Decoration, Industrial Equipment & Components, Manufacturing & Processing Machinery, Metallurgy, Mineral & Energy, Packaging & Printing, Transportation
Management System Certification:
ISO 9001, ISO 14001, PAS 28000
Company Introduction:
Tongli Slewing Ring Co., Ltd is a specialized slewing ring manufacturer, concentrating in designing, developing and manufacturing slewing rings for 31 years. It′s headquartered in Maanshan, China, near Shanghai. With deep rooted company culture that ′ Professionalism and commitment lead to success′, Tongli strives to offer customer satisfaction with superb technology, reliable product quality and excellent service. As a leading company in China′s slewing ring industry, Tongli has an annual production capacity of 100, 000 pieces, up to 4M in diameter, covers an area of 93 000 M2, plant area of 43 000 M2, technical team of 26 engineers. Tongli is a high-tech company with strong research and development capacity delivered by our own Institute of Slewing Ring Research. With recent patent achievement of Elliptical Raceway Slewing Ring, Gear Hardness Gradient Slewing Ring and Levelness Adjustable Slewing Ring, Tongli become strategic partner of HITACHI, AICHI, BAUER, XCMG, LIUGONG. Group, and etc.