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MAANSHAN TONGLI SLEWING RING CO., LTD.

Slewing Ring, Slewing Bearing, Swing Bearing manufacturer / supplier in China, offering Water Treatment Slewing Ring/Swing/Slewing Bearing with Outer Gear Hardness 285-321bhn with SGS, Light Series European Standard /L-Shaped/ Single-Roll Ball Slewing Ring/Slewing, Light Series European Standard /Single-Roll Ball Slewing Ring/Slewing and so on.

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Water Treatment Slewing Ring/Swing/Slewing Bearing with Outer Gear Hardness 285-321bhn with SGS

FOB Price: US $100-1,000 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $100-1,000/ Piece
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Port: Shanghai, China
Production Capacity: 100000 PCS/Year
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: TONGLI
  • Minimum Size: 100mm
  • Transport Package: Non-Solid Wooden Case
  • Origin: Maanshan
  • Maximum Size: 4350mm
  • Trademark: TONGLI
  • Specification: SGS
  • HS Code: 8482800000
Product Description
Slewing ring/ Slewing bearing/Swing bearing with Gear Hardness (285HB-321HB)

1. It is a special hardness different from normal quenched hardness or forging hardness,
2. With capacity and mature technology to produce such special hardness
our company can produce varies special hardness of slewing ring
3. With the advantage of medium hardness, it  is used in strong torque and low rotating speed working condition, such as water treatment drive etc. 


The warranty will be 1 year. Free technical support would be provided by our engineer team. 
 

Water Treatment Slewing Ring/Swing/Slewing Bearing with Outer Gear Hardness 285-321bhn with SGS

Company introduction:
  1. Annual production capacity of 100,000 pieces, covers an area of 93,000 M2, plant area of 45, 000 M2; 3000 types of standards products
  2. Technical team of 26 engineers; with 30 years technical accumulation, 4 of leading experts in the technical team were involved in documentation of the National Slewing Ring Standards
  3. Three production branches, headquarter in Maanshan, with strong research and development capacity delivered by own Institute of Slewing Ring Research
  4. Patent products: Elliptical Raceway Slewing Ring, Slewing Ring with Gear Hardness Gradient and Levelness Adjustable Slewing Ring
  5. Strategic partner of many famous OEMS: HITACHI, AICHI, BAUER, XCMG, LIUGONG. Group, etc.
  6. Honored as National Key Industry revitalization and technical reform subsidy for capital expenditure of the central government.



Water Treatment Slewing Ring/Swing/Slewing Bearing with Outer Gear Hardness 285-321bhn with SGS

Tongli is a high-technology company, with a strong research and development capacity delivered 
by our own Institute of Slewing Ring Research. Tongli has a strict quality control system. 
Every 
single slewing ring is inspected by many kinds of specialized equipments every day.


Slewing Ring Process Flow Chart
Water Treatment Slewing Ring/Swing/Slewing Bearing with Outer Gear Hardness 285-321bhn with SGS


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.



12.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.


Water Treatment Slewing Ring/Swing/Slewing Bearing with Outer Gear Hardness 285-321bhn with SGS

 
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