Product Description

Supply Potential

Provide Potential
2000 Piece/Parts per Month

Port crane 4 stage get in touch with slewing ring bearing 011.twenty five.571.001 360x200x60mm

Product Description

 

Ø  History

l  Headquarter launched in the nineteen eighties as a state-owned enterprise, reformed to be 1 constrained liability firm in 2005.

l  Start to generate slewing ring in 1995, have possess model name for slewing ring.

l  Four subsidiaries belong to the headquarter: Ring mill plant, Slewing ring plant, Wheel hub plant, ZheJiang Titanhorse International Trade Dept.

Ø  Company Scale

l  Total spot: one hundred,000sq.m

l  Factory: sixty,000sq.m

l  Office: 7,000sq.m

l  700 workers

l  Lines of item: solid uncooked rings (The uncooked materials of slewing ring), Slewing rings, Wheel hub

Ø  Production Scale

l  Slewing ring 50,000pcs/month

l  Ring/flange  8,000pcs/month

l  Wheel hub   20,000pcs/thirty day period

Ø  Unique Gain

l  6 sequence of slewing ring, the raceway diameter ranges from two hundred-5,000mm

l  Germany 5S normal web site management and QC administration engineering expectations

l  ISO9001:2008, OHSAS18001:1999, ISO14001:2004

 

Procedure & Maintanence

 

Suited lubrication is necessary for longevity of raceway and equipment. Lubricating grease increases capability and services daily life of slewing bearing, although working problem, e.g. load, temperature, pace, and vibration, determines lubricant choice.   

Qualities of advisable lubricant for slewing bearing:  

²  Lithium foundation grease

²  Minimum viscosity of base oil: one hundred fifty mm2/S

²  NLGI consistency quality: two

²  Anti-friction and excessive pressure additive 

²  Working temperature: -300 Ca+1200 C

²  Four-ball check: Clinkering load STMD 2596 (NT24)>300

²  Maximum NDM price (revolving pace x raceway middle diameter)

ü  For ball slewing bearing=60000

ü  For pin roller slewing bearing=30000

Lubricating grease compatibility table  

According to our knowledge, the lubricating greases outlined in the subsequent table are suitable with every single other and with all elements of slewing bearing. Any other grease which is considered compatible with any of the lubricating greases recommended by the Company is usable. However, molybdenum-made up of disulphide MOSis strictly prohibited.

 

Grease for raceway of slewing bearing

 

Lubricating grease designation

 

Grease for gear

 

Aralub HLP2

ARAL

Aralub LFZ1

 

 

Rhus L 474/two

MOTUL/bECHEM

Berulit GA 400

 

 

Energrease LS-EP2

BP

EnergolwRL/GR 154 GS

 

 

Grease LMX

CASTROL

 

 

 

Epexa2/Epexelf2

ELF

Cardrexa DC1

 

 

Beacon EP2

ESSO

Surret Fluid NX

 

 

Mobilux EP2

MOBIL

Mobilgear OGL 007

 

 

Retina EP2-Alvania EPLF2

SHELL

Malleus GL 205

 

 

Multis EP2-Lical EP2

Overall FINA ELF

Ceran Advertisement

 

             

 

 

Removal of Frequent Faults

 

Challenging turning of slewing bearing

Each and every slewing bearing goes through rigorous inspection and take a look at operate before getting released from plant, so all of them are acceptable goods. As the slewing bearing has pre-tightening force on its sealing confront and frictional power of the sealing face need to be defeat for turning, it truly is standard that certain beginning second is required when it is turned.

In circumstance of clamping stagnation in turning, the adhering to approach ought to be taken to get rid of the problems: 

 

 

Scenario

 

Cause evaluation

 

Troubleshooting techniques

Inflexible idling of new item

The slewing bearing has been saved for extended time (e.g. above a half calendar year) or the ambient temperature is minimal, which outcomes in less liquidity of the grease within, foremost to rigid operation. This circumstance is well known in cold regions and in wintertime.  

After pressure is exerted, if it works properly without any abnormal sound, it can serve for standard provide, but new grease need to be stuffed until finally it is oozed from the seal.

If operation is accompanied with any irregular audio, check whether or not there is any harm caused throughout transport or storage and comments the info to our following-sale support office for a answer.  

Inflexible  procedure soon after set up

The mounting area of the main machine does not match nicely with that of the slewing bearing, ensuing in that after installation, axial clearance of the slewing bearing can’t compensate for deformation of the slewing bearing, raceway of the slewing bearing is distorted, and the roller moves with trouble in raceway (often with irregular audio).

 

Rework mounting area of the main machine to make it in compliance with the specifications or deal with the surface by filling in plastic or partial washer. If flatness is nevertheless unacceptable after completion of surface area therapy, try to trade for a slewing bearing with bigger clearance.      

Poor gear engagement is brought on by failure to alter gear backlash according to radial prime point of gear pitch circle (3 enamel marked with eco-friendly paint). Deformation is induced by compressing the slewing bearing at the prime point, resulting in challenging turning or abnormal sound.  

Adjust gear and pinion engagement and gear backlash once again as essential. 

Impurities are jammed in the equipment and pinion.  

Examine and be certain that gear and pinion engagement is totally free of impurities. 

Inflexible operation in use

The sealing strip is broken, resulting in entry of impurities into raceway. 

 

Replace sealing strip or get successful sealing defense measures, e.g. putting in guard plates.

Failure to lubricate it with enough grease periodically in accordance to the servicing requirement, resulting in irregular dress in and tear of raceway. 

Lubricate it with ample grease right up until grease is oozed out from the sealing strip. It is observed that each oil cup ought to be oiled, and procedure ought to be stored in oiling, if feasible. If put on and tear is severe, the slewing bearing need to be changed. If you keep on utilizing it in brief time, lubricate it with much more sum of grease until finally grease overflows, so that the scrap iron is discharged as most as possible.  

Abnormal engagement between gear and pinion, with impurities or damaged teeth 

Take away impurities (if any) change the slewing bearing, if there is any broken tooth. 

Excavator turntable Single-row 4-stage get in touch with slewing ring 571.twenty five.571.002

Merchandise Description

 

Design Amount HS Collection JG/T66-19999
Material 42CrMo/50Mn
Packaging  Details standard export picket scenario
Roller Diameters 20mm
Internal  Diameters 450mm
Type Single-row 4 contact sequence

 

 

Packaging & delivery

Packaging Information
Carton packing
Port
HangZhou port,HangZhou port ZheJiang port
Photo Example:

 

Direct time:

Amount(pieces) 1 – 100 >100
Guide time (times) 30 To be negotiated

Q1: Are you trading organization or company ?

A1: We are manufacturing facility.

 

Q2: How do I commence buy?

A2: You can email or make contact with with our on the internet salesman, then get offer and shipping expense for our get..Right after payment done, we will ship items on time.

 

Q3: What is the advantage about your company?

A3: Our business has skilled crew and specialist production line.

 

Q4: Why must I pick your products?

A4: Our merchandise are high top quality and reduced price.

 

Q5: Any other very good provider your company can provide?

A5: Yes,we can supply excellent following-sale and fast delivery.
Bandrui (HangZhou) Precision Rotating Goods Producing Co., Ltd. is a expert bearing maker Built-in firm for R&D, producing and after-income support of rotating areas and rotating system assembly. Specializing in the manufacturing of numerous varieties of: break up bearings, metal wire raceway bearings, various V-groove roller bearings, a variety of non-regular bearings and precision self-aligning roller bearings, cylindrical roller bearings, deep groove ball bearings and other series of products.
Our organization is located in HangZhou, HangZhou, ZheJiang Province. Our items cover paper creating, metallurgy, textile, shipbuilding, agricultural machinery, chemical sector, mining machinery, engineering equipment, gentle industrial equipment, automobile production and other fields. The business is actively updating its equipment, actively pursuing its technologies and actively working with its personnel.
The organization has a group engaged in R&D and producing of rotary items for a long time, and a specialist revenue and technological services staff to give best following-income and supporting solutions. Welcome to call Hanlai to discuss and exchange!

US $3.6
/ Piece
|
10 Pieces

(Min. Order)

###

Certification: ISO9001:2008, ISO9001:2000
Feature: Corrosion Resistant, Antimagnetic, Low Temperature, High Temperature, High Speed
Style: Without Outer Ring
Rows Number: Multiple
Load Direction: Radial Bearing
Material: Gcr15&Chrom Steel

###

Samples:
US$ 5/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Grease for raceway of slewing bearing

 

Lubricating grease designation

 

Grease for gear

 

Aralub HLP2

ARAL

Aralub LFZ1

 

 

Rhus L 474/2

MOTUL/bECHEM

Berulit GA 400

 

 

Energrease LS-EP2

BP

EnergolwRL/GR 154 GS

 

 

Grease LMX

CASTROL

 

 

 

Epexa2/Epexelf2

ELF

Cardrexa DC1

 

 

Beacon EP2

ESSO

Surret Fluid NX

 

 

Mobilux EP2

MOBIL

Mobilgear OGL 007

 

 

Retina EP2-Alvania EPLF2

SHELL

Malleus GL 205

 

 

Multis EP2-Lical EP2

TOTAL FINA ELF

Ceran AD

 

             

###

 

Case

 

Cause analysis

 

Troubleshooting methods

Inflexible idling of new product

The slewing bearing has been stored for long time (e.g. over a half year) or the ambient temperature is low, which results in less liquidity of the grease inside, leading to inflexible operation. This case is prominent in cold regions and in winter.  

After force is exerted, if it works well without any abnormal sound, it can serve for normal serve, but new grease should be filled until it is oozed from the seal.

If operation is accompanied with any abnormal sound, check whether there is any damage caused during transport or storage and feedback the information to our after-sale service department for a solution.  

Inflexible  operation after installation

The mounting surface of the main machine does not match well with that of the slewing bearing, resulting in that after installation, axial clearance of the slewing bearing can’t compensate for deformation of the slewing bearing, raceway of the slewing bearing is distorted, and the roller moves with difficulty in raceway (sometimes with abnormal sound).

 

Rework mounting surface of the main machine to make it in compliance with the requirements; or treat the surface by filling in plastic or partial washer. If flatness is still unacceptable after completion of surface treatment, try to exchange for a slewing bearing with larger clearance.      

Bad gear engagement is caused by failure to adjust gear backlash according to radial top point of gear pitch circle (three teeth marked with green paint). Deformation is caused by compressing the slewing bearing at the top point, resulting in difficult turning or abnormal sound.  

Adjust gear and pinion engagement and gear backlash again as required. 

Impurities are jammed in the gear and pinion.  

Check and be sure that gear and pinion engagement is free of impurities. 

Inflexible operation in use

The sealing strip is broken, resulting in entry of impurities into raceway. 

 

Replace sealing strip or take effective sealing protection measures, e.g. installing guard plates.

Failure to lubricate it with sufficient grease periodically according to the maintenance requirement, resulting in abnormal wear and tear of raceway. 

Lubricate it with sufficient grease until grease is oozed out from the sealing strip. It’s noted that every oil cup should be oiled, and operation should be kept in oiling, if possible. If wear and tear is serious, the slewing bearing should be replaced. If you continue using it in short time, lubricate it with more amount of grease until grease overflows, so that the scrap iron is discharged as most as possible.  

Abnormal engagement between gear and pinion, with impurities or broken teeth 

Remove impurities (if any); replace the slewing bearing, if there is any broken tooth. 

###

###

Model Number HS Series JG/T66-19999
Material 42CrMo/50Mn
Packaging  Details standard export wooden case
Roller Diameters 20mm
Internal  Diameters 450mm
Type Single-row four contact series

###

Quantity(pieces) 1  100 >100
Lead time (days) 30 To be negotiated
US $3.6
/ Piece
|
10 Pieces

(Min. Order)

###

Certification: ISO9001:2008, ISO9001:2000
Feature: Corrosion Resistant, Antimagnetic, Low Temperature, High Temperature, High Speed
Style: Without Outer Ring
Rows Number: Multiple
Load Direction: Radial Bearing
Material: Gcr15&Chrom Steel

###

Samples:
US$ 5/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Grease for raceway of slewing bearing

 

Lubricating grease designation

 

Grease for gear

 

Aralub HLP2

ARAL

Aralub LFZ1

 

 

Rhus L 474/2

MOTUL/bECHEM

Berulit GA 400

 

 

Energrease LS-EP2

BP

EnergolwRL/GR 154 GS

 

 

Grease LMX

CASTROL

 

 

 

Epexa2/Epexelf2

ELF

Cardrexa DC1

 

 

Beacon EP2

ESSO

Surret Fluid NX

 

 

Mobilux EP2

MOBIL

Mobilgear OGL 007

 

 

Retina EP2-Alvania EPLF2

SHELL

Malleus GL 205

 

 

Multis EP2-Lical EP2

TOTAL FINA ELF

Ceran AD

 

             

###

 

Case

 

Cause analysis

 

Troubleshooting methods

Inflexible idling of new product

The slewing bearing has been stored for long time (e.g. over a half year) or the ambient temperature is low, which results in less liquidity of the grease inside, leading to inflexible operation. This case is prominent in cold regions and in winter.  

After force is exerted, if it works well without any abnormal sound, it can serve for normal serve, but new grease should be filled until it is oozed from the seal.

If operation is accompanied with any abnormal sound, check whether there is any damage caused during transport or storage and feedback the information to our after-sale service department for a solution.  

Inflexible  operation after installation

The mounting surface of the main machine does not match well with that of the slewing bearing, resulting in that after installation, axial clearance of the slewing bearing can’t compensate for deformation of the slewing bearing, raceway of the slewing bearing is distorted, and the roller moves with difficulty in raceway (sometimes with abnormal sound).

 

Rework mounting surface of the main machine to make it in compliance with the requirements; or treat the surface by filling in plastic or partial washer. If flatness is still unacceptable after completion of surface treatment, try to exchange for a slewing bearing with larger clearance.      

Bad gear engagement is caused by failure to adjust gear backlash according to radial top point of gear pitch circle (three teeth marked with green paint). Deformation is caused by compressing the slewing bearing at the top point, resulting in difficult turning or abnormal sound.  

Adjust gear and pinion engagement and gear backlash again as required. 

Impurities are jammed in the gear and pinion.  

Check and be sure that gear and pinion engagement is free of impurities. 

Inflexible operation in use

The sealing strip is broken, resulting in entry of impurities into raceway. 

 

Replace sealing strip or take effective sealing protection measures, e.g. installing guard plates.

Failure to lubricate it with sufficient grease periodically according to the maintenance requirement, resulting in abnormal wear and tear of raceway. 

Lubricate it with sufficient grease until grease is oozed out from the sealing strip. It’s noted that every oil cup should be oiled, and operation should be kept in oiling, if possible. If wear and tear is serious, the slewing bearing should be replaced. If you continue using it in short time, lubricate it with more amount of grease until grease overflows, so that the scrap iron is discharged as most as possible.  

Abnormal engagement between gear and pinion, with impurities or broken teeth 

Remove impurities (if any); replace the slewing bearing, if there is any broken tooth. 

###

###

Model Number HS Series JG/T66-19999
Material 42CrMo/50Mn
Packaging  Details standard export wooden case
Roller Diameters 20mm
Internal  Diameters 450mm
Type Single-row four contact series

###

Quantity(pieces) 1  100 >100
Lead time (days) 30 To be negotiated

The Benefits of Using Self-Lubricating Bushings for Your Next Pivot

Like any other auto part, control arm bushings wear out over time. This results in an increase in irritating vibrations that can be dangerous in severe cases. The bushings in the control arms also wear out due to the stress that extreme driving conditions put on the control arms. Additionally, environmental factors and oversized tires tend to transmit more vibration through the bushing than conventionally sized tires. Whatever the cause, bushings can be the source of many problems.
bushing

wear and cracking

The main cause of dry valve side bushing cracking is a mismatch in thermal expansion of the core and flange. This situation can seriously compromise the safety of the power system. To improve the safety of dry valve side bushings, the crack development of epoxy impregnated paper under various conditions was investigated. A coupled thermomechanical simulation model was also used to study the cracking process.
The first step in diagnosing the cause of bushing wear and cracking is a visual inspection. The bushing of the lower control arm is fixed to the frame by a bracket. If there are any visible cracks, it’s time to replace the bushing. However, there is no need to replace the entire suspension. In some cases, worn bushings can cause a variety of problems, including body lean, excessive tire wear and cornering noise.

Maintenance free

If you’re considering maintenance-free bushings for your next pivot, you’ll be wondering what to look for in these components. The bushing protects the housing from corrosion and keeps the bushing under pressure. However, many users are not familiar with what these components can do for their applications. In this article, we’ll look at several examples of truly maintenance-free pivots and discuss their requirements.
One of the most popular types of maintenance-free bushings are flanged and parallel. Unlike worm gear bushings, these self-lubricating metal bearings are ideal for a variety of applications and conditions. They reduce failure and downtime costs while providing the long-term lubrication required by other types of bushings. Since these sleeves are made of lead-free material, they are RoHS compliant, which means they are environmentally friendly.Another common maintenance-free bushing is plastic. This material is easier to find off-the-shelf and relatively inexpensive to produce. However, it is not suitable for high load applications as it will crack under heavy loads and damage mating parts. Plastics can also deviate if the manufacturing process is imprecise. Plastic bushings can also crack when subjected to high loads.
bushing

self-lubricating

When using a self-lubricating bushing, there is no need to apply grease to the bushing. Oily liquids tend to attract dirt and grit, which can wear away the graphite prematurely. By eliminating the need for regular lubrication, you will reduce equipment maintenance costs. This article will explore the benefits of self-lubricating bushings. You will love your kindness.
Self-lubricating bushings have a strong base material to withstand radial bearing pressure while providing shaft support at the contact surfaces. The material also has good fatigue properties and low friction motion. Self-lubricating bushings can be used in environments with high temperatures and aggressive media. These products can also withstand enormous pressure. When using self-lubricating bushings, it is important to select the correct material.
The main advantage of using self-lubricating bushings is ease of maintenance. They don’t require oil to run and are cheaper to buy. Their main benefit is that they can significantly reduce your machine running costs. These bearings do not require oiling operations, reducing maintenance costs. These bearings also offer a simplified mechanical design due to their thin walls and high load capacity. In addition, they reduce noise levels while maintaining excellent wear resistance. Plus, their materials are ROHS compliant, which means they don’t require oil.
Hydropower installations are another area where self-lubricating bushings have proven their advantages. They reduce maintenance costs, extend equipment life, and improve environmental benefits. For example, the Newfoundland Power Company uses self-lubricating bushings in the gates of its hydroelectric power plants. These self-lubricating bushings eliminate grease from entering waterways and tailraces. As a result, power companies are able to reduce maintenance and costs.

compared to cartilage in the human body

What is the difference between tendon, bone and cartilage? Human cartilage is composed of collagen and elastic fibers. In contrast, fibrocartilage contains more collagen than hyaline cartilage. Both cartilage types are composed of proteoglycans, which have a protein backbone and glycosaminoglycan side chains. These components work together to provide structure and flexibility to the cartilage.
Bone is a combination of living and dead cells embedded in a matrix. The outer hard layer of bone is dense bone, and the inner layer is spongy, containing bone marrow, blood vessels, nerves, etc. Bone contains both organic and inorganic substances, and this process of hardening of the matrix produces bone. On the other hand, cartilage consists of chondrocytes and a matrix composed of collagen and elastin fibers. Compared to bone, cartilage is yellow and contains elastic fibers.
Although bone and cartilage are structurally identical, cartilage is more flexible. It is mainly found in the joints and respiratory system and requires flexibility. Its ingredients include collagen and proteoglycans, which provide compression and abrasion resistance. Furthermore, connective tissue is composed of cells, fibers and matrix.
The basic substance of cartilage is chondroitin sulfate, which is derived from animals. Although cartilage grows more slowly than bone, its microstructure is less organized. There is a fibrous sheath covering the cartilage, called the perichondrium. The molecular composition of the ECM plays an important role in the function of cartilage. The collagen matrix is ​​important for cartilage remodeling and consists of changes in the collagen matrix.
bushing

Compared to metal-on-bone contact

Both metal-on-bone contact are known to cause a significant increase in the pressures in a joint. To compare the two, we first calculated the joint contact pressures in each model and compared them. The results of this study support previous research on this subject. The following sections discuss the benefits of both types of contact. They also outline some key differences between the two.

China Slewing Bearing Coal Mining and Washing Industry     bearing and raceChina Slewing Bearing Coal Mining and Washing Industry     bearing and race
editor by czh 2023-03-23