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JDB Mosaic solid lubricating bearings

 

 

JDB

Introduction to materials

Copper alloy mosaic solid lubricating self-lubricating bearings, combined with copper alloy wear resistance and solid lubricant self-lubricating properties, so that the use of the process without the need for fuel maintenance products are widely used in high load, intermittent or swing movement, Such as steam locomotive production lines, water turbines, reservoir work / accident doors, plastic machinery, etc. According to the use of the conditions, XYB can provide various types of copper alloy.

Physical and mechanical properties
Performance Related data
Maximum load pressure P Static load 150 N/mm2
Dynamic load 100 N/mm2
Maximum linear velocity V dry 0.3 m/s
fluid 1 m/s
Maximum PV value 1.65 N/mm2.m/s
Tensile strength 750 N/mm2
Operating temperature -100 ℃ - + 250℃
Yield Strength 240 N/mm2
Coefficient of friction μ 0.03-0.20
Thermal Conductivity 60W(m.k)-1
Linear expansion coefficient 19x10-6/K
Elongation 12%
Hardness HB>210
Major material category
High strength brass JDB-1 High strength brass JDB-2 Copper alloy JDB-3 Copper alloy JDB-4 Copper alloy JDB-5 Cast iron JDB-6
Cu% 65 65 85 80 88  
Sn%     5   12  
Pb%     5      
Zn% 25 25 5      
Ni%       5    
Al% 6 6   10    
Fe%       5    
Mn% 4 4        
Density g/cm3 8.0 8.0 8.8 8.3 8.8 7.3
Hardness HB >210 >180 >70 >150 >80 >160

Tensile strength
N/mm2

>750 >550 >200 >500 >360 >250
Elongation% >12 >12 >15 >10 >8  
Coefficient of linear
expansion
1.9*10-5/°C 1.9*10-5/°C 1.8*10-5/°C 1.6*10-5/°C 1.8*10-5/°C 1.0*10-5/°C
Limit Temp.°C 300 300 400 400 400 400
Max.Load N/mm2
100 80 60 50 70 10
Max.Speed m/min
15 15 10 20 10 15
Max.PV
N/mm2*m/min
200 200 200 200 200 40
Compression of permanent deformation
400N/mm2
<0.01 <0.01 0.05 0.04 0.05 0.015
Coefficient of friction:Oil lubrication0.03 Dry friction:0.16 Frication factor oil lubrication:0.03 Abrasion:0.16

 

Jiashan Xiangyu Bearing Co., Ltd |About Us|Products|Equipment|Application|Contact
Add:No.88 Jinxiu Road County West Development Zone Jiashan Zhejiang Province |Contact person: Haiming Wu
Tel : 0573-84031366 | Fax : 0573-84031399 | E-mail : whm@jsxyzc.cn

Jiashan Xiangyu Bearing © 2017 All Rights Reserved.

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