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JDB Normal size
JDB Technology
Type
JDB-1
JDB-2
JDB-3
JDB-4
JDB-5
Base material
CuZn24Al6
CuSn6Zn6Pb3
CuSn6Zn6Pb3
HT-250
CuCr15
Base Hardness
Hb230
(Hb270)
HB 90
HB 80
HB 210
HB 60
Friction coef(u)
<0.16
<0.15s
<0.14
<0.17
<0.17
Temperature limit

300℃

350℃
300℃
400℃
350℃
Dynamic Load Limit
100 N/mm2
60 N/mm2
70 N/mm2
60 N/mm2
250 N/mm2
Load LImit Under 1m/min
25 N/mm2
15 N/mm2
20 N/mm2
15 N/mm2
70 N/mm2
Speed limit
干 0.40 m/s 油 5 m/s
2 m/s
2 m/s
0.5 m/s
0.1 m/s
PV Limt
3.8 N/mm2·m/s
0.5 N/mm2·m/s
0.6 N/mm2·m/s
0.8 N/mm2·m/s
2.5 N/mm2·m/s
JDB Wear Performance
Load Applied
62N/mm2
24.5N/mm2
14.7N/mm2
Item
Wear Depth
Time
Wear Depth
Time
Wear Depth
Time
Type
Lubrication
(mm)
(hrs)
(mm)
(hrs)
(mm)
(hrs)
CuSn6Zn6Sn3
Oil
0.098
10
0.125
100
0.10
100
JDB-1
dry friction
0.075
100
0.015
100
0.012
100
JDB-2
dry friction
0.025
30
0.065
100
0.025
100
JDB-3
dry friction
0.03
30
0.12
100
0.015
100
JDB-4
dry friction
0.03
10
0.25
20
0.011
100
JDB-5
dry friction
0.022
100
.0.13
100
0.01
100