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hcxjz Wear-resisting Zinc Base Alloy bearings

Properties of zinc-base wear-resistant alloy

As a superior material for wearing parts,the zinc-base wear-resistant alloy performs the character of abrasion and wear resistance very well. Compare to the copper alloy,it greatly helps to prolong the duration of mechanical transmission parts, machining precision, extend maintenance period of equipments and improve the production efficiency. With a high lubricant adaptability and conductivity, it works well on heat dissipation, temperature controll and anti-seizing effects.

Advantages of zinc-base wear-resistant alloy

Low speciflc gravity and economic. High abrasion and wear resistance,durable. Effects well on heat dissipation and anti-seizing.

Application of zinc-base wear-resistant alloy bearings

Zinc-base wear-resistant alloy bearing is applied to all kinds of construction machinery to replace the tradition copper alloy made products, such as bush, shell, sliding block, sliding plate, gear, worm-gearing and etc.

In recent years, it is gradually used in metal forming machine, water pump, injection machine, crane and other equipments, and achieved successfully in steel rolling, oil, mine and valve industries.

Mechanical and physical property comparison between zinc-base wear-resistant alloy and copper alloy
Technical Reference zqsn6-6-3 zqsn10-1 zqa19-4 Zinc-base alloy TYXJ6
Tensile Strength n/mm2 180~220 220~250 400~500 400~460
Elongation% 6 3~5 10 1.5~4.0
Hardness HB 65 80 110 95
Coefficient of Friction (Dry) 0.16 0.14 0.16 0.12
Coefficient of Friction (Oil) 0.16 0.14 0.16 0.10
Speciflc g/mm3 8.82 8.98 7.7 6.0
Linear Expansion 10-a 17.1 18.5 18.1 25
Heat Conductivity c.s.c 0.22 0.12 0.14 0.24
Compression Set 400n/mm2 <0.05 <0.05 <0.05 <0.05
Max. Temp. 300℃ 300℃ 300℃ 150℃
PV Limit 0.5n/mm2.m/s 0.5n/mm2.m/s 0.5n/mm2.m/s 0.5n/mm2.m/s
Max. Dynamic Load mm2 30n/mm2 40n/mm2 50n/mm2 50n/mm2
At the same time, according to TYB can provide customers with a variety of alloy material

Metallurgical Structure of Zinc-base Wear-resistant Alloy

The zinc-base wear-resistant Alloy, which is higher insentive and tough, is widely used to manufacture sheet-metal parts, bush, sliding block, sliding plate, gear, worm-gearing and etc.

Abrasion & wear resistantance characteristics of bearings(on condition)
Size Hardness Sliding Velocity Unit Pressure Movement Shaft Testing Time Terms
φ40×φ50×l30 ≥98hb v=1.0m/min p=24.5n/mm2 Rotation 45#hrc40-45ra0.8 50小时 Dry Friction
TYXJZ Wear-resisting Zinc Base Alloy bearings
Unit: mm
df7 dm6 l-0.10
-0.30
8 10 12 15 16 20 25 30 35 40 50 60 70 80
8 +0.028
+0.013
12 +0.016
+0.007
TYxjz
081208
TYxjz
081210
TYxjz
081212
TYxjz
081215
                   
10 14 TYxjz
101408
TYxjz
101410
TYxjz
101412
TYxjz
101415
  TYxjz
101420
               
12 +0.034
+0.016
18   TYxjz
121810
TYxjz
121812
TYxjz
121815
TYxjz
121816
TYxjz
121820
TYxjz
121825
TYxjz
121830
           
13 19 +0.021
+0.008
  TYxjz
131910
  TYxjz
131915
TYxjz
131916
                 
14 20   TYxjz
142010
TYxjz
142012
TYxjz
142015
  TYxjz
142020
TYxjz
142025
TYxjz
142030
           
15 21   TYxjz
152110
TYxjz
152112
TYxjz
152115
TYxjz
152116
TYxjz
152120
TYxjz
152125
TYxjz
152130
           
16 22   TYxjz
162210
TYxjz
102212
TYxjz
162215
TYxjz
162216
TYxjz
162220
TYxjz
162225
TYxjz
162230
TYxjz
162235
TYxjz
162240
       
18 24     TYxjz
182412
TYxjz
182415
TYxjz
182416
TYxjz
182420
TYxjz
182425
TYxjz
182430
TYxjz
182435
TYxjz
182440
       
20 +0.041
+0.020
28   TYxjz
202810
TYxjz
202812
TYxjz
202815
TYxjz
202816
TYxjz
202820
TYxjz
202825
TYxjz
202830
TYxjz
202835
TYxjz
202840
TYxjz
202850
     
22 32 +0.025
+0.009
    TYxjz
223212
TYxjz
223215
  TYxjz
223220
TYxjz
223225
             
25 33     TYxjz
253312
TYxjz
253315
TYxjz
253316
TYxjz
253320
TYxjz
253325
TYxjz
253330
TYxjz
253335
TYxjz
253340
TYxjz
253350
TYxjz
253360
   
30 38     TYxjz
303812
TYxjz
303815
  TYxjz
303820
TYxjz
303825
TYxjz
303830
TYxjz
303835
TYxjz
303840
TYxjz
303850
TYxjz
303860
   
35 +0.050
+0.025
45           TYxjz
354520
TYxjz
354525
TYxjz
354530
TYxjz
354535
TYxjz
354540
TYxjz
354550
TYxjz
354560
   
40 50           TYxjz
405020
TYxjz
405025
TYxjz
405030
TYxjz
405035
TYxjz
405040
TYxjz
405050
TYxjz
405060
TYxjz
405070
TYxjz
405080
45 55 +0.030
+0.011
              TYxjz
455530
TYxjz
455535
TYxjz
455540
TYxjz
455550
TYxjz
455560
   
50 60               TYxjz
506030
TYxjz
506035
TYxjz
506040
TYxjz
506050
TYxjz
506060
TYxjz
506070
TYxjz
506080


Unit: mm
idf7 odm6 l-0.10
-0.30
30 35 40 50 60 70 80 100 120 130 140 150
50 +0.050
+0.025
62 +0.030
+0.011
TYxjz
506230
TYxjz
506235
TYxjz
506240
TYxjz
506250
TYxjz
506260
TYxjz
506270
           
50   65 TYxjz
506530
  TYxjz
506540
TYxjz
506550
TYxjz
506560
TYxjz
506570
TYxjz
506580
TYxjz
5065100
       
55 +0.060
+0.030
70     TYxjz
557040
TYxjz
557050
TYxjz
557060
TYxjz
557070
           
60 74 TYxjz
607430
TYxjz
607435
TYxjz
607440
TYxjz
607450
TYxjz
607460
TYxjz
607470
TYxjz
607480
         
60 75 TYxjz
607530
TYxjz
607535
TYxjz
607540
TYxjz
607550
TYxjz
607560
TYxjz
607570
TYxjz
607580
TYxjz
6075100
       
63 75         TYxjz
637560
TYxjz
637570
TYxjz
637580
         
65 80       TYxjz
658050
TYxjz
658060
TYxjz
658070
TYxjz
658080
         
70 85 +0.035
+0.013
  TYxjz
708535
TYxjz
708540
TYxjz
708550
TYxjz
708560
TYxjz
708570
TYxjz
708580
TYxjz
7085100
       
70 90       TYxjz
709050
TYxjz
709060
TYxjz
709070
TYxjz
709080
         
75 90         TYxjz
759060
TYxjz
759070
TYxjz
759080
TYxjz
7590100
       
75 95         TYxjz
759560
TYxjz
759570
TYxjz
759580
TYxjz
7595100
       
80 96     TYxjz
809640
TYxjz
809650
TYxjz
809660
TYxjz
809670
TYxjz
809680
TYxjz
8096100
TYxjz
8096120
     
80 100     TYxjz
8010040
TYxjz
8010050
TYxjz
8010060
TYxjz
8010070
TYxjz
8010080
TYxjz
80100100
TYxjz
80100120
  TYxjz
80100140
 
90 +0.071
+0.036
110 TYxjz
9011030
    TYxjz
9011050
TYxjz
9011060
TYxjz
9011070
TYxjz
9011080
TYxjz
90110100
TYxjz
90110120
     
100 120         TYxjz
10012060
TYxjz
10012070
TYxjz
10012080
TYxjz
100120100
TYxjz
100120120
  TYxjz
100120140
 
110 130 +0.040
+0.015
            TYxjz
11013080
TYxjz
110130100
TYxjz
110130120
     
120 140             TYxjz
12014080
TYxjz
120140100
TYxjz
120140120
  TYxjz
120140140
 
125 +0.083
+0.043
145               TYxjz
125145100
TYxjz
125145120
     
130 150               TYxjz
130150100
  TYxjz
130150130
   
140 160               TYxjz
140160100
    TYxjz
140160140
 
150 170               TYxjz
150170100
      TYxjz
150170150
160 180               TYxjz
160180100
      TYxjz
160180150