1.The introduction of our products
We are manufacturer of cylindrical roller ,needle roller and shaft in Changzhou,China.
We according to your drawings to produce shaft and you design the code name.
Shaft or we call it brake pin ,hing pin etc,is a kind of fastener.It widely used in machinery industry.
Needle roller
The shape of needle roller
Table 1 Dimension Tolerance and Geometrical Precision
Quality grade | Deviation (μm) | Tolerance of each sort (μm) | Group of sort Deviation (μm) | Roundness Tolerance(Max) | Length Tolerance |
G2 | 0-10 | 2 | 0/-2,-1/-3,-2/-4 | 1 |
h13 |
-3/-5,-4/-6,-5/-7 | |||||
-6/-8,-7/-9,-8/-10 | |||||
G3 | 0/-10 | 3 | 0/-3,-1.5/-4.5,-3/-6 | 1.5 | |
-4.5/-7.5,-6/-9,-7/-10 | |||||
G5 | 0/-10 | 5 | 0/-5,-3/-8,-5/-10 | 2.5 |
2.This kind of shaft :
Kinds of shaft
Needle roller %Cylindrical roller
Bearing
3.about material-----GCr15
(1)What's GCr15?
GCr15 is the mostly widely used high-carbon chromium bearing steel with less
alloy content and good performance.It has high and uniform hardness, good
abrasion resistance and high contact fatigue performance after heat-treatment
and tempring.
(2)The details of GCr15
Elment | C | Si | Mn | P | S | Cr |
Content | 0.95-1.05 | 0.15-0.35 | 0.20-0.40 | ≤0.027 | ≤0.020 | 1.30-1.65 |
(3)GCr15 in other country
executive standard:
China GB/T18254-2002
Japan JIS G4805:1991
USA ASTM A295:1998
Unified digital code :B00150
Country | China | US | Janpan | Germany | France | ISO |
Grade | GB | AST | JIS | DIN,DINEN | NP,NPEN | ISO630 |
Bearing steel Chrome steel | GCr9 | 51100 | SUJ1 |
|
|
|
GCr15 | 52100 | SUJ2 | 100Cr6 | 100Cr6 | 1 | |
9Cr18Mo | 440C | SUS440C | Z100C D17 |
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4.Show you Part of process flow:
5. Package-Wooden pallet
6.Quality Control
You should choose us,believe our quality,because we have these:
7. Our plant
8. Certification
For more information,please contact with me!
