Specification:Precision Piston Rod Steel Hollow Shaft
Standard
DIN2391, EN10305, JIS G3445, ASTM A519, GB/T 8713...
Material
All kind of brass,copper,stainless steel etc...
Heattreatment
BKS
Specification
Outerdiameter(mm)
Innerdiameter(mm)
50-300mm
40-250
I.DTolerance
H8-H9
Length
200-600m(Customersusuallychoosethe 300~500m)
Straightness
1/1000
IDroughness
RA0.4micron(max)
Technology
Honed&SRB(SKIVEDANDROLLERBURNISHED)
Scope
Honed tubefor hydraulic cylinder, swivelcrane,injectionmachineand
constructionmachineapplication
Precision Piston Rod Steel Hollow Shaft
Manufacturing process description:1. Hydraulic shear cutting
2. CNC machining + additional broaching and milling operations
3. Induction hardening at a range of different frequencies and powers
4. Rotary straightening
5. Proportionally servo controlled CNC grinding
6. Leading edge technologies for hard chromium,
7. Dehydrogenation and tempering
8. Wet polish and superfinish polish with 100% surface condition control
9. Export Packaging
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