Precision Piston Rod Steel Hollow Shaft in Shock Absorber

• Load: Drive Shaft
• Stiffness & Flexibility: Stiffness / Rigid Axle
• Axis Shape: Straight Shaft
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: Piston Rod
• Shaft Shape: Real Axis
• Appearance Shape: Round
• Product Name: Precision Piston Rod Steel Hollow Shaft
• Surface: Hard-Chromed
• Tolerance: H8 H9
• Technique: Cold Drawn
• Electroplating Hardness: Hv800-1050
• Application: Oil Pipe, Hydraulic System
• Transport Package: Oil Apply+ Carton+Pallet
• Specification: Customization
• Origin: Ningbo
• Package Size: 10.00cm * 10.00cm * 10.00cm
• Package Gross Weight: 10.000kg
• Lead Time: 30 days (1 - 200 Pieces) ; To be negotiated ( > 200 Pieces)

Product Description

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...
Heat treatment	BKS
Specification	Outer diameter(mm)	Inner diameter(mm)
	50-300mm	40-250
I.D Tolerance	H8-H9
Length	200-600m (Customers usually choose the 300~500m)
Straightness	1/1000
ID roughness	RA 0.4micron(max)
Technology	Honed & SRB(SKIVED AND ROLLER BURNISHED )
Scope	Honed tube for hydraulic cylinder, swivel crane, injection machine and   construction machine application

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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