China high quality Ck45 Hydraulic Cylinder Hard Chrome Plated Piston Rod vacuum pump oil

Product Description

Products Introduction

Hard chrome plated rod. It is a kind of bar which surface is treated through special grinding and hard chrome electroplating. Linear shaft is widely used in the automatic transmission devices, such as robot, automatic observer, computer, precision printer, all kinds of air cylinder, hydro-cylinder, piston rod, packing, woodworking, spinning, printing and dyeing machines, die-casting machine, injection molding machine, other leader, mandril and so on. Meantime, due to its hardness, it can prolong the service life of common precision mechanical devices.

Chrome Plated Rod Specification

1. Material: CK45, SAE1045, 4140, 4340, JIS45C, 40Cr, 42CrMo
2. Diameter: Φ 6-500 mm
3. Length: max 16m
4. Chrome layer: 20 CHINAMFG (min)
5. Hardness of the chrome layer: 800HV-1150HV 
6. Roughness: Ra ≤0.2u
7. Straightness: ≤ 0.2/1000
8. Diameter tolerance: ISO f7
9. Roundness: the deviation of roundness is 50% of the diameter tolerance at the most.
10. Supply condition: Hard chrome plated/ Hardened and tempered/ Induction hardened
11. Packing: Anti rust oil to be spread on rod surface and each rod to be packed in paper roll and then in wooden case.