Details for Linear Shaft Rod
max length 6 meters, can be cut off according to customers' demands
carbon steel, bearing steel Gcr15, stainless steel
harden chrome plated or none chrome
10~20 μm in radius
less than 1.5 μm
less than 5 μm in 100mm
less than 3 μm
end stepped, end tapped, end thread, key grooved and so on
Linear Shaft Rod is case hardened to HRC58-62 and suitable for use with linear bearings and linear ball bearings. Linear Shaft Rod provides the most consistent surface hardness and depth of hardness across a range of sizes, offering increased performance. The consistent dimensional tolerances along the entire length of the steel shafting maximize consistent bearing operation.
Linear shafts are elongated, rod-shaped devices that provide linear or rotary motion for power transmission applications.Smooth, hard, and wear resistant, linear motion shafts work with linear bearings to reduce friction in manual and automated systems, such as those found in packing, machine tool, and material handling operations. The smooth surface reduces friction and wear on the bearing—the lower the microinch value a shaft has, the smoother its finish and the less friction it will create. All are turned, ground, and polished to tight diameter and straightness tolerances.
|Performance||Long life and low noise|
Some linear shafts have axial or radial holes for mounting to support structures. Others are grooved for the placement of snap rings or channeled for keyways.
Important specifications for linear shafts include shaft diameter or width, maximum length, weight, height, and tolerance.
Linear Shaft Hardness
There are several ways to measure the hardness of linear shafts.
The Rockwell hardness test presses a steel or diamond cone against a test sample and measures the depth of the resulting indentation. Higher measurements indicate harder materials. For linear shafts, common Rockwell hardness ranges are 50 to 59, 60 to 69, and 70 to 79.
The Brinell hardness test subjects a test material to a load of 3000 kg with a hardened steel or carbide ball that is 10 mm in diameter.
The Knoop hardness test also measures a material’s hardness through its resistance to indentation.
The Vickers hardness test indents a test material with a diamond indenter that is shaped into a right pyramid with a square base and an angle of 136° between opposite faces.
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Special machining shafts are finely finished after heat treatment with hard chrome plating for all types of automation equipment.
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