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Drilling mud agitator mixer shaft

All parts which make the rotary motion, such as gear, mixer, etc, all of them must be installed in the shaft, for delivering motion and power. So shaft is one of the main parts of the machine.

Mixer shaft material

The choice of drilling mud agitator mixer shaft material, from stress and working conditions to make it safe, suitable, easy to manufacture and economic. The material of shaft should have enough strength, stiffness and toughness. In addition, in order to easy to manufacture, we also need to have excellent cutting processing skill, so that we usually use number 45 high-quality steel. For the low requirement mixer shaft, also can use Q235-A or number 35 steel.

 

Gland packing material

In the actual use, the most common dynamic seal have two kinds: packing seal and mechanical seal. Drilling mud agitator shaft belongs to low speed, low pressure, applicable is packing seal, the packing seal has the advantage of simple structure, easy to maintain and high reliability.

For adapt to requirement of agitator in different cases, the category of gland packing material are many. Which kind of material to choose mainly according to the mixer shaft spindle speed, operating temperature, operating pressure and chemical property of material.

In general, the material used to manufacture gland packing must meet the following requirements:

1 Should be resistant to the soaking and corrosion of medium and lubricant, and does not contain the material which can be swelled and weakened by medium and lubricant.

2 Should have enough flexibility, to absorb the design which can’t avoid shaft moving.

3 Under the situation of gland pressure is too tight, it still has running freely, will not produce destructive friction and heat performance.

4 Should have enough plasticity, under the packing gland compression can be adapt to the shape of shaft and seasoning function and for deformation.

5 Won’t bite or corrosion shaft.

6 Wear slow, rarely need to adjust and change.

Usually the materials used to make gland packing have fiber, metal and lubricant, etc. User can according to the specific work to choose.

 

 

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