MAIT HR130 interlocking kelly bar for drilling rig

MAIT HR130 interlocking kelly bar for drilling rig

Specifications

Interlocking and Friction kelly bar: 
1.Light weight 
2.High strength 
3.Good abrasion resistance 
4.Cost-effective

Kelly Bar is the key part of a drilling machine , and its quality directly affects the whole machine based on the rich maunfacturing experience and by absorbing the advanced technology both at home and board, we can produce first-class kelly bars which can be matched with drilling rigs of Bouer, Sany, Soilmec,MAT,IMT,Casagrande,etc

1.Adopt the advanced technology of 6-key design in the world and standard modulor design 

2.Equipped with advanced processing facilities . processing technic and manufacturing equipments,DZ kelly bar enjoys  a low weight,high strength,high straightness of single bar,thinner tube,smaller inter-tube distance and good resistance.

3.The raw materials are either imported from Germany like the high abrasion resistance materials ,or from chinese top manufacturer such  as the seamless steel tube with alloy.Material details as below:

First section :16MN(Q345B)

Second section:16MN (Q345B)

Third section:27 SiMn

Forth section:35 CRMO

There are mainly two types of kelly bars:

1.Interlocking Kelly Bar 

2.Frction Kelly Bar

1) interlocking Kelly Bar

Interlocking kelly bars are used with pilling rigs for drilling in dense sand,gravel and weak to strong rock . The interlocking kelly bars can be 

fully locked by mechanical locking system on each sectiong. Kelly bars can be equipped with specially designed springs or pressure plates for shock absorbing purpose.

What is the Specifications of interlocking kelly bar?

Please check details as below:

2) Friction Kelly bar 

Friction Kelly bar is another type kelly of bar ,which the external key is composed of 3 or 6 wear -resistant strip without pressunrizing point .This kelly bar can form pressure force when the kelly bar is rotary.can produce peripheral force and the rotary passing down the pressure force,can produce the friction force.This kelly bar has the advantage of opeerating sample .drilling deep ,but with less pressure transmission.So this kelly bar is suitable for the soft and silt layer.

What is the Specifications of frction kelly bar?

3) Combined Kelly bar 

1.high efficiency 
2.low price and best service

   Main application: Used in the hard strata above, but soft blow deep pile hole construction. 

What is the Specifications of frction kelly bar?

What is FAE kelly bar?

What are FAE kelly bar production ?

What are FAE accessories of kelly bar ?

What are FAE accessories for drilling rig ?

What are FAE  delivery?

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