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Friction kelly bar

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China

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Liaocheng Suny International Co., Ltd

China

Free Member

Contact Person anny

Dongchang west Road, Liaocheng, Shandong

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Product Specification

Product Description

Kelly bar is the key part of a drilling machine, and its quality directly affects the performance of the whole machine. The main purpose of kelly bar is to transfer the torque of rotary drive and crowd pressure of the crowd system to the drilling tool. Based on the rich manufacturing experience and by absorbing the advanced technology both at home and abroad, we can produce first-class kelly bar which can be compared favorably with the imported ones.

The external key of the friltional pressurizing kelly bar has three or six keys ,here is no large concave pressurizing table in the middle ,and there are three keys or six keys wea-resistant bar in the internal key bar . When the driving force rotates, the internal key of the driving sets push the straight bar of the external key of the kelly bar, to drive the rotary drill . the peripheral force which is pruduces when the kelly bar rotaries pass down pressure to produce friction to produce pressure .This kelly bar pressure tansmission in general applicable to the kelly bar soft construction of the layer formation or dritf sand formation . Grinding resistance pressurzing kelly bar is usually formed by five sections or six sections, with the depth in the range of ****0 metre .

Country:	China
Model No:	1
FOB Price:	(Negotiable) Get Latest Price
Place of Origin:	-
Price for Minimum Order:	-
Minimum Order Quantity:	-
Packaging Detail:	-
Delivery Time:	-
Supplying Ability:	-
Payment Type:	-
Product Group :	-