Drill pipe straightener

Brand Name:SPT
Certification:CE, ISO
Model Number:168
Minimum Order Quantity:1
Payment Terms:TT LC
Place of Origin:China
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Location: Suzhou China
Address: Room C west 205, No 17,19 Songxianzhou Road, Suzhou
Supplier`s last login times: within 26 hours
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Product Details

1. Process data

1.1 Product specification

Pipe dia. Φ60~Φ168 mm

Pipe WT 5~25 mm

Pipe length ≤15 m

1.2 Pipe OD tolerance before straightening: ±1.5%

1.3 Pipe ovality before straightening ≤1.2%(max OD tolerance no more than 3mm)

1.3 Pipe quality after straightening

Straightness: pipe ends in 1m ≤1mm/m

pipe≤1mm/1.5m

Pipe roundness: improve 50% on original basis

Pipe whole length bending degree: no more than 0.15% of whole length

Surface quality: no cutting marks, and concave


2. Process flow description


This straightener is for straightening of pipes by upper and lower roller bending deformation, pipe inner stress released, and at the same time, improving pipes surface quality, reaching the dimension precision required of process. The pipes in bundle craned to inlet charging table, kicking to inlet roller table by kicking device piece by piece, roller table lifted up, then the pipes transferred to straightener main mill, after biting, roller table fall down, after straightening, the pipes transferred to outlet table and kicked into storing and collecting basket.


China Drill pipe straightener supplier

Drill pipe straightener

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