Mandrel reducing repair
Key words: petroleum drilling tool
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The company uses self-developed high-performance composite materials with unique surfacing technology for the equal/variable diameter repair of various rolling tools, which ensures the durability and reliability of the repaired tools, including mandrels, jacks, jacks, straightening rollers, V-shaped rollers for conveyor rollers, etc.
Common mandrel repair process
Rough car → reactor → heat treatment → finish car → polishing → proud jump → hydrogen removal → phosphating
Related Products
The above-mentioned forging products smelting methods can be electric arc furnace smelting, vacuum degassing or electroslag remelting, delivery status can be annealing, normalizing (tempering), roughing, quenching and tempering heat treatment, etc., and can be magnetic powder inspection or ultrasonic inspection.
According to GB, ASTM, DIN, JIS and other standards and the enterprise standard production of a variety of specifications of high-performance die flat steel, and according to user requirements to forging annealing state or pre-hard treatment state delivery.
According to the standards of the Ministry of Machinery Industry (JBTT) or the technical agreements signed by both parties and other user requirements, EBT LFND ESR smelting process can be used for forging and forming by hydraulic fast forging machine and precision forging machine. Large forged alloy steel hot rolled working rolls, forged alloy steel cold rolled working rolls, large forged alloy steel backup rolls and continuous casting rolls can be produced and delivered according to the machining state or quenching and tempering heat treatment state according to user requirements.
It can be produced according to the standard or the technical agreement signed by both parties, using EBT LFND AOD(ESR) smelting, through the hydraulic fast forging machine billet, precision forging machine forging forming. Can produce outer diameter ≤ φ800mm, length <15000mm, finished product weight <30t, finished product round bar, tube blank, shaft, etc.
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Address: Tunjun, Wenchang South Road, Jiyuan City
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