Lofting and unfolding method for round-sky and square-earth base

The invention relates to the technical field of ship construction, and discloses a lofting and unfolding method for a round-sky and square-earth base, which comprises the following steps: S1, drawing a three-dimensional diagram of a neutral line of an outer plate of the round-sky and square-earth ba...

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Hauptverfasser:	ZHOU JIAHAO, ZHONG JIHONG, LIU YUPING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EQUIPMENT FOR SHIPPING HAND TOOLS MANIPULATORS PERFORMING OPERATIONS PORTABLE POWER-DRIVEN TOOLS RELATED EQUIPMENT SHIPS OR OTHER WATERBORNE VESSELS STORAGE MEANS FOR WORKSHOPS TRANSPORTING WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK
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creator	ZHOU JIAHAO ZHONG JIHONG LIU YUPING
description	The invention relates to the technical field of ship construction, and discloses a lofting and unfolding method for a round-sky and square-earth base, which comprises the following steps: S1, drawing a three-dimensional diagram of a neutral line of an outer plate of the round-sky and square-earth base, and rounding a rectangle of a lower opening; s2, the outer circle of the upper opening is equally divided according to the set number, all fillets of the rectangle of the lower opening are equally divided, and bisectors are obtained; s3, respectively expanding a triangular plane ABC and an adjacent conical curved surface ABD in the neutral line three-dimensional diagram to obtain an expanded plane graph; and S4, repeating the step S3 to obtain an expanded view of other triangular planes and the conical curved surface. Lofting and unfolding are carried out by taking a three-dimensional diagram of the neutral line of the outer plate as a reference, meanwhile, a lower opening rectangle of the neutral line is chamf
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language	chi ; eng
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subjects	EQUIPMENT FOR SHIPPING HAND TOOLS MANIPULATORS PERFORMING OPERATIONS PORTABLE POWER-DRIVEN TOOLS RELATED EQUIPMENT SHIPS OR OTHER WATERBORNE VESSELS STORAGE MEANS FOR WORKSHOPS TRANSPORTING WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK
title	Lofting and unfolding method for round-sky and square-earth base
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