DE2507098

Drive mechanisms are disclosed for underdriven and top driven, double action, sheet metal drawing presses. The drive mechanisms include a rotating crank, a connecting link, a constraining link, a slide link between the connecting link and press plunger, and a slide link between the constraining link...

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Main Authors LOSE, JOHN GEORGE, LANSDOWNE, PA, ROTH, JOHN F., SALEM, OHIO
Format Patent
LanguageEnglish
Published 23.05.1979
Edition2
Subjects
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Abstract Drive mechanisms are disclosed for underdriven and top driven, double action, sheet metal drawing presses. The drive mechanisms include a rotating crank, a connecting link, a constraining link, a slide link between the connecting link and press plunger, and a slide link between the constraining link and work holder crosshead. The crosshead is drivingly interconnected with the work holder slide through a separate linkage arrangement. Rotation of the crank reciprocates the plunger slide to impart motion characteristics thereto during the total plunger stroke which includes high approach and return velocities with respect to the work stroke of the plunger and a slow down of the plunger during the work stroke. Further, the blank holder slide is driven in response to rotation of the crank to have an extended dwell in the blank holding position with a minimum rise of the blank holder slide during dwell.
AbstractList Drive mechanisms are disclosed for underdriven and top driven, double action, sheet metal drawing presses. The drive mechanisms include a rotating crank, a connecting link, a constraining link, a slide link between the connecting link and press plunger, and a slide link between the constraining link and work holder crosshead. The crosshead is drivingly interconnected with the work holder slide through a separate linkage arrangement. Rotation of the crank reciprocates the plunger slide to impart motion characteristics thereto during the total plunger stroke which includes high approach and return velocities with respect to the work stroke of the plunger and a slow down of the plunger during the work stroke. Further, the blank holder slide is driven in response to rotation of the crank to have an extended dwell in the blank holding position with a minimum rise of the blank holder slide during dwell.
Author ROTH, JOHN F., SALEM, OHIO
LOSE, JOHN GEORGE, LANSDOWNE, PA
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RelatedCompanies GULF & WESTERN MANUFACTURING CO., SOUTHFIELD, MICH. (V.ST.A.)
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Snippet Drive mechanisms are disclosed for underdriven and top driven, double action, sheet metal drawing presses. The drive mechanisms include a rotating crank, a...
SourceID epo
SourceType Open Access Repository
SubjectTerms MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
PERFORMING OPERATIONS
PRESSES
PRESSES IN GENERAL
PUNCHING METAL
TRANSPORTING
WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
Title DE2507098
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