Metal working – Method of mechanical manufacture – With testing or indicating
Patent
1987-02-19
1989-02-21
Echols, P. W.
Metal working
Method of mechanical manufacture
With testing or indicating
294263, 425186, 425193, B23Q 1722
Patent
active
048052850
ABSTRACT:
A method of changing the mold assembly upon a plastic molding machine having fixed and movable platens mounting a mold assembly to be replaced which comprises the steps: positioning the replacement mold assembly upon a floor surface spaced from and in the plane of the fixed platen, aligning an overhead crane with a cable and support track within the plane for reciprocal movements of the crane and positioning the crane to overlie the machine and hooking the cable to the mold assembly. Further steps include disconnecting the fasteners between the mounting plates on the mold assembly and platens and with the platens separated, lifting the mold assembly from the platens and transporting the mold assembly in the platen plane and lowering the mold assembly to the floor surface in alignment with a replacement mold assembly. Additional steps include positioning the crane above the replacement mold assembly and hooking its cable thereto, lifting and transporting the replacement mold assembly into alignment with the machine center line and lowering the replacement mold assembly into registry with the platens with its mounting plates located, centered and supported upon the platens, and with the platens brought together, reconnecting the fasteners between the mounting plates and platens. A molding machine with fixed and movable platens has a separable mold assembly including spaced mounting plates located, centered and supported upon the platens. The support of each mounting plate includes an upwardly tapered guide and support plate secured to each platen and received within a corresponding similarly shaped undercut slot in each mounting plate, and fasteners interconnecting top and bottom portions of the mounting plate with the corresponding platens.
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patent: 4515546 (1985-05-01), Medwed
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patent: 4529371 (1985-07-01), Nickly
patent: 4544340 (1985-10-01), Hehl
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Cuda Irene
Echols P. W.
Morency Carol S.
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