Metal working – Means to assemble or disassemble – With control means energized in response to activator...
Patent
1997-09-08
2000-11-07
Cuda, Irene
Metal working
Means to assemble or disassemble
With control means energized in response to activator...
2940708, 29714, 29718, B23P 1500
Patent
active
061418617
ABSTRACT:
An improved assembly apparatus and method of assembling workpieces together. The apparatus includes a drive linkage with a linearly movable ram for pushing one workpiece toward the other. The drive linkage also includes a rotatable drive train. In the improved assembly apparatus, a transducer is provided to determine the load existing in the drive linkage, and a resolver is provided to determine the stage of the assembly cycle. A programmable controller is used to correlate this information, and a device is provided for communicating a message related to the correlated information. The transducer may be a strain measuring device or a pressure transducer measuring the pressure in an hydraulic cylinder in the drive linkage. The communications device may be a visual monitor, alarm, recording device, or similar communicator. The system may include a data storage device to receive information on the preferred load or range of loads so that the programmable controller may retrieve this data and compare it to the existing load and warn of or record any undesirable deviation. In the method, the load in the drive linkage is determined, the rotational position of a part of the rotational drive linkage is determined, and this data is correlated and an appropriate communication is made. The apparatus and method may be useful in assuring that a preferred minimum load is applied during assembly for quality control.
REFERENCES:
patent: 3695096 (1972-10-01), Kutsay
patent: 3825811 (1974-07-01), Smith et al.
patent: 4750131 (1988-06-01), Martinez
European Search Report; EPO Form 1503.03.82 (P04C01) and EPO Form P0459; Dated Dec. 16, 1998.
Armenoff David C.
Frey David J.
Amsted Industries Incorporated
Brosius Edward J.
Cuda Irene
Gregorczyk F. S.
Manich Stephen J.
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