Cutting – Means to drive or to guide tool – Means to change datum plane of tool or tool presser stroke
Patent
1989-02-28
1990-06-12
Watts, Douglas D.
Cutting
Means to drive or to guide tool
Means to change datum plane of tool or tool presser stroke
83684, 83145, B26F 114
Patent
active
049323008
ABSTRACT:
The punch press with a control mechanism for the displacement of a punch tool carriage and a punch tool mounted therein comprises a machine frame, a punch tool carriage movable up and down in the machine frame, a die-bearing member having a workpiece receiving portion mounted on the machine frame positioned opposite the punch tool carriage, a stripper on the machine frame adjustable in height for different workpiece thicknesses and a control mechanism having a plurality of controlling element pairs including a plurality of control cams and associated control switches. An additional control switch connected with a controlling element support extending vertically upward from the stripper is provided and one of the control cams associated with the additional control switch is slidably mounted on twin guide rods on the punch tool carriage and positioned on the punch tool carriage according to the different lengths in the punch travel direction of different punch tools and/or according to the height of the stripper.
REFERENCES:
patent: 4378717 (1983-04-01), Schneider et al.
Dubno Herbert
Lianides Ronald
Peddinghaus Carl Ullrich
Peterson Kenneth E.
Watts Douglas D.
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