Method of sawing a steel structural shape having at least one fl

Details Method of sawing a steel structural shape having at least one fl Method of sawing a steel structural shape having at least one fl

1986-03-17

1987-09-08

Schran, Donald R.

Cutting

Processes

Cut advances across work surface

83 71, 83 72, 83360, B23D 4502

Patent

active

046916016

ABSTRACT:
A flange of a structural shape is cut by a saw apparatus with a rotary metal saw which has a specified number of sawteeth. The structural steel shape lies on a table or roller bed, clamped onto a stationary piece of equipment with a vise, within range of the metal saw. The metal saw is operated at a specified number of r.p.m. and is driven toward the projected sawcut at a specified feed speed. The speed of the cut is determined by the number of r.p.m., the number of sawteeth and the radius of the metal saw. During the sawing process the structural flange is subjected to a forced elastic deflection and is impacted by the thus required restoring force and movements of the sawteeth. These movements are determined by the tooth succession time which, in turn, depends on the number of sawteeth and the number of r.p.m. The oscillation time of the oscillation of the structural flange, which was activated by the elastic deflection, is ascertained. The metal saw is then operated at a number of r.p.m. which has a sufficiently small tooth succession time when compared to the oscillation time. The structural flange is then held fast in a deflected position by the sawteeth succeeding each other.

REFERENCES:
patent: 3789279 (1974-01-01), Dempsy
patent: 4437367 (1984-03-01), Hauser
patent: 4524812 (1985-06-01), Murphy

Affiliated with

Also associated with

Rating

Method of sawing a steel structural shape having at least one fl does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method of sawing a steel structural shape having at least one fl, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of sawing a steel structural shape having at least one fl will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2152180