Cyclic drilling machine

Details Cyclic drilling machine Cyclic drilling machine

1981-10-23

1983-12-20

Briggs, William R.

Cutting by use of rotating axially moving tool

Including means to cause tool to progressively vibrate...

408 11, 403105, B23B 4734

Patent

active

044214413

ABSTRACT:
A drilling machine provided with a feed control device. The feed control device includes a hydraulic cylinder to be engaged with a quill, which is reciprocated by a pneumatic feed device, on the forward midway thereof, a slidable member disposed on a frame in such a manner as to be able to move by a predetermined distance in the movement direction of a ram of the hydraulic cylinder, and coupling device retained on the slidable member for linking the slidable member and the ram. When the quill is once returned backwards in the course of a drilling cycle the ram is also returned backwards together with the slidable member by the predetermined distance, and when the quill is moved forward again the quill is engaged with the ram at a position a little short of the position where the previous drilling cycle was interrupted for being switched there from rapid speed down to slow speed.

REFERENCES:
patent: 3637318 (1972-01-01), Hayes
patent: 4123188 (1978-10-01), Deremo et al.
patent: 4350212 (1982-07-01), Hirose

Affiliated with

Also associated with

Rating

Cyclic drilling machine does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Cyclic drilling machine, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Cyclic drilling machine will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-105330