Subchapter E. MACHINE TOOLS
GENERAL PROVISIONS Sec.
29.211. Definitions.
29.212. Scope.
29.213. Penalty.
SPECIFICATIONS
29.221. All installations.
29.222. New installations.
29.223. Existing installations.
Authority The provisions of this Subchapter E issued under the act of June 2, 1913 (P. L. 396, No. 267) (71 P. S. § § 1441—1451); and section 15 of the act of May 18, 1937 (P. L. 654, No. 174) (43 P. S. § 25-15), unless otherwise noted.
Source The provisions of this Subchapter E adopted July 8, 1920; amended through May 1, 1967, unless otherwise noted.
GENERAL PROVISIONS
§ 29.211. Definitions.
The following words and terms, when used in this subchapter, have the following meanings, unless the context clearly indicates otherwise:
Guarded, encased or enclosed—The object is so covered, fenced or surrounded that contact which may result in injury, at the point of danger is remote.
Hazardous—The location of an object so accessible that it permits contact that may result in injury.
Machine tool—Any power-driven machine that employs a tool for working on metal. The counter shaft shall be considered a part of the machine.§ 29.212. Scope.
This subchapter sets forth rules to safeguard the lives and limbs of workers in industries in which machine tools are used, and places the responsibility for complying with such rules upon both employer and employe.
§ 29.213. Penalty.
Any person who violates any of the provisions of this subchapter or any regulations of the Board, or who interferes with the Department or its duly authorized representative in the enforcement of this subchapter or regulations shall be penalized under the provisions of section 15 of act of May 18, 1937 (P. L. 654, No. 174) (43 P. S. § 25-15).
SPECIFICATIONS
§ 29.221. All installations.
(a) Starting and stopping. Each machine tool shall be provided with a starting and stopping device such as belt shifter, clutch, switch, or the like, accessible to the operator, that effectively controls the machine tool. Machine tools that are part of a unit when the starting or stopping of one machine may interfere with others of the unit, are excepted from this requirement.
(b) Clutches and couplings. Clutches and couplings shall be of the safety type with nuts and bolts countersunk or protected by a flange.
(c) Openings. Openings in bed frames on planers and boring mills shall be covered with a sheet metal apron substantially fastened in place. All openings in planer housing up to seven feet shall be guarded.
(d) Platforms. Balconies or runways on machine tools shall be considered working platforms and so guarded.
(e) Hollow spindle lathes. Material being worked on hollow spindle lathes shall be guarded a full length back of chuck while revolving.
(f) Cams and counterweights. Cams shall be guarded. Counterweights that present a shearing or crushing hazard when exposed to hazardous contact, shall be guarded.
(g) Chip guards. Chip guards shall be provided at machine tools when there is an eye hazard from flying chips or cuttings.
(h) Setting stops. The practice of changing stops (dogs) is prohibited while the planer table is in motion.
(i) Machine tools. Oiling of moving parts of the machine tools is prohibited. Cleaning of machine tools while in motion is prohibited. Riding upon the machine tool table is prohibited.
(j) Hazards. Belts, gears, sprockets, pulleys, chains, friction drives, revolving couplings, and clutches, when exposed in hazardous contact within 6 feet of the floor or working platform, shall be encased. Spokes presenting a shearing hazard shall be guarded.
§ 29.222. New installations.
(a) Face plates. Face plates, chucks, and collets shall be cylindrical with no projecting parts beyond the rim.
(b) Clearance. Planers shall have not less than 24 inches clearance at sides and ends of travel of the planer table, the work being machined, and its chucking.
§ 29.223. Existing installations.
(a) Clearance. When the clearance at the sides and the ends of travel of the planer table, the work being machined, or its chucking is less than 24 inches at any point, means shall be provided to prevent hazardous contact.
(b) Projections revolving. Revolving set screws, couplings, clutches, keys, or other projections not encased by the housing of the machine, when exposed to hazardous contact, shall be guarded. The covering of set screws with leather or wood blocks is prohibited.
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