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Machine Guarding

When safeguarding metal turning equipment, the general requirements that apply to these types of machines are in OSHA's (Occupational Safety and Health Act) Code of Federal Regulations. The following is a list:

  1. An Act Public Law 91 - 596, 91st Congress, S. 2193, December 29, 1970, Duties, Section 5(a)(1)(2)(b)

  2. OSHA's 29 Code of Federal Regulations, Subpart O, that an employer (user) must comply with include:
    Section 1910.211 Definitions
    Section 1910.212 (a) General Requirements for all Machines
    Section 1910.213 Woodworking Machinery Requirements
    Section 1910.215 Abrasive Wheel Machinery
    Section 1910.219 (b)(1) Mechanical Power-Transmission Apparatus (Flywheel and Gear Covers)
  3. OSHA's 29 Code of Federal Regulations, Subpart J, 1910.147 The Control of Hazardous Energy (Lockout/Tagout)

  4. OSHA's 29 Code of Federal Regulations, Subpart S, Electrical, 1910.301 - 1910.399

    These publications can be acquired by contacting:

    US Department of Labor
    Occupational Safety and Health Administration
    Washington, DC 20210
    (202) 219-5257

For guidance and further clarification of the standards, please refer to the following OSHA Directives:

The basic regulation, in Section 1910.212, states that any machine that creates a hazard must be safeguarded to protect the operator and other employees. OSHA can also cite violations by referencing other standards such as the ANSI (American National Standards Institute) B11 series. The following is a list of each ANSI B11 Series Standard available at the printing of this publication.

Note: These are NOT OSHA regulations. However, they do provide guidance from their originating organizations related to worker protection.

B11.1
B11.2
B11.3
B11.4
B11.5
*B11.6
B11.7
*B11.8
*B11.9
B11.10
B11.11
B11.12
B11.13
B11.14
B11.15
B11.16
B11.17
B11.18
*B11.19


B11.20
B11/TR.1
Mechanical Power Presses
Hydraulic Presses
Power Press Brakes
Shears
Iron Workers
Lathes
Cold Headers and Cold Formers
Drilling, Milling and Boring
Grinding Machines
Sawing Machines
Gear Cutting Machines
Roll Forming and Roll Bending
Automatic Screw/Bar and Chucking
Coil Slitting Machines
Pipe, Tube and Shape Bending
Metal Powder Compacting Presses
Horizontal Hydraulic Extrusion Presses
Coil Processing Systems
Performance Criteria for the Design, Construction, Care and Operation of Safeguards as Referenced in the Other B11 Machine Tool Safety Standards 
Safety Requirements for Manufacturing Systems/Cells
Ergonomic Considerations for the Design, Installation and Use of Machine 
Tools

* ANSI Standards for Turning Machines

B11/TR.1

B11/TR.2
B11/TR.3
B11/TR.4
R15.06
*01.1
Ergonomic Considerations for the Design, Installation and Use of Machine Tools
Mist Control
Hazard ID and Control
Risk Assessment
Robotic Safeguarding
Woodworking Machinery
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