2008-9-19 · HAND AND PORTABLE POWERED TOOLS . A. INTRODUCTION . 1. This Chapter applies to Smithsonian Institution (SI) employees engaged in the use of machinery, powered hand tools, and manual hand tools. This Chapter also provides SI employees requirements for the safe handling and use of: a. Machinery (also known as Industrial equipment ) b. Power tools


2017-10-19 · Contents. 1 Grinding Safety. The portable grinder is used in the field or maintenance shop to grind excess metal from welds, remove rust, and for special finishing operations. Since this tool is hand operated, the quality of …

Grinding and Polishing

2021-12-12 · Adapted from the 3rd edition, Encyclopaedia of Occupational Health and Safety. Grinding generally involves the use of a bonded abrasive to wear away parts of a workpiece. The aim is to give the work a certain shape, correct its dimensions, increase the smoothness of a surface or improve the sharpness of cutting edges.

Bench Grinder Safety

2020-8-14 · grinder guards should have side guards that cover the spindle, end nut, and flanges. It must cover 75% of the wheel''s diameter. 12 Work Rest Guard Do make sure your bench grinder has an adjustable work rest that is kept adjusted to 1/8 inch or less from the wheel''s grinding face.

Toolbox Talk

2016-2-17 · Toolbox Talk - Portable Grinders. February 17, 2016 – By #Dean Kurtz Construction Company. Like all power tools, portable grinders can present safety concerns, including flying particles and electrical hazards. This procedure outlines requirements in the Occupational Safety & Health Administration''s (OSHA) standards regarding abrasive wheels ...

Grinder Safety -Hazards, Precautions, PPE

2019-8-10 · Grinding Machine Operator Competency. Only competent personnel trained in the use of grinding machine shall be allowed to use portable grinders. Personnel tasked to use grinders shall attend grinder safety training before they are allowed to use grinding machines. Grinder SafetyPrecautions. Grinders shall Be equipped with the ''dead man switch''.


2009-3-10 · National Standard Safety Code for Portable Air Tools, ANSI B186.1-1975 (1). For types 27 and 28 depressed center grinding wheels, paragraph states the following requirements: "A safety guard for vertical or angle grinders using …


2021-12-17 · Safety guards used on machines known as right angle head or vertical portable grinders shall have a maximum exposure angle of 180 deg., and the guard shall be so located so as to be between the operator and the wheel during use. Adjustment of guard shall be such that pieces of an accidentally broken wheel will be deflected away from the operator.


2018-7-16 · Wheel guard: Securely attached to the grinder. If guard is adjustable, does it adjust freely then lock into place? o Ensure guard is the correct size per the specification label o Ensure guard is the proper type for the tool being issued o Check for condition of guard; replace if bent, cracked, or altered in any way

Portable tools

2020-6-29 · wheel. Abrasive grinder exposure must not exceed a maximum angle of 180 degrees and the top half of the wheel must be enclosed at all times. The guard must be mounted so it maintains proper align-ment with the wheel. Vertical "right angle" grinders must have a 180-degree guard between the operator and wheel. The

IS 1991-4 (1988): Safety requirements for the use, care ...

2018-11-14 · IS : 1991 ( Part 4 ) - 1988 FIG. 3 PORTABLE GRINDERS, TYPES 27 AND 28 WHEEL 4. Guard Exposure Angles - The maximum exposure angles for the guards are specified in 4.1 to 4.10. The angle of exposure shall be measured …

Does "Subpart P

2021-11-1 · Subpart P provides the requirements for hand and portable powered tools and other hand-held equipment and applies to many employers in general industry that have machine shops, garages or other work areas where hand and portable powered tools are used. It also provides definitions for this subpart including:. Tool - An explosive-actuated fastening tool, …


2020-6-11 · The grinder operator is the key to safety. Grinder operators shall follow the manufacturer''s recommendations for safe equipment operation and maintenance. Before starting engine(s), check to see that the center feed wheel yoke locks, grinder hammer, and the clutch are disengaged. When using tub grinders, take care to ensure the tub

29 CFR § 1910.243

2021-9-14 · (a) Portable powered tool - (1) Portable circular saws. (i) All portable, power-driven circular saws having a blade diameter greater than 2 in. shall be equipped with guards above and below the base plate or shoe. The upper guard shall cover the saw to the depth of the teeth, except for the minimum arc required to permit the base to be tilted for bevel cuts.

A Lesson in Angle Grinder Safety

2018-6-11 · When it comes to angle grinder safety, the appropriate guard also needs to be in place and positioned between the spinning accessory and the operator. Most grinders come with a Type 27 guard, but when using a Type 1 wheel (a flat cut-off or slicer wheel) a Type 1 wheel guard must be in place. This is an ANSI


2020-4-25 · Portable Grinders – Grinders with a rated capacity exceeding 55 mm are to have a disc guard that meets the criteria stated in AS/NZS 60745.2.3:2006. The guard helps to protect operator from broken disc fragments and accidental contact with disc. – The guard may be removable either with the aid of a tool or by fulfilling the

Band Saw Safety

Fully guard or enclose all portions of the saw blade, except for the working portion of the blade between the bottom of the blade guard guide rolls and the table [OSHA 1910.213(i)(1)]. This includes guarding or enclosing any exposed blade under …


29 CFR § 1910.243 - Guarding of portable powered tools ...

Floor and Bench Grinder Checklist

2021-8-27 · grinding wheels 180 degrees or less? 15. When in use, is the guard on right angle head or vertical portable grinders located between the operator and the wheel? 16. Is the guard on right angle head or vertical portable grinders adjusted so that pieces of a broken wheel will be deflected away from the operator? 17.

Angle Grinder Safety

2018-12-7 · than that of the angle grinder. Adjust guards to deflect flying particles away from operator. • Use an 180° guard between operator & wheel. Before use inspect wheelsfor cracks, defects and wear. Replace worn discs. • Perform "ring test" as appropriate. Allow grinder to come to full speed and warm up to a complete stop after use.

safety procedure using grinding machine

safety procedure using grinding machine 5 Safety Precautions when Using Your Angle Grinder Safety in the use of abrasive wheels Date of publication 2000 the guide also focuses on details such as wheel characteristics safety in grinding machine operations wheel mounting procedures and issues guards extra considerations for portable or hand...

Use of Portable Grinders : OSH Answers

2021-5-31 · Right-angle grinder - the grinding face of the wheel or disc is at an angle of between 5 and 15 degrees from the grinding surface. Vertical grinder - the grinding wheel face is in contact with the surface. Use racks or hooks to store portable grinders. Stand away from the wheel when starting grinders. Warn co-workers to do the same.

SECTION 6 Machine & Tool Safety

2019-9-20 · Grinder Requirements and Safeguards All grinders must be mounted to floors or benches. The tool rest must be adjusted within one-eighth inch of the grinding wheel. Adjustable tongue (spark) guards should be within one-fourth inch from the wheel. Side guards must cover the spindle, nut and flange, and at least 75% of the wheel. Safety

Machine safeguarding at the point of operation

2020-4-16 · that struck the grinder operator. The wheel guard was unable to contain the fragments from the 30-by-2-inch abrasive wheel. As a result of that investigation, OSHA proposed willful and serious citations alleging the lack of a preventative maintenance program, failure to ensure the grinder was running at an appropriate speed within the grinding ...


A portable tool is one that requires a power source to operate, such as electric, pneumatic, liquid fuel, hydraulic, explosive-actuated, and powder-actuated device or power supply. Power tools can be hazardous if used improperly. Examples of regulated portable power tools include: Portable abrasive wheels and grinders Lawn mowers

Vertical Portable Grinders | UpCodes

1910.243 (c) (3) Vertical Portable Grinders. Safety guards used on machines known as right angle head or vertical portable grinders shall have a maximum exposure angle of 180 deg., and the guard shall be so located so as to be between the operator and the wheel during use. Adjustment of guard shall be such that pieces of an accidentally broken ...

Portable Grinder

2015-7-21 · Portable Grinder I. Competencies Given a properly adjusted portable grinder, instruction and demonstration of use, each student will be able to: A. Identify the major parts of the portable grinder. B. Complete a written test on safety and operating procedures of the portable grinder with 100 percent accuracy.

Hand and Portable Power Tool Safety Program | …

This Plan covers site-specific practices and requirements for safe hand and portable power tool operation and maintenance. The Plan applies to (list non-exhaustive): Hand-held tools and portable equipment with point-of-operation hazards or physical defects such as broken handles, mushroomed heads, or dull edges that may cause an injury to the user.

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