What are the hazards of cutting?
The hazards encountered in welding and cutting may be sub-divided into groups as follows:
- Electrical.
- Magnetic Fields.
- Compressed Gases.
- Fuel Gases.
- Inert Gases.
- Cryogenic Gases.
- Radiation.
- Heat, Flames, Fire and Explosion.
What are the most common hazards during metal cutting?
Unguarded machinery, sharp metal, toxic chemicals and dust are just some of the hazards metalworkers face every day. Occupational Safety and Health Association (OSHA) highlights in the following table how metal product manufacturing operations pose a high probability of injuring workers.
Which of the following are hazards of lathe operation?
Metal turning lathe hazards entanglement of clothing in moving parts, such as drive gears, chucks, lead and feed screws and the workpiece. being hit by loose objects on the lathe, such as chuck keys, tools or swarf. entanglement from inappropriate tooling and polishing techniques.
What can reduce common hazards found in welding and cutting operations?
Always wear clean, oil free clothing during welding and cutting operations. Protect the hands with leather welding gloves to avoid burns from radiation and hot molten slag. Low cut shoes and trousers with cuffs or open pockets should not be worn.
What is the OSHA standard for welding?
OSHA’s standards for welding, cutting and brazing in general industry and construction were based on the 1967 ANSI standard Z49. 1. Welding, cutting and brazing are hazardous activities that pose a unique combination of both safety and health risks to more than 500,000 workers in a wide variety of industries.
What is the standard for safety in welding?
The standard refers to a specific eye protection OSHA standard, 1910.133, which contains charts listing the minimal shade numbers needed for protecting welders’ vision during various types of welding, and also says welders’ lenses must comply with the ANSI/ISEA Z87.
Who writes the standards for safety in welding?
the American Welding Society (AWS)
What are the safety precautions in welding?
Welding Safety Precautions
- Welding helmets with side-shields. Welding helmets protect you from UV radiation, particles, debris, hot slag and chemical burns.
- Respirators. Respirators protect you from fumes and oxides that the welding process creates.
- Fire resistant clothing.
- Ear protection.
- Boots and gloves.
What is PPE for welding?
Eye, face, hand/arm, head and body protection (leather gloves, leather apron, gauntlets, safety glasses with side shields, welders helmet or welders goggles) are required that are appropriate to the potential hazards encountered during welding, cutting, brazing, soldering, grinding or other spark producing operations.
What is the AWS standard for welding and cutting?
ANSI Z49. 1 : Safety & Health : Standards : American Welding Society.
What two types of cutting torches are widely used?
There are two types of cutting torches : low-pressure cutting torches and high-pressure cutting torches.
What does ASME stand for in welding?
American Society of Mechanical Engineers
Which fuel gas is used for cutting deep underwater?
Oxy-acetylene flame is most suitable for brazing….Solution:
| Fuel Gas | Hydrogen |
|---|---|
| Supporter of combustion | Oxygen |
| Name of the gas flame | Oxy-hydrogen flame |
| Temperature | 2400 to 2700°C (Medium temperature) |
| Application/uses | Only used for brazing, silver soldering and underwater gas cutting of steel. |
Which flame is used for cutting?
The neutral flame is the flame most generally used when welding or cutting.
What are the safety precautions for gas cutting?
RIGHT OPERATION:-
- Keep the cylinder upright and away from hot jobs.
- Fix the DA and oxygen regulator to the respective cylinders after ensuring free from dirt or grease.
- Connect the cutting hoses to the regulators and cutogen with hose clamps.
- Open the cylinder and check for leakage by soap water test at the joints.
How many types of gas cutting nozzles are there?
Types of gas cutting nozzles. Gas cutting nozzles are supplied in various types. There are three main globally recognized and frequently used nozzles. They are supplied in different sizes, material, bore diameters, and pressure tolerance ability.
Which gas is used in gas cutting?
Acetylene
How do I choose a gas cut nozzle?
Four Steps to Proper Nozzle Selection
- Choose One-Piece or Two-Piece Nozzle: Acetylene – one-piece nozzle always.
- Choose Series: ANM, ANM-E, PNM, PNM-E, AFN nozzles.
- Choose Preheat Capacity: Choice of nozzle depends on preheat capacity.
- Choose Size: Select size recommended for thickness of steel to be cut.