What is Engineering safety
safety engineering is provide to protective work culture and control of workplace accident that may cause worker injuries or disorders
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Effects of dusts, fumes, heat, noise and vibration due to hot and cold working of metals and crush and other injuries due to machine tools are discussed earlier.
Foundry operations like sand handling, sand sieving, sand mill operation, mould making, core making, knockout operation, repair and relining of furnaces and ladles, and metal finishing processes like casting cleaning, fettling, chipping, brushing, air blast cleaning, dry grinding, polishing, buffing and shot/ sand blasting generate dust which contains silica. This may cause silicosis, a serious form of pneumoconiosis resulting in permanent lung damage. It is a notifiable disease under the Factories Act, Mines Act and the Workmen Compensation Act.
Iron dust is exposed to iron foundry workers, electric arc welders and workers doing dry grinding, buffing, polishing and shot blasting. Siderosis is caused due to inhalation of such iron dust (Iron oxide).
Coal dust is generated at furnace, boiler and coal handling work and may cause anthracosis i.e. coal workers' pneumoconiosis. This lung disease may result in more serious progressive massive fibrosis (PMF) leading to a premature death.
Engineering controls include exhaust hood, substitution of wet grinding for dry grinding, hydro blasting for sand/shot blasting etc. and built-in dust collecting devices with dust generating machines. In addition, workers should wear safety goggles and dust masks or proper respirators.
Medical controls include pre and post employment medical examinations including X-ray, sputum test, lung function test etc. Epidemiological analysis of dust exposure can provide a measure of efficacy of a dust control device.
High noise in pneumatic chipping, resistance welding and other engineering operations can cause auditory effects of hearing loss and occupational deafness (a notifiable disease) and non-auditory effects of change in heart rate, blood pressure and sweat rate, annoyance and disturbance in work and psychological and psychomotor effects.
Engineering controls for noise include substitution of quieter machinery, quieter process, enclosure to noisy equipment (e.g. silencer, noise insulators etc.) or/and enclosure to operators (soundproof cabin). Workers should wear ear plugs/ muffs where necessary.
Medical controls include pre and post medical examinations of workers, audiometric tests for hearing capacity and change of work area if necessary.
Painting and spraying on castings or finished parts evolve fumes which may be toxic and/or flammable. Proper spray painting booths with air suction and water curtain are necessary. Safety goggles,fume mask, hand gloves and apron should be worn. Dipping is preferred to spraying.
Workers working near excessive heat (e.g. furnaces, molten metal, glass blowing etc.) should be given cold drinks or water and heat protective clothing to reduce heat effect. Heat source should be shielded by insulation and reflectant or absorbent shields.
Natural ventilation to allow cool fresh air, induced cool dehumidified air into hot workplaces and local blowers to give individual relief are useful for comfort. For protection against skin effect due to cutting or lubricating oil, coolant etc., proper gloves, barrier creams and medical advice are necessary.
Health measures including general cleanliness, disposal of wastes and effluents, good lighting and ventilation, temperature control, dust, fume and gas removal, humidity control, drinking water, latrines, urinals and spittoons and avoidance of overcrowding, as expected under the Factories Act and Rules are the statutory requirements.
Welfare facilities should include washing and bathing facility, drenching showers, emergency shower, eye washer, sitting arrangement, cloak or change room, lockers, rest room, lunch room, canteen, creche, 'towels, soaps, first-aid centre and medical help etc.
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safety engineering is provide to protective work culture and control of workplace accident that may cause worker injuries or disorders
Read moreThe following general types of safety are considered in the workshop.
1. Safety of self.
2. Safety of job.
3. Safety of machines tools.
Developing a solid safety plan is vital in workplaces, and recreational areas. It starts with a thorough risk assessment to identify potential hazards and assess their possible impact. Equally important is being well-prepared for emergencies, involving the creation of clear plans for different scenarios.
read moreA large number of revolving, rotating, reciprocating and moving parts of machinery can besaid as the sources of danger and require guarding for protection against accidents.
read moreThe accidents are unwanted events or mishaps that result in some sort of injury to men, material, machines, tools, equipment and semi or finished product hence, a loss to the whole establishment.
read moreFew safety measures commonly used in industries comprise of the proper safety guards for reciprocating machine components such as drop hammers, presses, shaper, slotter, power hacksaw, paper cutters etc., fencing of dangerous and rotating parts like revolving shafts,
read moreThe common methods of safety are as follows:
1.Safety by construction or design.
2.Safety by position.
3.Safety by using fixed guards.
4.Safety by using interlock guards.
5.Safety by using automatic guards.
Safety Precautions while Working with Different Cutting Tools: Like as Make files, cutting, Chisels, Saws, Reamers, Tap and Dies, Abrasives.
read moreSafety Precautions while Working with Different hand Tools: Like as Screw Drivers, Wrenches, Hammers.
read moreThey must be strictly followed for safety. Specific safety guidelines for some of the machine process like lathe, drilling, shaping, planning slotting, grinding, milling, and finishing operations.
read moreReplace Cracked Grinding Wheels: If you notice that the grinding wheel is badly cracked, replace it promptly. Damaged wheels can lead to accidents during operation.
read moreAll foundry men should wear protective clothes, glasses, shoes, and gloves while handling molten metal for casting process.
read moreA welding shop is where metal pieces are joined using heat or pressure. Safety and proper equipment are essential for efficient welding processes.
read moreFactory Act is to safeguard workers from industrial hazards and ensure a secure and improved working environment, with specific provisions outlined for the fencing of machinery and other safety measures.
read moreIn industry, an inquiry is normally ordered for electrical accident. Items carrying electricity should be properly insulated. Ageing of insulation withstand capacity and should not be allowed to leak current.
read moreThe main factors for combustions are presence of oxygen, availability of combustible materials and rise of temperature to the ignition point for the material The cause of fire accidents may be electric-short circuit.
read moreThe main factors for combustions are presence of oxygen, availability of combustible materials and rise of temperature to the ignition point for the material The cause of fire accidents may be electric-short circuit.
read moreEffects of dusts, fumes, heat, noise and vibration due to hot and cold working of metals and crush and other injuries due to machine tools are discussed earlier.
read moresometimes accidents may also occur in industries. After major or minor accidents, an injured worker requires immediate preliminary treatment in the absence of same his condition may become highly critical.
read moresA Cupola furnace is utilized for melting recycled metal or pig iron to manufacture diverse cast irons. Crucial factors in choosing cupolas include melting capability, shell diameter with or without lining, and spark arrestor.
read moreAntidotes are therapeutic agents used to counteract the toxic effects of specific xenobiotics. These are heterogenous group of substances consisting of pharmaceuticals, biological agents and immunoglobulin fragments.
read moreThis Glossary of safety to help understand basic term of safety
read moreSafety Manufacuturing PPE Automation & Mechanization Friction Lubricants Classification of manufacturing advantage and dis. LPG 5S News fire prevention ci vs si engine Gear LPG vs petrol
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