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Metalworking industry - 770 entries found

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  • Metalworking industry

1973

CIS 74-213
Industrial Safety and Health Division, Ministry of Labour, Tokyo.
Safety handbook for metal shear operators.
The Industrial Safety and Health Law (CIS 1057-73, Z (516) and 1064-73, Z (516)) stipulates that workers operating metal shears must receive appropriate training. This handbook is designed as a training manual, with individual sections devoted to: type and structure of shears; safe working methods; inspection and adjustment of shear blades.
Japanese Industrial Safety Association, 35-1, 5-Chome, Shiba, Minato-ku, Tokyo, Japan, Mar. 1973. 92p. Illus. Price: Y.250.

CIS 73-142 Kovačič D.
Safe lathe work
Varno delo s stružnico [in Slovenian]
35 photographs and diagrams with short commentaries illustrating safety rules for turners. The following aspects are considered: body posture; working clothes; safety glasses; cleanliness and good housekeeping; checks and test runs before starting up work; design and fitment of face-plates and chucks; chuck and between-centre work (typical accidents, electrically interlocked guards, etc.); chip formation and swarf evacuation; work with emery cloth, files and scrapers; turning with lathe tools; coolants; measuring; switching the lathe on and off.
Delo in varnost, 1972, Vol.17, No.3, p.98-106. Illus.

1972

CIS 74-1639 Beryllium (Be).
Properties, sources and uses of beryllium, shipping and storage, fire hazards, health hazards, occupational exposure standards (threshold limit value of 2µg/m3 air), area control, housekeeping, local exhaust systems, personal protective equipment, employee training, medical control, beryllium reclamation and waste disposal.
Data Sheet 562, Revision A (extensive), National Safety Council, 425 North Michigan Avenue, Chicago, Illinois 60611, USA, 1972. 6p. Illus. 21 ref. Price: US-$0.50.

CIS 74-1120 Volkov Ju.N.
Accident prevention in mechanical engineering shops
Bezopasnost' proizvodstvennyh processov v mašinostroenii [in Russian]
This manual deals with the following subjects: occupational safety and health in engineering workshops (mechanical hazards, harmful agents and dust); safety engineering (mechanical feed of workpieces, safe chucking of workpieces, removal of effluents and waste materials, explosion and fire prevention, prevention of air pollution, materials handling and storage): safe design of equipment (drives, brakes, visibility, control elements, interlocking devices, tools and fixtures, guards and safety devices, electrical insulation, ventilation, lighting, protection from radiant heat and microwaves, signalling); assembly, testing and inspection of mechanical equipment; responsibilities of supervisory staff.
Izdatel'stvo "Mašinostroenie", ulica Dzeržinskogo 10, 191065 Leningrad, USSR, 1972. 167p. Illus. 10 ref. Price: Rbl.0.67.

CIS 74-848 Wilkinson E.
Workshop familiarization.
Manual intended for engineering trainees to familiarise them with the industrial environment and encourage a favourable attitude towards safe practices in factory work. 5 parts are devoted to: the individual in the factory (working environment, protective clothing, fire and fire precautions, behaviour in workshops); handling materials (lifting and carrying, use of lifting tackle, handling aids); social aspects (need for cooperation, factory jobs, office jobs); communication of ideas (sketching, simple projections, alternative projections, conventional symbols, orders and instructions); factory activity (hand tools, powered tools, use of machinery, industrial health). Examples of practical investigations on workshop familiarisation are included.
Pitman Engineering Craft Series, Pitman House, Parker Street, London WC2B 5PB, 1972. 86p. Illus. Price: @ls0.60.

CIS 72-2250 Buzunov V.A.
Physiological evaluation of the workload of metalworking machine-tool operators
K fiziologičeskoj ocenke naprjažennosti truda stanočnikov-metallistov [in Russian]
Comprehensive occupational physiology studies of centre-lathe, turret-lathe and milling-machine operators, automatic lathe tool setters and toolmakers from various factories, covering muscular effort, pulse rate, arterial blood pressure, and higher nervous activity during work, showed that centre and turret-lathe work is characterised by muscular tension and milling-machine operation and tool setting and toolmaking by nervous tension. Toolmaking may be classified as moderately heavy work, and machining as heavy work. Recommendations are made concerning suitable work breaks and their distribution, and compensatory gymnastics.
Gigiena truda i professional'nye zabolevanija, Jan. 1972, Vol.16, No.1, p.19-22. 13 ref.

CIS 72-2206 Düngemann H., Borelli S., Wittmann J.
Copper and cadmium contact eczema in welders, polishers, electroplaters and similar workers
Über Kupfer- und Kadmium-Kontaktekzeme bei Schweissern, Schleifern, Galvaniseuren und ähnlichen Berufsgruppen [in German]
A review of previous systematic studies (see CIS 64-975) is followed by a report on the skin testing of 256 metalworkers, with particular reference to cadmium sensitization. Clinical findings and medical histories in 9 positive reactions to cadmium sulfate are described, and 5 positive reactions to copper sulfate are analysed. Sensitization is due primarily to exposure to dust and, in the case of cadmium, to contact with cadmium metal or cadmium-containing liquids. Cadmium and copper should form part of the skin test battery whenever metal allergy is suspected. Potential exposure areas in industry are tabulated.
Arbeitsmedizin - Sozialmedizin - Arbeitshygiene, Apr. 1972, Vol.7, No.4, p.85-93. 42 ref.

CIS 72-2096
Hauptverband der gewerblichen Berufsgenossenschaften
Safety rules for metalworking-press controls
Sicherheiteregeln für Steuerungen an kraftbetriebenen Pressen der Metallbearbeitung [in German]
These safety rules lay down minimum requirements for press-control design and use, and relate only to controls which have a direct influence on dangerous ram movements. Individual sections are devoted to: controls; guards; operation selectors; clutch interlocks; protection against external agents and safety-device scotching.
Carl Heymanns Verlag KG, Gereonstrasse 18-32, 5000 Köln 1, Federal Republic of Germany, 1972. 7p.

CIS 72-2097
Hauptverband der gewerblichen Berufsgenossenschaften
Safety rules for two-handed controls on metalworking presses
Sicherheitsregeln für Zweihandschaltungen an kraftbetriebenen Pressen der Metallbearbeitung [in German]
Following definitions and requirements for the use of two-handed controls, minimum equipment and construction specifications are laid down (simultaneous operation, fail-safe arrangement, control design and layout), together with test conditions.
Carl Heymanns Verlag KG, Gereonstrasse 18-32, 5000 Köln 1, Germany (Fed.Rep.), 1972. 6p.

CIS 72-2301 Lebrun M.
Noise control in a zip-fastener-chain production plant
Lutte contre le bruit dans un atelier de machines à fabriquer la chaîne de fermeture à glissière [in French]
Results of noise control tests in a French zip-fastener plant. Noise level measurements on various machines and in various premises revealed maxima of 103dB. Audiometry of 30 or so workers of both sexes allowed tabulation of threshold shifts in frequency bands between 63 and 8000Hz. Trials with hearing protection equipment (muffs, earplugs, glass fibre wadding) were carried out but it was finally decided to control machine noise at source and trials were made with machine enclosures which produced an average noise-level reduction of 14dB on 12 machines.
Revue de la sécurité, Apr. 1972, Vol.8, No.79, p.7-23. Illus.

CIS 72-2206 Düngemann H., Borelli S., Wittmann J.
Copper and cadmium contact eczema in welders, polishers, electroplaters and similar workers
Über Kupfer- und Kadmium-Kontaktekzeme bei Schweissern, Schleifern, Galvaniseuren und ähnlichen Berufsgruppen [in German]
A review of previous systematic studies (see CIS 64-975) is followed by a report on the skin testing of 256 metalworkers, with particular reference to cadmium sensitization. Clinical findings and medical histories in 9 positive reactions to cadmium sulfate are described, and 5 positive reactions to copper sulfate are analysed. Sensitization is due primarily to exposure to dust and, in the case of cadmium, to contact with cadmium metal or cadmium-containing liquids. Cadmium and copper should form part of the skin test battery whenever metal allergy is suspected. Potential exposure areas in industry are tabulated.
Arbeitsmedizin - Sozialmedizin - Arbeitshygiene, Apr. 1972, Vol.7, No.4, p.85-93. 42 ref.

CIS 72-2484 Bödiger J.
Press-accident prevention in mechanical engineering
Unfallverhütung an Pressen der Metallbearbeitung [in German]
Review of hand protection methods: 2-handed controls; photoelectric guards; interlocked guards and fixed guards. The safety and productivity aspects of these systems are considered. Use of enclosed tools and fixed guards ensure a high degree of safety. Accident statistics. Improvement of press safety (limitation of use of 2-handed controls). Description of an anti-repeat stroke device comprising props which are automatically inserted between the table and tup when the ram is at top dead centre.
Die Berufsgenossenschaft, Apr. 1972, No.4, p.123-129. Illus.

CIS 73-731 Schmidt L., Schmidt A.
Metalworking
Metall [in German]
This loose-leaf folder contains safety regulations which must be complied with by all manufacturers, importers and users of metalworking machinery and plant in the Federal Republic of Germany. The existing text (see CIS 72-530) has been supplemented by regulations covering the machining of metal/plastics composites. Also included are the regulations under the Work Equipment Act and directives and data sheets on eye protection, benzene, explosion-hazard premises, press guarding and polyurethane coating materials.
Schriftenreihe Maschinenschutz, Deutscher Fachschriften-Verlag, Felsenstrasse 23, 62 Wiesbaden-Dotzheim, Federal Republic of Germany, Apr. 1972. 1st supplement. 700p. Illus.

CIS 73-374 Chatterjee-Fischer R.
Hardening agents
Härtemittel [in German]
Paper read at the 12th Congress on Occupational Safety and Health 1971 in Dusseldorf. The most common accident causes in a metal heat treatment shop are reported, and safety measures and equipment considered. Particular reference is made to salt baths, the use of gases in carburisation and hardening, carburisation powders, quenching equipment, fire hazards and their elimination.
12th Congress on Occupational Safety and Health 1971, Dusseldorf, Deutsche Gesellschaft für Arbeitsschutz, Hamburger Allee 26-28, 6 Frankfurt-am-Main 90, Federal Republic of Germany, 1972, p.17-22. 5 ref.

CIS 73-554 Anitesco C., Contulesco A.
Studies on the influence of noise and vibration on the behaviour of catecholamines in an environment of industrial noise and vibration
Etude de l'influence du bruit et des vibrations sur le comportement des catécholamines dans l'agression sonore vibratoire industrielle [in French]
In order to study the effect of noise and vibration on the medullo-adrenal and sympathetic systems, the authors examined 80 mechanical engineering workers exposed to noise and vibration and 20 controls; they determined vanillic-mandelic acid (VMA), 17-ketosteroids (17-KS) and creatinine in urine. After 4h of work, exposed workers were found to have a 28% increase in VMA and a 14% reduction in 17-KS. Following 8h of night rest, there was a 15% fall in VMA in comparison with the controls; there was a similar reduction in 17-KS. This shows that, in exposed subjects, recuperation of cell-energy potential does not follow immediately upon the cessation of noise and vibration exposure, due to inadequate endocrine irrigation. Consequently it is necessary to arrange work breaks accordingly and to ensure suitable rest after work.
Archives des maladies professionnelles, July-Aug. 1972, Vol.33, No.7-8. p.356-371. Illus. 12 ref.

CIS 73-641 Johansson B., Kylin B., Roepstorff S.
Investigation of noise in the metalworking industry - Part I: Evaluation of the hearing damage risk from exposure to irregular noise. A field and laboratory study
Undersökning av buller i verkstadsindustri - Del I: Bedömning av hörselskaderisk vid exposition för oregelbundet buller. En fält- och laboratoriestudie [in Swedish]
Report on audiometric tests on 170 young workers exposed to non-steady-state work-shop noise. The authors converted the intermittent noise according to ISO Recommendation R 1999 to an equivalent steady-state noise and correlated the results with the audiograms. The correlation showed that hearing damage increases on the average proportionally to noise level. The results also suggest that the conversion method tends to shift the risk limit by about 5 dB towards more tolerable values. In the laboratory, 20 persons with normal hearing were exposed to equivalent levels of steady-state and intermittent industrial noise. The temporary threshold shifts recorded 15 min after exposure showed that intermittent noise, as converted according to the recommended method, produces a lower threshold shift than steady-state noise.
Arbetsmedicinska Institutet, Fack, S-104 01 Stockholm 60, Sweden, June 1972, 18p. Illus. 4 ref.

CIS 73-965 Niculescu T.
Research on special features of the aetiology and course of silicosis in mechanical engineering workers
Cercetări asupra particularităţilor etiologice şi evolutive ale silicozei în industria constructoare de maşini [in Romanian]
On the basis of all-industry official statistics for occupational diseases, silicosis incidence and prevalence in Romania over the period 1952-1967 were studied and the results obtained in the mechanical engineering industry were compared with those for mines and other industries. Epidemiological studies based on dust determinations and medical records were used to study each case by occupation, length of service, mean duration of exposure to silicogenic dusts, and radiological picture. During the period under consideration, silicosis accounted for 35% of all occupational diseases (all industries) and the mechanical engineering industry accounted for 3.1-7.2% of all cases of silicosis.
Igiena, May 1972, Vol.21, No.5, p.287-291. 9 ref.

1971

CIS 72-1945 Krasnov L.M.
Safety at work - Experience in an engineering works
Bezopasnost' truda - Iz opyta raboty mašinostroitel'nogo zavoda [in Russian]
Individual sections are devoted to: in-plant safety organisation; principles of safety work (initial and on-the-job training, testing knowledge of safety regulations); safety duties of plant management and workers; safety at particularly dangerous workposts (overhead travelling cranes, machine guarding, use of compressed gas and radioactive isotopes, in-plant transport); starting up new or converted machinery; discipline; safety supervision; accident investigation and reporting; occupational hygiene and workplace decoration; role of the community in ensuring safe working conditions. Appendices contain forms for the approval of certain type of work, and accident reports.
Izdatel'stvo Mašinostroenie, 1-j Basmannyj per. 3, Moskva B-66, USSR, 1971. 88p. Illus. Price: Rbl.0.25.

CIS 72-2307 Decree No.1 of 18 May 1971 of the Federal Ministry of Metallurgy and Mechanical Engineering concerning occupational safety and health organisation in fields within its scope
Výnos federálního ministerstva hutnictví a strojírenství č. 1/1971 ze dne 18.5.1971 k zajíštění péče o bezpečnost a hygienu práce v resortu [in Czech]
This decree (effective 1 July 1971) lays down provisions concerning management responsibility and duties, safety and health organisation, related procedures, safety training of workers, and worker-selection rules. Appendices contain: main tasks in worker protection; principles for safety committees of the Ministry of Metallurgy and Mechanical Engineering, and technical and other specialist bodies (toxicologists, dust and noise control specialists, physiologists, lighting engineers, etc.); occupational accident reporting regulations.
Zpravodaj federálního ministerstva hutnictví a strojírenství, 1971, No.4, 7p.

CIS 72-2694 Coates E.O., Watson J.H.L.
Diffuse interstitial lung disease in tungsten carbide workers.
Case reports are given of 12 persons employed in the manufacture or grinding of tungsten carbide who developed a progressive diffuse interstitial pneumonia, characterised clinically by non-productive cough and by dyspnoea on exertion. Lung tissue examined by light microscopy in 8 patients and by electron microscopy in 1 showed interstitial infiltrates of mononuclear and mast cells, desquamated hystiocytes in the alveoli, and various amounts of interstitial fibrosis; 8 of the patients died. Details are given on observation of 5 additional subjects with episodic cough related to carbide dust exposure but without roentgen abnormalities. The disease is a pneumoconiosis caused by inhalation of finely powdered cobalt in the carbide formulation.
Annals of Internal Medicine, Nov. 1971, Vol.75, p.709-716. Illus. 19 ref.

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