Standard Practice for Safety Requirements in Metal Casting Operations: Sand Preparation, Molding, and Core Making; Melting and Pouring; and Cleaning and Finishing

ABSTRACT
This practice covers the safety requirements for applying the design, construction, and operation of machinery and equipment used in metal casting operations. These operations include sand preparation, molding, and core making; melting and pouring; and cleaning and finishing. This practice does not apply to die casting operations. This aim of this specification is to minimize the possibility of injury to operating and maintenance personnel while working on, or in the vicinity of, the specified equipment.
SCOPE
1.1 This practice covers the requirements of applying the design, construction, and operation of the machinery and equipment used in metal casting operations—sand preparation, molding and core making, melting and pouring, and cleaning and finishing. This practice does not apply to die casting operations.  
1.2 Purpose—The requirements of this practice, including the training of supervisors and employees, are intended to minimize the possibility of injury to operating and maintenance personnel while working on, or in the vicinity of, the specified equipment. Compliance with this practice, in conjunction with OSHA regulations, provides a relatively safe environment, which is a fundamental requisite in helping to prevent occupational injuries.  
1.3 Application:  
1.3.1 New Installations—After the date of publication, all new installations within the scope of this specification shall be in conformance with its requirements. Any existing machine installation moved to a new plant or another location in the same plant is deemed a new installation when it is installed in the new location. However, an existing installed machine (former installation) that is moved for a short distance, for example, to provide additional aisle space, is not deemed to be a new installation.  
1.3.2 Existing Installations—After the approval date of this practice, installations existing on, or before, this date shall be modified as necessary to be in conformance with all requirements of this practice. Where it is not practical to modify an existing facility in conformance with this practice, deficiencies shall be noted and plans for compliance shall be included in any future facility or equipment changes. Those facilities and equipment on order or in the process of construction on the date of publication of this practice shall be considered as an existing installation. This practice applies to existing equipment if it lacks the necessary employee protection (personal protective equipment or administrative controls).  
1.4 The values stated in inch/pound units are to be regarded as the standard. The values in brackets are for information only.  
1.5 The text of this practice references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.  
1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM E2349-19 - Standard Practice for Safety Requirements in Metal Casting Operations: Sand Preparation, Molding, and Core Making; Melting and Pouring; and Cleaning and Finishing
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REDLINE ASTM E2349-19 - Standard Practice for Safety Requirements in Metal Casting Operations: Sand Preparation, Molding, and Core Making; Melting and Pouring; and Cleaning and Finishing
English language
33 pages
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This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: E2349 − 19
Standard Practice for
Safety Requirements in Metal Casting Operations: Sand
Preparation, Molding, and Core Making; Melting and
1
Pouring; and Cleaning and Finishing
This standard is issued under the fixed designation E2349; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
INTRODUCTION
This practice is part of a project started in 1972 under the sponsorship of the American Foundry
Society, Inc. Standard for Safety Requirements in Metal Casting Operations—Sand Preparation,
Molding, and Core Making; Melting and Pouring; and Cleaning and Finishing.
The metal casting industry shares safety considerations with many other industries requiring the
movementofheavyobjects,theuseoflargeovensandmeltfurnaces,andprocessingofhotmaterials.
In addition, there are safety considerations common to all industries.The present trend is towards the
development of industry-wide standards wherever the need for safety considerations exists. This
practice, therefore, is limited to safety considerations of special importance in the metal casting
industry operations in which general standards do not exist or are not considered adequate. This
practice is not intended to supersede or replace any applicable federal, state, or local governmental
safety regulations or requirements, but rather, it is intended to augment and support any such
requirements. Operating rules are not included in this practice unless they are vital to safety.
Compliancewiththispracticeshouldprovidearelativelysafeenvironment,whichisafundamental
requirement in preventing occupational injuries.
Contents
Introduction
1 Scope 8.2 Core Making
2 Referenced Documents 8.3 Molding Equipment
3 Terminology 8.4 Fuel-Fired Equipment
4 Materials and Manufacture 8.5 Operation Procedures for Sand Preparation, Molding, and Core Making
4.1 Responsibility 9 Melting and Pouring
4.2 Inherent Hazards 9.1 Cupola
4.3 Installation 9.2 Electric Furnaces – Induction Melting and Induction Holding
4.4 Power Requirements 9.3 Electric Furnaces – Direct Arc Furnaces
4.5 Electrical Ground Faults 9.4 Ladles
4.6 Fluid Power Off 9.5 Molten Metal Handling and Pouring Equipment
4.7 Electrical Equipment Grounding 9.6 Maintenance and Inspection
4.8 Fluid Exhaust (Gas or Liquid) 9.7 Molten Metal Treatment
5 Care of Equipment – General Provisions 9.8 Specific Material Handling Equipment
5.1 Instructions 9.9 Molten Metal Handling and Pouring
5.2 Installation 9.10 Overhead Handling of Molten Material
5.3 Inspection and Preventive Maintenance 10 Cleaning and Finishing
5.4 Maintenance Personnel Training and Experience 10.1 Care of Cleaning and Finishing Equipment
5.5 Startup Procedure 10.2 Specific Equipment Safeguards – Cleaning and Finishing
5.6 Shutdown Procedure 10.3 Abrasive Blasting
5.7 Troubleshooting, Maintenance, and Repair 10.4 Chipping
6 Safeguards – General Requirements 10.5 Abrasive Wheels
6.1 Responsibility for Safeguarding 10.6 Operating Procedures for Abrasive Wheels
6.2 Guarding 10.7 Portable Abrasive Wheels
6.3 Hazard Zone Guarding 10.8 Grinding Magnesium
6.4 Hazard Zone Protective Devices 10.9 Molten Salts Cleaning
7 Operation of Equipment – General Requirements 10.10 Hooks Designed for Handling Castings
7.1 Employer’s Responsibility 10.11 Slings
7.2 Employee’s Responsibility 10.12 Lighting
8 Sand Preparation, Molding, and Core Making 11 Keywords
8.1 Sand Handling and Preparation
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
E2349 − 19
1. Scope ization established in the Decision on Principles for the
Development of International Standards, Guides and Recom-
1.1 This practice covers the requirements of applying the
mendations issued by the World Trade Organization Technical
design, construction, and operation of the machinery and
Barriers to Trade (TBT) Committee.
equipmentusedinmetalcastingoperations—sandpreparation,
molding and core making, melting and pouring, and cleaning
2. Referenced Documents
and finishing. This practice does not apply to die casting
2
2.1 ASTM Standards:
operations.
E1542Terminology Relating to Occupational Health and
1.2 Purpose—The requirements of this practice, including
Safety
the training of supervisors and employees, are intended to
F1002Performance Specification for Protective Clothing
minimizethepossibilityofinjurytooperatingandmaintenance
and Materials f
...

This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: E2349 − 18 E2349 − 19
Standard Practice for
Safety Requirements in Metal Casting Operations: Sand
Preparation, Molding, and Core Making; Melting and
1
Pouring; and Cleaning and Finishing
This standard is issued under the fixed designation E2349; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
INTRODUCTION
This practice is part of a project started in 1972 under the sponsorship of the American Foundry
Society, Inc. Standard for Safety Requirements in Metal Casting Operations—Sand Preparation,
Molding, and Core Making; Melting and Pouring; and Cleaning and Finishing.
The metal casting industry shares safety considerations with many other industries requiring the
movement of heavy objects, the use of large ovens and melt furnaces, and processing of hot materials.
In addition, there are safety considerations common to all industries. The present trend is towards the
development of industry-wide standards wherever the need for safety considerations exists. This
practice, therefore, is limited to safety considerations of special importance in the metal casting
industry operations in which general standards do not exist or are not considered adequate. This
practice is not intended to supersede or replace any applicable federal, state, or local governmental
safety regulations or requirements, but rather, it is intended to augment and support any such
requirements. Operating rules are not included in this practice unless they are vital to safety.
Compliance with this practice should provide a relatively safe environment, which is a fundamental
requirement in preventing occupational injuries.
Contents
Introduction
1 Scope 8.2 Core Making
2 Referenced Documents 8.3 Molding Equipment
3 Terminology 8.4 Fuel-Fired Equipment
4 Materials and Manufacture 8.5 Operation Procedures for Sand Preparation, Molding, and Coremaking
4 Materials and Manufacture 8.5 Operation Procedures for Sand Preparation, Molding, and Core Making
4.1 Responsibility 9 Melting and Pouring
4.2 Inherent Hazards 9.1 Cupola
4.3 Installation 9.2 Electric Furnaces – Induction Melting and Induction Holding
4.4 Power Requirements 9.3 Electric Furnaces – Direct Arc Furnaces
4.5 Electrical Ground Faults 9.4 Ladles
4.6 Fluid Power Off 9.5 Molten Metal Handling and Pouring Equipment
4.7 Electrical Equipment Grounding 9.6 Maintenance and Inspection
4.8 Fluid Exhaust (Gas or Liquid) 9.7 Molten Metal Treatment
5 Care of Equipment – General Provisions 9.8 Specific Material Handling Equipment
5.1 Instructions 9.9 Molten Metal Handling and Pouring
5.2 Installation 9.10 Overhead Handling of Molten Material
5.3 Inspection and Preventive Maintenance 10 Cleaning and Finishing
5.4 Maintenance Personnel Training and Experience 10.1 Care of Cleaning and Finishing Equipment
5.5 Startup Procedure 10.2 Specific Equipment Safeguards – Cleaning and Finishing
5.6 Shutdown Procedure 10.3 Abrasive Blasting
5.7 Troubleshooting, Maintenance, and Repair 10.4 Chipping
6 Safeguards – General Requirements 10.5 Abrasive Wheels
6.2 Responsibility for Safeguarding 10.6 Operating Procedures for Abrasive Wheels
6.1 Responsibility for Safeguarding 10.6 Operating Procedures for Abrasive Wheels
6.3 Guarding 10.7 Portable Abrasive Wheels
6.2 Guarding 10.7 Portable Abrasive Wheels
1
This practice is under the jurisdiction of ASTM Committee E34 on Occupational Health and Safety and is the direct responsibility of Subcommittee E34.10 on Industrial
Safety.
Current edition approved Oct. 1, 2018March 1, 2019. Published November 2018March 2019. Originally approved in 2005. Last previous edition approved in 20122018
as E2349 – 12.E2349 – 18. DOI: 10.1520/E2349-18.10.1520/E2349-19.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
E2349 − 19
Contents
6.4 Hazard Zone Guarding 10.8 Grinding Magnesium
6.3 Hazard Zone Guarding 10.8 Grinding Magnesium
6.5 Hazard Zone Protective Devices 10.9 Molten Salts Cleaning
6.4 Hazard Zone Protective Devices 10.9 Molten Salts Cleaning
7 Operation of Equipment – General Requirements 10.10 Hooks Designed for Handling Castings
7.1 Employer’s Responsibility 10.11 Slings
7.2 Employee’s Responsibility 10.12 Lighting
8 Sand Preparation, Molding, and Coremaking 11
...

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