科技翻译练习(2)

...................................................... 35 7. EXTERNAL PRESS BENDER (EPB) OPERATIONAL

CONCEPTS ................................................. 37 7.1 HEAT

TRANSFER: ............................................................................................................................ 37 7.2 TEMPERATURE DIFFERENTIAL (TOP TO BOTTOM):............................................................................. 38 7.3 HEAT

PROFILES: ............................................................................................................................. 38 7.4 HEAT

TIME:..................................................................................................................................... 38 7.5 QUENCHING THE

GLASS: ................................................................................................................. 39

8. EXTERNAL PRESS BENDER (EPB) OPERATOR

CONTROLS ...................................................... 40 8.1

OVERVIEW: ..................................................................................................................................... 40

8.2 LOAD TABLE

STATION: .................................................................................................................... 41

8.3 THE HUMAN MACHINE INTERFACE (HIM) WORKSTATION: .................................................................. 42 8.4 VACUUM

STATION: .......................................................................................................................... 42 8.5 PRESS/QUENCH STATION

(PEDESTAL): ............................................................................................ 43

8.6 PRESS STATION PUSH-BUTTON

STATION: ........................................................................................ 47

8.7 PRESS STATION REMOTE DRIVE

PANEL: .......................................................................................... 48 8.8 PLC CONTROL

PANEL: .................................................................................................................... 51

9. EXTERNAL PRESS BENDER (EPB) OPERATOR

INSPECTIONS .................................................. 52 9.1 INSPECTIONS TO BE

DONE: .............................................................................................................. 52 9.2 PNEUMATIC PRESSURES

LISTING: .................................................................................................... 54

10. EXTERNAL PRESS BENDER (EPB) PROCESS DESCRIPTION (WITHOUT FAN ROLLS) ....... 55 10.1 INTRODUCTION:............................................................................................................................... 55 10.2 THE PROCESS DESCRIPTION: .......................................................................................................... 55 10.3 EQUIPMENT SECTIONS BREAK-DOWN: ............................................................................................. 56 10.4 MODES OF OPERATION: .................................................................................................................. 57 10.5 THE PROCESS OVERVIEW BY SECTIONS: ......................................................................................... 58 10.6 SYSTEM SUMMARY: ........................................................................................................................ 61 11. EXTERNAL PRESS BENDER (EPB) PRODUCTION SETUP ....................................................... 65 11.1 OVERVIEW: ..................................................................................................................................... 65 11.2 LOAD TABLE LOAD JAWS: ................................................................................................................ 66 11.3 CHECK THE VACUUM SYSTEM SETTINGS: ......................................................................................... 66 11.4 POSITION / SHAPE TEST: ................................................................................................................. 67 11.5 DAMPER AND INLET VANE SETUP: .................................................................................................... 68 11.6 TYPICAL PRODUCTION SETUPS: ....................................................................................................... 70 12. EXTERNAL PRESS BENDER (EPB) TOOLING CHANGEOVER ................................................. 71 12.1 OVERVIEW: ..................................................................................................................................... 71 12.2 REMOVAL OF THE BENDER: ............................................................................................................. 74 12.3 INSERTION OF THE BENDER: ............................................................................................................ 75 12.4 OFF-LINE BENDER TOOLING CHANGEOVER: ..................................................................................... 79 OFF-LINE PRESS CHECKLIST ...................................................................................................................... 87 FURNACE JOB CHANGE CHECKLIST (GLASS TO GOOD GLASS) ...................................................................... 91 BASIC HEATING TIMES/LINE SPEEDS & HEAT PATTERN ................................................................................ 95 BENDER LUBRICATION: ............................................................................................................................... 96 13. CONTROL SYSTEM TERMINOLOGY ............................................................................................ 98 14. GENERAL FURNACE TERMINOLOGY ....................................................................................... 101 15. EXTERNAL PRESS BENDER (EPB) TERMINOLOGY ................................................................ 112 APPENDIX - EXTERNAL PRESS BENDER (EPB) OPERATOR INSPECTIONS PM SHEETS ............ 115 PREVENTIVE MAINTENANCE SHEETS ......................................................................................................... 115 APPENDIX – GENERAL OPERATOR INSPECTIONS PM SHEETS ..................................................... 118 OPERATOR INSPECTIONS TO BE DONE HOURLY ......................................................................................... 118 OPERATOR INSPECTIONS TO BE DONE EACH SHIFT ................................................................................... 119 OPERATOR INSPECTIONS TO BE DONE DAILY ............................................................................................ 120 OPERATOR INSPECTIONS TO BE DONE WEEKLY ......................................................................................... 121 OPERATOR INSPECTIONS TO BE DONE MONTHLY....................................................................................... 125 INDEX: ...................................................................................................................................................... 126

1. Introduction 简介

1.1 Purpose目标:

1.1.1 This manual is intended to aid the machine operators and should be kept in the control room or near the primary operator interface.

1.1.1 本手册旨在帮助机器操作人员

1.1.2 The information in this manual describes normal activities for setting up and operating the system. It includes safety information that MUST be followed when performing those tasks. Failure to follow the safety information can result in serious injury.

1.1.3 This manual MUST be read and thoroughly understood by all personnel who will be operating the system. If an operator is unable to read this manual, it MUST be thoroughly communicated to that individual before they attempt to operate the system.

1.2 Personnel:

1.2.1 The personnel operating this equipment MUST have basic minimum skills. It is not necessary that all

employees have each skill, but operators must be knowledgeable in each of the areas listed below. With a good knowledge base, maximum system productivity can be achieved.

1.2.2 NOTE: In order to realize maximum system productivity, Glasstech recommends that supervisors be familiar with all areas listed below and / or have previous experience in the glass industry. 1.2.3 The operators should understand and be able to: ? Make minor mechanical setup adjustments ? Understand glass tempering theory ? Inspect glass for defects

? Develop and setup heat profiles for various thicknesses of glass ? Work with computers ? Read process flow charts

? Have a working knowledge of mechanical systems and how different systems work together.

NOTE: Glasstech will provide training on these topics during installation, but previous experience is very beneficial.

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