Ekra E1 Benutzerhandbuch

E1 Semi-automatic screen printer

System Manual

30.8.02

EKRA Eduard Kraft GmbH

Maschinenfabrik

Zeppelinstrasse 16

D-74357 Bönnigheim

Subject to change without notice -

No part of this manual may be reproduced,

duplicated or translated.

In this manual, usually no

mention is made of

any existing patents, utility model rights

or trademark rights applicable to any products.

The absence of such mention gives

no grounds to assume that no

proprietary rights are attached to such products.

CE Declaration of Conformity

in accordance with the EC Machine Directive 89/392/EEC, Appendix IIA

EKRA Eduard Kraft GmbH Maschinenfabrik •Zeppelinstr. 16 • D-74357 Bönnigheim

Phone +49-(0)7143-88 44–0 •Fax +49-(0)7143-88 44 22 • e-mail sales@ekra.com

We hereby confirm that the type of construction of:

Screen Printing Machines and Printer Lines of the following models:

Microtronic II, Microtronic III, Microtronic IV, Microtronic V, Microtronic VI, Microtronic VII,M8

Mat-S15, Mat-S20, Mat-S30, Mat-S40, Mat-S45, Mat-S50, Mat-S55, E1, E3XL, E4,E5 Series,X5 Series,

High Speed Printer, Microtronic III Line, Varistor Printing Line, Glass Printing Machine

Dryers of the following models:

IR Dryer 2500 x 600, 3500x650, TRO-REMA

Handling Devices:

Magazine Loader, Magazine Reloader, Stack Loader, Oven Loader and Reloader,

Laser Loader and Reloader, Hand-over Unit, Transport Conveyor, Control Conveyor

manufactured by EKRA Eduard Kraft GmbH (year of construction: as of 12/92)

conform to the following relevant regulations:

•EC Machine Directive 89/392 EEC, Appendix IIA of June 14, 1989

•EC Machine Directive 91/368 EEC of June 20, 1991

•EC Low-Voltage Directive 73/23 EEC

•Electromagnetic Compatibility 89/336/EEC

applied harmonized standards:

•DIN EN 292 Part 1 and Part 2 (safety of machines, devices and systems)

•DIN EN 29001 / ISO 9001 (quality standards)

•DIN EN 60204 Part 1, electrical equipment of machines

applied national standards and technical specifications:

•- VBG 4, VBG 5, VBG 7a accident prevention regulations

•- ZH 1 545 (safety regulations for screen printing machines)

•- ZH 1 597 (safety regulations for contact-free safety equipment in power-driven

facilities)

•- DIN/VDE 0530 T1 (rotating electrical machines)

•- DIN/VDE 0660 T2 (low-voltage controlgear/switchgear and switching elements)

•- DIN 57113/VDE 0113 (electrical equipment of machines)

•- DIN/VDE 0100

•- DIN 40050 (degree of protection IP)

corresponding to Appendix V of the EC Machine Directive:

•CE symbol is attached to the machine so that it is clearly visible

•Technical documentation is available for inspection at the manufacturer’s factory.

•Descriptions of the machines can be found in the relevant User Manuals

EKRA Eduard Kraft GmbH

Bönnigheim 1.12.2000 _____________________________________

W. Kraft (General Manager)

Table of contents

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E1 Semi-automatic screen printer

System Manual

1 Introduction ................................................................................... 1-1

General ..............................................................................................................1-1

Safety and accident prevention .........................................................................1-1

Structure of the user’s manual ..........................................................................1-2

Symbols .............................................................................................................1-3

Terminology .......................................................................................................1-3

Notation .............................................................................................................1-3

Taking delivery of the machine ..........................................................................1-4

Transport, commissioning, repairs ....................................................................1-4

Transport ........................................................................................................1-4

Commissioning ..............................................................................................1-5

Repair / modifications ....................................................................................1-5

Basic safety instructions ....................................................................................1-6

Observing the information in the user’s manual ................................................1-6

Obligations of the owner ....................................................................................1-6

Obligations of the personnel ..............................................................................1-6

Possible hazards when operating the machine .................................................1-7

Proper use .........................................................................................................1-7

Warranty and liability .........................................................................................1-8

Safety regulations ..............................................................................................1-9

Organisational measures ...............................................................................1-9

Safety devices................................................................................................1-9

Emergency-stop switches ..........................................................................1-9

Safety switches and locks..........................................................................1-9

Using safety devices ....................................................................................1-10

Bypassing the locks .....................................................................................1-11

Checking safety devices ..........................................................................1-11

Informal safety measures ................................................................................1-12

Training of personnel....................................................................................1-12

Machine control............................................................................................1-12

Safety measures under normal operating conditions...................................1-12

Electrical hazards ............................................................................................1-13

Maintenance and repair, troubleshooting ........................................................1-13

Structural modifications to the machine ..........................................................1-14

Cleaning the machine and disposal ................................................................1-14

First aid ............................................................................................................1-14

2 Safety / Hazards ............................................................................. 2-1

Safety precautions .............................................................................................2-1

Safety devices ...................................................................................................2-2

Emergency-stop switch ..................................................................................2-2

Cover..............................................................................................................2-3

Cleaning flap ..................................................................................................2-3

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Safety screen .................................................................................................2-3

Checking safety devices ....................................................................................2-3

Hazards .............................................................................................................2-4

Other hazards ....................................................................................................2-5

3 Description of the Machine .......................................................... 3-1

General ..............................................................................................................3-1

Printing sequence ..........................................................................................3-1

Overview of the machine components ..............................................................3-2

Front of machine ............................................................................................3-2

Electrical equipment.......................................................................................3-3

PC positioning system MOPS........................................................................3-3

Snap-off setting..............................................................................................3-4

Pneumatic setting ..........................................................................................3-4

Print area, with cover open ............................................................................3-5

Printing table ..................................................................................................3-6

Squeegee unit ...................................................................................................3-7

Control desk...................................................................................................3-8

Functional description of the operating elements ..............................................3-9

Control panel..................................................................................................3-9

Signal lamps ..............................................................................................3-9

Function keys.............................................................................................3-9

Main menu display ..................................................................................3-10

Cursor keys ..................................................................................................3-11

File menu display .....................................................................................3-11

Technical data .................................................................................................3-12

4 Switching On and Off .................................................................... 4-1

Switching on ......................................................................................................4-1

Switching off ......................................................................................................4-2

Emergency stop ................................................................................................4-2

Switching on after an emergency stop ..............................................................4-2

5 Operation ....................................................................................... 5-1

General ..............................................................................................................5-1

Setting the pneumatics ..................................................................................5-1

Presetting...................................................................................................5-1

Aligning the PCB............................................................................................5-2

Aligning a stencil ............................................................................................5-3

Setting up the printing program......................................................................5-4

Setting the down stop.....................................................................................5-5

Adjusting the printing table.............................................................................5-7

Printing modes ...............................................................................................5-8

Table of contents

III

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Screen printing mode 1..............................................................................5-8

Screen printing mode 2..............................................................................5-8

Stencil printing mode 3 ..............................................................................5-8

Stencil printing mode 3a ............................................................................5-9

Printing mode 4..........................................................................................5-9

Printing mode 4a........................................................................................5-9

Printing mode 99........................................................................................5-9

Saving a file..................................................................................................5-10

Loading a file................................................................................................5-11

Deleting a file ...............................................................................................5-11

6 Manual Optical Positioning System ............................................ 6-1

7 Drawings and Mechanical Parts Lists ......................................... 7-1

8 Electrical and Pneumatic Equipment .......................................... 8-1

Electrical equipment ..........................................................................................8-1

Control cabinet...............................................................................................8-1

Control desk...................................................................................................8-1

Snap-off control..............................................................................................8-2

Cleaning flap ..................................................................................................8-2

Snap-off control..............................................................................................8-3

Cover safety switch ........................................................................................8-3

Table drive motor, view from rear ...................................................................8-4

Table loading position sensors .......................................................................8-4

Squeegee position sensor .............................................................................8-5

Squeegee motor ............................................................................................8-5

Pneumatic equipment ........................................................................................8-6

Printing nest ...................................................................................................8-6

Service unit and pressure adjustment ...........................................................8-6

Squeegee pressure........................................................................................8-7

Snap-off .........................................................................................................8-7

Valve terminal.................................................................................................8-8

Pneumatic parts list ...........................................................................................8-9

Electric parts list .............................................................................................8-10

Electric partslist ...............................................................................................8-11

Electric drawings .............................................................................................8-11

9 Maintenance .................................................................................. 9-1

General ..........................................................................................................9-1

Cleaning the machine ....................................................................................9-2

Squeegee unit................................................................................................9-2

Printing table ..................................................................................................9-2

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System Manual

Pneumatic service unit...................................................................................9-3

Casing............................................................................................................9-3

PC positioning system MOPS........................................................................9-4

Bearings and guideways ................................................................................9-4

10 Vendor Documentation ............................................................. 10-1

Ordering spare parts .......................................................................................10-1

Vendor documentation ....................................................................................10-2

Declaration of Trained Personnel

Chapter 1 Introduction

1-1

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System Manual

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1 Introduction

General

This user’s manual is supplied with the E1 semi-automatic screen printer.

It explains the function of the printer, provides information concerning pos-

sible hazards during operation, contains detailed information concerning

the correct use of the machine and describes the necessary maintenance

and troubleshooting measures.

Before commissioning the machine, you should read the user’s manual

thoroughly even if you have attended a training course explaining how to

operate the machine.

Sign the last page to verify that you have fully read and understood the

user’s manual. The owner of the machine is only permitted to authorise

personnel who satisfy this requirement to operate and maintain the

machine.

Safety and accident prevention

All E1 printers incorporate the very latest technology and are totally reli-

able. Nevertheless, a number of rules which will protect the machine and

reduce the risk of injury must be observed.

Note:

It is particularly important to observe the >basic safety instructions<:

Chapter 2>Safety, Hazards<.

Chapter 1 Introduction

1-2

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System Manual

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Structure of the user’s manual

This user’s manual has 10 chapters.

Chapter 1 Introduction provides general information concerning the user’s

manual and describes the steps to be taken when taking delivery of the

machine. It also contains information concerning transport, commissioning

and possible repairs. It deals with the basic safety instructions as well as

general safety measures and the associated regulations.

Chapter 2 Safety, Hazards describes general rules with respect to the

machine and possible hazards as well as the appropriate measures to be

taken to prevent injuries.

Chapter 3 Description of the Machine describes the main components of

the machine and provides an overview of the options and their function

(application).

Chapter 4 Switching On and Off explains how to switch on / switch off and

start the printer.

Chapter 5 Operation explains the procedures used for operating the E1

semi-automatic printer.

Chapter 6 Manual Optical Positioning System explains the way the

MOPS works and how to use it.

Chapter 7 Drawings and Parts Lists contains the drawings and mechani-

cal parts lists for the printer components.

Chapter 8 Electrical and Pneumatic Equipment contains an overview of

the electrical and pneumatic assemblies and components and the related

parts lists.

Chapter 9 Maintenance contains maintenance information.

Chapter 10 Vendor Documentation contains lists of the documentation

supplied.

Chapter 1 Introduction

1-3

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System Manual

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Symbols

Symbols are used to present the information contained in the user’s man-

ual in a simple and clearly organised manner.

• indicates a list of points

indicates steps to be taken

⇒indicates the result of an action

This symbol identifies texts which contain operating notes and useful infor-

mation for optimum handling and usage of the device.

This symbol identifies critical points which may cause damage to the

device, faulty operation or incorrect production.

This symbol indicates hazards which are potentially fatal, may be detrimen-

tal to health or may cause serious injury.

The potential hazards are explained in Chapter 2 >Safety, Hazards<.

Terminology

The following terms and abbreviations are used in the user’s manual:

Print material - Parts that are to be printed.

Printing medium - Paste, solder, silicone or other materials which are

applied to the part to be printed.

Coating, flooding - Application of the printing medium to the stencil before

the actual printing process.

PCB - The abbreviation PCB used in the manual stands for printed circuit

board.

Substrate - Substrates can also be used as print materials instead of

printed circuit boards. You will see this term used in some chapters.

Notation

CAPITALS indicate commands, instructions/functions and button/key label-

ling.

Italics are used for the requirements necessary for an action.

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