Beisler 1911-4 User Manual

Short Seam Automat 1911-4 / 1912-4 Working Instructions Beisler Automated Sewing Equipment

Working Instructions

Short Seam Automat 1911-4 / 1912-4

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Beisler Automated Sewing Equipment

Short Seam Automat 1911-4 / 1912-4 Working Instructions

Contents of the working instructions

The working instructions are divided into four sections:

A General notes: Page A 1 - A 10

Safety instructions for the operating and service personnel and for the operator of the machine.

B Operating instructions: Page B 11 - B 26

Instructions for the personnel operating and handling the machine.

C Service instructions: Page C 27 - C 57

Instructions for the personnel in charge of the initial start-up, setting up and service of the machine.

D Programming instructions: Page D 58 - D 88

Instructions for the service personnel in charge of preparing and setting up the machine.

Scope of the working instructions

These working instructions describe the SHORT SEAM AUTOMAT 1911-4 / 1912-4 of Beisler GmbH and apply only to those machine parts and components that are contained in the scope of delivery of the SHORT SEAM AUTOMAT 1911-4 / 1912-4. They do not apply to accessories or machine parts (e.g. sewing head) from third parties that the machine is equipped or retrofitted with. For those components, the working instructions of the respective manufacturer or supplier apply.

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Short Seam Automat 1911-4 / 1912-4 Working Instructions Beisler Automated Sewing Equipment

Section A

General notes

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Beisler Automated Sewing Equipment

Short Seam Automat 1911-4 / 1912-4 Working Instructions

General notes

Section A

Contents

A.1 Safety instructions ............................................................................................................... 5

A.1.1 Symbols used in the working instructions ........................................................................ 8

A.1.2 Symbols used on the machine ......................................................................................... 8

A.1.3 General safety instructions ...............................................................................................9

A.2 Notices ................................................................................................................................10

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Short Seam Automat 1911-4 / 1912-4 Working Instructions Beisler Automated Sewing Equipment

Safety instructions

A.1

Important information for the operator!

This machine has been manufactured in keeping with the latest technological developments and is operationally safe. However, it may present potential hazards, particularly if it is operated by inadequately trained personnel or if it is not used correctly:

• For personnel operating and handling the machine, the operator must prepare written instructions in a reasonable form and in the language of the operating personnel based on these working instructions (Germany: Accident Prevention Regulations UVV VBG 1 § 7.2).

• Use the operating instructions to familiarize the operating personnel with the functions, operation, and care of the machine and check to see if the operating personnel fully understands these instructions.

• Use the service instructions to familiarize the service personnel with the setting up and maintenance of the machine.

• For any modifications of the machine that have not been approved by Beisler GmbH in writing, the operator is fully responsible.

• The contents of the working instructions are subject to change without further notice.

• Concerning translations into foreign languages, the German version of these working

instructions is binding.

• Should you encounter problems that are not mentioned in these working instructions, please contact your supplier immediately for your own safety. Please do not hesitate to contact Beisler if you have any suggestions that help to improve this product.

• Keep these working instructions close to the machine so that safety instructions and information on operation, setting-up, and maintenance are always accessible.

Warranty

Beisler GmbH warrants the safety, operatability, and repair without charge of the short seam automat 1911-4 / 1912-4 for a period of 6 months under the condition that:

• the machine is used exclusively for the intended purpose and serviced in accordance with the information in these working instructions,

• modifications of the machine are carried out only with prior written approval of Beisler GmbH,

• only original spare parts or accessories approved by Beisler GmbH are used. For a complete list of all approved spare parts, please contact Beisler GmbH.

If the machine is used for more than 10 hours per day (shift operation), the warranty period is reduced to 3 months. The warranty period starts with the delivery of the machine to the operator.

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Beisler Automated Sewing Equipment

Safety instructions

A.1

Exclusion of liability

Beisler GmbH warrants the faultlessness of the product as set forth by their advertisements, product information and these working instructions. Other product characteristics are not warranted. Beisler GmbH is not responsible for the profitability or for the correct function of the short seam automat 1911-4 / 1912-4 if it is used for other purposes than those defined in section „Correct use“. Beisler GmbH is not responsible for damage that arises from the use of non-defined and non-approved spare parts or accessories.

Short seam automat

The short seam automat 1911-4 / 1912-4 and all related parts are protected by copyright. Any reproduction of the machine will be prosecuted.

Short Seam Automat 1911-4 / 1912-4 Working Instructions

Working instructions

These working instructions are protected by copyright. No part of the working instructions, including figures and tables, may be reproduced or translated in any form or by any means, electronic or mechanical, without the express written permisson of Beisler GmbH.

Beisler GmbH Fohnradstr. 10 63768 Hösbach Germany

Phone: ++ 49 / 6021 / 50 19 0 Fax: ++ 49 / 6021 / 50 19 10

eMail: vertrieb@beisler-gmbh.de

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Short Seam Automat 1911-4 / 1912-4 Working Instructions Beisler Automated Sewing Equipment

Safety instructions

A.1

Important information for the operating personnel!

Please note that any work to the SHORT SEAM AUTOMAT 1911-4 / 1912-4 must be carried out only by trained operating personnel:

• Operating personnel means persons:

that have been given initial instructions for sewing automats and that have been trained for the operation and handling of the SHORT SEAM AUTOMAT 1911-4 / 1912-4 on the basis of these operating instructions, that have been informed about potential risks arising from their work with the machine, that are capable of assessing their work with the machine due to occupational experience and instruction of the safety regulations and of recognizing potential hazards during work.

• Cleaning of the machine or of machine parts must be performed only by personnel that has been informed about potential hazards arising during the cleaning work.

• Prior to the initial operation of the SHORT SEAM AUTOMAT 1911-4 / 1912-4, read the operating instructions carefully so that you can make full use of the advantages of the machine and to prevent damage.

Important information for the service personnel!

Please note that service work to the SHORT SEAM AUTOMAT 1911-4 / 1912-4 must be carried out only by authorized and adequately trained expert personnel:

• Expert personnel means persons:

that have aquired their expertise by a special training in machine technology or electrical engineering or by a special advanced training or a comparable qualification, that have acquired the knowledge required to perform all works for setting up and servicing the SHORT SEAM AUTOMAT 1911-4 / 1912-4 from a training by Beisler GmbH, that are capable of assessing their work with the machine due to occupational experience and instruction of the safety regulations and of recognizing potential hazards during work.

• Prior to carrying out any service work to the SHORT SEAM AUTOMAT 1911-4 / 19124, read the entire working instructions carefully so that you can make full use of the advantages of the machine and to prevent damage.

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Beisler Automated Sewing Equipment

Safety instructions

A.1

Short Seam Automat 1911-4 / 1912-4 Working Instructions

A.1.1 Symbols used in the working instructions

WARNING!

is used if non-observance may cause serious or even lethal injuries.

CAUTION!

is used if non-observance may cause medium to minor injuries or damage.

NOTE!

is used for hints and useful information.

A.1.2 Symbols used on the machine

WARNING: DANGER!

Caution! Observe working instructions.

WARNING: HIGH VOLTAGE!

Caution! Prior to opening, pull out power plug.

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Short Seam Automat 1911-4 / 1912-4 Working Instructions Beisler Automated Sewing Equipment

Safety instructions

A.1

A.1.3 General safety instructions

Correct use

• The SHORT SEAM AUTOMAT 1911-4 / 1912-4 is a sewing machine. It is to be used for stitching slash selvages.

• The machine can be used for processing all conventional materials for outerwear.

• The machine has been designed for permanent operation in industry.

• The SHORT SEAM AUTOMAT 1911-4 / 1912-4 has been tested for electromagnetic compatibility and is suited for installation in industrial operating rooms.

Incorrect use

• The SHORT SEAM AUTOMAT 1911-4 / 1912-4 must not be operated in rooms that do not comply with the location requirements.

• The SHORT SEAM AUTOMAT 1911-4 / 1912-4 must not be operated in the vicinity of devices or systems that produce strong magnetic fields as otherwise the correct function of the program control may be impaired.

Safety requirements

• DIN EN, Part 1:1991-11, Part 2:1995-06 Safety of machines

• DIN EN 60601, Part 1:1994-05 Safety regulations for electrically operated measuring and control installations, general requirements.

• DIN EN 50178 (VDE 0160): 1998-04 Equipment of power systems with electronic devices.

• DIN EN 50082 (VDE 0839) Part 2:1997-11 Electromagnetic compatibility, basic specification, immunity to interference. Part 1: Domestic, business and commerce, small enterprises. Part 2: Industry.

• DIN EN 60204 (DIN VDE 0113): 1993-06 Electrical equipment of industrial machines.

Power supply connection

The power supply of the machine is established with a properly grounded power supply connection with:

• 230 V ± 10 %, 50/60 Hz, grounding plug.

• Fusing: 16 A

• Power consumption: 1.3 kW

Compressed air supply

The machine must be supplied by an on-site compressed air source.

• Operating pressure: 6 bar.

• Compressed air quality: oil-free

• Compressed air consumption: 16 NL

Location and storage requirements

Installation in sheltered, closed rooms.

• Room temperature: +10 °C to 45 °C

• Relative humidity: 80 % max.

Disposal

• Please discard the packaging material in accordance with existing disposal directives. Section C1, Delivery of the machine, contains a list of the packaging materials used.

• The machine contains reusable materials. Therefore, when discarding the machine, ask your local magistrate or community office about the possibilities of recycling.

Safety devices

The SHORT SEAM AUTOMAT 1911-4 / 1912-4 is equipped with a circuit-breaker (program stop switch) that stops all machine movements and the sewing process when actuated manually.

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Beisler Automated Sewing Equipment

Notices

A.2

Short Seam Automat 1911-4 / 1912-4 Working Instructions

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Short Seam Automat 1911-4 / 1912-4 Working Instructions

Beisler Automated Sewing Equipment

Section B

Operating Instructions

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Beisler Automated Sewing Equipment

Short Seam Automat 1911-4 / 1912-4 Working Instructions

Operating Instructions

Section B

Contents

B.1. Description of the machine .............................................................................................. 12

B.1.1 Functional units ...........................................................................................................13

B.2. Functions of the machine ................................................................................................. 14

B.2.1 Functional sequence .................................................................................................... 14

B.2.2 Line-up and alignment .................................................................................................. 14

B.2.3 Transport and sewing ................................................................................................... 15

B.2.4 Switches ...................................................................................................................... 16

B.2.5 Operating panel ............................................................................................................17

B.3 . Operation ........................................................................................................................... 18

B.3.1 Safety instructions for operation .................................................................................. 18

B.3.2 Preparing the machine ................................................................................................. 19

B.3.3 Selecting the sewing program ..................................................................................... 21

B.3.4 Activating additional seam numbers ............................................................................ 22

B.3.5 Deactivating a seam number ....................................................................................... 22

B.3.6 Setting the thread clamp manually .............................................................................. 22

B.3.7 Resetting the day counter to zero ............................................................................... 22

B.3.8 Aligning sewing pieces ................................................................................................ 23

B.3.9 Starting machine cycle ................................................................................................ 25

B.3.10 Resetting line-up process ............................................................................................ 24

B.3.11 Stopping a sewing program.......................................................................................... 26

B.3.12 Moving machine to zero position ................................................................................. 26

B.3.13 Turning the machine off ................................................................................................ 26

B.3.14 Periodic cleaning of the machine ................................................................................. 26

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Short Seam Automat 1911-4 / 1912-4 Working Instructions

Description of the machine

B.1

Beisler Automated Sewing Equipment

B.1.1 Functional units

All functional units of the SHORT SEAM AUTOMAT 1911-4 / 1912-4 are mounted to the height-adjustable table frame and freely accessible.

Transport and sewing unit

Switching swivel stamp

Main clamp with linear rail

Thread holder

Sewing head

Guide laser

Control unit

Memory card

Operating panel

Worktable

Working plate with slidepanel perforation for vacu-

Height-adjustable table leg

Storage table

Bundle clamp

Emergency switch

Program stop switch

Power supply system

Control box

Sewing motor control

Main switch, emergency off switch

Compressed air / Vacuum supply system

Vacuum switch

Vacuum pump (optional)

Compressed air device

Operating switches

Footswitch for bundle clamp

Footswitch for machine operation

Fig. 1

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Beisler Automated Sewing Equipment

Functions of the machine

B.2

Short Seam Automat 1911-4 / 1912-4 Working Instructions

B.2.1 Functional sequence

The short seam automat allows the automated stitching of slash selvages. The sewing piece is positioned manually, attached to the working plate by vacuum and holding stanp and then automatically transferred by the transport system to the sewing head where it is tucked and ejected.

B.2.2 Line-up and alignment

Bundle clamp

The sewing pieces are clamped in bundles in the bundle clamp and held ready for the tucking process. The bundle clamp is operated with compressed air and controlled by a footswitch.

Stop, Fig. 2:

The stop rail 2 is used to align the parallel course of the seam 5.

Guide laser

The guide laser is used to align the sewing piece to the correct end point of the seam. The guide laser creates a red marking line 4 which helps to line up the sewing piece3 at the stop 2 at the insertion station.

Fig. 2

Fig. 2/3

Stitch width handwheel, Fig. 3:

Use the handwheel 1 to set the required stitch width in relation to the stop rail of the worktable. This setting determines how far the main clamp 2 is moved beyond the stop rail where it picks up and transports the sewing piece to the sewing head. The handwheel offers four settings that have been adapted to the four factory-programmed sewing programs: Stitch width 30 mm Stitch width 32 mm Stitch width 35 mm Stitch width 37 mm

Fig. 3

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Short Seam Automat 1911-4 / 1912-4 Working Instructions

Functions of the machine

B.2

Beisler Automated Sewing Equipment

B.2.3 Transport and sewing

Vacuum

If the sewing piece is aligned to the stop and the red marking line of the guide laser, the vacuum holds it to the working plate.

Holding stamp, Fig. 4:

Simultaneously with the vacuum, the holding stamp lowers and presses the sewing piece at a different location against the working plate. The main clamp 5 then picks up the sewing piece for the transfer to the sewing head.

Main clamp

The main clamp moves to the stop to the insertion station where it is positioned. The exact position of the main clamp is measured by the photocells at the reflective stripe of the stop rail.

Fig. 4

When the main clamp is positioned, it is lowered onto the sewing piece. The attaching devices vacuum and holding stamp are disabled: The holding stamp is lifted, the vacuum is switched off. The main clamp moves the sewing piece from the insertion station vom Anschlag auf dem Gleitblech zum Nähkopf.on the working plate to the sewing head.

Sewing head

The sewing head 2 performs only the functions sewing stitch and thread cutting. All other functions, such as seam curve route or determining the beginning and the end of the seam, are acquired by the sensor system and controlled by the program control unit in accordance with the set values. The thread stock and the thrad supply of the sewing head are monitored by sensors (top thread monitor and bobbin rest thread monitor). The thread holder can hold two thread bobbins.

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Beisler Automated Sewing Equipment

Functions of the machine

B.2

Short Seam Automat 1911-4 / 1912-4 Working Instructions

B.2.4 Switches

The short seam automat is equipped with three different types of switches:

• Emergency switch for stopping a sewing program,

• supply switches for current and vacuum,

• control switches for controlling the machine operation.

Emergency switch

Program stop switch

When the program stop switch 1 is pressed, all machine movements and the sewing process are stopped immediately. The switch engages when pressed. Rotating the switch in the clockwise direction will unlock the switch, and it moves back to its original position. The control program performs a reset. When the footswitch is depressed, the machine moves to zero position and is then ready for operation again.

Supply switches

Main switch

The main switch 2 is used to turn the power supply of the machine on or off. For safety reasons, the machine must be turned off using the main switch when it is standing still for an extended period; in this case, all functional units are deactivated. The main switch also serves as an additional emergency off switch.

Vacuum switch

The vacuum switch 3 is used to switch the vacuum supply of the aspiration system on and off.

Fig. 5

Control switches

Footswitch for bundle clamp

When this footswitch 4 is depressed, the bundle clamp opens. When the switch is released, the bundle clamp closes.

Footswitch for machine operation

This footswitch 5 is used to control the operating steps of the SHORT SEAM AUTOMATE and to start the fully automatic machine operation.

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Short Seam Automat 1911-4 / 1912-4 Working Instructions

Functions of the machine

B.2

Beisler Automated Sewing Equipment

B.2.5 Operating panel

Display

During the operation of the machine, the display shows the values of the selected sewing program. If menus were requested, the menu symbol or the corresponding parameters of the function are displayed.

Indicator panel

Seam symbol

Sewing program description (a sewing program may consist of several seams)

Sewing program seam number

Seam description

Display field for the enabled seam functions

Bar for requestable special parameter submenus

Memory card slot

The memory card is the medium for storing the backup copies of all program control data. Programs can be copied to and stored on the memory card and reloaded into the machine control when required.

Program stop switch

If the program stop switch 3 is pressed during the operation of the machine, all machine movements and the sewing process are stopped.

Fig. 6

Numeric keypad

The numeric keypad 4 is used to enter all changeable number values. By pressing the M key, you can request the desired sewing programs. By pressing the P key, you can request submenus, confirm inputs and exit the programming mode.

Arrow keys

By pressing the UP or DOWN arrow key 5, you can move the cursor in the selected menu one line up or down. By pressing the RIGHT or LEFT arrow key, you can mark the desired parameter in the selected menu using the cursor or browse forward or backward if the parameter list consists of several pages.

Function keys

You can use the function keys 6 to request the menus for setting or changing machine functions on the selected level.

Symbol bar

The symbol bar 7 indicates menus that can be requested directly from the start menu using the function keys. All other functions of the machine can be set or changed by selecting the corresponding menus on the different program levels. The corresponding symbols appear on the display of the operating panel.

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Beisler Automated Sewing Equipment

Operation

B.3

B.3.1 Safety instructions for operation

Short Seam Automat 1911-4 / 1912-4 Working Instructions

Machine operation:

WARNING - Machine operation intervention!

The machine is driven by electric motors and by compressed air. Any attempt to stop the moving parts of the machine or to tamper with the movements by hand may cause severe injuries.

• Keep hands away from machine during machine operation!

• During the sewing process, keep hands away from the operating range of the needle!

• If a failure is encountered during machine operation, press the program stop switch immediately!

Clothing:

CAUTION - Unsuited work clothing!

The moving parts of the machine may catch and draw in loose clothing which may cause severe injuries.

• When operating the machine, do not wear wide or open clothing!

• Make sure that sleeves are tight-fitting and properly closed!

Handling the guide laser:

CAUTION - Damage of the retina!

If the eye is directed toward the laser beam for some time, the retina may be damaged.

• Do not look directly into the laser beam!

• Do not direct laser beam into eyes!

CAUTION - Laser beam change!

An optical change of the laser beam may increase its luminous intensity and cause eye injuries.

• If the direction of the laser beam is changed, if the laser beam is misadjusted or if the laser optics are damaged, turn the machine off and shut it down.

• Do not allow optical equipment (burning glasses or lenses) to interfere with the laser beam path.

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Short Seam Automat 1911-4 / 1912-4 Working Instructions

Bild Druckluftanschluss

Operation

B.3

Beisler Automated Sewing Equipment

B.3.2 Preparing the machine

Prior to the production start, check the supply connections, connect the machine to the compressed air and power supply systems and prepare the sewing head.

1. Insert needle, pass top thread through needle and insert bobbin for bottom thread into sewing head (see working instructions of sewing head manufacturer or supplier).

2. Fig. 7: Connect machine to compressed air supply by inserting the plug-in connector 2 of the compressed air supply hose into the compressed air receptacle in the operating room. The pressure of the compressed air is reduced to the required operating pressure of 6 bar by a pressure reducer 1. Check manometer 3 to see if the correct operating pressure is set. The pressure reducer is installed at the side mounting wall of the worktable.

Setting pressures:

The operating pressures are set at the three valves:

• To increase the pressure, rotate the switch in the clockwise direction.

• To reduce the pressure, rotate the switch in the counter-clockwise direction.

Fig. 7

Function of the valves:

• Pneumatic spring 6: approx 0.4 bar, controls the traveling speed of the clamp to the stop.

• Downholder 7: approx 0.4 bar, controls the pressure of the roller on the clamp.

• Clamp pressure 8: 0.4 - 0.5 bar, controls the pressure of the clamp on the sewing material.

NOTE - Vacuum supply!

If the machine is equipped with the optional vacuum pump, the vacuum supply is now ready for operation. If the machine is prepared for the on-site vacuum supply system, the on-site vacuum hose 4 must be connected to the sleeve 5 of the vacuum valve.

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Beisler Automated Sewing Equipment

Operation

B.3

B.3.2 Preparing the machine

Short Seam Automat 1911-4 / 1912-4 Working Instructions

3. Connect machine to power supply system.

WARNING - Electric shock:

Contact with current-carrying components may cause a lethal electric shock. Check plug and cable before connecting machine to power supply system.

• Do not use damaged plugs, sockets or cables to connect the machine to the power supply system!

• The machine is connected to a power source of 230 V ±10 % at 50/60 Hz.

• Before connecting the machine to the power supply system, check to see if the ratings of the power supply system in the operating room correspond with the ratings on the nameplate at the rear of the machine.

• If the ratings for voltage (V) and maximum current (A) do not match, the machine must not be connected.

• Insert the grounding plug into a properly grounded and fused power socket.

• Make sure that the power supply cable is not subject to tensile or pressure forces.

4. Turn machine on by moving main switch to position I.

5. Turn vacuum pump of the machine on and move vacuum switch to position I or open on-site vacuum supply.

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Short Seam Automat 1911-4 / 1912-4 Working Instructions

Operation

B.3

Beisler Automated Sewing Equipment

B.3.3 Selecting the sewing program

After the machine has been turned on and the control program has been activated, the sewing program that had been selected last is set. Sewing programs 1 are stored in the memory (M). The program control memory can store up to 50 sewing programs (M 01-M 50). Fig. 8: For each sewing program, up to six seam numbers2 (01, 02, 03, 04, 05,06) can be assigned.

The program control of the machine is equipped at the factory with a standard program:

• Sewing program M 01 with four different seams for au- tomated stitching of slash selvages. The numbers (01 - 04) designate seams of different stitch widths.

A sewing program may be combined with one seam, with several seams or with all four seams. If a sewing program with several seam numbers is requested, the seams are made in the sequence of the seam numbers from left to right. The sequence of the seam numbers is arbitrary. Please make sure that the handwheel of the main clamp is set correctly for the seam number of the seam that is made first (left position in the line of seam numbers).

Fig. 8

533

M01

Fig. 8/9

01 03 0402

1 2 3 4 32MM

STUECK: 0000

1. Select sewing program at operating panel.

Request memory:

• Press  key.

Select sewing program number, e.g. 01:

• Press  and  keys.

The selected program is activated immediately.

2. Select seam number of desired seam.

Move cursor to seam number:

• Press 0 or / key.

Confirm selection:

• Press % key.

3. Rotate main clamp handwheel to the selected seam number.

Fig.9

Fig. 9: Display during seam number selection:

1 2 3

Active seam number Passive seam number Seam number is selected

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Beisler Automated Sewing Equipment

Operation

B.3

Short Seam Automat 1911-4 / 1912-4 Working Instructions

B.3.4 Activating additional seam numbers

1. Select seam number of desired seam.

Move cursor to seam number:

• Press 0 or / key.

Confirm selection:

• Press % key.

The seam number of the activated seam appears blackened.

B.3.5 Deactivating a seam number

1. Select seam number of desired seam.

Move cursor to seam number:

• Press 0 or / key.

Confirm selection:

• Press % key.

The seam number of the deactivated seam is no longer highlighted in black.

B.3.7 Resetting the day counter to zero

Use this function to reset the day counter for a production run or for a completed working cycle to zero.

1. Move to level 1.

Press  key.

The display shows the symbols for selectable functions on this level.

&'(6)@7 

2. Request the day counter reset function.

)

• Press  key.

The day counter is now reset to zero.

3. Return to start level.

Press  key.

Display: PART: 0000

B.3.6 Setting the thread clamp manually

Before the first start of a sewing program, the top thread clamp must be activated to protect the top thread from being pulled out of the needle when the machine starts.

• Press  key.

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Short Seam Automat 1911-4 / 1912-4 Working Instructions

Operation

B.3

Beisler Automated Sewing Equipment

B.3.8 Aligning sewing pieces

The sewing pieces are held ready by the bundle clamp at the storage table and aligned for the tucking process on the working table. The alignment of the sewing piece depends on the setting of the machine.

Alignment using the "Fixed insertion distance" function: Version 1912-4:

If the "Fixed insertion distance" function is enabled, the sewing piece is aligned to the stop rail with the trousers corner.

1. Open bundle clamp. Depress and hold footswitch for bundle clamp while the sewing pieces are sorted and prepared in the bundle clamp.

2. Close bundle clamp, release footswitch.

3. Fig. 9: Align sewing piece with stop rail trousers corner

and, for the parallel run of the seam, with the stop rail longitudinal side 3. The correct seam endpoint is captured by the sensor system linear scan 1 and controlled by the program control in accordance with the set values.

Fig. 9

NOTE - Clamp pick-up position!

The pick-up position of the main clamp should be set to a value of 300 for minimal stitch width (see Section D, Programming Instructions). The distance between stop

should be 105 mm.

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Beisler Automated Sewing Equipment

Operation

B.3

Short Seam Automat 1911-4 / 1912-4 Working Instructions

B.3.8 Aligning sewing pieces

Alignment using the "Photocell" function, Version 1911-4:

If the "Photocell" function is enabled, the sewing piece is aligned to the stop rail and to the guide laser.

1. Open bundle clamp. Depress and hold footswitch for bundle clamp while the sewing pieces are sorted and prepared in the bundle clamp.

2. Close bundle clamp, release footswitch.

3. Fig. 10: Align sewing piece for parallel orientation of seam to the long side of the stop rail 2. To ensure the correct end point of the seam, line up sewing piece exactly at the red marking line 3 of the guide laser.

NOTE - Reflective stripe!

The position of the main clamp to the sewing piece is determined by photocells. The photocells respond to light that is reflected by a reflective stripe 1. If the reflective stripe is obscured, a machine failure may occur. The reflective stripe must always be visible!

Fig. 10

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Short Seam Automat 1911-4 / 1912-4 Working Instructions

Operation

B.3

B.3.9 Starting machine cycle

Beisler Automated Sewing Equipment

A machine cycle can be started in three different sequences (mode 00, mode 01, mode 02). The factory default is mode 01 which allows a largely fully automatic machine cycle.

Controlling machine cycle in mode 00 (fast version):

1. Line up sewing piece.

2. Depress footswitch for machine operation and keep depressed:

• The vacuum is switched on

3. Release footswitch:

• The holding stamp is lowered.

• Further machine cycle is fully automatic: The main clamp picks up the sewing piece and transports it to the sewing head. The sewing piece is tucked and ejected. The main clamp returns to the start position. The next machine cycle starts.

NOTE - Supplying sewing pieces!

If the fully automatic machine cycle was started, the next sewing pieces can be lined up. The footswitch remains deactivated until the main clamp reaches its start position and the stop rail moves forward; after that, the next machine cycle can be started.

Controlling machine cycle in mode 01 (slow version):

1. Line up sewing piece.

2. Depress footswitch for machine operation and keep depressed:

• The vacuum is switched on.

3. Release footswitch:

• The holding stamp is lowered.

4. Depress, then release footswitch:

• The main clamp picks up the sewing piece.

5. Depress, then release footswitch:

Alternatively, mode 01 can be controlled as follows:

1. Depress footswitch for machine operation and keep depressed:

• The vacuum is switched on.

2. Release footswitch:

• The holding stamp is lowered.

3. Depress footswitch and keep depressed:

• The main clamp picks up the sewing piece.

• Further machine cycle is automatic. When the main clamp moves to the sewing head, the footswitch can be released.

NOTE - Supplying sewing pieces!

When the sewing piece is transported to the sewing head, the next piece can be lined up. The footswitch remains deactivated until the main clamp reaches its start position and the stop rail moves forward; after that, the next machine cycle can be started.

Controlling machine cycle in mode 02:

1. Line up sewing piece.

2. Depress footswitch for machine operation and keep depressed:

• The vacuum is switched on.

3. Release footswitch:

• The holding stamp is lowered, the sewing piece is picked up by the main clamp.

4. For each further operational step of the machine, depress footswitch.

NOTE - Supplying sewing pieces!

When the sewing piece is transported to the sewing head, the next piece can be lined up.

B.3.10 Resetting line-up process

This function depends on the selected machine cycle mode. It refers only to machine movements that can be executed before the start of the automatic process. The machine movements can be reset graduallydurch den The machine movements can be reset immediately to the original position by using the activation command.

• Press  key (several times if required).

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Beisler Automated Sewing Equipment

Operation

B.3

Short Seam Automat 1911-4 / 1912-4 Working Instructions

B.3.11 Stopping a sewing program

1. Press program stop switch. When this switch is pressed, all machine movements and the sewing process are stopped immediately. The switch engages when pressed.

To restart the machine after a program stop, all functions must be reset, and the machine must be returned to zero position by unlocking the program stop switch.

2. Unlock program stop switch. Slightly rotate switch in the clockwise direction. The switch returns to its original position. The control program performs a reset. When the footswitch is depressed, the machine moves to zero position and is then ready for operation again.

B.3.12 Moving machine to zero position

Prior to starting the production, after machine tests or after corrections to sewing programs, the machine must be returned to zero position for starting the machine cycle:

1. Press program stop switch.

2. Unlock program stop switch.

(See also Section B.3.11, Stopping a sewing program)

B.3.13 Turning the machine off

For extended work intermissions, the machine must be turned off completely.

1. Turn vacuum supply off by moving vacuum switch to position 0.

2. Turn power supply off by moving main switch to position 0.

B.3.14 Periodic cleaning of the machine

The machine must be cleaned after large production series or at least once a day, whichever occurs first.

CAUTION - Danger of injuries!

If the machine is put in motion accidentally, persons in its direct vicinity may be caught by moving parts which may cause injuries. Prior to any cleaning work, disconnect the machine from the power supply!

• Turn the machine off using the main switch.

• Remove the power plug from the socket and protect it from accidental reconnection.

Periodic cleaning:

1. Remove fabric residues.

2. Using compressed air, blow off dust and thread residues at the sewing head, at the working plate, at the main clamp and at the linear rail.

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Short Seam Automat 1911-4 / 1912-4 Working Instructions Beisler Automated Sewing Equipment

Section C

Service Instructions

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