281/5-1 Sewing unit for closing seams for trousers and skirts Operating Instructions 1 Installation Instructions 2 Service Instructions 3 Postfach 17 03 51, D-33703 Bielefeld • Potsdamer Straße 190, D-33719 Bielefeld Telefon +49 (0) 521 / 9 25 23 40 • Telefax +49 (0) 521 / 9 25 25 83 • www.beisler-sewing.com Ausgabe / Edition: 01/2011 Änderungsindex Rev. index: 00.0 Printed in Federal Republic of Germany Teile-Nr./Part.-No.
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Foreword This instruction manual is intended to help the user to become familiar with the machine and take advantage of its application possibilities in accordance with the recommendations. The instruction manual contains important information on how to operate the machine securely, properly and economically. Observation of the instructions eliminates danger, reduces costs for repair and down-times, and increases the reliability and life of the machine.
General safety instructions The non-observance of the following safety instructions can cause bodily injuries or damages to the machine. 1. The machine must only be commissioned in full knowledge of the instruction book and operated by persons with appropriate training. 2. Before putting into service also read the safety rules and instructions of the motor supplier. 3. The machine must be used only for the purpose intended. Use of the machine without the safety devices is not permitted.
Content Page: Preface and General Safety Notes Part 1: Operating Instructions Cl. 1281/5-1 – Original Instructions (Edition: 01/2011) 1. 1.1 1.2 1.3 Product Description Description of use for the intended purpose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Brief Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Content Page: 6.4.5.3 6.4.5.4 6.4.5.5 6.4.5.6 6.4.5.7 6.4.8 Roll-out Device . . Puller. . . . . . . . . Global Parameters Input - Output Test Stepper Motor Test Version Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 Product Description 1.1 Description of use for the intended purpose The 1281/5-1 is a sewing unit which can be used according to the intended purpose of sewing of light to medium-heavy workpieces. Such workpieces are as a rule materials made of textile fibers. These sewing materials are used in the apparel industry. In general, only dry sewing fabrics may be processed with this sewing unit. The material must not contain any hard objects.
- – – – – – – – – – – – Freely programmable parameters for “Differential lower feed (optional)”, “Upper feed (optional)”, “Roll-out Device”, “Puller”, “Machine Parameters”, “Global Parameters”, “Program Sequences” - Input and Output Tests - Test routine for stepper motors - 20 Program Memory Capacity - up to 7 seam programs per program storage space Vertical cutter with suction device for overseaming and serging in a work step. Programmable chain cutting device with suctioning.
Rated voltage: Rated power: Dimensions: Work height: Weight: 1 x 230 V 50/60 Hz 1.00 KVA 2300 x 1300 x 1500 mm (L x B x H) 850 … 1200 mm (upper edge of table top) 125 kg Rated noise level: LC = 81 dB (A) Workplace-related emission value according to DIN 45635-48-B-1 Stitch length: 2.
3 Switching On - Switching Off - Program Stop 1 3.1 Switching On – Switch on the main switch 1 (turn in clockwise direction). The control unit loads the machine program. The starting screen is displayed on the display screen of the operating panel. – Switch off the main switch 1 (turn in anti-clockwise direction). 3.
3.3 Program Stop 2 1 The safety system of 1281/5-1 foresees the following options for immediate stoppage in case of faulty operation, needle breakage etc.: – Press the program stop switch 2 at the operating panel. Ongoing work steps at the sewing unit are immediately aborted. – Turn main switch 1 in anti-clockwise direction. The sewing unit is powered off immediately; all the movements at the sewing unit stop immediately. 3.
4 Operation of the sewing machine head 4.1 General Information The operation of the sewing machine head (inserting the needle, threading the needle thread and looper thread etc.) is described in the separately enclosed Pegasus operating instructions. The operating instructions are in the accessories pack of the sewing unit. Caution: Risk of Injury! Kindly read the operating instructions of the sewing machine head carefully and follow all the safety instructions.
4.2 Recommended yarn Needle system: Recommended needle thickness: B27 Nm 80 for very thin sewing material Nm 90 for thin sewing material Nm 100 for medium weight sewing material High sewing safety and good sewability are achieved with the following covering threads: – Double polyester continuous polyester core spun (e.g. Epic Poly-Poly, Rasant x, Saba C, ...) – Double polyester continuous cotton core spun (e.g. Frikka, Koban, Rasant, ...
4.3 Detaching/ Attaching the fabric sliding plate 2 3 2 1 The fabric sliding plate 2 is held in the recess of the table top with the help of the magnet 1. The edge guide 3 is fastened to the fabric sliding plate. Detaching the fabric sliding plate – Detach the edge guide 3 carefully upwards from the magnet. – Swivel the fabric sliding plate to the side. The lower area of the sewing machine head is now accessible.
5 Operating the sewing unit 5.1 Positioning table and work table 2 1 4 1 3 The sewing unit is equipped with two positioning tables 1 and 2. The skirt parts or trouser parts are prepared on them respectively. On work table 4, the trouser parts or skirt parts are positioned and clamped with the mouse 3.
5.2 Mouse with guide rail and retraction mechanism 3 2 1 7 6 5 4 The mouse is used for clamping of the trouser parts or skirt parts, in order to prevent them from sliding. The guide rail 3 is flexible and must be adjusted to the contour of the sewing part. Caution: Risk of Injury ! Do not reach into the mouse when it is open. Insert sewing part – Place the sewing part between the mouse plate 2 and the clamping arm 1. – Press shut the mouse.
9 9 3 8 Adjusting the guide rail 3 – Place the sewing part 8 on the work table in opposite direction to the feed direction. – Loosen the toggle screw 9. – Advance the guide rail 3 towards the contour of the sewing part. – Retighten the toggle screw 9. Opening the mouse manually 10 – Actuate lever 10. The mouse opens.
5.3 Inserting the sewing parts and starting the sewing operation The closing seam sewing unit 1281/5-1 works semi-automatically at high production speed. In the process, the operator of the sewing unit must perform the following tasks: ® Call up the desired seam program; ® Insert the workpiece neatly; ® Actuate the sewing operation with the foot switch; ® Monitor the sewing operation of the sewing unit; ® Remove the finished parts from the stacker.
8) With the right hand, grasp the trouser parts to be sewed such that the middle finger is below the lower trouser part, the index finger is between the two and the thumb is on the upper trouser part. 9) With pedal “-1” “backwards”, the contour guide moves forward. 10) Should a correction be needed, the contour guide can be moved back with the reset button. Once the trouser parts have been corrected, the contour guide can once again be moved forward with the “backwards” pedal. 11) Step on forward pedal.
Inside seam M 01 4_6 1) 2) 3) 4) Select the seam program at the operating panel (see Chapter 6.3). Lay out and adjust the trouser parts on the positioning table. Insert the trouser parts in the mouse. Close the mouse. 5) Insert the trouser parts under the sewing foot up to the point that the feed dogs securely grasp the trouser parts. 6) With the left hand, hold the trouser parts to be sewed.
5.4 Adjusting the blow air for the nozzles in the table top 1 2 The blow nozzles 1 in the table top support the neat destacking of the workpiece. – Adjust the blow air strength with the hand wheel 2 under the table top.
5.5 Adjusting the reverse motion speed of the mouse. 3 2 1 The cylinder 2 presses the mouse mechanism 3 downwards and thus draws the mouse back into insertion position. The return speed can be adjusted. – Adjust the speed with the hand wheel 1.
5.6 Adjusting the pressure of the puller 2 1 The pressure of the puller rollers 1 can be influenced using the turning knob 2. – Turning the knob 2 to the right. Pressure is increased. – Turning the knob 2 to the left. Pressure is reduced.
5.7 Stacker 2 1 3 The finished sewing parts are destacked on the flip stacker 2. The destacked and clamped sewing parts can be removed by actuating the foot switch 1. The triggering of the stacker is done by means of a control impulse. The pneumatic functions are shown in the pneumatic circuit diagram. Caution: Risk of Injury ! Do not reach into the operating range of the flip stacker while the stacking operation is on. Manual destacking – Press button 3 on the operating panel.
6 Operating the control unit 6.1 Operating the touch-screen monitor To start a function, the display screen is touched with the finger-tip at the point where the respective icon is shown. Tap directly on the desired function symbol with the finger-tip. The symbol will appear against a yellow background.
6.3 Main screen – Switch on the main switch 1 (turn in clockwise direction). The control unit loads the machine program. The start screen is displayed on the display screen of the operating panel.
= Calling up the main menu = Increasing (+) or decreasing (-) values for the upper and differential feed (only stepper motor version) = Activating manual sewing = Manual stacking = Contour guide back to home position Note: When the symbols are tapped, the highlighting of the symbols in white background signifies that the function is activated.
6.4 Sewing programs The sewing unit is pre-programmed with four programs ex-works. 5 6 4 Program No. SeamNo.
6.4.1 Selecting the program and seam number – Press the symbol when the main screen is displayed. The display changes to the screen programs. 1 – Tap the symbol for the desired program, e.g. “M04”. The symbol appears in inverted image. – Tap the symbol “P” in order to adopt the selection and in order to return to the main screen.
6.4.2 26 Creating a new seam program with seam number – Press the symbol on the displayed main screen. The display changes to the screen programs. – Tap the symbol for the new seam program (e.g. “M05”). The program number appears in inverted image. – Tap the symbol in order to adopt the selection. The display changes to the seam program “M05”. – Tap the symbol. The display is inverted. – Select a seam (e.g. “4”). The display changes to confirmation prompt.
– Tap the symbol. The display is inverted. – Select a seam (e.g. “6”). The display changes to confirmation prompt. Selection: Yes/ No 1 – Confirm with “Yes” in order to adopt the selection and in order to return to the seam program “M05". – Tap the symbol “P” in order to adopt the selection and in order to return to the display screen program. – Tap the symbol “P” in order to return to the main screen. 6.4.2.
6.4.3 Editing, deleting the seam program or seams Symbol Meaning Save Delete Enter Insert Scroll pages Exchanging Delete seam Example: Seam “6” 28 – Press the symbol when the main screen is displayed. The display changes to the screen programs. – Tap the symbol for the new seam program (e.g. “M05”). The program number appears in inverted image. – Tap the symbol “E” in order to adopt the selection. The display changes to the seam program “M05”.
– Tap the seam “6”. The display is inverted. – Tap the symbol “Delete”. The display changes to the confirmation prompt Yes / No. – Confirm with “Yes” in order to delete the seam 6.
Inserting a seam Example: No. “1” The seam to be inserted is always inserted in front of an existent seam. – Tap the seam “6”. The display appears inverted. 30 – Tap the symbol ”Insert”. The seam or several seams are shifted one place to the right and the free storage space flashes in negative image. – Select one seam, e.g. Number “1”. The display changes to confirmation prompt Yes/ No. – Confirm with “Yes” in order to insert the seam “1”.
Exchanging the seam Example: No. “6” with No. “4” – Tap the seam “6”. The seam “6” flashes. – Tap the symbol ”Exchange”. The other seams are marked for selection. – Tap one seam “4”. The seams “4” and “6” flash in inverted image. – Confirm with “Yes” in order to exchange the seams “4” and “6”. – Tap the symbol “P” in order to adopt the selection and in order to return to the display screen program.
Deleting the seam program Example: M05 32 – Tap the symbol “Delete”. The display changes to the confirmation prompt Yes/ No. – Confirm with Yes in order to delete the seam program M05. The display changes to the program screen. – Select the desired seam program, e.g. 04. The seam program is displayed in inverted image. – Tap the symbol “P” in order to adopt the selection and in order to return to the display screen program.
6.4.2 Manual sewing, driven by the pedal Switching on the function – Tap the symbol “MAN”. The display changes to the “manual mode”. 1 Switching off the function – Tap the symbol “P” in order to return to the main screen. Note The maximal speed in “Manual Mode” can be changed in the global parameters with the help of Parameter No. “103”.
6.4.5 Changing the seam programs · · Seam parameters are parameters that can be changed for individual seams (e.g. “4” or “6”). Global parameters are parameters that are identical for all the seam programs and seams. Seam parameters Global parameters Automatic seam change Note The quick access keys function only for the option “Fullness regulation by means of stepper motors”.
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6.4.5.1 Seam Parameters 6.4.5.1.1 Editing the fullness regulation – Tap the symbol for upper or lower feed. The following display screen appears.
Switching on the fullness regulation – Tap the symbol 3. The display is inverted. – The fullness regulation is therewith enabled and is also displayed in inverted image on the main screen on exiting the fullness regulation. Programming the stitches and quantities – Tap on the symbols for the stitches “6” or Item “5”. The display changes to input mode. – Enter the desired values. – Save the values with the key “P”. The display changes back to fullness regulation.
Quick adjustment of fullness regulation – Tap on the symbol for the desired quick adjustment. The display appears inverted. – Enable the fullness with the keys “+” and “-”. Change segments 1, 3 and 5. – Tap on the symbol “+17”. The value is saved.
Parameters of fullness regulation by means of stepper motor Upper feed Parameter 01: Parameter 02: Parameter 03: Parameter 04: Parameter 05: Parameter 06: Parameter 107: Parameter 108: Parameter 109: Parameter 110: Segment 1 Number of stitches Quantity of fullness Segment 2 Number of stitches Quantity of fullness Segment 3 Number of stitches Quantity of fullness Segment 4 Number of stitches Quantity of fullness Segment 5 Number of stitches Quantity of fullness in segment 1 in segment 2 in segment 3 in
6.4.5.2 Machine parameters – Tap the symbol. The display changes to the machine parameters. – Select the desired parameter with the arrow keys. – Tap the symbol “E” in order to adopt the selection. – Changing the value. – Tap the symbol “P” in order to save the selection.
6.4.5.3 Roll-out Device – Tap the symbol. The display changes to the parameters. – Select the desired parameter with the arrow keys. – Tap the symbol “E” in order to adopt the selection. – Changing the value. – Tap the symbol “P” in order to save the selection.
6.4.5.4 Puller – Tap the symbol. The display changes to the parameters. For programming, see Chapter 6.5.6.2 Roll-out Device Parameter 26: Parameter 27: puller Parameter 51: Parameter 100: puller is opened. 42 Number of stitches before the puller is lowered Number of stitches, for the length of which the is lowered.
6.4.5.5 Global Parameters – Tap the symbol for “Main Menu”. The display changes to main menu. – Tap the symbol for global parameters. The display changes to the global parameters. – Select the desired parameter with the arrow keys. – Tap the symbol “E” in order to adopt the selection . – Changing the value. 1 – Tap the symbol “P” in order to save the selection.
44 Parameter 79: Soft-start after “Stop in the seam” Parameter 80: Resetting the daily pieces counter.
6.4.5.6 Input - Output Test – Tap the symbol for “Main Menu”. The display changes to main menu. – Tap the symbol for Input-Output. The display changes to Input. Checking the inputs e.g. Start light barrier In1 – In In In In Switching the light barrier to dark. The display In1 appears inverted. 1 5 8 9 = = = = Start light barrier Program Stop Upper Feed Switch (Option) Differential Lower Feed Switch (Option) 1 Checking the pedal – Actuate the pedal. The display 2 to 12 appears in stepped mode.
Checking the outputs – Tap the symbol for the outputs. The display changes to Outputs. – Tap the symbol “Y 1”. The display appears inverted and the output is switched on at the same time. – Tap the symbol “Y 1” once again. The output is returned to its original position. – Tap the symbol. The subsequently selected output is automatically switched on/off.
6.4.5.7 Stepper Motor Test – Tap the symbol “Stepper Motor Test”. The display changes to the inputs. – Tap the symbol. The display screen for the stepper motor test appears. – Tap the symbol “Differential Feed” . The display screen for the differential transport test appears. – Tap on the symbol once again. The stepper motor for differential transport moves to reference position. – Tap the symbol once again. The stepper motor moves through its steps.
48 – Tap the symbol “Upper Feed” . The display screen for the upper feed test appears. – Tap on the symbol once again. The stepper motor for differential feed moves to reference position. – Tap the symbol once again. The stepper motor moves through its steps.
6.4.8 Version Data – Tap the symbol Global Parameters in the main menu. The following display screen appears. – Tap the symbol Version . The version data appears.
7. Data protection using the USB stick 7.1 General Information 1 The USB stick 1 serves the purpose of preserving and transferring the sewing unit software. With its help, program and parameter data can be transferred even to other sewing units and workplaces. Even customary USB sticks can be used. 7.2 Formatting the USB stick Before a new USB stick is used, it must be formatted accordingly. The file format is the “FAT 16” system. Format the USB stick using a PC with the FAT 16 system.
7.3 Saving the seam programs and seam parameters on the USB stick – – – – Switch off the main switch. Insert the USB stick in the slot of the operating panel. Switch off the control element. Tap the symbol. The display changes to the main menu. – Tap the symbol. The display changes to the display screen “Saving the seam parameters”. – Tap the symbol “Control on USB stick”. The display screen changes to selection. – Tap one file out of the five file options. – Tap the symbol “Control on USB stick”.
This is followed by the message: – Confirm with “OK”. The display changes to the main menu. – Tap the button “P” in order to return to the main screen. Note Five variously programmed files can be saved. The files can be renamed using the PC. ATTENTION: In the process, make sure that the file name does not exceed 8 characters.
7.4 Loading the seam programs and seam parameters from the USB stick – – – – Switch off the main switch. Insert the USB stick in the slot of the control element. Switch on the main switch. Tap the symbol. The display changes to the main menu. – Tap the symbol. The display changes to the display screen “Saving the seam parameters”. – Tap the symbol “USB stick in the control unit”. The display screen changes to selection. – Select the desired file with the arrow keys. – Tap the symbol.
This is followed by the message: – Confirm with “OK”. The display changes to the main menu. – Tap the button “P” in order to return to the main screen. 7.5 Saving global parameters on USB stick Procedure: See Chapter 7.3 7.6 Loading global parameters from the USB stick Procedure: See Chapter 7.4 7.8 Removing the USB stick – Switch off the main switch.
8. Maintenance 8.1 Cleaning and Testing Caution: Risk of Injury ! Switch off the main switch. The sewing unit may be serviced only when it is switched off. The maintenance jobs must be performed latest after the maintenance intervals specified in the tables (see column “Operating Hours”). Shorter maintenance intervals can ensue for the processing of lint collecting materials. A clean sewing unit protects against faults.
Operating hours Maintenance Job Explanation Operating Job to be performed Remove machine head Clean - Lint and thread waste . (e.g. with air blow gun) the entire area 1 of the thread guides under the thread sliding plate Suctioning Device Empty the container 2 of the suctioning device - Turn the lower part of the container to the left and remove the lower part - Empty the container - Screw back the lower part by turning it to the right.
8.2 Lubrication 1 1 Caution: Risk of Injury ! Oil can induce skin rashes. Avoid long-term skin contact. Wash yourself thoroughly after contact. ATTENTION ! The handling and disposal of mineral oils is subject to legal regulation. Deliver used oil to an authorised collection point. Protect your environment. Take care not to spill oil.
8.3 Repair When the machine is damaged or parts are worn please contact: Dürkopp Adler AG Potsdamer Str. 190 33719 Bielefeld Tel.: +49 (0) 180 5 383 756 Fax: +49 (0) 521 925 2594 E-mail: service@duerkopp-adler.com Internet: www.duerkopp-adler.
