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Strobel VEB100-3 Operating Instructions Manual

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For the professional user
Für den professionellen Anwender
Operating Instructions
Betriebsanleitung
Class:
Klasse:
Model:
Ausführung:
Dated:
Stand:
VEB100-3
2
S p e z i a l m a s c h i n e n G m b H

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Summary of Contents for Strobel VEB100-3

  • Page 1 For the professional user Operating Instructions Für den professionellen Anwender Betriebsanleitung Class: VEB100-3 Klasse: Model: Ausführung: Dated: Stand: S p e z i a l m a s c h i n e n G m b H...
  • Page 2 The sign of quality ou find the Strobel trademark on every Strobel machine leaving our works. And with good reason. This symbol is a guarantee of the high quality of our products. Quality which creates trust – trust in our technology, our service and, not least of all, in our good name.
  • Page 3 Justify your trust. If you wish to profit from the performance and efficiency of your Strobel machine as long as possible, exact handling and thorough care is necessary. For this reason we kindly request that you read the operating instructions closely.
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  • Page 7: Table Of Contents

    Operating instructions STROBEL Class VEB100-3 Contents General notes on safety .................... 5 General ........................7 Operating instructions ..................7 Class identification, serial number and orientation of the machine ....7 Range of applications ..................7 Technical data ....................8 Installation and putting into service ................9 Unpacking the machine ..................
  • Page 8 Operating the machine .................... 26 Switching on ....................26 Placing and removing the fabric - sewing process ........26 Sewing ......................27 5.3.1 Blind stitch hemming ................ 28 5.3.2 Attaching the trouser waistband lining (Fig. 12) ....... 30 5.3.3 Attaching facings ................30 Problems during sewing and possible solutions ...........

  • Page 9: General Notes On Safety

    General notes on safety Every person in charge of setting up, operating, servicing and repairing the machine must first read and understand the operating instructions and particularly the safety instructions before starting up the machine. Failure to comply with the following safety instructions can lead to bodily injury or damage to the machine.
  • Page 10 14. Warning instructions given in the operating instructions that pertain to especially dangerous parts of the machine must be indicated at these positions using a safety symbol. Warning instructions given in the operating instructions that pertain to special injury hazards for operating personnel or technicians must be indicated at these positions using a safety symbol.

  • Page 11: General

    Range of applications Class VEB100-3 is suitable for attaching waistbands linings on trousers, also for waistbands with belt loops attached. Exchanging the variable sewing tools, i.e., can extend the range of applications of the different machines that other fabric qualities than the above mentioned ones could be sewn as well.

  • Page 12: Technical Data

    Technical data Recommended rated speed: 2200 min Machine pulley diameter dw 80 mm Min. motor power 550 W V-belt profile 10 x 6 mm Toothed belt pulley/machine Z=38 Toothed belt profile HTD 5M-9 Stitch length-upper feed 5 - 8 mm (depend on fabric) Kind of stitch: single thread chain stitch blind stitch...

  • Page 13: Installation And Putting Into Service

    Installation and putting into service Unpacking the machine Strobel machines are supplied either as complete units with head, stand and motor, or head with motor only, or the head only. Reel stand, rods and other accessories are packed into the packing.
  • Page 14 A T T E N T I O N ! Before putting the machine into service make sure that the electric connecting data on the motor's name plate, mainly voltage and frequency, correspond to your electric network. All rust protection agents, such as Vaseline and similar agents have to be wiped off carefully from the sewing tools before putting the machine into service.

  • Page 15: Sense Of Rotation

    Sense of rotation The correct sense of rotation of the hand wheel is clockwise in line of vision on the hand wheel. Motor drive via V-belts 3.4.1 Tensioning the V-belt C a u t i o n ! Danger of injury! When checking the belt tension, switch off the machine at the mains.

  • Page 16: Positions Of The Machine

    3.4.2 Positions of the machine C a u t i o n ! Danger of injury! Danger of crushing fingers and needle through stitching as well as pulling in of parts of clothing. Keep fingers and hands away from moving parts when setting the position generator and checking the positions with switched-on machine.
  • Page 17 Machine with or without thread cutter: The machine requires a needle position and, depending on the sewing drive, possibly also a reference position. Reference position (Fig. 3): The reference position must be set in such a way, that the point of the needle in the direction of the insertion stitch closes with the right (inner) edge of the needle slide plate.

  • Page 18: Motor Drive Via Toothed Belt

    Motor drive via Toothed belt 3.5.1 Tensioning the Toothed belt (Fig. 5) C A U T I O N ! Danger of injury! Switch off the machine at the mains when checking the belt tension. Do not operate the machine without belt guard. Otherwise DANGER of crushing fingers, of injuries to the body or of pulling in of part of clothing.

  • Page 19: Positions Of The Machine

    3.5.2 Positions of the machine C A U T I O N ! Danger of injury! Danger of pulling in parts of clothing and of hair and danger of crushing fingers and stitching fingers with needles! When checking positions with switched-on machine keep fingers and hands away from moving parts.

  • Page 20: Instructions For Use

    Instructions for use Needles and threads The sewing quality can be influenced to a considerable extent by choosing the most suitable needles and threads for the material to be sewn. It is recommended to use controlled GROZ-BECKERT needles system 1669 EEO only.
  • Page 21 Fig. 6 BA_VEB100-3_A2_180618_en...

  • Page 22: Threading And Thread Course

    Threading and thread course A T T E N T I O N ! Danger of bodily injuries Switch off machine electrically and confirm that the machine is really in standstill position by operating the treadle for the motor control before threading. Fig.

  • Page 23: Thread Tension

    Thread tension Depending on thread and fabric quality, nature and thickness the thread tension is set by tension nut (1) ( Fig. 7). Thread take-up lever The thread take-up lever (2) ( Fig. 7) avoids thread twist and turning over of the loop, thus enabling a secure taking up of the loop by looper and needle.

  • Page 24: Cloth Retainer (Fig. 8)

    Cloth retainer (Fig. 8) A T T E N T I O N ! Danger of finger bruises through unintended actuation of the treadle during setting works in the needle plate area. The needle plate is upped with a cloth retainer (1) Fig. 8 which holds the fabric on the plunger during the time of needle penetration.

  • Page 25: Setting The Plunger Limit Stop For Sewing Over Cross Seams (Fig. 8)

    4.7.1 Setting the plunger limit stop for sewing over cross seams (Fig. 8) The cloth retainer stroke is set by means of a knurled nut (2), which serves as upper limit stop. To set the stroke place the material (a normal fabric layer without cross seam).

  • Page 26: Material Feed

    Material feed The machine transports the sewing material with a fixed top transport and with a bottom tape feed dog. The feed (stitch length) can be set from 5-8 mm in 4 steps. Serially, a saw-toothed feed dog is mounted (see point „ 7 Variable sewing tools“).

  • Page 27: Motor

    Motor General: A stop motor (DC1200) is available for driving the sewing machine. A needle positioning motor is needed for an exact machine positioning and to operate the electromechanical thread trimmer and pneumatic lifting. Please observe the operating instructions of the sewing drive supplied with the machine where you will find instructions to program the control and the motor speed.

  • Page 28: Seam Lock (Version Rf)

    4.10 Seam lock (version RF) 4.10.1 General The class VEB100-3 can be equipped with seam lock and than they are named: VEB100-3RF. 4.10.2 Switching on the seam lock The parameter F-10 must be set from 0 to 1. CAUTION! Under no circumstances may the LED 4 light up during sewing operation.

  • Page 29: Thread Tension At Seam Lock

    4.10.4 Thread tension at seam lock The additional thread tension should pull close the loop of the seam lock when switched on. During normal sewing it is lifted by a pneumatic cylinder and is out of operation. 4.10.5 Feed dog at seam lock The feed dog is lifted up by a pneumatic cylinder at the seam lock.

  • Page 30: Operating The Machine

    Operating the machine It is recommended to equip the machine with a pneumatic lifting device to facilitate machine handling (please see “ 8.3 Pneumatic lifting”). A T T E N T I O N ! Please observe the sewing area carefully during sewing. Otherwise danger of finger bruises and needle through stitches.

  • Page 31: Sewing

    Fig. 9 Sewing The machines of the 103 series are mainly designed for blind stitch hemming. The special applications of the corresponding subclasses are described under “ 2.3 Range of applications“. The sewing result should be an elastic seam free of marks. Depending on fabric quality the sewing requires a certain skill.

  • Page 32: Blind Stitch Hemming

    5.3.1 Blind stitch hemming If there are no former values available, proceed as follows: Set the desired stitch length. Fig. 10 shows the resulting seam according to the stitch length. Set the stitch depth. Check the pressure of the cloth retainer and readjust it, if necessary. Set the limit stop of the plunger.
  • Page 33 Fig. 10 Fig. 11 BA_VEB100-3_A2_180618_en...

  • Page 34: Attaching The Trouser Waistband Lining (Fig. 12)

    5.3.2 Attaching the trouser waistband lining (Fig. 12) For this operation a needle plate with wide opening is recommended since usually different fabric layers have to be sewn. Recommended needle sizes: 80, 90 There are two different types of operations (Fig. 12a and Fig. 12b): sewing the waistband on the lining sewing the waistband on the edge Fig.

  • Page 35: Problems During Sewing And Possible Solutions

    Problems during sewing and possible solutions Attention! Switch off machine electrically and confirm that the machine is really in standstill position by operating the treadle for the motor control. Otherwise danger of finger bruises and needle through stitches.  Thread tears Possible reasons: sharp edges or grooves in the needle guide, thread take-up, looper or needle eye after a long time of machine operation...
  • Page 36  Unintended skip stitching Possible reasons: wrong looper setting wrong setting of loop stroke/needle stroke, therefore insufficient loop formation (small/big) chaining finger damaged or not correctly set wrong setting of cloth retainer or cloth retainer pressure Solutions: operate machine manually, check the looper motion check the settings, re-set, if necessary, replace damaged parts change thread feed through thread take-up, if necessary ...
  • Page 37  Material feed problems (stitch length different from settings) Possible reasons: feed dog setting is not correct, material cannot be caught sufficiently. unsuitable feed dog toothing different pressures on the left and right hand feed plates feed plates lift is blocked material accumulation in the needle plate, mainly over cross seams seam or loop are caught by the feed dog unintended stitch length modification...

  • Page 38: Machine Maintenance

    Machine maintenance Most of the bearings of the machine are maintenance free. Apply one drop of sewing machine oil (oil is supplied wit the accessories) every 20 operating hours or at least once a week to the red marked points and oil borings. Release the machine head's slotted pan-head screw and remove cover 112.0504 to lubricate looper link 430.0151 and the feed crank.
  • Page 39 Cl. VEB100-3 Standard 380.0260 Needle plate 7,0 mm opening Optional Standard 288.0217 288.0233 Cloth retainer Stitch formation Standard 182.0151 Feed dog BA_VEB100-3_A2_180618_en...

  • Page 40: Optional Extras

    Optional extras The following devices are available as optional extras and can be ordered together with the machine or as separate kits. Thread trimmer 798.0496 electromechanical thread trimmer Prerequisite here is use of the EFKA Kompakt DC1200 Digital display 392.0637 Pneumatic lifting The use of a pneumatic lifting is only recommended if the machine is equipped with a needle positioning motor.
  • Page 41 Und wir können noch mehr für Sie tun! Unser Lieferprogramm bietet für jede Branche und jegliche Anforderung genau die richtige Problemlösung. And we can do a lot more for you! Our range offers the correct problem solution for every branch and for all requirements. Für die Bekleidungs- Für die Schuh- Für die Polster-...
  • Page 42 Then phone, write or simply come and see us. You can have further information about our products at any time, or experience the Strobel machines live in our show room. We’re looking forward to meeting you! Spe zi a l ma s c hine n G m bH...

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