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Strobel VEB100-1 Operating Instructions Manual

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For the professional user
Für den professionellen Anwender
Operating Instructions
Betriebsanleitung
Class:
Klasse:
Dated:
Stand:
VEB100-1
VEB100-2
VEB100-2W Ausf. 3
VEB100-4
VEB100-5
S p e z i a l m a s c h i n e n G m b H
Ausf. 3
Ausf. 3
Ausf. 1
Ausf. 1

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Summary of Contents for Strobel VEB100-1

  • Page 1 For the professional user Operating Instructions Für den professionellen Anwender Betriebsanleitung Class: VEB100-1 Ausf. 3 Klasse: VEB100-2 Ausf. 3 VEB100-2W Ausf. 3 VEB100-4 Ausf. 1 VEB100-5 Ausf. 1 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.
  • Page 5 For under table assembly BA_VEB100-1-2-2W-4-5_A3-1_180615_en...
  • Page 6 BA_VEB100-1-2-2W-4-5_A3-1_180615_en...

  • Page 7: Table Of Contents

    4.7.3 Setting the cloth retainer Cl. VEB100-4 ..........24 4.8 Sewing material transport ................. 25 4.8.1 Adjusting the stitch length............... 25 4.8.2 Adjusting the upper feed dog ..............25 4.9 Interval (Cl. VEB100-1, -2, -2W, -4) ..............26 4.9.1 Activate and adjusting the interval ............26 BA_VEB100-1-2-2W-4-5_A3-1_180615_en...
  • Page 8 4.10 Motor ......................... 26 4.11 Seam lock (version RF)..................27 4.11.1 General....................27 4.11.2 Switching on the seam lock ..............27 4.11.3 Seam lock ....................27 4.11.4 Thread tension at seam lock ..............28 4.11.5 Feed dog at seam lock ................28 4.11.6 Plunger lowering at seam lock ..............

  • 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 Notes

    The class designation (type) and machine/model numbers are fastened to the rear of the machine case. Applications of the machine Class VEB100-1 are mainly suitable for blind stitching thin woven and knitted fabrics. Class VEB100-2 are universal hemming machines for thin and medium weight material with cross seams.

  • Page 12: Technical Data Of Machine

    GROZ-BECKERT 1669 EEO Needle size Cl. VEB100-1, -2, -5 Cl. VEB100-2W Cl. VEB100-4 Thread polyester continuous filament Thread size Cl. VEB100-1, -2, -2W, -5 120/2 Cl. VEB100-4 200/2 Pneumatic connection 6 bar Average air consumption depending on the equipement Required space 0.5 m x 1.1 m...

  • Page 13: Setup And Installation

    Setup and installation 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. Make sure that all accessories have been unpacked before throwing away any packing material.
  • Page 14 CAUTION! Danger of injury! Before starting the machine, check that the electrical specifications given on the type plate of the motor, particular grid voltage and frequency, are appropriate for your electric system. Any anti-rust substances, such as vaseline or similar, must be carefully removed from the sewing tools before starting up the machine.

  • Page 15: Direction Of Rotation On Machine

    Direction of rotation on machine When facing the handwheel, turn it in a clockwise direction. Motor drive via V-belts Tensioning the V-belt 3.4.1 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 Needle position (when stopped within and outside of the stitch (Fig. 4)) (when using a thread trimmer): Adjust the needle position so that when the machine is switched off, the hook of the thread blade can reliably catch the thread loop above the looper without touching it.

  • Page 19: Motor Drive Using Tooth Belts

    Motor drive using tooth belts 3.5.1 Tension of 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.

  • Page 20: Machine Positions

    3.5.2 Machine positions CAUTION! Danger of injury! Entanglement hazard for clothing or hair and danger of finger injuries and needle punctures! When checking the positions while the machine is turned on, keep your fingers and hands away from moving parts. Machine with or without thread trimmer: The machine requires a needle position and depending on the sewing drive, possibly also a reference position.

  • Page 21: Notes On Usage

    Replace your needles in time! We recommend using twined polyester tread of thickness 120/2 (VEB100-1, -2, -2W, -5) and 200 (VEB100-4). Due to their high strength and good sliding behaviour at a small thread size, they are preferable to spun thread.
  • Page 22 Fig. 7 BA_VEB100-1-2-2W-4-5_A3-1_180615_en...

  • Page 23: Threading And Thread Insertion

    Threading and thread insertion CAUTION! Danger of injury! Before threading, switch off the machine and push down the motor switch pedal to ensure that the machine is truly switched off. Fig. 8 indicates the correct threading using the thread take-up device Fig.

  • Page 24: Thread Tension

    Thread tension Depending on the quality, configuration and thickness of the thread as well as the sewing material, the thread tension is set using the knurled nut ((2) Fig. 7) until the desired seam shape is created (Fig. 11). Thread take-up lever The thread take-up lever (8) shown in Fig.

  • Page 25: Cloth Retainer (Fig. 9)

    Cloth retainer (Fig. 9) CAUTION! Danger of injury! When making adjustments in the needle plate area, there is an injury hazard for fingers due to accidental actuation of the pedals! The needle plate is equipped with a cloth retainer. This retainer holds the sewing material against the plunger to allow needles to insert stitches.
  • Page 26 Fig. 9 Cl. VEB100-1, -2 Cl. VEB100-2W Cl. VEB100-4 BA_VEB100-1-2-2W-4-5_A3-1_180615_en...

  • Page 27: Setting The Plunger Limit Stop For Sewing Over Cross Seams

    Cl. VEB100-5 4.7.1 Setting the plunger limit stop for sewing over cross seams The cloth retainer stroke is set by means of a knurled nut (2) Fig. 9a and Fig. 9b, which serves as upper limit stop. To set the stroke place the material (a normal fabric layer without cross seam).

  • Page 28: Setting The Cloth Retainer Cl. Veb100-4

    4.7.3 Setting the cloth retainer Cl. VEB100-4 The Cl. VEB100-4 is equipped with an additional cloth retainer made of a spring plate (1), Fig. 9c, that holds the sewing material firm on the one-sided bevelled plunger (2) with the roll seam nozzle (3) for the piercing of the needle (Fig. 9c). The pressure of the cloth retainer on the sewing material is specified by the shape of the cloth retainer plate.

  • Page 29: Sewing Material Transport

    Sewing material transport The machine transports the sewing material using a rigid upper transport. The feed (stitch length) can be set from 5-8 mm (corresponds to 2-5 mm with the Cl. VEB100-4) in 4 steps. Serially, a pyramid-toothed (saw-toothed for Cl. VEB100- 4) feed dog is mounted, which can be exchanged for a saw-toothed one (pyramid-toothed) if necessary.

  • Page 30: Interval (Cl. Veb100-1, -2, -2W, -4)

    Interval (Cl. VEB100-1, -2, -2W, -4) The machine is equipped with a shiftable interval 1:2. The interval principle is based on recurrent lowering of the plunger to an exactly configured value (interval stitch depth). When switched on, the outer layer of material is only stitched every second time.

  • Page 31: Seam Lock (Version Rf)

    4.11 Seam lock (version RF) 4.11.1 General The classes VEB100-1, -2 and -2W can be equipped with seam lock and than they are named: VEB100-2RF. 4.11.2 Switching on the seam lock The parameter F-10 must be set from 0 to 1.

  • Page 32: Thread Tension At Seam Lock

    4.11.4 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. 4.11.5 Feed dog at seam lock The feed dog is lifted up by a pneumatic cylinder at the seam lock.

  • Page 33: Operating The Machine

    Operating the machine It is recommended to equip the machine with a pneumatic lifting device to facilitate machine handling (please see “ 8.4 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 34: Sewing

    Fig. 10 Sewing The machines of the VEB100 series are mainly designed for blind stitch hemming. The special applications of the corresponding subclasses are described under “ 2.3 Applications of the machine”. The sewing result should be an elastic seam free of marks. Depending on fabric quality the sewing requires a certain skill.

  • Page 35: Seams With Blind Stitches

    5.3.1 Seams with blind stitches In situations where no previous experience has been gathered, use sequence as below: Set the desired stitch length. Fig. 11 displays the corresponding seam shape for the required stitch length. Set the stitch depth. Check the cloth retainer pressure and adjust it if necessary. Adjust the plunger stop.

  • Page 36: Sewing With Folder

    Fig. 11 Fig. 12 5.3.2 Sewing with folder Folder (Cl.VEB100-5) The machine is equipped with a special combination of needle plate and folder to provide side and back parts of sack coats with a uniform book seam. Folders with a width of 6, 8 and 10 mm (finished hem width after pressing) are available.

  • Page 37: Setting The Folder

    5.3.2.1 Setting the folder Folder (Cl.VEB100-5) To re-adjust the folder, the angle of inclination can be adapted to the fabric thickness by means of knurled screw (1) (Fig. 13a and Fig. 14a). The folder should be placed downwards until one fabric layer is nearly jammed between the lower side of the folder and the plunger (Fig.
  • Page 38 Roll seamer (Cl. VEB100-4) Using the knurled screw (1) (Fig. 13b and Fig. 14b), the tilt angle of the roll seamer towards the plunger can be set. This influences the seam diagram (zigzag stitch). The needle can pierce the roll more or less deeply.

  • Page 39: Replacing The Folder

    Fig. 14 Cl. VEB100-5 Cl. VEB100-4 Fig. 15 5.3.2.2 Replacing the folder Loosen screw (4) ( Fig. 14), mount and tighten the new folder. Realise settings as described in “5.3.2.1 Setting the folder“. 5.3.2.3 Hemming with folder (Cl.VEB100-5) When the material support arm is lifted place the material from the left side and push the folded corner under the feed dog's front edge.

  • Page 40: Seaming With Roll Seamer (Cl. Veb100-4)

    5.3.2.4 Seaming with roll seamer (Cl. VEB100-4) The machine should be switch on and have positioned at least once (stop motor). The sewing material is inserted into the roll seamer from the left side whilst the material support arm is lifted. Pull the material diagonally forwards to under the feed dog.

  • Page 41: Attaching The Trouser Waistband Lining (Fig. 17)

    5.3.3 Attaching the trouser waistband lining (Fig. 17) 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. 17a and Fig. 17b): sewing the waistband on the lining sewing the waistband on the edge Fig.

  • Page 42: Sewing Problems And Troubleshooting

    Sewing problems and troubleshooting CAUTION! Switch off the machine and push down the motor switch pedal to ensure that the machine is truly switched off. Otherwise there is hazard of finger injuries and needle puncture!  Thread breakage Possible causes: Sharp edges or grooves in the needle guide, thread take-up lever, looper or needle’s eye after the machine has been used for a long time.
  • Page 43  Skip a loop Possible causes: Incorrectly adjusted looper Loop stroke/needle stroke incorrectly adjusted, therefore loop size (too small/too large) may not be suitable Chaining finger damaged or altered Incorrectly set or altered cloth retainer or cloth retainer pressure Solutions: Rotate the machine by hand, check the looper movement;...
  • Page 44  Difficulties in feeding the sewing material (stitch lengths vary from settings) Possible causes: Feed dog is incorrectly adjusted; need to be set lower or higher Feed dog gearing is not suitable Different presser foot pressure left/right Lift-off of presser foot is blocked Blockage of sewing material in needle plate, especially for cross- seams The loop remains stuck at the feed dog, for instance.

  • Page 45: Servicing The Machine

    Servicing the machine The machine is mostly equipped with maintenance free bearings and bushings. The areas and oil holes marked in red should be re-oiled after 20 operating hours or at the very latest once per week. One drop of sewing machine oil is sufficient.
  • Page 46 Cl. VEB100-1 Standard Optional 480.0286 480.0287 Needle plate 6,0 mm Opening 4,5 mm Opening Standard Optional Standard Optional 188.0243 188.0246 188.0244 188.0245 Cloth retainer Stitch formation Standard Optional 182.0332 182.0331 Feed dog BA_VEB100-1-2-2W-4-5_A3-1_180615_en...
  • Page 47 Cl. VEB100-2 Standard Optional 380.0286 380.0287 Needle plate 6,0 mm Opening 4,5 mm Opening Standard Standard 188.0243 188.0246 188.0244 188.0245 Cloth retainer Stitch formation Standard Optional 182.0332 182.0331 Feed dog BA_VEB100-1-2-2W-4-5_A3-1_180615_en...
  • Page 48 Cl. VEB100-2W Standard 480.0257 Needle plate 7,0 mm opening Optional Standard 288.0218 288.0217 Cloth retainer Stitch formation Standard 182.0331 Feed dog BA_VEB100-1-2-2W-4-5_A3-1_180615_en...

  • Page 49: Needle Plate

    Cl. VEB100-4 Standard 380.0275 Needle plate 4,5 mm Opening Standard 182.0327 Feed dog Standard Roll hemmer 1 386.0428 BA_VEB100-1-2-2W-4-5_A3-1_180615_en...
  • Page 50 Cl. VEB100-5 Standard 480.0250 Needle plate 7,0 mm Opening Standard 286.0364 1,0 mm Folder 6 mm Standard 182.0336 Feed dog BA_VEB100-1-2-2W-4-5_A3-1_180615_en...

  • Page 51: 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 (not applicable for cl. VEB100-4) 798.0496 electromechanical thread trimmer Prerequisite here is use of the EFKA Kompakt DC 1200 with connection cable Hemmer More hemmer sizes on request.
  • Page 53 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 54 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...

This manual is also suitable for:

Veb100-2Veb100-2wVeb100-5 aVeb100-4

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