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745 - 34 Speedpocket

Sewing unit for runstitching

of rectangular piped pockets

Operating Instructions

Installation Instructions

Service Instructions

Instructions for programming DAC

Postfach 17 03 51, D-33703 Bielefeld • Potsdamer Straße 190, D-33719 Bielefeld
T49 (0) 521 / 9 25-00 •

T49 (0) 521 / 9 25 24 35 •

www.duerkopp-adler.com

Ausgabe / Edition:

Änderungsindex

Teile-Nr./Part.-No.:

06/2007

Rev. index:

02.0

Printed in Federal Republic of Germany

0791 745171

Содержание 745-34 -

Страница 1: ...vice Instructions Instructions for programming DAC Postfach 17 03 51 D 33703 Bielefeld Potsdamer Straße 190 D 33719 Bielefeld Telefon 49 0 521 9 25 00 Telefax 49 0 521 9 25 24 35 www duerkopp adler com Ausgabe Edition Änderungsindex Teile Nr Part No 06 2007 Rev index 02 0 Printed in Federal Republic of Germany 0791 745171 1 2 3 4 ...

Страница 2: ...d Property of Dürkopp Adler AG and copyrighted Reproduction or publication of the content in any manner even in extracts without prior written permission of Dürkopp Adler AG is prohibited Copyright Dürkopp Adler AG 2007 ...

Страница 3: ... fabric waste Service maintenance inspection repair and or Transport The user also has to assure that only authorized personnel work on the machine The user is obliged to check the machine at least once per shift for apparent damages and to immediatly report any changes including the performance in service which impair the safety The user company must ensure that the machine is only operated in pe...

Страница 4: ...ersons with appropriate training 7 For service or repair work on pneumatic systems disconnect the machine from the compressed air supply system max 7 10 bar Before disconnecting reduce the pressure of the maintenance unit Exceptions to this are only adjustments and functions checks made by appropriately trained technicians 8 Work on the electrical equipment must be carried out only by electricians...

Страница 5: ... the corner knife station out in 22 2 10 2 Adjusting the corner knives 23 2 11 Reference position Starting the sewing cycle Quick stop 24 2 12 Flap and piping projection 25 2 13 Piping strip length 26 2 14 Working method 27 2 14 1 Working method production of trousers 28 2 14 2 Sewing with flap 31 2 14 2 1 Sewing without light barrier 31 2 14 2 2 Sewing with light barrier 33 3 Functions and operat...

Страница 6: ...4 Maintenance 4 1 Cleaning 46 4 2 Weekly lubrication 48 ...

Страница 7: ... agreed upon can become necessary see EN 60204 31 1999 We as a manufacturer of industrial sewing machines take it for granted that at least semi skilled operators will be working on our products so that we can assume that all usual operations and where applicable their risks are known to them 1 2 Brief description The Dürkopp Adler 745 34S is a sewing unit for runstitching of rectangular piped poc...

Страница 8: ... Needle distance 10 12 mm Needle size Nm 80 to Nm 110 Threads see table chapter 2 4 Stitch type Twin needle lockstitch Speed min 2000 r min max 3000 r min Stitch length min 2 0 to 3 0 mm Number of stitches condensed stitches 1 10 stitches Number of stitches bartack stitch 0 5 stitches Number of stitches condensed stitches bartack 0 5 3 0 mm Pocket length max 200 mm Operating pressure 6 bar Air con...

Страница 9: ... 497534 Remaining bobbin thread monitor 0745 597694 Bundle clamp with rest table for trousers parts incl table extension large 0745 597604 Blowing device For blowing out the finished parts 0745 597964 Vacuum blower for the suction device if there is no central vacuum system 0745 597984 Suction device Vacuum For more exact positioning of the material for connection to the central vacuum system Note...

Страница 10: ...8 1 2 ...

Страница 11: ...ut to the right side Swing the complete folding station 1 with folder to the right Hint With the sewing unit turned on a safety message appears on the screen of the control panel E r r 9002 Folding station swung out The sewing point is freely accessible Swinging the folding station back Swing the folding station back ATTENTION After the folding station has been swung back it must lock in catch 2 1...

Страница 12: ... covering hood back Loosen screw 1 of covering hood 2 Push the covering hood 2 to the left ATTENTION Push the covering hood 2 to the left only so far that the cable 3 of the light barrier is not damaged Push the covering hood 2 back to the right again Secure the covering hood 2 against displacement with the screw 1 Note With the covering hood pushed back a safety message appears on the screen of t...

Страница 13: ...ng the hook thread bobbins Swing the folding station 4 out by 90 Lift the fabric sliding sheet 6 in the area of pin 5 and swivel it away to the left For complete removal for maintenance and setting work Remove the fabric sliding sheet 1 11 6 5 4 ...

Страница 14: ...12 1 2 1 4 3 5 ...

Страница 15: ...ivel the locking lever 4 up Lift the fabric sliding sheet 3 at the front and swivel it to the left Lift the machine head in the area of the head cover and tilt it up carefully until catch 5 locks The latch snaps in additionally The space under the machine table is accessible for cleaning work Swinging the machine head back Lift catch 5 Swing the machine head back carefully Caution Danger of injury...

Страница 16: ...e label no 120 on the thread reel of a core thread corresponds e g to the thread size Nm 80 2 see table values in brackets In case of monofilament threads it is possible to use needle threads and hook threads of the same size The best results are achieved with soft and elastic threads software of the thread size 130 Denier Recommended thread sizes Needle size Core thread Core thread Nm Needle thre...

Страница 17: ... screw 2 and remove the needle from the needle holder 1 Insert the new needle in the drill hole of needle holder 1 as far as it will go ATTENTION Seen from the operator s side the hollow groove 4 of the left needle must point to the left and the hollow groove 5 of the right needle to the right see sketch Tighten screw 2 ATTENTION After changing over to another needle size the needle protection on ...

Страница 18: ...16 3 4 5 6 7 8 9 12 11 10 17 16 15 14 13 1 2 ...

Страница 19: ... guide 15 through the needle thread monitor 14 and through the thread guide 13 not visible Thread the thread through the guide 12 not visible through the drill hole in the needle holder and through the eye of the needle Right needle Put the thread reel on the thread reel holder Thread the thread from the thread reel through the drill hole 1 of the thread reel holder Guide the thread through the gu...

Страница 20: ... on the left Guide the thread through the guide 4 Guide the thread through the bobbin thread tension 2 Prewind the thread to the right in the front and hind reserve grooves of the bobbin hub The full reserve grooves guarantee a secure winding even with monofilament threads Press the bobbin retainer 3 against the bobbin hub The winder starts After reaching the set bobbin filling quantity the winder...

Страница 21: ... be restarted after the bobbin change See chapter Setting the number of stitches Removing the empty bobbin Switch the main switch off If the transport carriage is in front position push it to the rear by hand Swing the folding station aside Lift the fabric sliding sheet and swivel it to the left see chapter 2 2 Lift the upper part of the bobbin case in the area 2 The bobbin case retainer 1 is lift...

Страница 22: ...pulled off the bobbin must turn in the direction of the arrow in the opposite direction to the hook rotation Insert the upper part of the bobbin case 2 with the full bobbin in the lower part of the bobbin case Close the bobbin case retainer 1 Put the fabric sliding sheet on again Switch the main switch on Start a new sewing cycle The stitch counting has been reset to the old value see Programming ...

Страница 23: ...e 3 When setting the tension spring 6 the brake power is to be taken into account Setting the tension spring 6 First set only a minimum tension of leaf spring 6 at the adjusting screw 5 Increase the hook thread tension Turn to the right Reduce the hook thread tension Turn to the left With the bobbin inserted and the hook thread threaded through the throat plate a uniform and easy pull off must be ...

Страница 24: ...BTFE foil 2 is worn it has to be replaced TheBTFE foil has the following functions Better withdrawal of material Light beam interruption when the cover is open Caution Danger of injury Do not reach into the run area of the transport carriage when removing the workpiece In case of sewing programs with automatic carriage return the transport carriage moves to the front after release of the light bea...

Страница 25: ...fe station The setting of the corner knives with regard to the pocket length is done by adjusting the knife block The distance of the corner knives to the seam is manually adjustable The whole knife block can be tilted out in order to make adjusting and service work possible 23 ...

Страница 26: ...g the corner knife station 1 out to the left The knives are accessible for adjusting and service work Swinging the corner knife station in Swing the corner knife station 1 back under the sewing unit and let it catch ATTENTION The corner knife station must audibly lock when being pushed in Hint If the corner knife station is swung out with the sewing unit switched on the following message appears E...

Страница 27: ...4 equally Tighten screws 1 and 3 Adjust the angle of the other pair of knives correspondingly Height of the corner knives The corner knives are not height adjustable The knives always cut through completely Swing the corner knife station in see chapter 2 10 1 Seam beginning Seam end Straight pocket corners Right and left corner knife incisions lie parallel Position of the adjustable knife block Th...

Страница 28: ... Step forward on the pedal By repeated stepping on the left pedal the various steps of the positioning sequence are started sequentially For positioning corrections Step back on the pedal The last step of the positioning sequence is undone A new positioning can be made Step forward on the pedal The sewing cycle is started Quick stop The safety system of the 745 34S offers two possibilities for an ...

Страница 29: ...e respective sewing equipment E No from the Equipment Sheets of the 745 34 1 Folder 2 Piping projection max 40 mm 3 Flap 4 Guide plate on the folder 5 Flap projection max 20 mm 6 Piping strip NA Seam distance a b Material passage on the folder Setting the sewing depth of flap 1 Stop guide 3 determines the sewing depth and thus the flap projection Loosen screws 2 and 4 Adjust stop guide 3 Tighten s...

Страница 30: ...h The length of the piping strip must be dimensioned in such a way that it projects approx 20 mm beyond the seam beginning and seam end Thus the piping strip length is as follows Piping strip length Sewing length 2 x 20 mm 28 ...

Страница 31: ...g points are used for the various workpieces e g left and right pieces Aligning the positioning aids This section describes the adjustment and alignment of the positioning aids e g positioning marks marking lamps stop guides etc Positioning and starting the sewing cycle Under this item the individual positioning steps are listed with common positioning examples Caution Danger of injury Do not reac...

Страница 32: ...int 4 and at mark 3 Touch the pedal The hind trousers is firmly clamped in its position by the fabric downholder 5 Smooth out the clamped hind trousers in the area of the dart 3rd step Touch the pedal The feeding clamps run forward and lower onto the workpiece A separate lowering of the clamp halves can be programmed For example the right clamp lowers and the fullness from the trousers is manually...

Страница 33: ...1st step 2nd step 3rd step 31 1 2 1 5 4 3 6 7 8 ...

Страница 34: ...on the right feeding clamp This positioning method requires the flap clamp right Order No 0792 011162 available as optional equipment The edges 1 and 2 have to be sufficiently caught by the needle but must not be cut by the center knife Left single piping with grown on facing Position the piping strip at the stop guide 3 on the left folding sheet ATTENTION In case of grown on facings the right fol...

Страница 35: ...duction of trousers Right flap clamp Order No 0792 011162 Or Left flap clamp Order No 0792 011161 2 14 2 1 Sewing without light barrier Form stop for the flap The unmachined part 1 is delivered with the flap clamp 2 It has to be machined as a form stop corresponding to the flap used ATTENTION The flap length must correspond to the desired length of the pocket opening 1 33 2 1 ...

Страница 36: ...Rear positioning point applies as a fixed point also for other sewing units further flap lengths Attach the positioning mark 4 for the hind trousers to the fabric sliding sheet The sketch shows the positioning of a right hind trousers part 3 with flap Position the left hind trousers parts in reflected image The position of the flap remains unchanged 34 4 5 3 4 ...

Страница 37: ...t the sewing area for the attaching of flaps Always position the flaps within the marked area If the flap is not positioned correctly the error message Err 9721 or Err 9722 appears Correction of seam beginning and seam end The correction of the seam beginning NA and seam end NE when sewing with light barrier is done in the pocket correction program see Programming Instructions 35 1 2 1 ...

Страница 38: ... exposed reflecting surface 3 of the bobbin hub The display of the control box shows the message Info 3220 Additionally a flashing symbol indicate the position of the empty bobbin left bobbin empty right bobbin empty The pocket opening is safely finished with the thread in the reserve groove of the bobbin hub Caution Danger of injury Switch the main switch off Clean the lenses of the light barrier...

Страница 39: ...and 6 ATTENTION The bobbin thread monitor is only effective when the function is activated Activated with parameter 408 1 see the programming instructions chapter 4 Structure of menu Switch on the main switch Choose Multitest 953 see programming instructions chapter 4 Structure of menu Remove the bobbin case top part with bobbin Insert an empty bobbin in the bobbin case bottom part ATTENTION Exter...

Страница 40: ... value of 15 must be reached when the infrared ray hits the surface of the bobbin hub To exit the test program switch off the machine Correction Clean the lenses of the light barriers 2 and 6 as well as the reflection faces 7 of the bobbin hubs with a soft cloth Loosen the clamping screw 1 and 4 respectively Align the light barrier 2 and 6 respectively by a minimum rotary motion on the holders 3 o...

Страница 41: ... Blowing device The blowing device 1 Order No 0745 597604 is used in conjunction with the bundle clamp Order No 0745 597604 The blower pipe conveys the workpiece out of the sewing area blower 39 1 P Y012 1 ...

Страница 42: ...ion and operation Step the foot switch down and hold it down The bundle clamp 1 opens Hang the hind trousers parts in bundle clamp 1 The bundle clamp 1 closes Release the foot switch Place the clamped hind trousers parts on the table extension 2 Order No 0745 597674 After blowing out the hind trousers part hangs down on the bundle clamp 1 then 40 1 2 ...

Страница 43: ...table extension 3 onto the table top brace with the screws 2 Loosen screws 1 slightly Create a clearance to the table top by shifting the table extension 3 This clearance is required for the free passage of the positioned pocket bag 41 1 3 2 1 ...

Страница 44: ... be ordered under the order number 0745 597624 it is required for an accurate positioning of the workpieces if no central vacuum system is available Switching on the vacuum blower Switch on switch 1 at the control box of the vacuum blower 42 1 ...

Страница 45: ...o the local mains voltage has to be done at the terminal strip in control box 1 Screw off the cover of control box 1 Check the arrangement of the connections to the terminal strip see circuit diagram If necessary change the connections according to the local mains voltage Put the cover on the control box 1 again and screw on 3 6 2 Direction of rotation of the vacuum blower The direction of rotatio...

Страница 46: ...ote In case no factory own vacuum system is available the vacuum blower Order No 0745 597964 has to be ordered in addition ATTENTION When fitting the vacuum blower it is absolutely necessary to remove the seal 2 black from the valve Only the filter white should be attached to the valve 44 2 3 Only filter white for use with vacuum blower Order No 0745 597964 Seal black in front of filter white for ...

Страница 47: ...3 7 Mounting the 2nd light barrier Front view Bottom view S1 Light barrier LS1 S2 Light barrier LS2 Test program 952 Test program 954 Connection second light barrier 45 1 X100t X100t ...

Страница 48: ...aning A clean sewing unit protects from malfunctions Clean and check daily Clean the area around the hooks 1 and 2 with the compressed air pistol On each bobbin change clean the lenses of the light barriers 5 and 6 of the thread monitor with a soft cloth Clean the filter ring 7 on the vacuum valve 8 Blow it with an air gun 46 2 1 5 3 4 6 8 7 ...

Страница 49: ...er out of the water separator 2 under pressure The filter element 1 separates dirt and condensed water After a certain operating time wash the dirty filter tray and the filter element with benzine and blow clean with the compressed air pistol ATTENTION Do not use any solvents for washing out the filter tray and the filter element They destroy the filter tray 47 1 1 2 ...

Страница 50: ...hine head Tilt the machine head up see chapter 2 3 The oil level in the oil reservoir 3 must not drop below the Min marking If necessary fill some oil up to the Max marking through the drill hole in the inspection glass Check the oil level in the oil reservoir 5 for lubrication of the hook Tilt the machine head up see chapter 2 3 Fill the oil reservoir 5 with oil up to the Max marking through the ...

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