User manual for maintenance of punching tools
Contents
1. 22 10 1 Using of multiple radius tools 23 11 Tool CT CN 24 11 1 Punch chuck with insert size 0 0 6 0 and 6 01 10 5 24 112 AUCH Re u u de 24 DEAN Nr 25 11 4 Die size 1 2 and 3 flat 26 Tl DES NPE 26 EDEN 27 VEE hr 27 DES E 27 12 Weld POSITION ie 28 12 1 Definition of the form position from a punch into the sheet 28 12 2 Standard using for dies size Ill system 28 13 Providing a punching tool 29 13 1 Special features of the polyurethane stripper PU 30 132 Adjiusting a forming een 31 Jo OODE EE vrbem E MUI 32 DA PV er 32 EE STDC E T TUUM 32 13 6 Tool change with PU punch 10 5 30mm 39 14 alli 2 uu 34 14 1 General information about Revotool 34 14 2 Informations about revotool punch and die holder 35 14 3 Special stripper for thin material thickness lt 1mm 36 14 4 In that way you won t dam2. Extrusion tooling a mn ee ee Card guide tooling MattenstraBe 1 infoak boschert de Tel 49 0 7621 95930 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55 184 Changes reserved Version 04 2006 Special tools Spring clip tooling Punch embossing tooling Card guide tooling Card guide tooling Extrusion tooling Mattenstra e 1 infoak boschert de Tel 49 0 7621 95930 79541 L rrach Hauingen www boschert de Fax 49 0 7621 55184 Changes reserved Version 04 2006 Service and Order 6 BOSCHERT 17 Service and Order Delivery ex Work unpacked All toolings for all machine available Spare parts delivered by us will maintain the quality and reliability of your machine will not adversely effect the function and safety of the machine are state of the art and comply with EU regulations are covered by our guarantee When ordering parts please indicate the following data Machine model and serial number Name of spare part Article no if available Dimensions Number of pieces If there are any questions please do not hestitate to contact us Boschert GmbH Co KG Lidia Z rner Telefon 49 0 7621 9593 14 Email zuerner boschert de MattenstraBe 1 infoak boschert de Tel 49 0 7621 95930 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55184 Changes reserved Version 04 2006
3. BOSCHERT flexible reliable reasonably priced Manual de intretinere a sculelor de stantat User manual for maintenance of punching tools E O SM TECH www sm tech ro www sm tech ro Contents C BOSCHERT 1 GO VIG lu e 4 2 LIC T EERIEIERR 4 3 Grinding of the tooling 4 3 1 Message ke uuu uu u uuu xay sasana 4 3 2 NN 5 3 3 We suggest to grind the punching tools 6 4 DIE CIEALaNCE 7 4 1 CO IU coN E unan 7 4 2 Wrong AE Clearance nun een 7 4 3 Determination of the clearance for dies for system Boschert 8 5 Punching force computatlion 9 5 1 Calculating punching force a a 10 5 2 Punching performance schedule 28 tons for round tools 11 5 3 Punching performance schedule 40 tons for round tools 12 6 INSETHON GEPIEN ME 13 7 The maximum punching diameter 14 7 1 Computation of the maximum punching diameter 14 8 Service lile Ii CO aS D UL usss asua 15 8 1 Optimiza
4. Trouble shouting 6 BOSCHERT 18 Trouble shouting Rapid Tooling wear bad grinded tooling take enough coolant adjust the grinding wheel more times use a more thread one more line grinding wheel die clearence is too small make the clearence bigger tooling is bad adjusted adjust the tooling overheating of the puch use lubricant use covered punches take more punches with the same sizes noise pollution because of to much distance to the steel reduce the distance from the steel entrained material stripper stripper defect PU stripper use a new PU stripper Punch crash tooling fitting over cross fitting position from punch and die must be agreed die clearence is too small make the clearence bigger punching force is too small new calculation of the punching force use punches with rooftop or whisper shear tooling diameter is smaller than tooling diameter should be bigger the thickness of material than the thickness of material Bad quality of the punched wrong die clearence calculate the right die clearance with hole the help of stengthness and thickness of material blunt punch and die grind the tooling Built up edge at the puch insufficient lubricant ubricate the sheet regular blunt tooling grind the tooling grind a relief winkle at the punch take coated punches Unilateral wear at punches punch holder is not in the centre new adjustment and if ne
5. 04 2006 Die clearance 4 3 Determination of the die clearance with dies system Boschert C BOSCHERT F Material multiplication factor Spring steel F 0 30 Stainless steel e g 1 4301 F 0 20 mm Cold rolled steel e g St1203 St 37 F 0 20 mm Aluminium e g AIMg3 F 0 15 mm Copper F 0 20 mm Die DMa 1 D Punch 2 5 Material thickness 3 DMa Die Punch D Factor F x Material thickness S Die DMa Example 20 0 2 x 5 21 MattenstraBe 1 infoak boschert de Tel 49 0 7621 95930 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55184 Changes reserved Version 04 2006 Punching force calculation fo BOSCHERT 5 Calculation of the punching force Factor The height of the factor from 0 8 mm by using of punches with whisper shear WT has been resulted on our long term experience tool extent x material thickness x tensile strength material x factor 0 8 Punching force 9810 conversion of Nm in tons ATTENTION The punching strength of 28 and or 40 tons may not be exceeded Example 1 Puch obround whisper WT 10x100 mm Material thickness 5 mm Tensile strength material 420 NM steel 10 x 3 14 180 x 5 x 420 x 0 8 355152 9810 36 2 To Punching strength is not sufficient Example 2 Punch round flat FL 10 mm Material thickness 3 mm Tensile strength material 720 NM stainless steel 10 x 3 14 x 3x 720
6. 1 infoak boschert de Tel 49 0 7621 95 93 0 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55184 Changes reserved Version 04 2006 Tool change 13 6 Tool change with PU stripper punch 10 5 30mm C BOSCHERT punch holder in punch head punch adjustment ring gt rijei punch 10 5 mm or bigger than 10 5 mm punch with overhang approx 1 mm Mattenstra e 1 infoak boschert de Tel 49 0 7621 95 93 0 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55 184 Changes reserved Version 04 2006 Revotool fo BOSCHERT 14 1 General information about the Revotool To enter the punch in the punch holder 1 By turning of the set collar you can bring it in the right position 2 Enter punch in the hole of the holder 3 Put in the pin because of this is the punch fixed 4 Protect the locking piston by turning of the set collar To remove the punch in the punch holder 1 By turning of the set collar you can bring it in the right position 2 Remove the pin because of this the fixation of the punch will be removed 3 Put out the punch Standard slot in the dies 0 45 or 90 for round shapes only 0 degree The position of a rectangle punch and die with the help of an example De qe psv 1 35 15 35 If you place an order please pay attention for the following Please order
7. Customer No Order No G o e deliver time clamp X clamp Please make drawing into this place for your special tooling 90 punch max diam 25 mm 31230001 Date Signature MattenstraBe 1 infoak boschert de Tel 49 0 7621 95 93 0 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55184 Changes reserved Version 04 2006 Order sheet Revotool 6 way 6 mm fo BOSCHERT Customer Customer No Order No G deliver time clamp X clamp Please make your drawing into this place for the special tooling 90 punch max diam Q 20 mm 31230001 Date Signature MattenstraBe 1 infoak boschert de Tel 49 0 7621 95 93 0 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55184 Changes reserved Version 04 2006 Order sheet 6 BOSCHERT Revotool 7 way 6 mm Customer A OO Customer No Order No A Geliver time clamp X Please your drawing into this place for the special tooling 90 kappa JH 6 x punch max diam 16 mm 31230001 Qty Position Date Signature MattenstraBe 1 infoak boschert de Tel 49 0 7621 95930 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55184 Changes reserved Version 04 2006 Order sheet 6 BOSCHERT Revotool 8 way 6 mm Customer A Customer No Order No A A o
8. L rrach Hauingen www boschert de Fax 49 0 7621 55 184 Changes reserved Version 04 2006 Machines with rotation 10 1 Using of multiple radius tools Multiple radius tools prevent additional processing steps also possibly on another machine The rotation punching machine becomes more effectively used and the complete costs of toolings becomes more reduced MattenstraBe 1 infoak boschert de Tel 49 0 7621 95930 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55184 Changes reserved Version 04 2006 Tool dimensions 6 BOSCHERT 11 Tool dimensions 11 1 A Punch chuck with insert size 0 0 6 0 and 6 01 10 5 74 0 mm 3 0 mm punch length Max regrinding length 11 2 Punch revotool 7 ways 71mm 2mm Sliding punch The instruction that max regrinding length is only recommendations MattenstraBe 1 infoak boschert de Tel 49 0 7621 95930 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55 184 Changes reserved Version 04 2006 Tool dimensions 6 BOSCHERT h 1 3 Die revotool Die height Max i Outside length E D O Type Die height Max max regrinding Outside length 7 ways 15 mm 51 mm 1 mm Sliding die The instruction that max regrinding length is only recommendations min die cl 0 2 mm gt Mattenstra e 1 infoak boschert de Tel 49 0 7621 95930 79
9. material and be damaged or destroyed Note that we refuse the guarantee if you do not observe this rules MattenstraBe 1 infoak boschert de Tel 49 0 7621 95 93 0 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55 184 Changes reserved Version 04 2006 14 5 Maintenance 1 Take out the locking pin by using the threaded rod 2 Take out all punches 3 Fix the punch holder in a fixing device 4 Open the stripper peg with the gripping tool and take them together with the ring out gripping tool io s P N stripper peg 5 Grease the stripper shaft Clean and grease the Revotool after approx 50 000 strokes and if required please change the feathers You have to change the feathers of the Revotool absolutely after approx 100 000 strokes MattenstraBe 1 infoak boschert de Tel 49 0 7621 95 93 0 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55 18 4 Changes reserved Version 04 2006 Maintenance Revotool 6 BOSCHERT 6 Insert the stripper to the correct position 7 Stick in the stripper peg 8 Enter the ring and stripper peg and tighten them with the gripping tool Attention You have to put in the locking piston after insertion of the punch and protect it by turning of the set collar You have to test the stripper peg after every using to solid seat Problems The locking piston breaks see chapter 18 problem solutions Matt
10. no 30006064 SINT 7 a7 NW We E P Locking pin pos 110 7 a NN UE ee 1 lI 2S EE LTE Distance Ring pos 130 S PEE Order no 30006062 SE Z 7 lt Golden Ring pos 70 2 nw Order no 30006065 TT TAN Y SR Stripper Pivot pos 100 Order Nr 30006063 Stripper pos 120 Order no 30006061 Mattenstra e 1 infoak boschert de Tel 49 0 7621 95930 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55184 Changes reserved Version 04 2006 Le BOSCHERT 15 3 Spare part Revotool 7 way 6 mm Index Rotation 31203023a Centre Pivot Pos 90 EN Order no 30006100 lt Gear Pos 40 CZ A Order no 30006104 Z lt Locking pin Pos 110 Order no 30006099 N LE 224 MX SAS Distance Ring Pos 130 Order no 30006102 SS SAN lo i SS G AT Md PS SA i AN N Golden Ring Pos 70 Order no 30006105 Stripper Pivot Pos 100 Order no 30006103 Stripper pos 120 Order no 30006101 Mattenstra e 1 infoak boschert de Tel 49 0 7621 95930 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55 184 Changes reserved Version 04 2006 15 4 Spare part Revotool 7 way 6 mm Index Rotation Le BOSCHERT Slitting punch 5 x 30 mm Order no 30006082 Mattenstra e 1 infoak b
11. 541 Lorrach Hauingen www boschert de Fax 49 0 7621 55184 Changes reserved Version 04 2006 Tool dimensions 6 BOSCHERT 11 4 Punch size 1 2 and 3 flat 14 puch lenght 74 0 mm Max regrinding length 10 0mm The max regrinding length depends on the material thickness which can be punched The instruction that max regrinding length is only a recommendation 11 5 Punch size 1 2 and 3 whisper Tf punch lenght Max regrinding length 77 0 mm 10 0 mm The max regrinding length depends on the material thickness which can be punched The instruction that max regrinding length is only a recommendation Valid for all stamps After regrinding please the stamp length in the tool list of your punching machine under reground corrects MattenstraBe 1 infoak boschert de Tel 49 0 7621 95930 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55 184 Changes reserved Version 04 2006 Tool dimensions 6 BOSCHERT We recommend after sharpen the stencils to bring the overall height by spacers on the output measure Prices and delivery time take you please from our price list 11 6 Die size 1 cO Die height 18 0mm max regrinding length 1 0mm 11 7 Die size 2 q Die height 20 0 mm max regrinding length 1 0mm 11 8 Die size 3 The instruction that max regrinding length is only recommendations MattenstraBe 1 infoa
12. 6 weeks before delivery of the machine Mark the position of the punch on the sheet within Fax it to company L Boschert with no 49 7621 55184 MattenstraBe 1 infoak boschert de Tel 49 0 7621 95 93 0 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55184 Changes reserved Version 04 2006 14 2 Informations about revotool punch and die holder 4 way 6 mm amp INDEX 8 way 6 mm amp INDEX MattenstraBe 1 79541 Lorrach Hauingen punch max diam 25mm position of standard form punches 0 and 90 through changing the position 45 must be declared by you if you place an order produced since 2000 punch max diam 20 mm position of standard form punches at the sliding 0 position no and degree has to be declared by placing an order produced since 2000 6 punch max diam 16 mm 1 slitting blade 30 x 5mm only for Index rotation machine produced since 2000 punch max diam 16mm position of standard form punches possibility tochange the angle through changing of the position 0 45 or 90 degree produced since 2000 infoak boschert de Tel 49 0 7621 95 93 0 www boschert de Fax 49 0 7621 55 184 Changes reserved Version 04 2006 Special Revotool basic unity 14 3 Special stripper for thin material thickness lt 1mm Thin sheet stripper with inserts prevents that the material will be raised with the punch during the punching process Becaus
13. 67824 9810 6 9 To Punching strength is sufficient MattenstraBe 1 infoak boschert de Tel 49 0 7621 95930 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55184 Changes reserved Version 04 2006 Calculating punching 6 BOSCHERT force 5 1 Calculating punching force Round Diameter A Extent L 3 14xA Square Diameter A vV2xB Extent L 4xB Y Rectangle Be Diameter A vB C Extent L 2x C B Obround C Diameter A x A B Extent L 2x C B Bx3 14 Special tools On inquiry MattenstraBe 1 infoak boschert de Tel 49 0 7621 95930 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55184 Changes reserved Version 04 2006 Punching performance schedule Punching performance schedule 28 tons for round tools C BOSCHERT 280 kN 0 1 2 3 4 5 6 7 8 9 s mm Punching performance schedule for tools flat shape without consideration of the punching diameter increase use of puches with shear whisper with steel sheet with tensile strength 280 N mm Mattenstra e 1 infoak boschert de Tel 49 0 7621 95930 Fax 49 0 7621 55 18 4 79541 Lorrach Hauingen www boschert de Changes reserved Version 04 2006 Punching performance schedule 6 BOSCHERT 5 3 Punching performance schedule 40 tons for round tools D mm 105 ol iV LL ILLI 70 IN 400 kN Punching p
14. O deliver time clamp X clamp Please make your drawing into this place for the special tooling 90 punch max diam 16 mm 31230001 Punch size Die size Pos No Position in O ILLI IE J CO special Date Signature MattenstraBe 1 infoak boschert de Tel 49 0 7621 95930 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55184 Changes reserved Version 04 2006 Spare part fo BOSCHERT 31203008a 15 1 Spare part Revotool 4 way 6 mm Centre Pivot pos 90 Order no 30006068 Order no 30006072 Ly RRE Za Wy AN Locking pin pos 110 lt RR Order no 30006067 _ u Gear pos 40 z A gt Fr 2 Su lg ss L N e Distance Ring pos 130 RR gt RR Z uu ES Order no 30006070 ST H a WINES soca al f AN ks ml ote SOS I f NH ERE RAIRA R NS a En UN Golden Ring pos 70 de Gs Y Z IN Order no 30006073 2 R f R e gt 8 ZL LIE Stripper Pivot pos 100 Order no 30006071 Stripper pos 120 Order no 30006069 MattenstraBe 1 79541 Lorrach Hauingen Changes reserved infoak boschert de www boschert de Tel 49 0 7621 95 93 0 Fax 49 0 7621 55 184 Version 04 2006 Spare part fo BOSCHERT 15 2 Spare part Revotool 6 way 6 mm 31203009a Centre Pivot pos 90 Order no 30006060 Gear pos 40 Order
15. age your tools unnessessary by working of eos 37 75 ISIN Em 30 39 14 6 EE 40 Example order sheet revotool 6 ways 6 MM 41 Order sheet revotool 4 6 7 8 ways 6 MM 42 45 15 Spare parts revotool 46 Spare parts revotool 4 6 7 8 WAYS 6 46 50 16 perire 49 16 1 49 162 FL m UU 50 51 17 Service and Order sssnannnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nnmnnn nnn 54 18 TROUDIC SHOULUNG s uuu uuu u REEE 55 56 MattenstraBe 1 infoak boschert de Tel 49 0 7621 95930 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55184 Changes reserved Version 04 2006 Introduction Copyright 6 BOSCHERT Grinding of the tooling 1 Copyright This manual is in copyright matters protected All rights also those of the translation the reproduction and the duplication of the manual or from parts are reserved No part of the manual may be multiplied and spread without written permission of the company L Boschert in any form 2 Introduction For interruption of the punching machine are problems of the tools often responsible Please read the following information about tools attentively 3 Grind
16. cessary and dies to the die holder please contact the service of company L Boschert Break of punch chuck material is too thick max 2 mm VA change the tooling to size respectively 5 tons punching power Locking piston breaks at the back open set collar close the set collar Locking piston breaks at the front the stripper peg is loose stick in the stripper peg MattenstraBe 1 infoak boschert de Tel 49 0 7621 95930 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55 184 Changes reserved Version 04 2006 Trouble shouting 6 BOSCHERT Sheet get caught not enough power of the stripper use an additional steel stripper sheet thickness 2 5 6 0 mm Result of the punching at the sheet is very bad sheet get caught Distribuitor S C SM TECH S R L www sm tech ro office sm tech ro Tel 0745 528494 Tel Fax 0231 515702 MattenstraBe 1 sheet will be taken upwards with the use a special thin sheet stripper punch infoak boschert de Tel 49 0 7621 95 930 79541 Lorrach Hauingen Changes reserved www boschert de Fax 49 0 7621 55184 Version 04 2006 fo BOSCHERT Personal Notes MattenstraBe 1 infoak boschert de Tel 49 0 7621 95 930 79541 L rrach Hauingen www boschert de Fax 49 0 7621 55 184 Changes reserved
17. e of this will be a clear result guaranted You have to order for every punch the suitable insert MattenstraDe 1 infoak boschert de Tel 49 0 7621 95 93 0 79541 L rrach Hauingen www boschert de Fax 49 0 7621 55184 Changes reserved Version 04 2006 14 4 Inthat way you won t damage your tools unnecessary by working of borders C BOSCHERT Z e L Q e N VI A N S AO UN Y MES ZiN d H ae SS dE 4 ES gt ul M 1 4 I ist E EET LIT rs ei Hu Ui qme A Nagel te LA ILN right wrong By working off from sheets be paid attention that you do not overload the Revotool by working of edges Especially by working off from thicker sheets 2 5 6 0 mm As you will see on the drawing should be the tooling with the whole surface supported on the workpiece for example corner notchers notcherson 4 corners Should it be required that the workpiece have at the right and left side or at the top or bottom side the same punching please put two times the same punch parallel in the tooling Take care on a proper handling so that it will be guaranted to have a long service life If you work with thicker material 2 5 6mm you have to use an addi E Sand A tional steel stripper because the power of the feather from the Revotool is not enough The punch could get stuck in the
18. enstraBe 1 infoak boschert de Tel 49 0 7621 95 93 0 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55184 Changes reserved Version 04 2006 Maintenance Revotool 6 BOSCHERT 14 6 Spare parts Revotool 4 way 6mm set springs 4 018 2 x 38 mm 12x 08 5 x 38 mm 4 09 6 x 38 mm 60006066 Revotool 6 way 6mm set springs 6x 29 6 x 38 7 mm 015 5 x 38 3 mm 60006058 Revotool 7 way 6mm set springs 8 011 9 x 44 6 mm 1x 031 3 x 51 6 mm 30006098 Revotool 8 way 6mm set springs 8x 011 9 x 44 6 mm 1x 31 3 x 51 6 mm 30006050 grease top 2000 30006074 MattenstraBe 1 infoak boschert de Tel 49 0 7621 95 93 0 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55184 Changes reserved Version 04 2006 Example Ordersheet Revotool 6 way 6 mm fo BOSCHERT Customer Company Mustermann customer No 141112 Order No K241 deliver time KW 04 clam clam p X p Please make your drawing into this place for the special tooling punch max diam 0 20 mm 31230001 Punch size Die size Pos no Position in KO Mo ij I Date 04 12 2003 Signature AA U u Oder MA US MattenstraBe 1 infoak boschert de Tel 49 0 7621 95 93 0 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55184 Changes reserved Version 04 2006 Order sheet Revotool 4 way 6 mm C BOSCHERT Customer
19. erformance schedule for tools flat shape without consideration of the punching diameter increase use of puches with shear whisper with steel sheet with tensile strength 400 N mm Mattenstra e 1 infoak boschert de Tel 49 0 7621 95930 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55184 Changes reserved Version 04 2006 Insertion depth 6 BOSCHERT 6 Insertion depth ZEZ We recommend a punching depth of 1 2 mm into the die Attention With wrong submergence slug pulling can develop Mattenstra e 1 infoak boschert de Tel 49 0 7621 95930 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55 184 Changes reserved Version 04 2006 Max punching diameters 6 BOSCHERT 7 The maximum punching diameter enis Tas oe 4 6 6 1 8 Revotool 4 way Revotool 6 way Revotool 7 way Revotool 8 way The diagonal A for round square rectangle and obround hole tools please infer from the chapter 5 1 calculation tool extent in this manual 7 1 Calculation of the maximum punching diameter The range d becomes by that max diameter circle envelope as a function of the tool center determines MattenstraBe 1 infoak boschert de Tel 49 0 7621 95930 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55 184 Changes reserved Version 04 2006 Service life increase 6 BOSCHERT 8 Service life increase 8 1 Optimization of the steel grade a
20. ing of the tooling 3 1 Necessity of grinding Regular grinding of the tools quarantees a constant punch quality and increases the tool life as well as protects your punching machine MattenstraBe 1 infoak boschert de Tel 49 0 7621 95930 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55 18 4 Changes reserved Version 04 2006 6 BOSCHERT Grinding of the tooling 3 2 Effective grinding The lifetime of a punching tool depends of the size and the shape of the tool as well as the type and thickness of material being punched sharpe cutting edges blunt tools increase shear crack raised shear crack GY sheet v z 7 sheet Z LA shear area blunt tools cause burrs A reqular examination is necessary on the basis of the following criterion has the noise level increased when punching with the same tool does the cutting edge have a radius of more than 0 1 mm has the quality of the punched holes becomes more worse has a structure cut formed at the cut surface are slugs pulled during the upward stroke 6 radius 0 1 mm 0 004 in MattenstraBe 1 infoak boschert de Tel 49 0 7621 95930 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55184 Changes reserved Version 04 2006 3 3 We suggest to grind the punching tools Boschert tool grinding machine Grinding wheel diameter Grinding wheel speed Vertical adjustment Hand wheel increment Wo
21. k boschert de Tel 49 0 7621 95930 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55184 Changes reserved Version 04 2006 Form position fo BOSCHERT 12 Form position 12 1 Definition of the form position from a punching in the sheet metal Definition of the L Boschert standard slot situations with stencils size I Il and lll for all machine types square rectangle special 1 4 N m Y Achse For special slots the angle of the 0 Position is out indicated 12 2 Standard using for dies size Ill system Boschert Standard slots Additional slots against surcharge available MattenstraBe 1 infoak boschert de Tel 49 0 7621 95930 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55 184 Changes reserved Version 04 2006 Providing a punching tool 6 BOSCHERT 13 Providing a punching tool For details on the tools system sizes forms etc please see our separate Punching tools brochure Always work with an adjustment ring It conveys the punching forces that develop onto the cap of the ram which was designed for this purpose Tools with up to 30 mm have an adjustment ring with a a collar P d Adjustment ring Tools with from 30 to 105 mm have an adjustment ring with collar without a collar Punching neddle of 6 0 or 10 5 mm Adjustment ring insert punching neddle into punch chuck without collar screw threaded piece into p
22. liance Pay attention to the following the mirror image position of the punch in the appliance the position of the cam 2 in the accommodation of the tool Adjusting procedure unscrew the screw 3 select groove for desired angle insert punch spigot 4 into adjustment appliance insert cam 2 into selected groove release clamping lever 5 push stop 6 towards the punch so that the punchsurface is adjacent to the edge 6a tighten clamping lever 5 tighten screw 3 release clamping lever 5 take off the punch Check The adjusting ring must lie axially on the bearing l surface of the punch control measure 40 mm MattenstraBe 1 infoak boschert de Tel 49 0 7621 95 93 0 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55184 Changes reserved Version 04 2006 13 3 Stripper You have two possibilties to take off the material stripper steel and active stripper with feather or plastic PU 13 4 PU stripper Advantages Active stripping Silencing Rapid changing of the tools cause the PU stripper is directly on the punch small safety zone of the clamps favourable price Disadvantages PU stripper is most suitable for material thickness more than A mm and diameter more than 50 mm 13 5 Metall stripper 7 A Advantages To be recommended for material more than 3 mm Mattenstra e
23. ly The hardness of the titanium nitride layer amounts to 2 400 HV The layer strength amounts to approx 3 u MattenstraBe 1 infoak boschert de Tel 49 0 7621 95930 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55184 Changes reserved Version 04 2006 Service life increase 6 BOSCHERT 8 4 Titancarbonitrid TICN coating The titanium nitride TIN coating will be particularly recommend for the treatment of steel and high grade steel The TICN coating one shows violet to bluish colouring is not as strongly remarkable as the TIN covering However the hardness TICN of the cover is with 3 000 HV The layer strength amounts to approx 3 u 8 5 Using of suitable coolant and lubricants We recommend you for the optimal cooling and lubrication Emulgan D order no 30110042 Mixing ratio 1 10 8 6 Relief produced by grinding of punches We produce our standard toolings always with relief part Particulary by working with VA sheet metal or thick sheet metal can be a relief part very important to reduce the adhaesive wear and to avoid the outbreak of the corners MattenstraBe 1 infoak boschert de Tel 49 0 7621 95930 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55184 Changes reserved Version 04 2006 Service life increase 8 7 Corner radius with punches Fi e A general service lite problem is the corner wear on e g square and triangle punches Standard
24. nd or the degree of hardness from the tools Optimization of the steel grade and or the degree of hardness from the tools by breaking of tools and or breaking out of tools at the cutting edges due to high cutting forces with treatment of thicker and or high strength sheet metals With the HSS quality highly alloyed high speed steel generally best results are obtained However sometimes in the case of extreme demand of the firmness of the tools higher service lives can be achieved by appropriate coatings and or surface treatments 8 2 Titanium nitride TIN Titancarbonitrid TICN coated tools With premature wear of the cutting edges and or profile surfaces due to treatment of abrasiver materials as well as breaking of tools due to high pull back powers in processing of materials which bend like ST37 and Nirosta to cold shuts Hardness of the titanium layer 2400 HV hardness TICN of the layer 3000 HV layer strength 3 Coated tools can achieve extremely high service lives scales etc superficial or in the form of inclusions but they are however sensitive and become useless with the breaking of the layer in relation to contamination of the processing sheet metals with sand sharpening of coated tools is possible bluish TICN gold yellow TIN 8 3 Titanium nitride TIN coating The titanium nitride TIN coating eill be particularly recommend for the treatment of aluminum This coating emphasizes itself by the golden surface clear
25. nforced version are particularly suitable for high die materials and thick sheet steel plates To kept develop as high service life and a life span as possible use of heavy duty adjusting rings use of steel strippers min sheet thickness of 10 0 mm and more and or if the necessary punching die mind 200 kN amounts to min punch diameter 10 0 mm max punch diameter 76 2 mm r9 4 or ar arr avt K rara ar 9 4 Heavy duty adjusting ring included wedge strengthened form 9 5 Heavy duty dies The thickness of the die is increased by the strengthened lower federation starting from 200 KN punching strength or to max die 60 0 mm MattenstraBe 1 infoak boschert de Tel 49 0 7621 95930 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55184 Changes reserved Version 04 2006 Machines with rotation 10 Machines with rotation The initial costs of the tools and readjusting time has become clearly less We recommend our particularly developed slitting tool with active stripper system for punching machines with rotation 82 mm p2 a D ZZ Special advantage ZZ SN e T ECT RS small safety area f 2 KZN zi changeable knife ff ff I ff Z Attention extended tooling observe the depth of immersion MattenstraBe 1 infoak boschert de Tel 49 0 7621 95930 79541
26. o 105 mm size lll Same procedure as with punch size Su however without collar on the adjustment ring Punch sizes ll and Ill M6 screw 13 1 Special features of the polyurethane stripper PU Attention Mounting the PU stripper and making the start hole is performed in one work step where punch and die are mounted Place the PU stripper centrically on the die and punch the start hole By pressing two hand operation in the manual operation mode The PU stripper will rest on the tool or adjustment ringdepending on the size of the tool f the PU stripper rests on the adjustment ring then the adjustment ring should not be dismounted after However if it will be dismounted then the PU stripper must be pushed downward by at least 5 mm in order to ensure that the adjustment ring rests accurately the PU stripper extends upwards when the adjustment ring is removed For forming tools the PU stripper must be dismounted completely since adjustment is possible only via the cutting edges MattenstraBe 1 infoak boschert de Tel 49 0 7621 95 93 0 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55 184 Changes reserved Version 04 2006 6 BOSCHERT Adjusting a forming tool 13 2 Adjusting a forming tool For round punches the adjustment ring is mounted independent of the position For forming punches the adjustment ring must be mounted with positional accuracy by means of the adjustment app
27. oschert de Tel 49 0 7621 95930 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55184 Changes reserved Version 04 2006 sm 15 5 10 00 Q 5 5 de 2 S SX 5 a xx 7 x OR 2 MattenstraBe 1 79541 Lorrach Hauingen Changes reserved m NES NESEN N N S N Z A NY KX Z 2 UR IN LI NSS SL462222222722777 N KINN N N P N sv ROE Spare part Revotool 8 way 6 mm y N NS 4 2 apos IN a DJ 7 BE AS SSG S D EF infoak boschert de www boschert de C BOSCHERT 31203007a Centre Pivot pos 90 Order no 30006052 Gear pos 40 Order no 30006056 Locking pin pos 110 Order no 30006051 Distance Ring pos 130 Order no 30006054 Golden Ring pos 70 Order no 30006057 Stripper Pivot pos 100 Order no 30006055 Stripper pos 120 Order no 30006053 Tel 49 0 7621 95930 Fax 49 0 7621 55 184 Version 04 2006 Special tools 6 BOSCHERT 16 Special tools 16 1 Special form MattenstraBe 1 infoak boschert de Tel 49 0 7621 95930 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55184 Changes reserved Version 04 2006 Special tools Trumpf 16 2 Forming tool Louvring tool Knockout tooling singles Embossing punch tool Countersink tooling
28. qu E e To reduce the wear of the corner we generally sharpen a corner radius of R 0 15 mm on every punch By working on e g VA sheet metals is it advisable to increase these corners radii e g R 0 5 and or as largely as possible MattenstraBe 1 infoak boschert de Tel 49 0 7621 95930 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55 184 Changes reserved Version 04 2006 BOSCHERT Service life increase 8 8 Punch with whisper 1 Punches with whisper will be set in for fullcut to a thickness of 10 mm 2 Punches with whisper do have a slope of 50 in their outside diameter D 10 51 mm to 35 mm from diameter 35 mm a constant measure of altitude of 3 mm That means that the helix angle depends from the outside diameter 3 Punches with whisper do have a diagonal cut edge up to outside diameter D 72 mm from D 72 mm on size Ill a V form double slope Simply regrind is guaranted 4 Flat punches for machine group A H do have a length of 74mm for machine group 77 5mm Punches with whisper have fundamental a total length of 77 mm 5 An additional silencing from 3 5 dB by sheets to s 3 mm can be produced if you use PU strippers This ones are insertable for punches up to diameter 48 mm 6 By calculating of the max punching diameter you have to use the maximum power schedule respectively with the included shearing factor in the machine operating manual 7 Obtainable constr
29. rking area Working height of table Overall size including frame Overall height of machine Weight Motor power Fuse protection MattenstraBe 1 EASY SHARP Price per inquiry Metric Inch 175 mm 7 in 2825 rpm 2825 rpm 150 mm 6 in 0 02 mm 0 0008 in 400x150 mm 15 7x6 in 1100 mm 43 3 in 1400x800 mm 55 2x31 5 in 1600 mm 63 0 in 226 kg 499 165 0 75 Kw 1 HP 3x10 A 3x10 A infoak boschert de www boschert de Tel 49 0 7621 95 93 0 79541 Lorrach Hauingen Changes reserved Fax 49 0 7621 55 184 Version 04 2006 Die clearance 6 BOSCHERT 4 Die clearance 4 1 Correct die clearance The die clearance depends on several factors e g of the materials type and the sheet thickness By a correct die clearance the service life of your tools extends 4 2 Wrong cut play Die clearance too less The punch is loaded too strong Servicelife being shorten The die is loaded too strong Die clearance too much Slug pulling Slug pulling the punch slug falls not in the waste container but can pull itself upward and blocks themselves e e n die and sheet metal The material is pulled therefore from the pliers For this reason we recommend our punch stop in the dies large burr at punching The sheet metal becomes useless out MattenstraBe 1 infoak boschert de Tel 49 0 7621 95930 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55184 Changes reserved Version
30. tion of the steel grade or the degree of hardness from the tools 15 8 2 Titanium nitride TIN Titancarbonitrid TICN coated tools 15 8 3 Titanium nitride TIN coating 15 8 4 Titancarbonitrid TICN coating 16 8 5 Using of suitable coolant and lubricants 16 8 6 Relief produced by grinding Of PUNCHES 16 8 7 Corner radius Dy punches 17 8 8 PUNCA eem nennen 18 8 9 Obtainable constructions of punches with 19 9 Heavy duty Uu 20 9 1 Using of tools reinforced version rranrrrrnnrrnrnnnennnnnrnvnnrevrnnrennnnsennnrsnnnnssnnnnnee 20 9 2 Punching tools reinforced version heavy duty tools 21 9 3 EN uu 21 9 4 Heavy adjusting ring inclusive wedge strengthened form 21 9 5 FO yi oet 21 MattenstraBe 1 infoak boschert de Tel 49 0 7621 95930 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55184 Changes reserved Version 04 2006 Comens Le BOSCHERT 10 Machines with rotation
31. uctions fo punches with whisper will be shown on the following page Mattenstra e 1 infoak boschert de Tel 49 0 7621 95930 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55 184 Changes reserved Version 04 2006 Service life increase 8 9 Obtainable constructions of punches with whisper fornibbling MattenstraBe 1 infoak boschert de Tel 49 0 7621 95930 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55184 Changes reserved Version 04 2006 Heavy duty tooling 6 BOSCHERT 9 Heavy duty tooling 9 1 Using of tools reinforced version Example Revotool otrengthened execution otandard execution These punches are recommend espacially for sheet thickness wich are not as thick as the diameter or the width of the punch Generally it applies by using of mild steel that the punch should not be less than the plate thickness By using of high grade steel is the amount one and a half of the plate thickness MattenstraBe 1 infoak boschert de Tel 49 0 7621 95930 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55 184 Changes reserved Version 04 2006 Heavy duty tools 6 BOSCHERT 9 2 Punching tools reinforced version heavy duty tools Please always compute the punching strength before you start with the treatment Those max punching force of the punching machine can be easily overrated 9 3 Heavy duty punch The tools rei
32. unch chuck and tighten fast do not tighten too much since otherwise the punch chuck could get deformed or destroyed during punchin action control measure punch until end of punch chuck 74 mm Polyurethane stripper secure the punching needle by means of PU Punching needle the headless screw in cade of forming Punch chuck Threaded piece adjustment process tools I clamp adjustment ring by means of the M6 N push adjustment ring on the punch chuck screw Er 4 Ge and align the punch in the adjustment appliance only forming tools see point 14 1 push polyurethane stripper PU on the Threaded pin gt Adjustment punching ring with projecting PU cutting edge min 1 mm collar MattenstraBe 1 infoak boschert de Tel 49 0 7621 95 93 0 79541 Lorrach Hauingen www boschert de Fax 49 0 7621 55184 Changes reserved Version 04 2006 Special feature of the PU stripper b BOSCHERT Punches with of 1 5 to 30 mm size l Adjustment ring with collar push adjustment ring on the punch and align in the adjustment appliance only al forming tools clamp adjustment ring by means of the M6 screw push Polyurethane stripper PU on the Punch size punching needle until it reaches the collar of the punch chuck projecting PU cutting edge mind 1mm Adjustment ring without collar Punches with of 30 to 76 2 mm size Il and S punches with of 76 2 t
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