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SPANNTOP [nova] – Trouble shooting

9.2 Trouble shooting table

Fault

Possible cause

Fault correction

Corrected by

Clamping head
cannot be
replaced

The change gap between
the clamping head
coupling and workpiece
end-stop is insufficient.

Rework the workpiece end-
stop

Specialist

Clamping
device does
not open or the
release stroke
is insufficient.

Fouling between the draw
mechanism and the
clamping unit

Remove the clamping head,
move the draw tube back
and clean the coupling area
[see section »Disassembling
the clamping head«].

Specialist

Dimensional deviation of
the draw tube adapter

Check the dimensions of the
draw tube adapter and
correct them if necessary.

Specialist

Clamping force
is too low

Workpiece is under-di-
mensioned

Replace with a suitable
clamping head

Specialist

Insufficient hydraulic
pressure on the clamping
cylinder

Check the machine-side
hydraulic aggregate

Hydraulic
specialist

Defective clamping
cylinder or blocked draw
tube

Contact the machine
manufacturer

Machine manufac-
turer

Compression springs
fatigued [at permanent
tension]

Replace compression
springs

Specialist

Eccentric
dimensional
deviation on
the workpiece

Concentricity error of the
clamping unit

Check the concentricity on
the clamping taper and
correct it if necessary
[see section »Checking and
adjusting the face run and
concentricity of the clamping
unit«].

Specialist

Dimensional
deviation on
the workpiece

Contaminated coupling
area

Clean the coupling area of
the clamping unit [see
section »Cleaning«].

Specialist

Contaminated clamping
taper

Remove the clamping head
and clean the clamping taper
[see section »Cleaning«].

Specialist

Order h49 7144.907-333

105

Содержание SPANNTOP NOVA

Страница 1: ...Installation manual SPANNTOP nova combi pull back combi deadlength modular...

Страница 2: ...tion limits 19 2 10 1 Nomenclature 20 2 10 2 First limit workpiece length 21 2 10 3 Second limit workpiece mass 21 2 10 4 Third limit clamping length 22 2 10 5 Fourth limit forces 23 2 10 6 Sample cal...

Страница 3: ...nd SPANNTOP nova combi pull back clamping devices 65 6 2 2 Preparing the SPANNTOP nova modular clamping device 66 6 3 Installation 67 6 3 1 Assembling the flange optional 69 6 3 2 Adjusting the concen...

Страница 4: ...bi pull back size 125 160 92 7 8 Disassembling the SPANNTOP nova modular clamping unit 95 7 9 Disassembling the spindle flange 96 7 10 Subsequent storage of the clamping device 97 7 11 Disposal 97 8 M...

Страница 5: ...are provided for a basic un derstanding and may deviate from the actual model of the clamping device It is assumed that the reader is familiar with standard procedures such as cleaning the mounting s...

Страница 6: ...lt in death or serious injury if it is not avoided WARNING indicates a possible dangerous situation that can result in death or serious injury if it is not avoided CAUTION indicates a possible dangero...

Страница 7: ...ns provided in this manual in the case of special versions if supplemental order options are desired or on the basis of the latest technical changes The agreed obligations in the delivery contract the...

Страница 8: ...ly for internal purposes Delivery of the operating manual to third parties dupli cation in any form including excerpts as well as ex ploitation and or communication of the content are not permitted ex...

Страница 9: ...se manufacturer s original spare parts Only purchase spare parts from authorized dealers or direct from the manufacturer Addresses are in the ap pendix 1 10 Warranty terms The warranty terms are inclu...

Страница 10: ...vironmental protection guidelines as well as the machines manual must be adhered to and com plied with for the area of implementation of the devi ce Note in particular that the status scans of the mac...

Страница 11: ...serious injury or material damage Only have activities performed by personnel who are qualified to perform these activities The following qualifications are cited in the operating manual for the vari...

Страница 12: ...according to CE compliant Within the machine tool the clamping device is designed exclusively as a through bore chuck for bar work and or as an end stop chuck for chuck work The clamping device shoul...

Страница 13: ...machining If the clamping device is used for machines or tools for which it is not intended 2 4 Personal protective equipment Wearing of personal protective equipment is required to minimize health h...

Страница 14: ...Schutz der Haare vor Erfassung durch die rotie renden Teile der Maschine 2 5 Special dangers In the following section residual risks are cited that occur due to installation of the clamping device in...

Страница 15: ...ifting gear in projecting com ponents Only use approved hoists and sling gear with sufficient bearing capacity Do not use rope and belts that are torn or frayed Moving parts WARNING Danger of injury d...

Страница 16: ...parts WARNING Danger of injury due to missing changing parts When operating the clamping device without changing parts clamping heads work piece end stops there is a higher danger of crushing injurie...

Страница 17: ...make sure the machine spindle cannot be put in motion Fig 1 CAUTION Risk of injury through slots and or holes The clamping device can be provided with lar ge slots and or holes e g chips drain holes...

Страница 18: ...maged WARNING Damage of clamping device The clamping device may be released exclusi vely in the non rotating condition 2 7 Clamping force The achieved clamping force can vary due to the main tenance c...

Страница 19: ...ed tightening tor que and locked medium strength bonding in the factory and should only be unscrewed af ter consultation with the manufacturer If in doubt you must contact the manufacturer im mediatel...

Страница 20: ...verse force Frad N Radial clamping force Fraderf N Required radial clamping force Fsk N Clamping force for preventing the workpiece from levering out Fsz N Clamping force for location of the machining...

Страница 21: ...of friction in the radial direction The following sketch is provided for graphic illustrati on of the forces and torques used below in the calcu lating examples FG N workpiece mass kg x 9 81 m s2 Fig...

Страница 22: ...ny undercut at the clamping head has to be consi dered when determining the clamping length General Lsp 0 08 dsp Fig 3 Moreover the following also applies Lsp 2 8 mm Use of clamping heads with smooth...

Страница 23: ...ques can be applied through the clamping device 2 the clamping device is damaged visibly or in a manner that is not apparent through the external forces The forces and moments acting on the clamping e...

Страница 24: ...neous processing e g through multi ple tools or turrets must also be mathematically over laid i e the required radial clamping forces of the indi vidual machining procedures must be added However axia...

Страница 25: ...ce spread factor S verified 5 32 1 0 2 8 6 1 3 42 1 0 2 0 6 1 3 52 1 0 2 0 6 1 3 65 1 0 1 6 6 1 3 80 1 0 1 6 6 1 3 100 1 5 1 45 1 3 125 2 5 1 45 1 3 140 1 5 1 45 1 3 160 1 5 1 45 1 3 Table 2 Spread of...

Страница 26: ...3 1 2 Clamping head with longitudinal or transverse serration Dry 1 1 1 0 Wet or MMS 7 1 3 1 2 Clamping head with Z serration or F serration Dry 1 0 1 0 Wet or MMS 7 1 2 1 1 Table 3 Contact factor Spe...

Страница 27: ...oy tool steels unhardened C105W1 1 1545 3100 2100 1690 Machining steels 35S20 1 0726 60S20 1 0728 1700 1480 1400 Stainless steels 3600 2450 2100 Hardened steels 4800 Aluminum wrought alloy 16 Si 1340...

Страница 28: ...ping head designs can be damaged and lose their capacity of achieving higher co efficients of friction with soft materials Workpiece surface Jaw clamping surface Smooth clamping head Clamping head wit...

Страница 29: ...d segments to the axis of rotation m S c kc a t rs m From table 2 From table 3 From table 4 From table 5 From table 6 I F raderf S c 1 6 F s z F s k F fz The factor 1 6 takes possible fluctuations in...

Страница 30: ...xecuted in this manner For clamping and machining of workpieces with grea ter concentricity errors and face runout note that the clamping cross section fluctuates significantly The re sulting punctifo...

Страница 31: ...um permissible tailstock force 2 10 5 3 For principle 3 Fc Fc max The cutting force for turning operations can take on extremely high values particularly with short projecti on lengths of the workpiec...

Страница 32: ...1520N 2 10 5 4 For principle 4 Fq Fq max For drilling tasks radial to the workpiece axis due to the feed force of the tool transverse forces occurs that ultimately act on the chuck This load when dri...

Страница 33: ...120mm 150mm 2200N 1760N 2 10 5 5 For principle 5 Mq Mq max For drilling tasks radial to the workpiece axis the transverse force verified under principle 4 generates an additional torque Mq on the cla...

Страница 34: ...32 L 150mm 120mm 150mm 120Nm 96Nm 2 10 6 Sample calculation Applied to a specific example Longitudinal turning of an offset shaft of 16MnCr5 pre machined clamping diameter without tailstock support in...

Страница 35: ...mm is more than satisfied with clamping length 20 mm 3 mm ex tension length 17 mm To verify the fourth condition first it is necessary in accordance with principle 1 to determine the required radial...

Страница 36: ...ngitudinal workpiece axis LSP 17mm corresponds to the full clamping length minus the extension length of the clam ping head p d z 2 57 2 28 5 because of longitudinal turning operation F fz m rs q n 30...

Страница 37: ...minal 105 kN is applied radially on the workpiece This satisfies the condition Frad Fraderf Thus the machining can be executed It must be ensured that the chuck is in good condition relative to degre...

Страница 38: ...nto the environment initiate suitable measures immediately If in doubt notify the responsible municipal authority about the damage The following environmentally harmful substances are used Lubricants...

Страница 39: ...5 70 16 Combi deadlengt 4 32 3 2 5 10 5 5 4 5 162 x 100 5 KK4 KK5 KK6 IP 110 IP 130 IP 140 8000 25 70 Modular 4 32 3 2 5 12 5 6 6 5 106 x 77 KK4 KK5 KK6 IP 115 8000 25 70 42 Combi pull back 4 42 2 5 2...

Страница 40: ...t 3 52 2 5 2 13 5 8 162 x 101 5 KK4 KK5 KK6 IP 100 IP 120 IP 140 IP 170 7000 40 94 Modular 3 52 2 5 2 11 5 5 5 5 131 x 83 5 KK5 KK6 IP 115 IP 120 IP 140 7000 40 94 65 Combi pull back 4 65 2 5 2 13 4 5...

Страница 41: ...115 18 Combi deadlengt 4 80 2 5 2 20 7 13 179 x 120 5 KK5 KK6 KK8 KK11 IP 140 IP 170 IP 220 5500 50 115 Modular 4 80 2 5 2 14 6 8 165 x 102 KK6 KK8 KK11 IP 140 IP 170 IP 220 5500 50 115 100 Combi pull...

Страница 42: ...54 x 148 KK6 KK8 KK11 3200 70 165 Modular 16 120 3 3 38 15 23 154 x 148 KK8 KK11 3200 70 165 125 Combi pull back 25 125 6 5 62 25 37 264 x 154 KK6 KK8 IP 220 3200 70 165 19 Combi deadlengt 25 125 6 5...

Страница 43: ...tted area Un der optimal conditions the values for Frad are below the top in bad conditions above the lower limit If the measured clamping forces are outside the allowed range the maintenance is man d...

Страница 44: ...SPANNTOP nova Technical data 3 2 1 Clamping force diagram size 32 Fig 5 44 Order hotline 49 7144 907 333...

Страница 45: ...SPANNTOP nova Technical data 3 2 2 Clamping force diagram size 42 52 Fig 6 Order hotline 49 7144 907 333 45...

Страница 46: ...SPANNTOP nova Technical data 3 2 3 Clamping force diagram size 65 80 Fig 7 46 Order hotline 49 7144 907 333...

Страница 47: ...SPANNTOP nova Technical data 3 2 4 Clamping force diagram size 100 125 Fig 8 Order hotline 49 7144 907 333 47...

Страница 48: ...SPANNTOP nova Technical data 3 2 5 Clamping force diagram size 140 160 Fig 9 48 Order hotline 49 7144 907 333...

Страница 49: ...ree severe damage extending to total damage can occur Only assemble clamping devices and adap ters in machines with the same power speci fications Information on maximum clamping force and drawtu be f...

Страница 50: ...ova combi pull back 3 x Fig 11 1 Clamping unit 2 Cylindrical screw coupling 3 Cylindrical screw clamping unit 4 Clamping head optional 5 Clamping screw clamping head 6 Coupling 7 Spindle flange 8 Clam...

Страница 51: ...ulled firm ly onto the fixed end stop The rigidity of the entire clamping device thus achieved makes it possible to also provide stable clamping for workpieces with an extremely short clamping length...

Страница 52: ...g 12 12 xx 1 Clamping unit 2 Cylindrical screw clamping unit 3 Lubricating nipple 4 Clamping head optional 5 Locating pin 6 Guard bushing 7 Centering disc 8 Spindle flange 9 Clamping screw 3 pc 10 Bas...

Страница 53: ...so can long workpieces that must be machined in sections and moved forward several times With the SPANNTOP nova combi deadlength clam ping device you can grip without axial stress on the workpiece Th...

Страница 54: ...ef description of the SPANNTOP nova modular 14 x Fig 13 15 xx 1 Clamping element reception 2 Clamping screw 3 pc 3 Clamping head optional 4 Clamping screw clamping head 5 Spindle flange 6 SPANNTOP cou...

Страница 55: ...device Trouble free and precise function of HAINBUCH clamping devices is only ensured when using original HAINBUCH segmented clamping bushings Lubricating grease and grease gun are required for clean...

Страница 56: ...es and with diffe rent profiles and bores 4 4 4 Changing fixture Fig 18 Manual changing fixture The pins of the changing fixture are inserted in the matching holes in the clamping head The changing fi...

Страница 57: ...the drawtube adapter of the clamping device and depending on the machine type can be designed in various forms 4 4 7 Reducing coupling Fig 22 A reducing coupling is available for reduction of a SPANN...

Страница 58: ...piece end stop wide bridging area by vulcanized clamping ele ments The MANDO Adapt can be ordered at HAINBUCH For using the MANDO Adapt T211 RD an additional adaptation ring is required 4 4 10 Jaw mod...

Страница 59: ...magnet module is used the SPANNTOP chuck Key advantages Only for ferromagnetic materials Very good runout characteristics Deadlength clamping Rotating and stationary use Manually operated Very short...

Страница 60: ...ok in such a manner that it is located above the center of gravity Carefully lift and see if the load tilts If ne cessary change the attachment Transport For transport always use a suitable clamping m...

Страница 61: ...for gi ving notice of lack of conformity 5 4 Unpacking and inner company transportation 8 x From about weight 15 kg there are threaded holes in the circumference of the clamping de vice Lifting eye b...

Страница 62: ...d other damage until installation Therefore do not destroy the packa ging remove it just before installation The packed goods are sealed in foil airtight and packed in cartons See the Technical Data s...

Страница 63: ...humidity max 60 For storage periods longer than 3 months Check the general condition of all parts and the packaging at regular intervals Touch up or re apply anti corrosion agents as needed Subsequen...

Страница 64: ...and also the mating surfaces see Mainte nance The ex works wetting of the plate surfaces and the clamping element is only corrosion protection It s not functionally lubricated The insertion of lubrica...

Страница 65: ...ked into a crane WARNING Danger of injury due to falling components When mounting components can fall and cau se severe injury and material damage Two people are always required for this task Use a cr...

Страница 66: ...eight 15 kg Fig 31 1 Loosen all cylindrical screws 1 in the clamping device element reception 3 with an allen wrench 2 and remove them completely Fig 32 2 Lift the clamping element reception 1 off of...

Страница 67: ...from the interior of the machine Prior to switching on automatic mode close all protective doors or hoods that are present on the machine tool WARNING Risk of injury By operating the clamping device...

Страница 68: ...nance and service CAUTION Risk of injury If the axial actuating force is too low clamped workpiece may be thrown out If the axial actuating force is too high severe damages of the components of the cl...

Страница 69: ...drical screws in the flange can cause signifi cant material damage on the clamping device and on the machine Only tighten the cylindrical screws of the spindle with the torque prescribed by the spindl...

Страница 70: ...e run and concentricity workpieces can be damaged during proces sing After each mounting check and if necessary readjust the face run and concentricity of the clamping device Auxiliary material requir...

Страница 71: ...netic base of the dial indicator on the inside of the machine Fig 38 2 Place the dial indicator for concentricity on the insi de edge of the spindle flange and check the con centricity 0 005 mm Fig 39...

Страница 72: ...dle Bending into the machine work are when as sembling overhead can cause severe head in juries Secure components prior to overhead as sembly For assembly on a vertically suspended spindle always use...

Страница 73: ...re ception and the threaded bores of the spindle flange should now be aligned as well Depending on the machine type it may be ne cessary to comply with a given screw in depth of the drawtube adapter...

Страница 74: ...and eye bolts from weight 15 kg Fig 45 1 Put the machine tool in set up mode 2 Remove all tools from the interior of the machine 3 Set the axial clamping force of the machine tool on the lowest setti...

Страница 75: ...wtube of the machine tool Fig 48 8 Insert wrench if necessary through the assembly plate into the clamping unit so that the wrench engages in the grooves of the adapter 9 Use the wrench to screw the a...

Страница 76: ...e Through this gap there is a higher risk of crus hing that can lead to severe injuries Never reach into the gap between spindle flange and clamping unit Fig 50 11 Carefully move the drawtube of the m...

Страница 77: ...ten the drawtube adapter with clam ping unit 8 Turn the coupling back until the coupling groove 2 is aligned flush with the 1 groove of the spind le flange Fig 53 Fig 54 9 Insert the torsional safety...

Страница 78: ...It may not always be avoided that in the as sembly of the clamping unit there is a gap bet ween spindle flange and clamping unit Therefor the reasons are the position of the drawtube as well as the re...

Страница 79: ...indicator on the inside of the machine 2 Place the dial indicator for face run on the front face of the spindle flange check the face run 0 005 mm 3 Adjust the clamping unit by using a plastic ham me...

Страница 80: ...pteX B capteX D The assembly of the clamping unit to one of the na med interfaces is described in the corresponding ma nual of the interface 6 3 9 SPANNTOP nova modular reduction of the size 3 x The S...

Страница 81: ...see section Disas sembling the base end stop 3 Screw the mounting bolt clockwise into the threa ded bore in the center of the base end stop Screw the mounting bolt into the base end stop so that the p...

Страница 82: ...ured Fig 66 6 Unscrew the mounting bolt counterclockwise and remove it completely 6 3 11 Assemble the clamping head For changing in the clamping head move the coupling of the clamping device to front...

Страница 83: ...len wrench Fig 68 1 Put the workpiece end stop through the assemb led clamping head into the clamping device NOTE Material damage is possible if the moun ting screws are tightened too forcefully Tight...

Страница 84: ...4 Workpiece Fig 69 WARNING Risk of injury due to thrown out parts During clamping of the workpiece and the pro cessing parts can be thrown and cause severe injuries and property damage Check the clamp...

Страница 85: ...amaged complete and preci sely balanced clamping devices If in doubt contact the manufacturer Ensure the following points prior to each installation and start up of the clamping device All cylindrical...

Страница 86: ...oke position Gaps caused while controlling the stroke posi tion can cause severe injury Only do the controlling of the stroke position with assembled changing parts Only run the machine in set up mode...

Страница 87: ...ety Safeguarding against restart DANGER Life threatening danger if restarted without authorization When disassembling there is danger of the energy supply being switched on inadvertently This poses a...

Страница 88: ...suspended spindle always use a suitable mounting aid Transport For transport always use a suitable clamping means crane Make sure that a rolling falling of the clam ping device is not possible 7 2 Dis...

Страница 89: ...71 WARNING Danger of violent pressure to hands and fingers Before working at the installed clamping devi ce make sure that starting of the machine is impossible Only run the machine in set up mode or...

Страница 90: ...n Loosen the clamping screws by hand Do not unscrew beyond the resistance 3 Carefully loosen all clamping screws 1 with an al len wrench counterclockwise until resistance is tangible The base end stop...

Страница 91: ...in juries Secure components prior to overhead as sembly For assembly on a vertically suspended spindle always use a suitable mounting aid Fig 75 4 Vertically suspended disassembly Place the assembly p...

Страница 92: ...6 Lift the clamping unit with the drawtube adapter if necessary by using a crane out of the machine and place it safely 7 7 Disassembling the clamping unit SPANNTOP nova combi deadlength and SPANNTOP...

Страница 93: ...crew them from the clamping unit Fig 80 5 Vertically suspended disassembly Place the assembly plate illustration is symbolic on the tool turret In jog mode move the spindle slowly and care fully downw...

Страница 94: ...clamping unit off of the assembly plate and set it down at a safe place Remove the assembly plate from the tool turret Fig 83 9 Horizontal or vertical standing disassembly Use a crane to take the clam...

Страница 95: ...on Unpacking and inner company transport 3 Loosen all cylindrical screws 1 with an allen wrench and unscrew them from the clamping unit Fig 85 4 Move the drawtube of the machine tool into the front st...

Страница 96: ...ransport 2 Loosen all cylindrical screws 1 with a torque wrench 2 in a cross pattern 3 Remove all cylindrical screws from the spindle flange Fig 88 4 Take the spindle flange 2 down from the machine sp...

Страница 97: ...am ping devices may contain residues of liquids Uncontrolled leakage of fluids can lead to se vere injuries Open the pressure relief screw and drain re maining liquid Discard the liquid NOTE Improper...

Страница 98: ...ditions for reaching the concentricity and perpendicularity tolerances Clean these surfaces with an appropriate cleaner WARNING Risk of injury Always comply with the safety data sheets and guidelines...

Страница 99: ...h Fig 89 1 Disassemble the clamping device see section Disassembling the clamping unit 2 Clean all the components listed below with clea ning agent and a cloth remove all oil and grease residues Spind...

Страница 100: ...mbi pull back variants re insert the clamping unit in the spindle flange 6 For the SPANNTOP nova modular variant first insert the coupling with the torsional safety ele ment in the spindle flange and...

Страница 101: ...no dirt particles may be in the grease they cause run errors if they come in in between two mating surfaces We recommend for this the following lubricant HAINBUCH grease See optional Accessories Alte...

Страница 102: ...ance task Daily Visual inspection and complete cleaning in case of heavy contamination see section Cleaning Check the end position sensing of the machine regu larly Clamping force measurement Weekly C...

Страница 103: ...fied in Nm in the table Total friction coefficient tot 0 12 Diameter mm mm Torque for screw quality 10 9 Nm M 4 7 3 4 M 5 8 4 7 M 6 10 5 12 M 8 13 6 25 M 10 17 8 50 M 12 19 10 100 M 16 24 14 220 M 20...

Страница 104: ...nger for personnel and or property immediately execute the emergen cy stop function of the machine 2 Determine the cause of the fault 3 If correction of the fault requires work in the dan ger zone put...

Страница 105: ...ed Replace with a suitable clamping head Specialist Insufficient hydraulic pressure on the clamping cylinder Check the machine side hydraulic aggregate Hydraulic specialist Defective clamping cylinder...

Страница 106: ...clamping Replace with a clamping head that has a smoother clamping surface Specialist Wrong clamping head type Replace the clamping head Specialist Excessive dimensional difference between the workpi...

Страница 107: ...ent status of your order Just call 49 7144 907 222 24h emergency call Has there been a crash or other technical emergency Our experts are at your service around the clock 49 7144 907 444 10 2 Represen...

Страница 108: ...dangers 14 Description of variants 5 Disassembly Clamping device from interface 90 Clamping head 89 SPANNTOP nova combi deadlength size 125 160 92 SPANNTOP nova combi deadlength size 32 120 91 SPANNT...

Страница 109: ...elivery 8 Spare parts 9 Storing 63 Structure 50 Symbols on the packaging 60 T Transport inspection 61 Transport inner company 61 Trouble shooting 104 Trouble shooting table 105 Type designation 49 U U...

Страница 110: ...SPANNTOP nova Appendix 110 Order hotline 49 7144 907 333...

Страница 111: ...es with national and european standards DIN EN 1550 1997 Sicherheitsanforderungen f r die Gestaltung und Konstruktion von Spannfuttern f r die Werkst ck aufnahme Safety requirements for the design and...

Страница 112: ...ox 1262 71667 Marbach Erdmannhauser Strasse 57 71672 Marbach Germany Phone 49 7144 907 0 Fax 49 7144 18826 sales hainbuch de www hainbuch com 24h Emergency call 49 7144 907 444 03 2018 Part no 80001 0...

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