Instruction manual ZCO 2410 Conical mandrel tester
Contents
1. O All maintenance and repair work which is not explicitly permitted and described in the present instruction manual shall only be carried out by Zehntner GmbH Testing Instruments or your authorized ZEHNTNER trader otherwise all the guarantee and liability claims will expire last update 29 12 2005 page 5 General ZCO 2410 Instruction manual version 2 6 3 Delivery of device 3 1 Damages during carriage During carriage the ZCO 2410 is to be handled with the usual care To ensure carriage without damages the device is to be transported in the original packaging and under normal freight conditions Pushes during carriage are to be avoided At the destination take out the device of the packaging and check immediately for any damages from the transport if there are any damages your authorized ZEHNTNER trader or Zehntner GmbH Testing Instruments directly should be informed immediately 3 2 Extent of delivery The following parts are included in the delivery e 1 ZCO 2410 Conical mandrel tester e 1 certificate of manufacturer 3 3 Optional accessories e Zehntner applicators e ZCO 2410 Conical mandrel tester with scale graduated in inches O Zehntner GmbH Testing Instruments refuses all warranty and liability claims for damages caused by usage of the ZCO 2410 in combination with non original accessories or accessories from 3 party suppliers page 6 last update 29 12 2005 version 2 6 ZCO 2410 Instruction manual 4 Outline of2. page 4 last update 29 12 2005 version 2 6 ZCO 2410 Instruction manual General 2 Safety notes 2 1 Dangers A Attention This note is included in this instruction manual wherever it is warned about dangers which will arise to life and limb of persons if the apparatus is handled improperly Observe these notes and be particularly careful in these cases Also inform other users on all safety notes Besides the notes in these instruction manual the generally applicable safety instructions and regulations for prevention of accidents have to be taken into account Caution This note comprises instructions to be observed in order to comply with guidelines instructions notes and the proper procedure of the work and to avoid damaging or destruction of the apparatus 2 2 Safety notes O The conical mandrel tester ZCO 2410 is exclusively intended for the determination of flexibility adhesion and elongation of paint applied to test panels Any other use is considered as being not in accordance with the intentions of the manufacturer For damages resulting thereof the manufacturer is not liable the risk for this is taken by the user alone O Reconstruction without permission and modifications of the ZCO 2410 are not permitted Please use only the accessories available together with the apparatus For damages resulting from the non observance of the safety notes the manufacturer is not liable the risk for this is taken by the user alone
3. of any type resulting from technical progress modified design or similar are reserved The operating instructions have been prepared with the greatest care Nevertheless errors cannot be completely excluded The manufacturer cannot be made liable for any errors in these operating instructions and possible damage resulting from these The manufacturer is always grateful for suggestions proposals for improvement and indications of errors Zehntner GmbH Testing Instruments last update 29 12 2005 page 3 General ZCO 2410 Instruction manual version 2 6 1 Description of device 1 1 Summary The ZCO 2410 Conical mandrel tester is used for the determination of the flexibility adhesion and elongation of a coating of paint varnish or related product and its resistance to cracking and or detachment from a substrate at bending stress Test panels will be bend over a cone through 180 and examined afterwards Application application areas e Laboratory test apparatus for the paint industry as well as the manufacturing industry e practically applicable to all single and multi coat systems on test panels e for quality control and experimental purposes In particular this apparatus has the following features e Safe and easy clamping of the test panels with only one screw for fastening e Big clamping range for test panels with thicknesses up to 4 mm e Robust design no corrosion e No maintenance necessary e Easy to handle
4. the instrument 4 1 Abridged survey 6 3 Key 1 Cone 2 Bending lever 3 Set screw for fastening 4 Clamping lever 5 Bending roll 6 Base plate 7 Scale last update 29 12 2005 page 7 ZCO 2410 Instruction manual version 2 6 5 1 Assembly Fasten the ZCO 2410 Conical mandrel tester with 4 screws M6 6 mm onto the bench 5 2 Bending procedure page 8 Unless otherwise specified prepare the test panels in accordance with DIN EN ISO 6860 Carry out the determination at least in triplicate for the bending test the ZCO 2410 Conical mandrel tester is to be mounted onto a bench Insert the test panel into the ZCO 2410 Conical mandrel tester for this the bending lever shall lie before the ZCO 2410 Conical mandrel tester the clamping lever shall be directed upwards a sheet of paper may be inserted over the coated surface between the test panel and the bending roll to prevent the coating being damaged by the bending roll during the bending operation the coated side shall be towards the bending roll the rolling direction of test panels made of aluminium shall be at an angle of 90 to the axis of the cone if applied by brushing any brush marks shall be at an angle of 90 to the axis of the cone the test panel shall fit at the end of the smaller diameter of the cone Greatest Y Test panel fits to the of the cone smallest Y of the cone Coated side Clamping leve
5. Zehntner GmbH Testing Instruments Gewerbestrasse 4 CH 4450 Sissach Switzerland Tel 41 0 61 953 05 50 Fax 41 0 61 953 05 51 zehntner zehntner com www zehntner com ZEHNTNER TESTING INSTRUMENTS Instruction manual version 2 6 from 29 12 2005 ZCO 2410 Conical mandrel tester last update 29 12 2005 page 1 ZCO 2410 Instruction manual version 2 6 Exclusion O Mal da 3 1 Description Of device sssini lcd lnea 4 E A iio 4 2 Safety NOTO S nain a a Aa a aee aAa aaa 5 A 5 Dies 2 MEMOS de atinada 5 Sx Delve OF AA IC 6 3 1 Damages during carriage tin ticas 6 327 Extent or Gelivery siess n a o a aa e e eNe 6 3 9 Opa A de 6 A Outline of the INsStUMeEN diia 7 4 1 Abridged SUIVO Y ascaoin a a T 7 O A laces eadicanede ieee alate belated 8 Sul A SSMO ansen aan aE a 8 5 2 Bending proced re aese nee e EE E E EA 8 5 3 Examination of the test plates oonccccconccccconnncononnncnnnnonononcnnnnannnnnnos 10 6 Maintenance and cleaning cccccccesssseesscessseeseceenseeseceeseeeseoensseessonens 10 6 1 Cleaning or the device al od e el 10 7 Technical Specifications csccccceesseesseseeeesseeseesseeeeeseeeeenseeeeeneesseeneesonas 11 GlOSSA Varna 12 page 2 last update 29 12 2005 version 2 6 ZCO 2410 Instruction manual General Exclusion of liability The figures and descriptions as well as the technical data correspond to the present operating instructions at the time of printing Changes
6. ical mandrel tester by a clean soft and dry towel Do not use cleaning agents for glass benzine acetone diluent for cellulose lacquers and strongly acidic or alkaline liquids page 10 last update 29 12 2005 version 2 6 ZCO 2410 Instruction manual Technical specification r Technical data Material Dimensions LxHxW Test panel Weight Standards Warranty last update 29 12 2005 Cone stainless steel Remaing parts chromium plated steel 324 mm x 140 mm x 10 mm Cone length 203 mm greatest Y 38 mm smallest 3 1 mm Length 200 mm at maximum Width 130 mm at maximum Thickness max 1 mm at steel max 2 mm at aluminium max 4 mm at materials with less bending stress than aluminium 10 7 kg ASTM D 522 DIN EN ISO 6860 2004 12 FTMS 141a Method 6222 Method 6223 2 years page 11 Glossary ZCO 2410 Instruction manual version 2 6 A H Abridged SUrVey conmmnnccccoccccccnnnnananananns 7 Handling ceia 8 ASSembly ssassssssssnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 8 M B Maintenance and cleaning 10 Bending procedure 8 Cleaning Of A VICC c ttre 10 Cleaning Optional accessories 00see 6 DEVICE esc hii tea ta ae tha 10 Outline of the instrument 7 D S Damages during carriage 6 Safety NOIES ui 5 Delivery Of device cccceceeeeeeeeeeees 6 Description Of device cceeeeeeeees 4 T F Technical data ooonnccccccncnanccc
7. nanccnnnns 11 Test panels Examination of the test panels ERRET 10 Clamping aan 9 Exclusion of liability 3 Examination his eases a att cadena beh 10 f ASC oeae A 8 Extent of deliVerY ooooommnnncnnnicccennnnonanas 6 F A A TO 4 page 12 last update 29 12 2005
8. r W directed upwards Tighten the set screw Bending lever in front of the unit last update 29 12 2005 version 2 6 ZCO 2410 Instruction manual e Clamp the test panel tightly tighten the set screw push the clamping lever downward check if the test panel is clamped tightly Clamping lever up Clamping lever Bending lever in pushed down front of the unit e Bend the test panel evenly and without jerking over the cone through 180 in a period of 2 to 3 seconds e Mark the end of the crack that is furthest from the small end of the cone e Read off the cone diameter at the end of the crack e Release the test panel from the ZCO 2410 Conical mandrel tester and examine it last update 29 12 2005 page 9 ZCO 2410 Instruction manual version 2 6 5 3 Examination of the test plates e Immediately examine the coating for cracking and or detachment from the substrate using a lens of x10 magnification and sufficient light or if agreed between the interested parties examine the coating visually e Measure the length of the crack along the panel from the small end of the cone to the marked end of the crack in centimetres e Calculate the mean value of the three determinations and report the result to the nearest centimetre e Calculate the elongation of the coating by using the cone diameter e Prepare a test report 6 Maintenance and cleaning 6 1 Cleaning of the device Clean the ZCO 2410 Con
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