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ELECTRONIC GRIPPING FORCE
MEASURING DEVICES
E
NGLISH
Page 1: ...O O P P E E R R A A T T I I N N G G I I N N S S T T R R U U C C T T I I O O N N S S S SK KM M 1 12 20 00 0 S SK KM M 1 15 50 00 0 ELECTRONIC GRIPPING FORCE MEASURING DEVICES ENGLISH...
Page 2: ...tributed to other parties or used for competitive aims without prior written authorisation from FORKARDT GMBH Furthermore FORKARDT accepts no liability for the inaccuracy or incompleteness of this man...
Page 3: ...peration 8 3 3 Technical details 11 3 4 Accessories 12 4 0 Working with the gripping force meter 13 4 1 Preparation of the power chuck and machine 13 4 2 Preparation of the gripping force meter 13 4 3...
Page 4: ...rful chucks produce the high gripping forces neces sary to transmit the power to the work piece maximising the accuracy and high machin ing speeds offered by the machine However it should be noted tha...
Page 5: ...sonnel within the meaning of the safety instructions given in this manual are persons who have been instructed in the handling of chucking workholding equipment and who are familiar with the contents...
Page 6: ...ow the minimum required for machining the stability of the workpiece in the jaws can no longer be guaranteed The result of this is often unclean machining inaccu rately machined workpieces and tool br...
Page 7: ...een recommended or permitted by FORKARDT The FORKARDT SKM meters are exclusively for testing stationary gripping force on non rotating chucks workholding equipment i e spindle speed 0 r p m The spindl...
Page 8: ...which is then dis played is the decisive factor for deciding whether the workpiece can safely be held The last settings remain stored in the meter when it is switched off Upon switching it back on wo...
Page 9: ...s each time this key is pressed The chosen number of jaws is shown in the top right corner of the display It can be changed between 2 3 and 6 jaws The reading eventually displayed is the actual measur...
Page 10: ...cally adjusted when the meter is switched on Note Following such an instance if in doubt the meter should be returned to FORKARDT for servicing If the zero point has been displaced more than once by p...
Page 11: ...value memory Unit scales t kN k lbs Number of jaws 2 3 6 Battery rechargeable with mains adapter 230 VAC 50 Hz Operating time 10 hours from a full charge Recharging time 8 hours with unit switched of...
Page 12: ...ompression bolt 40 164814026 Compression bolt 60 164809027 Compression bolt 80 164814027 Compression bolt 160 164814028 2 Spanners gauge 12 2 Spanners gauge 22 Carry case mains adapter Carry case main...
Page 13: ...s tool holders loading devices chip conveyors protection devices etc for example through unex pected movements or protrusions into the working area and other re strictions of the Operator s movements...
Page 14: ...eds greater than 30 of maximum permitted spindle speed the gripping force of many chucks is reduced significantly by the effect of centrifugal forces on the jaws The full gripping force registered und...
Page 15: ...Where Ma represents the total moment of the top jaws and is calculated as follows Total moment of top jaws Ma Dsp Y G i AB 2 1000 The value for dynamic gripping force Fsp must be calculated for each...
Page 16: ...kgm 0 065 0 09 0 18 0 187 0 33 0 33 0 73 0 73 1 66 2 80 c KT chuck diameter mm KTN KTG 160 200 250 315 400 500 630 C 1 mm 2 3 4 KTN KTG 516 634 909 1075 1777 2547 3130 C 2 mm 2 3 4 KTN KTG 235 308 424...
Page 17: ...spo n 0 and how high is the gripping force at spindle speed n 3000 rpm Dsp 160 mm Yab 18 12 mm Jaw weight G 1 416 kg per jaw Radius of centre of gravity of top jaws Ra Ra Dsp Yab mm 2 160 2 18 12 96 1...
Page 18: ...s overloading a further overload of less than 120 may lead to the display being shut off Again this is shown by the flashing sign The gripping force meter automatically carries out an adjustment of th...
Page 19: ...Notes 1 19...
Page 20: ...RKARDT INDIA LLP Plot No 39 D No 5 5 35 Ayyanna Ind Park IE Prasanthnagar Kukatpally Hyderabad 500 072 India Phone 91 40 400 20571 Fax 91 40 400 20576 Email info forkardtindia com FORKARDT FRANCE S A...
