Operating Instructions Precision Collet Chuck - Emuge
Contents
1. AMUGE Operating Instructions FRANKEN Operating Instructions Precision Collet Chuck lt us 1 Product features e low concentricity and repeatable accuracy 3um checked at a distance 3x diameter or at a maximum of 50 mm from the face of chuck e radial clamping of entire tool shank leads to remarkable runout e bridging of shanks with tolerance H10 without loss of accuracy e clamping force several times higher as with conventional collet chucks or hydraulic chucks by our new wedge clamping mechanism as well as quick and easy cutting tool change on the machine e designed for HSC and conventional applications e for drilling milling tapping and reaming e taps can be clamped in standard collets 2 Executions The Gus chuck is deliverable in different executions Steep taper DIN69871 HSK MAS BT CAT and on customers request 3 General hints and cleanness for use of a Gus chuck In order to guarantee faultless function of the chuck and the 3um runout original FAHRION collets type HP produced to DIN 6499 must be used Collet Chuck Collet Clamping Sleeve at thread and all cylindrical and conic parts must always be clean and free of chips and dirt The chucks are generally intended for the acceptance of interchangeable seals The HP collets are supplied with fitting seals We recommend to use the seals always as they protect possible entry of dirt and chips into the chuck The clamping sleeve and the seals must be check2. ed before inserting and be cleaned if necessary 4 Design Differential screw with cross hole VILLA x ee JH al wll i YN MISTER Ejection sleeve AMUGE FRANKEN Operating Instructions 5 Tool check Check the runout of the tool shank to the cutting edge to ensure that the cutting tool is acceptable This can be done for example on a template or in a prism 6 Clamping of the tool e Screw in the differential screw with the Hexagon Tee key only possible on one side till it stops Then turn slightly back because if you open to much the chuck starts to clamp the tool e Put the seals into the clamping sleeve The vulcanised side must be in the direction of the collet e Insert the collet into the chuck Ly Ts Jj e Screw on the clamping sleeve into the clamping nut till it backstops Then insert the tool through the seal and collet till it backstops Ml SS i ddd SE 7 Tool length pre setting The tool pre setting is possible from the front by a screw driver adjustable length of the stop screw HP16 3mm HP25 5mm HP32 5mm HP40 5mm Page 2 AMUGE Operating Instructions FRANKEN 8 Clamping of the tool Please use a Hexagon Tee key for clamping and do not use a prolongation We even recommend to use a torque setting wrench not to overclamp the chuck Now clamp the diff
3. erential screw with the Hexagon Tee key or the torque setting wrench clockwise tight The tools are clamped with a multiple of your hand power Torque schedule for clamping a HP chuck type max clamping torque internal hex of the differential screw HP16 Hex 3 mm HP25 18Nm 13 ft Ib Hex 4 mm HP32 25Nm 18 ft Ib Hex 5mm HP40 45Nm_ 33 ft lb Hex 6 mm 9 Changing of the collet Take the Hexagon Tee key and turn the differential screw anti clockwise till the clamping wedge 2 threaded pieces is stopped by the backstop Then turn slightly back because if you open to much the chuck starts to clamp the tool Take out the tool screw out the clamping sleeve and then take out the collet and clean the cone For cleaning of the internal cone of the chuck screw out the clamping wedge so that the ejection sleeve will be draw back to the chuck clean the cone and screw in the differential screw again before clamping a new diameter very important Attention Before clamping a new collet please take care for items 3 and 5 and use always an original FAHRION HP collet 10 Changing of the tool After using the chuck there are normally chips and dirt at the seals When changing the tools these parts can enter into the chuck The runout can be influenced then We recommend to remove always the tool the collet and the clamping sleeve from the chuck when replacing a tool and to clean everything 11 Attendance It is very important tha
4. he stop always use new original an old and wearied collet is used FAHRION HP collets bearing in the pre setter resp in the runout check machine is not collet does not clamp on the whole length bearing problem in the machine runout is not o k after automatic internal cone of the machine is tool change wearied out or there is dirt chips automatic tool changer IS not clamp chuck by hand to check aligning to the machine spindle wrong seal is inserted shank o k is smaller than the to be replace seal coolant is spouting through the sealed clamping sleeve aggressive coolant replace seal tool is inserted with the edge raplace seal through the seal P coolant bores in the chuck resp clean the coolant bores with a no coolant comes through the in the stop are resinified or the Ae eae cleaning medium not acidic tool coolant supply of the machine is ppn because of the rust resinified FRANKEN GmbH amp Co KG Fabrik fiir Prazisionswerkzeuge FrankenstraRe 7 9a 90607 Ruckersdorf GERMANY Telefon 09 11 95 75 5 Telefax 09 11 95 75 info emuge franken de www emuge franken de www frankentechnik de Page 4
5. t the clamping wedges are running easy The more difficult it is to move these parts the less is the clamping force In this case it is necessary to grease the parts To do this the clamping sleeve has to be removed and the clamping wedges have to be turned out Grease now the visible threads of the clamping wedges We recommend Altemp Q NB50 from Kluber 12 Safety Be aware of the safety instructions of the machine or other tools used Never work with open machine door especially at high speed or use of HSK tapers can lead a break and or a crash of the HSK tool clamping acceptance and or the cutting tool to serious injuries Page 3 ZB20004 GB 1H 102006 EF Rev B AMUGE FRANKEN Operating Instructions 13 How to solve possible faults fault cause elimination the new chuck must be seated before checking runout clamp 2 with the collet to 3x the tool and first then check dirt or chips are in chuck clamping sleeve clamping nut or at the tool shank please clean every parts acc to item 3 and 5 very intensively differential screw is clamped too clamp the differential screw as strong use of a prolongation suggested in item 8 but first and results in a deformation of check the runout of the internal the chuck cone of the chuck runout not o k cutting tool itself has a bad runout for example long drills check tool acc to item 5 tool shank to be inserted the whole length of the collet better till t
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