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1. w a a w y 6 a w2. CE 452 86O1 1900 1 TEL 052 408 1254 FAX 052 409 3766 SI 1MPa 10 197kgf cm2 1N m 0O 10197kgf m
3. OO015mm TIR A SRA M8 M10 Nem 29 4 57 9 EF 34 2 TAC 1
4. C1FB FLY
5. 40C 32mm sec ISO VG32 82 RO32 DIE 32 32 2
6. 11 3 8 O O 5MPa TOK St 200 300r min A
7. 1 1 1 C1FB C1FB 90 100 120 140 12 C1FB
8. 5 1 4 4 1 1 1
9. Table of Contents Precautions RO ie a rehahages Sra KC S OAA PT 1 For Safe Operation aah NA ia ata Fo vee ela 1 Safety Precautions 2 2 1 Construction and Operation 1 1 Model Coding mia aca a a SE Stale de aa ea sa lece a aa 4 1 2 Construction and Operation TERE ENEERURE CURE CECE IIEL ESTE 4 2 Specifications RN EOE RN I OE NR ERNIE ER Gree bene 5 3 Installation 3 1 Cylinder Adaptor ee 6 3 2 Connecting Pipe EL SALELE AELE ERE REE RAES AAE ERE ERER ERE TEE 7 3 3 Mounting and Anti rolling Guide ee 8 3 4 PD 9 3 5 Drain Port mae Sale E availa eum a a a Eaa bus apeaqe ecm cup r a aaia araa 9 3 6 Hydraulic Unit Hydraulic Oil Hydraulic Circuit 10 3 7 Stroke Control EE S EEE ERAL EEE YANES REENA IEEE AE E E AR 11 3 8 Trial Operation ee 12 4 Maintenance and Inspection 4 1 Check of Hydraulic Oil SECT ARR EER RE AAEE TE 13 42 Overhaul and Parts List DERG S A EEE ETERS TA S woe T 14 LIMITED WARRANTY ssononsnnnnsnnunnsosusuonnonononnnnasnsusnnnnan 15 Precautions This instruction manual describes model C1FB Rotating Hydraulic Cylinder Standard Model Please read this manual carefully and fully un
10. P1 P2 DR A s 20um 3 5 A OO15MPa s 1 7m 1 7m
11. 2 GE F E amp E G2 1 4 GDS 2 ISO VG32 WA 3OMPa 120 157 160 140 110 40 40 40 50 47 47 52 57 27 27 27 27 28 28 33 38 8 8 8 8 85 85 91 99 177 177 183 191 M3OX1 5 M3OX1 5 M3OX1 5 M40X1 5 30 30 30 35 25 25 25 35 36 36 36 46 18 18 18 18 Ms Ms 14 14 19 6 M4 10 2 M5 6 M5 9 6142 20 3 Re3 8 10 3 R
12. 1 2 A ae w OSMPa 0 5MPa 4 5MPa 3
13. E an 3 6 25L min 3 5MPa 40 6OL
14. JUJ O020mmT IIR 0 1mm m a C1FB 90 100 120 140 J1 39 44 M40 M1 MS3SOX 1 5 x15 M3 f7 25 35 3 3
15. KE gt iit OF gt MA Mls BLE NR PR W
16. 1 HHY s 4 2 gt l le P lt LU A 4 2 6OC 3 7
17. BS Ig F ie j oo ur
18. Ms M10 N m 29 4 57 9 1344 M3OX1 5 M40X1 5 Nm 12O 210 P1 P2 20m
19. Perry MIX 3 6 Hydraulic Unit Hydraulic Oil Hydraulic Circuit When providing a dedicated pump unit for the hydraulic unit determine the pump specifications by taking the cylinder size permissible oil pressure required gripping force etc into consideration Do not use a motor with too much power or a pump with excessive delivery capacity because the oil temperature will rise and this may cause problems The specifications of the pump unit for the rotating cylinder are as follows Delivery 25 L min Max pressure 3 5 MPa Tank capacity 40 60L If the hydraulic unit is located in a machine on which the chuck is mounted its circuit can be branched for chuck operation In this case a dedicated pressure reducing valve and pressure gage must be provided in the circuit of the rotating cylinder A CAUTION Keep the surge pressure low If the pressure of the hydraulic unit is adjusted using a pressure reducing valve with low response speed excessive surge pressure will be generated resulting in malfunction or damage to the rotating cylinder A CAUTION If the minimum discharge is less than the total amount of drainage and internal leakage it becomes impossible to maintain the internal pressure of the rotating cylinder Pay attention to this point when designing the hydra
20. D E F Q 14 13 H M J EF 15 K 16 AMOD BAODO 5 OOOOLOOUOE SNS A 2 O P80 JIS PSO JIS P110 WIS P130 WIS O G95 JIS G95 WIS G115 Is G135 Is PS 40 PS 50 PS 38 SER 40 SER 50 G25 G35 JIS UIS P8 JIS 9 P16 WIS O ASS68 O16 9
21. 3 1 As BS OOO5mm JW F7 Z 0 005
22. ROTATING HYDRAULIC CYLINDER C1FB INSTRUCTION MANUAL A A IMPORTANT Be sure to read this instruction manual thoroughly before operating the rotating cylinder Please save this manual When ownership of this product is transferred submit this manual to the new owner AIS AKT ETIL HOWA MACHINERY LTD 1 1 1 1 2 2 3 3 1 3 2 3 3 3 4 35 3 6 3 7 3 8 4 4 1 4 2 1 2 C1FB
23. 1 1 1 1 4 2 Ree Ons eG 25 O A B O O
24. 3 4 Piping Two hydraulic oil supply ports and one drain port are provided on the rotating cylinder distributor These ports are indicated by the marking provided next to the port The meaning of marked characters and the port type are shown below Hydraulic oil supply port Piston moves retract P2 Hydraulic oil supply port Piston moves extend DR Drain port Thoroughly remove any contaminant from the inside of the pipe before WARNING SR eee installing the hydraulic circuit Contamination may cause seizure of the rotating cylinder To maintain high performance of the rotating cylinder install a strainer with 20 um filterability or better in the pressure supplying line 3 5 Drain Port Each of models included in this manual has oil seals to avoid the leakage under the certain back pressure at the drain port A CAUTION Applying excessive back pressure to the drain port may cause the external leakage The maximum back pressure allowed to the drain port is 0 015 MPa The maximum height of the drain hose passage above the center line of the rotating cylinder should be less than 1 7 m Drain hose is tortured Never configure piping as shown below The hydraulic circuit of the other Return port and drain port The end of drain hose is sunk actuator is connected to the drain hose are connected in the tank of hydraulic unit Other actuator
25. F7 Z 0 005 AT 32 X BEE 1344 So M3OX1 5 M4OX1 5 Nm 120 210 4A
26. P9 JIS O S6O NOK Oo G6O WIS AC3527A1 NOK 6812 WIS 1 C1FB90 2 1 NINININI NKRN
27. Danger by discharge of workpiece Keep the hydraulic pressure constant while workpiece is gripped Danger by discharge of workpiece 4A WARNING Q Q a PR w Turn off the power before installation inspection and maintenance of the rotating cylinder Danger of entanglement with rotating section Cover the periphery of the rotating cylinder Danger of entanglement with rotating section Never open the spindle cover during spindle rotation Danger by discharge of parts in case of seizure of rotating cylinder Keep the speed of the rotating cylinder and the chuck below the upper limit Danger by machine damage or seizure Never shock Danger by machine damage or seizure oe Secure mounting bolts to specified torque o gt Danger by discharge of workpiece due to loosened or damaged bolts caused by not using specified tightening torque Bolt size and tightening torque Bolt size M10 Tightening torque N m Set hydraulic pressure to chuck specifications and keep it below the o gt upper limit Danger by damage of rotating cylinder or chuck caused by excessive hydraulic pressure lt Coat the threaded section of connecting pipe with adhesive and tighten gt it with the specified torque Danger by discharge of workpiece caused by shortened jaw stroke due to loose screw Adhesive Use ThreeBond 1344 or equivalent Tightening torque for connecting pipe Bolt size M30
28. Oil The bearing is cooled and lubricated with drain so that any special lubricating oil is not necessary as long as the hydraulic oil is clean Therefore for the sake of maintenance of this rotating cylinder it is most important to keep the hydraulic oil clean at all times Check the hydraulic oil in the following respects Remove of condensation When the temperature or humidity is high condensation may be accumulated on the bottom of the hydraulic unit tank Remove condensation once a week Cleaning of strainer Remove and clean the strainer of the hydraulic unit once a month by washing it in flushing oil and blowing compressed air through it from the inside Change of hydraulic oil Change the hydraulic oil once a year Preheating the oil helps when changing the oil Replace the old oil entirely with fresh oil If the old oil is extremely contaminated clean the interior of the tank with flushing oil before replacing it with fresh oil 4 2 Overhaul and Parts List The rotating cylinder will remain in excellent operating condition for many years as long as it is properly installed and the hydraulic oil is clean If failure should occur for any reason disassemble the rotating cylinder and replace defective parts if necessary A CAUTION Overhaul the seal and parts of the rotating cylinder in detail when the actuation of the piston reaches to every 250 000 strokes If the wear of the seal or damage of the part is found replace it
29. cylinder fails to operate correctly further raise the pre set pressure by 0 5 MPa each until it reaches 4 5 MPa while checking the cylinder operation When the cylinder operation is recovered bring the pre set pressure back to the original level 4 When the correct cylinder operation cannot be recovered even when the pre set pressure is brought up to the upper limit 4 5 MPa bring the pre set pressure back to the original level and turn off the power Then cool down the rotating cylinder to room temperature and repeat procedures 2 and 3 above 5 If the cylinder operation never recovers even after it is cooled the cylinder malfunction may be caused something other than the sealed pressure rising due to the check valve Loosen the draw screw of the chuck and take off the connection to check the cylinder operation Lowering the operating hydraulic pressure from the initial one may A CAUTION cause the malfunction of this cylinder This is caused by the reason that lower hydraulic pressure enclosed to the cylinder by the internal check valve cannot be released Therefore this phenomenon is not defective This phenomenon occurs when the lowered hydraulic pressure is one fifth or less to the initial one In the case of lowering the hydraulic pressure from the initial value activate the cylinder with intermediate hydraulic pressure and then lower to the target value 12 4 Maintenance and Inspection 4 1 Check of Hydraulic
30. surface of the connecting pipe to the piston rod should be within 0 020 mm T I R to prevent the excessive inclination of the connecting pipe To prevent the excessive inclination due to the dead weight or vibration of the connecting pipe attach a collar inside the spindle as close as possible to the chuck as shown below Spindle Connecting pipe Collar Piston rod joii E Connecting pipe Series C1FB 39 M30 X 1 5 25 3 3 Mounting and Anti rolling Guide What is most important in accomplishing the piping work is that the rotating cylinder must be protected from excessive stress A CAUTION The viscosity of the hydraulic oil will cause a slight amount of torque on the distributor when the rotating cylinder rotates If steel piping is used or the distributor is fixed to the lathe in order to compensate the reactive force caused by this torque excessive force will be applied to the rotating cylinder and will lead to problems Use flexible hose for the piping and use a fork with some margin as shown below for the anti rolling guide of the distributor The runout of the cylinder periphery should be 0 015 mm or less A WARNING Secure the mounting bolts Tightening torque N m There is a spot sinking by the side of the each mounting bolt hole Note that the other bolts are for assembling this rotating cylinder 0 015mm or less
31. them Disassembling procedure for rotating cylinder 1 Remove the mounting bolts and detach the cylinder A from the distributor shaft B 2 Extract the piston C 3 Remove the mounting bolts and detach the stopper D 4 With a gear remover or like tool attached to distributor E extract the distributor E with bearing F and oil seal G 5 Extract the bearing 14 and oil seal 13 6 Extract the collar H 7 Remove the plug I Note that the plug is secured with adhesive 8 Remove the hexagon socket plug J 9 Extract the check valve 15 and spacer K Note that the main body and the plunger of the check valve are separated 10 Remove the snap rings and detach the relief valves 16 13 OOU an re KA n RR Lt 0 2 DG xParts list Parts Name O ring P80 JIS P90 JIS P110 JIS P130 JIS O ring G95 JIS G95 JIS G115 JIS G135 JIS Rod packing PS 40 Sakagami Seisakusho PS 50 Sakagami Seisakusho Rod packing PS 38 Sakagami Seisakusho Rod wiper SER 40 Sakagami Seisakusho SER 50 Sakagami Seisakusho O ring G25 JIS G35 JIS O ring P8 JIS O ring P16 JIS O ring AS568 016 O ring P9 JIS O ring S60 NOK O ring G60 JIS Oil seal AC3527A1 NOK Ball bearing 6812 JIS Check valve Howa genu
32. ARNING Indicates a potentially hazardous situation which if not avoided could result in death or serious injury These warning massages include the preventive actions those are indispensable to avoid danger Indicates a potentially hazardous situation which if not avoided could result in minor injury or machine damage AQ CAUTION It is impossible to predict all hazardous situations that may occur during operation inspection and maintenance of the rotating cylinder under various circumstances Accordingly the warning messages described in this manual do not cover all hazardous situations Also there are too many operations that cannot or should not be performed using the rotating cylinder to be completely described in this manual We cannot assume any responsibility for damage or accidents caused through operation inspection or maintenance of the rotating cylinder that is not specified in this manual 1 Safety Precautions Read and understand the following precautions before using the rotating cylinder and observe them during operation A E l W D Never turn off the power of the hydraulic pump during spindle rotation Danger by discharge of workpiece Never operate the selector valve during spindle rotation Danger by discharge of workpiece Never enter the spindle cover during spindle rotation Danger of entanglement with rotating section Route solenoid valve so as to chuck even if the power is interrupted
33. X 1 5 M40 X1 5 Tightening torque N m 120 210 Attach a strainer in the hydraulic pressure supplying line Ports P1 and P2 w Danger by seizure caused by foreign matters included in the rotating cylinder Use a strainer with 20 um filterability or better Order all parts for this rotating cylinder from Howa machinery Ltd w Howa assumes no responsibility for accidents which occur when other than Howa genuine parts are used Any and all warranties are void unless only Howa genuine parts are used Use lifting belt when attaching or detaching rotating cylinder Danger by dropping of rotating cylinder from your hands Danger by an excessive stress causing your lumbar injury a Turn off the power source before supplying hydraulic oil Keep fire and flame away during supplying al Danger by flaming of hydraulic oil 1 Construction and Operation 1 1 Model Coding Model C1FB rotating hydraulic cylinder is model coded as follows C1FB Size 90 100 120 140 1 2 Construction and Operation The rotating hydraulic cylinder model C1FB is composed of the cylinder piston and distributor The piston travels axially back forth in the cylinder by the hydraulic oil supplied from the distributor The axial movement of the piston is transmitted to the chuck by the connecting pipe connected to the threaded section on the right end of the piston causing the jaws to grip and release the workpiece The distributo
34. derstand the procedures for installation operation inspection and maintenance before operating the rotating cylinder Ignoring any instructions in this manual may result in a serious accident or machine damage leading to injury to the operator or personnel near the machine Please save this manual and keep it handy at all times Please contact us phone and fax numbers are shown below for information regarding this manual and the objective product Another copy of this manual is also available from the following address HOWA MACHINERY LTD MACHINE TOOL ACCESSORIES TEAM SALES GROUP CREATIVE ENGINEERING DIVISION MACHINERY DEPT 1900 1 SUKAGUCHI KIYOSU AICHI 452 8601 JAPAN Phone International access code 81 52 408 1254 Facsimile International access code 81 52 409 3766 wo N gt ak 6 The values of this manual are described in SI unit system Values of former unit system can be obtained by following calculations Pressure 1MPa 10 197kgf cm Torque 1N m 0 10197kgf m For Safe Operation This manual contains warning messages for safe operation that are indicated by Safety Alert Symbols Carefully read and fully understand these messages The danger levels of the Safety Alert Symbols are defined below Indicates an imminently hazardous situation which if not avoided will result in death or serious injury These warning massages include the preventive actions those are indispensable to avoid danger 4A DANGER A W
35. ine part Relief valve Howa genuine part 1 C1FB90 use two parts and other sizes use one part 14 DODO ele selene LIMITED WARRANTY Seller warrants its products to be manufactured in accordance with published specifications and free from defects in material and or workmanship Seller at its option will repair or replace any products returned intact to the factory transportation charges prepaid which seller upon inspection shall determine to be defective in material and or workmanship The foregoing shall constitute the sole remedy for any breach of seller s warranty Seller makes no warranties either express or implied except as provided herein including without limitation thereof warranties as to marketability merchantability for a particular purpose or use or against infringement of any patent In no event shall seller be liable for any direct incidental or consequential damages of any nature or losses or expenses resulting from any defective product or the use of any product 20120607 15
36. r is composed of a distributor shaft that rotates with the cylinder and a distributor that does not rotate Oil that leaks between the distributor shaft and the distributor is used to cool and lubricate the bearings and is then collected via the drain port The quantity of oil that leaks from the drain port is regarded as the amount of drainage and the quantity of oil that flows directly from the port under pressure to another not under pressure is called the amount of internal leakage The total amount of drainage noted in the specifications is important for determining the necessary discharge of the hydraulic pump Model C1FB has a built in check valve to prevent a sudden drop in internal pressure if a problem occurs in the hydraulic system during spindle rotation The check valve is mounted in the distributor shaft so the internal pressure can be retained regardless of oil leakage from the drain port A relief valve is provided to prevent damage to the rotating cylinder due to the rising of pressure and excessive thrust caused by the thermal expansion of pressurized oil Distributor Distributor shaft Piston 2 Specifications Specifications Series number Specifications 90 Extend Retract Piston stroke mm Max speed r min Max pressure MPa Moment of inertia J Note 1 kg m Weight kg Total leakage Note 2 L min Effective piston area cm Note 1 The four
37. s and the hydraulic oil Keep the oil temperature below 60 C using a cooler 3 7 Stroke Control If the plunger stroke of the chuck is shorter than the piston stroke of the rotating cylinder the latter may be adjusted to the former Contact us before adjusting the stroke Do not limit the piston stroke using the taps at the back of the rotating cylinder These taps are furnished to attach the rotating union or bracket or cover and can not withstand the cylinder thrust These taps can not withstand the cylinder thrust 11 3 8 Trial Operation 1 Pour the hydraulic oil into the oil port to the upper limit of the oil level gage 2 Set the hydraulic pressure to 0 5MPa or less and check for abnormality in the rotating cylinder operation Then gradually raise the pressure to the maximum pressure while checking for oil leakage and abnormalities in each part 3 Rotate the spindle at 200 to 300 r min and gradually raise the speed while checking for vibration and abnormal sound in each part A WARNING lee not to approach or touch the rotating section during spindle 4 Since the check valve is provided the cylinder may become inoperative when the sealed pressure is raised In this case follow the procedures below 1 Stop the spindle 2 Raise the pre set pressure by 0 5 MPa and check the cylinder operation If the cylinder operates correctly bring the pre set pressure back to the original level 3 If the
38. stalled can be corrected Since the rotating cylinder has been accurately balanced balance the adaptor very carefully without affecting the rotating cylinder balance Cylinder adaptor Set screw 0 005 A Tolerance F7 Z 0 005 AF 3 2 Connecting Pipe The rotating cylinder output is transmitted to the chuck by via the connecting pipe causing the jaws to grip and release workpiece The connecting pipe is first screwed into the piston the rotating cylinder is installed and the chuck is connected to the connecting pipe The connecting pipe shall have enough bearing capacity to withstand the maximum thrust multiply the piston area by the maximum hydraulic pressure Completely decrease the piston and the threaded section of the WARNING i connecting pipe coat the threaded section of the connecting pipe with adhesive and tighten it to the specified torque Adhesive Use ThreeBond 1344 or equivalent Tightening torque for connecting pipe Bolt size M30X1 5 M40 X1 5 Tightening torque N m 120 210 Awrench flat is to be provided on the connecting pipe as close as possible to the piston rod A CAUTION Place a spanner on the wrench flat provided on the piston rod to withstand the fastening torque for connecting pipe Tightening the connecting pipe holding the cylinder may result in damage to internal parts due to fastening torque The runout of the tightening
39. times of this value is equivalent to GD Note 2 ISO VG32 Pressure 3 0MPa Oil temperature at the exit port 50 C e Dimensions 100 120 144 157 145 160 128 140 110 110 40 40 47 52 27 27 28 33 8 8 85 91 177 177 183 191 M30X1 5 M30X1 5 M30X1 5 M40X1 5 30 30 30 35 25 25 25 35 36 36 36 46 18 18 18 18 M8 M8 14 14 15 19 6 M4 Depth 10 20 N2 6 M5 Depth 9 3 Rc378 2 M5 Depth 10 7 14 3 G2 3 Installation The rear end of the spindle to which the rotating cylinder is attached has various configurations Here a typical rear end configuration is shown as an example 3 1 Cylinder Adaptor Determine the location for the rotating cylinder with interference with the lathe body direction and position of piping draft and other necessary factors taken into account Since the rotating cylinder is subjected to inertia force resulted from starting stopping and vibration of the spindle and cylinder output force the cylinder adaptor must be rigid enough to overcome these stresses A CAUTION Set the cylinder adaptor to the spindle so that the runout of the face and spigot is 0 005 mm or less Excessive runout will cause vibration Provide a set screw to secure the screw joint Fabricate the spigot with a dimensional tolerance of F7 so that the runout when the rotating cylinder is in
40. ulic circuit We recommend using hydraulic oil that has viscosity of 32mm sec at 40 C ISO VG32 equivalent with abrasion resistance as well as defoaming characteristics Inappropriate hydraulic oil may extremely shorten the product life Recommended oil types are Daphne Super Multi Oil 32 Diamond Lub RO 32 Mobil DTE Light Shell Tellus Oil 32 Esso Teresso 32 Turn off the power source before supplying hydraulic oil Keep fire and A CAUTION flame away during supplying The rotating cylinder has a built in check valve to prevent a sudden drop in the internal pressure when a problem occurs in the hydraulic system during spindle rotation To keep the check valve effective design the hydraulic circuit as shown below gt Rotating cylinder T X Hand valve Change over valve for griping of I D and O D gt le P lt 4 port 2 position change over valve Change over valve for piston movement direction 10 If the piston movement direction is changed with the 4 port 2 position solenoid valve design the hydraulic circuit so as to chuck even if the solenoid valve is demagnetized Ignoring this instruction may result in the malfunction of the check valve and danger caused by discharging of the workpiece Continuous high speed operation causes a considerable increase of the oil temperature resulting in rapid deterioration of the sealing material
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