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Contents
1.2. 44 s 3 5
3. 1344 M20 M24 Nim 117 209 P1 P2 20Am
4. 25L min 3 5MPa 40 6OL 44 44
5. OO015mm TIR M8 Nem 29 4 0 0 01 5 1 2mm 1 1 2mm 1 2mm 11 3 4 2 1 C1SB
6. WORE CHAS CRM MOE Table of Contents Precautions RD A EA ED ET SES NIG SAE lS AS SS EA Ss 1 For Safe Operation ee 1 Safety Precautions 2 CE Marking ee 5 1 Construction and Operation 1 1 Model Coding Ce Swe EE EE eS ge a ely OS eae SR 6 1 2 Construction and Operation cccc ttt ee 6 2 Specifications ooo 7 3 Installation 3 1 Cylinder Adaptor PE Soe Re aa E Sp Sa a Wee EE E 9 3 2 Connecting Rod E ee aR ae Roe NSIS whe le ES 10 3 3 Mounting and Anti rolling Guide seers 11 3 4 Piping Go ie AMO ER OE ES AE I LES Gy ic RIT ca a 12 3 5 Hydra
7. P1 C1SB RJDR C1SB aa sat sat sat 20m 0015MPa
8. 1 7m ISO VG32 05 1cm Bat ED EE str a lt 3 NN k gt y _ my iy A 3 gt ey oes ee gt SO VG32 0 5 1cm3 h lt n AIE C1SB
9. C1SA
10. Sa 3 7 3 8 O O 5MPa St 200 300r min
11. TOBE Ws ell a W K RJ C1SB CE ISO FDIS 16156
12. OLVE Sa XO 1 2mm_ 1 2mm SIPPO E Is ul Fork 11 3 4 Piping Two hydraulic oil supply ports and one drain port are provided on the rotating cylinder distributor A coolant supply port and its drain port are also provided on model C1SB These ports are indicated by the marking provided next to the port The meaning of marked characters and the port type are shown below P1 Hydraulic oil supply port Piston moves retract P2 Hydraulic oil supply port Piston moves extend DR Drain port RJ Coolant supply port Model C1SB only RJDR Coolant drain port Model C1SB only Thoroughly remove any contaminant from the inside of the pipe before installing the hydraulic circuit Contamination may cause seizure of the rotating cylinder To maintain high performance of the rotating cylinder 4A WARNING install a strainer with 20 um filterability or better in the pressure supplying line Each of models included in this manual has oil seals to avoid the leakage under the certain back pressure at the drain port 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
13. A S 5 1 4 4 1
14. gt WW WW 2 WW gt ig OF x 0 X W PR w N m
15. Z A B 0 ax TN D
16. OO020mmT IIR 0 02 0DIK A i 4 a CER i P g x E E es aca 3 3
17. 40C 32mm2sec ISO VG32 32 RO32 DIE 32 32 2 1 HHY ss 4 2 gt le P lt 4
18. 1 2 WITH 3 3 1 3 2 3 3 3 4 C1S B 1 1 C1SA C1SB c s x T Taams 15 2O 25 20 25 95 115 125 135
19. C1SB C1SA95X15 Y J J amp oe Ww w Way Er a EE T D YIA C1SA 115X20 125X20 135X25 1 C1SB vus ei a pag He J j t oo ar seal Wt e L 2 C1SA C1SB 115 125 CISA GE 1 C1SB G
20. 2 3 4 5 452 86O1 1900 1 TEL 052 408 1254 FAX 052 409 3766 6 SI 1MPa 10 197kgf cm2 lt 1N m 0O 10197kgf m
21. SHORT TYPE ROTATING HYDRAULIC CYLINDER CISA C1SB INSTRUCTION MANUAL A A IMPORTANT Be sure to read this instruction manual thoroughly before operating the rotating Cylinder R DS ae NEA Please save this manual When ownership ee of this product is transferred submit this P manual to the new owner se RI FARTS at HOWA MACHINERY LTD MOE Sie eee SEH Mla sae Chl DIVO eR 1 1 1 1 2 2 3 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 4 4 1 4 2 1 CISA C1SB
22. KDOMRA 1 1 1 1 1 1 4 2 25
23. O A B C O D E 17 C1SB F C1SB FP 12 C1SB G O Shr Ota KL CBIR 15 16 C1SA95 C1SBS5 C1SB C1SA C1SB C1SA C1SB C1SA C1SB C1SA C1SB
24. F7 0 00 5 NA oa 0 00 5 E Ae FT 3 2 X Sk 13
25. A Sz 1 2 O5MPa EFT 3 OSMPa 4 5MPa 4 2 5
26. 5 Detach the mechanical seal 17 Model C1SB only The detached mechanical seal can not be reapplied It may cause the leakage 6 Extract the collar F using the pulling out taps Model C1SB only 7 Remove the oil seal 12 from the collar F Model C1SB only 8 Remove the snap ring and beat the distributor shaft G out softly 9 Remove the snap rings and detach the check valves 15 and relief valves 16 In case of model C1SA95 and C1SB95 can not disassemble them because they are incorporated in the piston 16 xParts list Parts Name O ring C1SA C1SB C1SA C1SB C1SA C1SB C1SA C1SB Q ty 95 115 125 135 P85 JIS P105 JIS P115 JIS P125 JIS C1SA O ring G90 JIS G110 JIS G120 JIS G130 JIS O ring P42 JIS U packing USH 53 NOK O ring P50 JIS U packing USH 53 NOK O ring P8 JIS O ring S29 S36 S36 NOK NOK NOK O ring P26 JIS O ring P9 JIS O ring AS568 016 O ring S18 NOK Oil seal AC1306E0 NOK Oil seal AE0984H0 AE0984H0 AE0984H0 NOK NOK NOK Ball bearing 6905ZZ CM JIS Ball bearing 6804 CM JIS Check valve Howa genuine part Relief valve Howa genuine part NINI eINININI Mechanical seal 17 LIMITED WARRANTY Seller warr
27. A w o co M6 M2 10 M3 G1 G3 3 3 1 OOO5mm 2
28. 95 115 125 135 C1SA Oo P85 WIS P105 WIS P115 WIs P125 WIS 1 522 G9O WIS G110 WIS G120 WIS G130 WIS O P42 JIS U ZE USH 53 NOK oO P50 JIS U USH 53 NOK O P8 lt a S36 Oo x NOK GA P26 JIS a Oo PO JIS O AS568 016 O S18 NOK AC1306EO NOK AEQ984HO AE0984H0 AE0984H0 NOK NOK 69052ZZ CM UIs 6804 CM UIs NN NININ
29. 115 125 135 1 2 C1SA C1SB C1SA MO
30. 2 GOC 3 6 O M12x1
31. 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 cause A CAUTION 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 15 4 Maintenance and Inspection 4 1 Check of Hydraulic 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 hydraul
32. being pinched a part of your body by moving parts 14 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 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 AA WARNING a 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 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
33. the excessive inclination due to the dead weight or vibration of the connecting rod attach a collar inside the spindle as close as possible to the chuck as shown below 0 020mm ress Connecting rod A BI Spindle Rotating cylinder ee N Piston rod pet a Wrench flat Ea CATH ace ai ee Bk 1 Hs Connecting rod E Wi Spanner 10 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 Bolt size and tightening torque Bolt size Tightening torque N m 0 015mm or less
34. 44 So M2O M24 Nm 117 209
35. E 1 AS fA RU YS GE2 C1SB 58 1 4 GD 2 ISO VG32 3 0MPa F oO 9 3 WA C1SA C1SB 115 125 A 95 115 125 135 B h7 145 145 168 168 C 127 158 180 184 D 130 128 145 150 E H8 16 16 16 16 F 42 42 53 53 aS Max 142 125 128 136 Min 127 105 108 111 m Max 27 44 39 49 Min 12 24 19 24 as Max 84 101 98 108 Min 69 81 78 83 M1 M20X25 M20X25 M20X25 M24x3 M2 30 30 30 35 M3 41 41 41 46 M4 36 36 45 45 M5 6 6 6 13 MG 18 18 18 18 N1 M8 M8 M10 M10 N2 11 12 16 16 C1SB 5 Rc1 4 6 N1 M5 M12X1 fy FA N2 6 N1 P1 P2 NN M1
36. age Note 2 Specifications of coolant connection model C1SB Fluid Compressed air or coolant Air Coolant Max pressure MPa Note 1 The four 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 C1SA C1SB 115 A I D 95 115 125 135 B h7 145 145 168 168 C 127 158 180 184 D 130 128 145 150 E H8 16 16 16 16 F 42 42 53 53 G1 Max 142 125 128 136 Min 127 105 108 111 G2 Max 27 44 39 49 Min 12 24 19 24 G3 Max 84 101 98 108 Min 69 81 78 83 M1 M20 X2 5 M20 X2 5 M20 X2 5 M24 X3 M2 30 30 30 35 M3 41 41 41 46 M4 36 36 45 45 M5 6 6 6 13 M6 18 18 18 18 N1 M8 M8 M10 M10 N2 11 12 16 16 C1SA C1SB Note The proximity switch is not attached Choose and attach the appropriate type N2 6 N1 Th _M4 B _M4 3 Installation The rear end of the spindle to which the rotating
37. alve for piston movement direction A DANGER 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 materials and the hydraulic oil Keep the oil temperature below 60 C using a cooler 3 6 Proximity Switch Setting In the model that the bracket is provided the proximity switches can be attached which detect the location of the piston The proximity switch and the bracket move axially when the piston moves and detect the location of the rim on the cylinder periphery The proximity switch is not attached Choose and attach the appropriate type The procedures for adjustment of the detecting position are as follows 1 Determine the clearance between the outer diameter of the dog and the proximity switch with the screw M12x1 of the proximity switch and secure it with the lock nut provided 2 Loosen the bolt that secures the switch base to the bracket and move it in the axial direction to determine the detecting position Then tighten the bolt Stop rotation before adjustment of proximity switches AX WARNING Be extremely careful to avoid
38. ance 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 4A DANGER 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 Danger by discharge of workpiece Keep the hydraulic pressure constant while workpiece is gripped Danger by discharge of workpiece 4A WARNING Sy D W PR Turn off the power before installation inspection and maintenance of the rotating cylinder x 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 2s Keep the speed of the rotating cylinder and the chuck below the upper limit W PR Danger by machine damage or seizure Never shock Danger by machine damage or seizure w Secure mounting bolts to specified torque Danger by discharge of workpiece due to loosened or damaged bolts caused by not using speci
39. ants 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 20061226 18
40. cribed 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 AQ DANGER AA WARNING 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 A CAUTION result in minor injury or machine damage 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 mainten
41. 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 Set the cylinder adaptor to the spindle so that the runout of the face and CAUTION ane Sia 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 installed can be corrected Since the rotating cylinder has been accurately balanced balance the adaptor very carefully without affecting the rotating cylinder balance Cylinder adaptor H Set screw 0 005mm or less A me X 0 005mm Z or less J Tolerance F7 Spindle 3 2 Connecting Rod The rotating cylinder output is transmitted to the chuck by via the connecting rod causing the jaws to grip and release workpiece The connecting rod is first screwed into the piston the rotating cylinder
42. ds Danger by an excessive stress causing your lumbar injury Turn off the power source before supplying hydraulic oil Keep fire and flame away during supplying Danger by flaming of hydraulic oil Attach a filter in the coolant supplying line Port RJ Model C1SB Contamination in the coolant connection may cause faster abrasion of the mechanical seal In case that coolant will be supplied to the Port RJ consider the means to prevent harmful contamination entering into the rotating cylinder with coolant CE Marking ISO FDIS 16156 Safety Requirements for the design and construction of work holding chucks require the following for safe operation of rotating cylinders 1 Chuck or chucking equipment cylinders shall be equipped with devices to ensure that the clamping force is effectively applied e g travel sensors before stroke end 2 In the event of energy supply failure to the actuators cylinders devices e g check valves shall be provided to ensure that the pressure is maintained for a period stated by the manufacturer 3 Marking shall be indelible and clearly legible giving the following data 3 1 Name or trade mark of the manufacturer 3 2 Type designation or serial number 3 3 Maximum rotational speed nmax 3 4 Maximum operating force or energy supply input output To completely satisfy the above requirements model C1SLI A AAXAA B shall be used with the proper proximity switches mounted 1 Construc
43. fied 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 upper limit Danger by damage of rotating cylinder or chuck caused by excessive hydraulic pressure Coat the threaded section of connecting rod with adhesive and tighten 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 rod Bolt size M20 Tightening torque N m 117 Stop the rotation before adjustment of proximity switches when the bracket is equipped Danger of entanglement with rotating section The proximity switch moves when the piston moves Be extremely careful to avoid being pinched a part of your body by moving parts Attach a strainer in the hydraulic pressure supplying line Ports P1 and P2 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 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 AQ CAUTION wW OO Use lifting belt when attaching or detaching rotating cylinder Danger by dropping of rotating cylinder from your han
44. ic 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 them yx Disassembling procedure for rotating cylinder 1 Remove the mounting bolts and detach the flange A 2 Remove the mounting bolts and detach the rod cover B from the cylinder C 3 Extract the piston D 4 Remove a set screw on the piston rod and detach the connector E
45. inder Keep the surge pressure low If the pressure of the hydraulic unit is CAUTION i 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 hydraulic circuit We recommend using hydraulic oil that has viscosity of 32mm2sec at 40 C ISO VG32 equivalent with abrasion resistance as well as defoaming characteristics Inappropriate hydraulic oil may extremely shorten the product life 13 Recommended oil types are Daphne Super Multi Oil 32 Diamond Lub RO 32 Mobil DTE Light Shell Tellus Oil 32 Esso Teresso 32 A CAUTION Turn off the power source before supplying hydraulic oil Keep fire and 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 l le P lt 4 port 2 position change over valve Change over v
46. is installed and the chuck is connected to the connecting rod The connecting rod shall have enough bearing capacity to withstand the maximum thrust multiply the piston area by the maximum hydraulic pressure AA WARNING Completely decrease the piston and the threaded section of the connecting rod coat the threaded section of the connecting rod with adhesive and tighten it to the specified torque Adhesive Use ThreeBond 1344 or equivalent Tightening torque for connecting rod Bolt size M20 M24 Tightening torque N m 117 209 Awrench flat is to be provided on the connecting rod 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 rod Tightening the connecting rod holding the cylinder body may result in damage to internal parts due to fastening torque There are several models having axially narrower wrench flat than the width of standard spanner As for those models in case that the diameter of connecting rod is bigger than the width of wrench flat on the piston rod it is impossible to tighten the connecting rod In this case machine the outside diameter of connecting rod less than the width of wrench flat on the piston rod as shown below The runout of the tightening surface of the connecting rod to the piston rod should be within 0 020 mm T I R to prevent the excessive inclination of the connecting rod To prevent
47. ormance of mechanical seal declines because of the damage and the abrasion supplying fluid may leak from this port Lead the piping to the place where the fluid doesn t cause any trouble If leakage occurs at the coolant drain port replace the mechanical seal Use a wire filled clear vinyl hose for the piping of the coolant drain port A CAUTION so that the leakage can be seen If there is any obstacle in the piping coolant that leaks from the mechanical seal can be mixed with the hydraulic oil To prevent these kind of troubles the end of the drainage hose must be kept atmosphere pressure and stagnant coolant must be eliminated from all the way of the hose 3 5 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 cyl
48. raulic pump Model C1SA 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 piston 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 The bracket is prepared to attach the proximity switch The proximity switch moves axially when the piston moves and electrically detects the location of the piston The proximity switch can be mounted in any place to detect not only the gripping jaw operation but the workpiece presence or deflection of the gripping diameter In model C1SB a built in mechanical seal is provided for supplying coolant or air by which the seating of workpiece is confirmed to the chuck mounted in front of the spindle C1SA95X15 Bracket Piston Distributor Rod cover Relief valve Check valve C1SA 115X20 125X20 135X25 C1SB Bracket j Cylinder Flange ie Relief valve Check valve Mechanical seal 2 Specifications Specifications Effective piston area Piston stroke mm Max speed r min Max pressure MPa Moment of inertia J kg m C1SA Note 1 Weight Moment of inertia J C1SB Note 1 Weight Total leak
49. rotating cylinder should be less than 1 7 m CAUTION In case that coolant will be supplied to the Port RJ consider the means to prevent harmful contamination entering into the rotating cylinder with coolant Contamination in the coolant connection may cause faster abrasion of the mechanical seal 4A CAUTION When using the coolant supply port in the seating sensor circuit supply specified oil through lubricating circuit indicated in the drawing to protect the mechanical seal from abrasion CAUTION Oil ISO VG32 Supplying rate 0 5 1 cm h Solenoid valve Seatin Regulator A Senor unit 3 ports solenoid valve Filter I k a to change the seating and lubrication 1 H_ Rotating union 11 v 1 SY A BES Ee I x oe S D a Lubricator Oil ISO VG32 1 Supplying rate 0 5 1cm3h Regulator for k gt 5 lubricating circuit Lubricating circuit for the rotating union 12 A CAUTION aia C1SB pour 4 mL ISO VG32 OIL to coolant supply port before In model C1SB running without supplying any fluid to the coolant supply port makes the sealing surface of the mechanical seal insufficient Ay CAUTION cooling and may lead extraordinary abrasion and damage Nothing comes out from the coolant drain port under the normal condition However when the perf
50. tion and Operation 1 1 Model Coding Model C1SA C1SB short type rotating cylinder is model coded as follows sE With bracket Stroke 15 20 25 Size 95 115 125 135 115 125 135 A Without coolant connection With coolant connection 1 2 Construction and Operation Descriptions in this manual are based on model C1SA Supplementary descriptions are added for special function of model C1SB The short type rotating hydraulic cylinder model C1SA 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 rod connected to the threaded section on the right end of the piston causing the jaws to grip and release the workpiece The distributor is composed of a piston that rotates with the cylinder and a distributor shaft that does not rotate Oil that leaks between the piston and the distributor shaft 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 hyd
51. ulic Unit Hydraulic Oil Hydraulic Circuit 13 3 6 Proximity Switch Setting 14 3 7 Stroke Control aera aia SO Marae igi ee ee ane aie E e erase wih Se 15 3 8 Trial Operation aR MP Be ele RD pu cae re WaT Bs re Ue RR fee 1g we 15 4 Maintenance and Inspection 4 1 Check of Hydraulic Oil Sieh ROMA ee a See Re a ene eae wee 16 42 Overhaul and Parts List RRS Woe ore ae Gale Ae rR wae 16 LIMITED WARRANTY Se ae Ca ee rae Ue a ya a E 7 8 a E 18 Precautions This instruction manual describes model C1SA C1SB Rotating Hydraulic Cylinder Standard Model Please read this manual carefully and fully understand 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 NO oO ak HOWA MACHINERY LTD INDUSTRIAL EQUIPMENT GROUP MACHINERY DIVISION 1900 1 SUKAGUCHI KIYOSU AICHI 452 8601 JAPAN Phone International access code 81 052 408 1254 Facsimile International access code 81 052 409 3766 O The values of this manual are des
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