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Kitagawa M0915RA, Instruction Manual

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Kitagawa M0915RA Instruction Manual Download Page 1

 

   

                                 

                              Version 1.12 (2021.07.07)  

Original instruction s  

INSTRUCTION MANUAL 

M-H

 type 

ROTARY HYDRAULIC CYLINDER 

CLOSED CENTER 

 
 
 
 
 
 
 
 
 
 
 
 
 

 

 

 

 

 

 

 

 

 

 

 

 

 

Kitagawa Corporation

 

77-1,Motomach i,Fu chu -sh i,Hiroshima,726 -8610,Japan  

TEL +81-(0)847 -40 -0526 

FAX +81-(0 )847-45 -8911

 

 

 

 

・

 

This  instruction  manual  is  for  production  engineers  and  maintenance 

personnel  in  charge  of  operation  of  this  product.  When  a  beginner 

uses  this  product,  receive  instructions  from  experienced  personnel, 

the distributor or our company. 

 

・

 

Before  installing,  operating  or  maintaining  this  equipment,  carefully 

read  this  manual  and  the  safety  labels  attached  to  the  equipment. 

Failure to follow these instructions and safety precautions could result 

in serious injury, death, or property damage. 

 

・

 

Store this manual near equipment for future reference. 

 

・

 

If  any  questions  related  to  safety  arise  about  this  manual,  please 

confirm them with the distributor or our company. 

 

     

DANGER 

Summary of Contents for M0915RA

Page 1: ...uct When a beginner uses this product receive instructions from experienced personnel the distributor or our company Before installing operating or maintaining this equipment carefully read this manual and the safety labels attached to the equipment Failure to follow these instructions and safety precautions could result in serious injury death or property damage Store this manual near equipment f...

Page 2: ...d displayed as shown below depending on the damage of risk including the seriousness of the harm that could result Please sufficiently understand the meanings of these terms and follow the instructions for safe operation Safety Alert Symbol The triangle is the safety alert symbol used to alert you to potential safety hazards that could result in injury or death Indicates a hazardous situation whic...

Page 3: ...confirm them with our company or distributor before performing them Guarantee and Limitation of Liability The guarantee period of this product is 1 year after delivery Use the parts delivered by Kitagawa Corporation for all the parts including consumable parts We will not assume responsibility for injury death damage or loss caused by usage of parts not manufactured by Kitagawa Corporation Additio...

Page 4: ...le 4 Hydraulic Oil 21 5 Trial Operation 23 6 Proximity switch 25 6 1 Specification 6 2 Adjusting the position of a proximity switch 7 Maintenance and Inspection 27 7 1 Maintenance and inspection of cylinder 7 2 Maintenance and inspection of hydraulic unit 7 3 List of seals to use 7 4 Special instructions 8 Malfunction and Countermeasures 31 8 1 In the case of malfunction 8 2 Where to contact in th...

Page 5: ...ction and attachment of cylinder adapter 9 3 Production and attachment of draw bar 9 4 Attachment of cylinder 9 5 Tightening torque of cylinder attaching bolt 10 About Hydraulic Circuit Design 44 11 Other Information 47 11 1 About standards and orders 11 2 Information about markings of product 11 3 About disposal ...

Page 6: ...ig 1 Note Proximity switch is not included Please prepare by yourself 1 2 3 4 5 6 7 Example M 11 20 HA 2 1 D 1 M Abbreviated name of M cylinders 2 11 Nominal inside diameter of the cylinder 3 20 Nominal piston stroke 4 HA Inner air type M09 type is RA HB Inner coolant type HC None 5 7 Columns for special specification ...

Page 7: ...rk from flying safe design maintenance and erroneous action prevention of the hydraulic system to maintain the gripping force of the chuck is extremely important Thoroughly read the Important Safety Precautions on and after page 13 in this manual As for the chuck follow the instruction manual for the chuck ...

Page 8: ...MA0882RHG 7 1 4 Parts list HA M09 type is RA type M0915RA M1120HA21D M1221HA21D M1330HA21D Detail of Teflon seal Fig 3 ...

Page 9: ...eeve 1 24 O ring 3 7 Sleeve cover 1 25 O ring 3 8 Detectable plate 1 26 O ring 2 9 Ring 1 27 O ring 1 10 Bracket 1 28 O ring 2 M0915RA 1 11 Slide pin 2 29 O ring 1 M0915RA only 12 Shim ring 1 30 O ring 1 M0915RA 0 13 Spacer M0915RA 1 M1120HA21D 1 M1221HA21D 0 M1330HA21D 2 31 O ring 1 32 O ring 1 33 Oil seal 1 34 Teflon seal 2 14 Adjusting plate 2 35 Retaining ring 1 15 Bearing 1 36 Washer 4 16 Bea...

Page 10: ...MA0882RHG 9 HB type Detail of Teflon seal Fig 4 ...

Page 11: ...cap screw 3 6 Sleeve 1 24 O ring 3 7 Sleeve cover 1 25 O ring 3 8 Detectable plate 1 26 O ring 2 9 Ring 1 27 O ring 1 10 Bracket 1 28 O ring 2 11 Slide pin 2 29 O ring 1 12 Spacer M1120HB21N 1 M1221HB21N 0 M1330HB21N 2 30 O ring 1 31 O ring 1 32 Oil seal 1 13 Cover 1 33 Teflon seal 1 14 Adjusting plate 2 34 Mechanical seal 1 15 Bearing 1 35 Retaining ring 1 16 Bearing 1 36 Washer 4 17 Socket head ...

Page 12: ...MA0882RHG 11 HC type Fig 5 ...

Page 13: ...crew 2 5 Piston 1 21 Socket head cap screw 4 6 Sleeve 1 22 Socket button head cap screw 3 7 Sleeve cover 1 23 O ring 3 8 Detectable plate 1 24 O ring 2 9 Ring 1 25 O ring 2 10 Bracket 1 26 O ring 1 11 Slide pin 2 27 O ring 2 12 Spacer M1120HC21D 1 M1221HC21D 0 M1330HC21D 2 28 O ring 1 29 Oil seal 1 30 Retaining ring 1 13 Adjusting plate 2 31 Washer 4 14 Bearing 1 32 Washer 3 15 Bearing 1 33 Washer...

Page 14: ... caught Close door before rotating spindle If the door is not closed you may touch the rotating chuck or the work may fly out which is very dangerous In general the safety interlock function which allows rotation only when the door is the manual mode or the test mode During spindle rotation do not turn off hydraulic pump power supply and do not operate switching valve Cutting off hydraulic pressur...

Page 15: ...ed the allowable maximum input force Input must match the specification of the chuck Adjust the hydraulic pressure to the cylinder so that the input which determines the gripping force of the chuck does not exceed Excessive input force can lead to breakage of the chuck which is very dangerous as the chuck can work can be damaged and fly out Be sure cover is attached to periphery of cylinder before...

Page 16: ... torque is insufficient or excessive the bolt will break which is dangerous as the cylinder or work will fly out Fix the lathe spindle or the cylinder when you tighten bolts Your hand could slip and get injury when you work without fixing the spindle You must use a torque wrench for torque control Tightening torque is moment of force when you tighten a bolt Tightening torque F L Specified torque f...

Page 17: ... safe combination when using at high pressure with our company or the distributor Especially when the cylinder of our company and a high pressure chuck of other company are combined confirmation is necessary If one of the abnormal events shown below occurs during operation immediately stop the machine and consult with our company or the distributor The work slips Loss of accuracy The work begins t...

Page 18: ...gripping force will be lost instantly and this is dangerous as work will fly out If the draw bar is unbalanced excessive vibration could occur breaking the screw and resulting in the gripping force being lost and the work flying out When screwing the draw bar piston to the end of the pressing side stroke If the engagement of the screw of the draw bar is loose vibration may occur resulting in break...

Page 19: ... the cylinder from the cylinder Do not rotate the cylinder without hydraulic pressure Doing so could cause seizing inside the cylinder leading to a drop in the gripping force of the chuck This is dangerous as work will fly out Periodically add hydraulic oil Turn off power and use designated hydraulic oil Refer to page 21 If supplying of the hydraulic oil is insufficient the operation speed may low...

Page 20: ...illed hydraulic oil changes causing an increase in pressure which is dangerous resulting in malfunction If seizing is caused by foreign matter the gripping force of the chuck will lower which is dangerous as the work will fly out Do not operate the machine after drinking alcohol or taking medication Do not operate the machine wearing gloves a necktie and other loose clothing or jewelry Dangerous s...

Page 21: ...8 4 HA 8 2 HB 8 5 HC 8 2 HA 10 2 HB 10 5 HC 10 2 HA 10 3 HB 10 6 HC 10 3 Moment of inertia kg m 2 0 016 0 016 0 028 0 029 Drain amount ℓ min 1 2 1 2 1 2 1 2 Balance quality G6 3 Storing temperature Operating temperature 20 50 C 10 40 C Note 1 The drain amount is a value when the hydraulic pressure is 3 0 MPa and the oil temperature is 50 Note 2 How to obtain the piston thrust force Note 3 When sto...

Page 22: ...pply decreases the acting speed causes thrust force insufficiency resulting in a drop in the chuck gripping force which could allow the work to fly out Use abrasion resistant and deforming hydraulic oil Add a filter of 20μm or less in the pressure supply line P to maintain the function of the cylinder and to prevent seizing caused by foreign matter If high speed rotation is continued the oil tempe...

Page 23: ...victim to fresh air If symptoms persist call a physician After contact with skin Wash off with mild cleaners and plenty of water If symptoms persist call a physician After contact with eyes Rinse with plenty of water If symptoms persist call a physician After ingestion If large amounts are swallowed do not induce vomiting Obtain medical attention Please refer to each MSDS about the hydraulic fluid...

Page 24: ...ly raise the operating pressure up to the rated pressure while checking the items specified above At this point check that the drainage is flowing smoothly 4 Rotate the lathe spindle by setting the rotation speed to the minimum If there is no run out of the cylinder or no abnormalities in the support and piping gradually raise the rotation speed If the rotation vibration is too excessive run out o...

Page 25: ...al level 4 If the cylinder cannot be operated even after the chuck setting pressure is raised to the maximum and the operation specified in the above item 3 is repeated several times return to the chuck setting pressure turn off the power supply cool down the temperature of the cylinder surface to be almost the same as the room temperature and then repeat the operations specified in the above item...

Page 26: ...r or for the detection of chucking unchucking of a workpiece The proximity switch is not included so please prepare it by yourself by referring to the specifications of the proximity switch below Table 5 Type BES M12MI PSC20B BV02 BALLUFF Voltage 24V DC Leakage current 200mA or less Operation style PNP Table 6 Type BES M12MI PSC20B BV02 BALLUFF SQ61 BLACK V BROWN 0V BLUE SQ60 BLACK Fig 7 ...

Page 27: ...e 8 until the LED of proximity switch lights up At this time adjust the screw of proximity switch so that the distance between proximity switch and outside diameter end of detectable plate 8 is about 1 mm and slide to adjust the adjusting plate 14 in the axial direction Tighten the socket head cap screw 22 to fix the adjusting plate 14 Grip the workpiece For another proximity switch proceeds in th...

Page 28: ...he A to C port pipes and drain pipes Remove the Socket button head cap screw 23 3 places and then remove the ring 9 Remove sticky material while spraying lubricant on the gap between the inner diameter of the detectable plate 8 and the outer diameter of the rotary valve 4 After connecting the hydraulic port repeat the push pull operation of the cylinder several times to confirm that there is no pr...

Page 29: ...rt name M1120HB21N M1221HB21N M1330HB21N Quantity 24 O ring JIS B2401 P7 JIS B2401 P7 JIS B2401 P7 3 25 O ring JIS B2401 P12 JIS B2401 P12 JIS B2401 P12 3 26 O ring JIS B2401 P16 JIS B2401 P16 JIS B2401 P16 2 27 O ring JIS B2401 P30 JIS B2401 P32 JIS B2401 P36 1 28 O ring JIS B2401 G105 JIS B2401 G115 JIS B2401 G125 2 29 O ring NOK S22 NOK S22 NOK S26 1 30 O ring NOK S42 NOK S42 NOK S42 1 31 O rin...

Page 30: ...use it is worn or damaged 3 Check the Teflon seal 34 in the center of the sleeve cover 7 for wear If it becomes deformed worn on one side etc replace it To facilitate assembly at the joint and the seal part or prevent flaws in assembling the seal apply a sufficient amount of oil equivalent to turbine oil 90 or of grease general grease Class 1 to follow the disassembly procedure in the reverse orde...

Page 31: ...the socket head cap screw 20 4 pieces to remove the cover 13 2 Remove the setscrew 2 pieces put in the mechanical seal 34 to disassemble the mechanical seal 34 Note If any abnormalities such as damage to the mechanical seal flaws in the seal surface deformation etc are found replace the mechanical seal 3 Remove the socket head cap screw 19 4 pieces to remove the sleeve cover 7 4 Check the Teflon s...

Page 32: ...of the returning side pipe or the drain is more than usual Temperature Rise Check that the viscosity of the hydraulic oil is as designated Replenish the hydraulic oil inside the tank if it is low When the room temperature is high and the radiation effect of the tank is bad control the oil temperature using a cooler or a fan etc Pump noise Do not suck air Replenish the hydraulic oil inside the tank...

Page 33: ...ect the problem or improve the situation immediately stop using the machine Continuous use of a broken product or a defective product may cause a serious accident by the cylinder or the work flying out Only experienced and trained personnel should do repairs and fix malfunctions Repair of a malfunction by a person who has never received instruction from an experienced person the distributor or our...

Page 34: ...ol manufacturers personnel who attach a cylinder to a machine Please read following instruction carefully when you attach or detach a cylinder to machine and please sufficiently understand and follow the instructions for safe operation 9 Attachment 9 1 Outline drawing of attachment Fig 10 ...

Page 35: ...el Refer to Fig 10 If the hydraulic oil stagnates inside the cylinder oil leakage occurs which may cause a fire Install after removing the dust inside the pipe completely Add a filter to the pressure supply line P If foreign matters gets inside the cylinder this is dangerous since the rotation valve of the cylinder will seize the hose will tear off and the cylinder will rotate This is also dangero...

Page 36: ...ibration and shortens the life of the cylinder significantly Bring the cylinder as close to the lathe spindle support as possible The attaching method of the cylinder adapter and the measuring method of run out are illustrated in the drawings below Fig 11 Table 11 Never fail to provide a setscrew to prevent loosening of the cylinder adapter Fig 12 Cylinder adapter attaching part Fig 11 Run out mea...

Page 37: ... Type φA F7 φB φC D MAX Socket head cap screw M0915RA 145 30 130 101 6 M8 M1120HA21D M1120HB21N M1120HC21D 145 30 128 60 6 M8 M1221HA21D M1221HB21N M1221HC21D 168 32 145 60 6 M10 M1330HA21D M1330HB21N M1330HC21D 168 36 150 60 6 M10 ...

Page 38: ...iently degrease and apply adhesive on the thread part of the piston and the thread part of the draw bar and then screw in and tighten If the screw is loose the jaw stroke of chuck will shorten which could allow the work to fly out M1120HA HB HC M1221HA HB HC M1330HA HB HC Fig 13 HA M09 size is RA and HB type Prepare the appearance and the 30 degree beveling which do not damage an o ring M0915RA Fi...

Page 39: ... restricted to 6000min 1 The dimension L in Fig 13 14 is determined from the distance A between the cylinder adapter and the back plate Example In the case of PU208 M1120HA21D the cylinder adapter and back plate distance A 800 The total length of the draw bar is to be L A 71 800 71 729 At the time of the screw process of the dimension D the precision is to be JIS 6H and 6h 6g matching the screw of...

Page 40: ...cified in this manual do not guarantee that the draw bar will not break under every usage condition If the screw in depth of the draw bar to the draw nut is insufficient the screw will break and the gripping force will be lost instantly which is dangerous as the work will fly out If the draw bar is unbalanced vibration occurs the screw is broken and the gripping force will be lost instantly which ...

Page 41: ...pe has entered the spindle sufficiently re engage a lifting belt with the cylinder body and fit the cylinder closely to the spindle and then install the cylinder with the cylinder mounting bolts Detach in the reverse procedures of attachment Fig 16 Use a lifting belt when attaching and detaching the cylinder to and from the machine as there is a danger of injury or damage if the cylinder drops Use...

Page 42: ... come back to the above of oil tank surface of the hydraulic unit Fig 10 If the drain hose is connected to T port such as valve block etc the oil seal of cylinder will damage because back pressure is applied to the hose As for the run out when attaching the cylinder attach the cylinder while keeping the vertical run out of the sleeve cover rear end and the cylinder periphery at the standard value ...

Page 43: ...MA0882RHG 42 Cylinder attachment Cylinder adapter Fig 18 To obtain the above specified value of run out make the surface run out of the cylinder adapter as small as possible 0 005 mm TIR or less ...

Page 44: ...the specified torque If the torque is insufficient or excessive the bolt will break which is dangerous as the cylinder or work will fly out Use the bolts attached to the chuck and do not use other bolts However if you must use other bolts not provided by Kitagawa use bolts that have at least a strength classification of 12 9 10 9 for M22 or more and be sure they are long enough Table 13 Bolt size ...

Page 45: ...s to be in a circuit to retain the gripping port position when no electric current is carried The switching of the cylinder is to be 4 port 2 position with electromagnetic valve and design the hydraulic circuit which grips the work in the state that the solenoid valve is degaussed If the circuit is designed in the opposite way if there is a blackout the work could be released and fly out Provide a...

Page 46: ...the function of the relief valve lowers the volume of the filled hydraulic oil changes causing an increase in pressure which is dangerous resulting in malfunction To avoid serious injury from flying work use the throttle valve to keep the surge pressure low Operation failure and cylinder breakage may occur if a reducing valve used for the hydraulic pressure setting fails to respond to pressure adj...

Page 47: ... 14 Table 14 Tighten plumbing and plug at the specified torque 20N m If the torque is insufficient or excessive the cylinder will break and cause oil leakage which could result in a fire It is dangerous because leakage cause the hydraulic pressure drop and work flying out Type M0915 M1120 M1221 M1330 A port Rc1 4 B port Rc1 4 Ar port M HC Rc1 8 C port M HB Rc1 4 Dr port Rc1 4 ...

Page 48: ...1 About standards and orders This product is based on the following standards or orders Machinery directive 2006 42 EC Annex I EN ISO 12100 2010 EN1550 1997 A1 2008 11 2 Information about markings of product Fig 21 M HA type M09 size is RA ...

Page 49: ...MA0882RHG 48 Fig 22 M HB type Fig 23 M HC type ...

Page 50: ...MA0882RHG 49 11 3 About disposal Ultimate disposal of this product should be handled according to all national laws and regulations ...

Page 51: ...20HC M1221HA M1221HB M1221HC M1221HD M1330HA M1330HB M1330HC Serial number See original declaration Manufacturer Kitagawa Corporation 77 1 Motomachi Fuchu shi Hiroshima 726 8610 Japan Authorized compiler Peter Soetebier Prokurist in the community Kitagawa Europe GmbH Borsigstr 3 D 40880 Ratingen GERMANY The essential health and safety requirements in accordance with the EC Machinery Directive 2006...

Page 52: ...epublic Tel 420 603 856 122 Fax 420 549 273 246 KITAGAWA EUROPE GmbH Romania Office https www kitagawa global ro Strada Heliului 15 Bucharest 1 013991 Romania Tel 40 727 770 329 KITAGAWA EUROPE GmbH Hungary Office http www kitagawa global hu Dery T u 5 H 9024 Gyor Hungary Tel 36 30 510 3550 Asia Contact KITAGAWA INDIA PVT LTD https www kitagawa global in Plot No 42 2nd Phase Jigani Industrial Area...

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