H010D - 豊和工業
Contents
1. HO1OD CORD2. 6218 BFR OO
3. 14 4 3 A B
4. OO Fry INED CHES 345 PRADASIAS 16 6 6 1 B mm mm mm E MPa 2 D kN cm cm mm Ss kg 17 6 3
5. O od 7 8
6. 18 Table of contents Introduction Safety Information Safety Precautions 1 Construction and Operation 4 1 1 Model Coding vxtautnt tnt bie 20P es 4 1 2 Construction and Operation 4 23 nstallatlOn ES SS SS ES 5 2 1 Unpacking i 5 2 2 Accessories AA 5 2 3 Preparations for Installation ii 5 2 4 Installation Procedure 5 2 4 1 Before Installation 5 2 4 2 Installing Chuck i 6 2 4 3 Supply of the pneumatic or hydraulic pressure ey 6 2 4 4 Compressed air i 6 2 4 5 Hydraulic OO 7 3 Precautions for Use AE 7 3 1 Selecting Top JAWS 7 3 2 Installling 19PJBWS1LLLRRRK 2c sete zece cede rece terre ents 8 3 3 Forming Top Jaws 2 100 2sne oe tee neta eaten as 9 3 4 Setting Working Conditions 10
7. NO H gt X 7 3 2 P he mAH
8. 11 Azs ANSI B11 6 1984 section 4 3 2 3 5 2
9. Azs 1 2 10 3 42 9
10. BB y B T
11. D D OD OD d EREA d d DS d XO 75 i d gt D d XO 75 D D
12. aa Se Azs D X
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14. WY 3 4 3 4 1
15. TANS B11 6 1984 1 4 6 mm 3 5 3 Ps
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17. Q WE ASS e eee e ee L min A N R GS Pees SaaS EE EET L LANR J t min Dae sce dace ee ee 3 ee ee PP MPa N 1 Q 10 Q Nx 2 10 HO1OD6 1 267 7cm2 PAUSED 278 7cm 15mm Ct Bem PARTED 0 54MPa 2min 6 2677X1822787KhOIXSSS NUM 82 0 1013 1000 Q 10 126 L min ANR x m ISO VG32
18. JIS B2401 P75 JIS B2401 P75 JIS B2401 P75 JIS B2401 P65 JIS B2401 P65 JIS B2401 P65 JIS B2401 P185 JIS B2401 P185 JIS B2401 P185 JIS B2401 P12 JIS B2401 P12 JIS B2401 P12 AS 568 170 AS 568 170 AS 568 170 AS 568 046 AS 568 046 15 AS 568 046 5
19. sa Racine te Rag ieee eee ee ee ae 3 5 1 TANS B11 6 1984 BEE
20. NILE DEA A KILJ 2 8 1 ald 4 1 EP lt COREA ME ua
21. 6 3 5 ee ee ANSI B1 1 6 ANS
22. 2 4 2 4 1 5 24 2 2 2 HIIR Nm 24 3 3 3 aa AA A 3 B 24 4
23. 5 7452 8601 1900 1 TEL 052 408 1254 FAX 052 409 3766 6 S 1MPa 10 197kgf cm D 1kKN 101 97kef 1N m 0 10197kgf m
24. S argues i oe N oss Wem eye 3 z WEIL He SEEN ia gee oe FS 3299 ia i ee L ois Zi Tn BBE fe 1 Ne 4 9 dje OFP A oy N le pe he A Z Tee ere nee AE
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28. RS ETE 8 1 EP 4 1 EP 100 O005 1 1 3 AIG TEL 08 3287 1155 FAX 03 3287 8460 gt ig gt ig OF
29. lt 3 1 1 HO10D HO1OD L_ 6 8 10 HO1MA 200 COED HO1MA _ HO1OD HO1MA 1 1 HO1OD MN TANS MN A PEE ii E A HO10D6 HO1MAG HO1OD8 HO1MA8 6200 HO1OD1O HO1MA1O 1 2
30. 8 33 9 34 10 341 10 342 1 1 35 44 3 5 1 11 352 12 3 5 3 oS ce es wt 0 12 354 13 A 13 41 13 42 14 43 15 5 e o erin A es a wag RS 16 6 17 6 1 17 62 17 63 18 64 ee tt te ee eh ee ee ee 18 18 1 HO1OD 2 3 4
31. A nes SO gt er A SW
32. gt ig 13 4 2 1000 mill O O
33. STATIONARY CHUCK HO1OD INSTRUCTION MANUAL A A IMPORTANT Be sure to read and understand this instruction manual thoroughly before operating this product A vate Es a Please save this manual When ownership es A 3 of this product is transferred submit this F manual to the new owner se hI ARTS at HOWA MACHINERY LTD REDIEOIC 4 MECH 6 ee es 4 11 ee ee we ee ee ee A 12 4 2 RAJAK ee ee ee 5 24 RIAN ee ee ee ee ee ee ee ee ee 5 22 ee eee ee ee ee we we ee ee 5 23 5 24 ee ee ee ee ee ee eee 5 24 1 5 2 4 2 6 243 6 244 6 245 EB _ 7 3 ee Har 7 31 7 32
34. LT DEEKIN 2mm aa 1 2 BE 1 2 1 D 3 3 35
35. O 4 4 Nm 4 x 4 1 2 2mm
36. 6 24 5 40C 32mm sec ISO VG32 32 32 RO32 32 DTE A 3 3 1
37. 2 2 C 6 4 2 3
38. O O D M8 3 M8 3 O J 10
39. 2 2 1 fi 2 Oke SLTIDAT SE 4 Ai JON OC AS A
40. jaws are engaged with each other Fig 1 by the protruding portions and the BB Sa p u ii inclined to the chuck a FRONT Pilot plate The draw screw is connected to 2awnut Y wee eplun ai E the piston body of the cylinder eG A D E section through the connector Grease nipple JH NIN 8 When pneumatic or hydraulic Hex socket E l Roundnut x pressure is supplied to the front of Pead bolt ee Connector 5 the piston body the piston body N il SG moves to the rear and the wedge eee dt z iD a Bar body plunger is drawn backward When gt Td mH Cylinder body the wedge plunger is drawn 1 IF 3 Y s backward the master jaws are LE K ar z pulled toward the center and the _ Ol top jaws grip the outside of the REAR work piece OD chucking When pneumatic or hydraulic pressure is supplied to the rear of the piston body the piston body is moved to the front and the wedge plunger is pushed to the front The master jaw is moved in the peripheral direction and grasps the inner diameter of the work piece using the top jaw ID chucking NOTE This manual regards the top jaw side as front and the chuck installation face side as rear 4 2 Installation 2 1 Unpacking Take the chuck out of the package box At this time be careful not to take out or lift it by hands This is because chucks weigh over 20 kg and lifting such a heavy chuck may cause damage to your lumbar or injury by d
41. A ANSI B11 6 1984 ANSI B11 6 1984 12 3 5 4 BREE So 4 4 1
42. Table 4 Tightening torque_ N m Use exact torque for the installing bolts If less torque is used than specified in Table 4 above the bolts may loosen in the top jaws and or the work piece could come off If the torque is greater than that specified the master jaws and or top jaws will deform and defective operation will result leading to breakage and release of the top jaws and or work piece In either case the resulting flying off of work piece and or top jaws may lead to severe personal injury or death to the operator and or bystanders 4 Two bolts are used for one top jaw As long as the installation bolts provided for Fig 4 the standard soft top jaws or standard hardened jaws are used the screw depth of ne the bolts in relation to the jaw nuts is no problem since the value is neither too much nor too little Should there be other bolt nut combinations however be sure to keep the screw depth so that the tip of the bolts will be within 2 mm from the lower surface of the nuts or at least not projecting out from below the nuts lower surface Use two bolts to secure one top jaw Be sure to chouse the bolts with appropriate length Use two bolts to secure one top jaw If only one bolt is used the top jaw and or the bolt may break If the bolts used to secure the top jaws are screwed in too shallow into the jaw nuts the jaw nuts could break Or if the bolts protrude from beneath the lower surface of the jaw nuts t
43. Chuck center line for forming dd Chuck center line for forming d Chuck center line for forming D Remarks When machining a bar stock keep in mind that the chuck may lose stable gripping force and the work piece may slip because a long work piece may vibrate and the top jaws cannot firmly grip a work piece with a smaller diameter In such a case secure a greater gripping length in the axial direction to improve gripping stability Figures 7 and 8 show examples of top jaws formed to secure a greater work piece gripping length by moving the gripping location of the formed plug from near the chuck end face to the upper jaw surface The tops jaws are also formed to increase the gripping stability so that the work piece can be gripped just as if the jaws were rising in the forming condition Method for gripping formed Method for gripping formed ring plug near the chuck end face on the top jaw surface Fig 7 Fig 8 7 gL T iL T 3 4 Setting Working Conditions 3 4 1 Max Pressure Max Pressure indicated in the specification table or catalogue is the maximum pneumatic or hydraulic pressure at which the chuck will not suffer damage presuming those standard soft jaws or standard hardened jaws are used This maximum pressure may be used as required of course but ordinarily long
44. and the need to protect the operator from inadvertent opening or closing of the chuck usually by a shield ANSI B11 6 1984 also requires that when a foot pedal switch is used it must be protected from inadvertent operation 12 3 5 4 End of Operations AA WARNING Remove the work piece from the chuck at the end of operations If the work piece is left gripped in the chuck the cylinder supply pressure may decrease or the work piece may fall oft due to mistaken operations it may cause severe personal injury and machine damage 4 Maintenance 4 1 Lubrication The most frequent cause of chuck failure is insufficient or improper lubrication If lubrication is insufficient or if a non specified lubricant is used not only will wear be accelerated the gripping force will be inadequate with the possibility of the work piece coming off while machining Adhere to the following guidelines for lubrication Lubrication Points Recommended Time of Lubrication Lubricant Grease nipples on Once every 8 hours outside of chuck SN UE but where coolant is constantly used GREASE body once every 4 hours Recommended oil MOLYKOTE EP GREASE supplied from Dow Corning Corporation Insufficient lubrication will lead to lower gripping force and create abnormal friction and seizure If the cutting is done in such conditions the work piece will come off and may cause severe injury or death to the operator and or bystanders Lubricati
45. 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 20051101 18
46. supplied from Howa Any and all warranties are invalid unless only Howa s genuine parts are used A WARNING When using the top jaws that are higher than the standard top jaws lower the cylinder force in inverse proportion to the top jaw height If the distance H from the chuck front end face to the gripping position is greater than the height X of the standard soft top jaws dimension X in the following figure or in the table of dimensions a force larger than the allowable value is applied to the top jaw installation bolts even when the chuck is operated within the permissible cylinder force specified in the specification or product catalogue As a result the installation bolts may be broken and the top jaws and or work piece may come off This may in machining cause severe personal injury or death to the operator or bystanders Even if the top jaws installation bolt does not break the great force exerted upon the sliding portion of the master jaws due to this peculiar application procedure will shorten service life considerably NO a 3 2 Installing Top Jaws Fig 3 1 Select the top jaws in terms of the work piece and install them on Tonia 0 the chuck Before doing so however clean off the fitting portions op jaw i of the top jaw and master jaw serration as well as those of the jaw BAW nuts with a compressed air blast What dirt or foreign matter Master ja
47. 3 4 1 Max Pressure RR Rs 10 3 4 2 Work Deformation 11 3 5 Precautions for Operation 11 3 5 1 Before Gripping Work piece i 11 3 5 2 When Gripping Work piece ii 12 3 5 3 During Cutting Operations eee 12 3 5 4 End of Operations 13 4 Maintenance Se 13 4 1 lubrication NC i 13 4 2 Disassembly and Cleaning uuu 14 A So Parts List EE ER ERE 15 5 Troubleshooting oe 16 6 SpecificatioNS SE REE 17 6 1 Specifications ASA 17 6 2 Dimensions i 17 6 3 Standard Top Jaws i 18 4 ACCESSONES Activ otis smears 18 LMITED WARRANT VicusaccnnGucnwuacn ass 18 Introduction 1 This instruction manual describes the stationary chuck H010D standard model 2 Please read this manual carefully and fully understand the procedures for installation operation inspection and maintenance before operating the chuck 3 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 Always keep this manual handy and use care not to lose it 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 as HOWA MACHINERY LTD INDUSTRIAL EQUIPMENT GROUP MACHINERY DIVISION 1900 1 SUKAGUCHI KIYOSU AICHI 452 8601 JAPAN Phone International access code 81 052
48. 6 Specifications 6 1 Specifications Specifications 6 Jaw movement Dia mm Recommended outside mm chucking diameter for standard soft jaws Max pressure MPa Clamping force at Max input kN force Total jaw force mm Extend cm Retract cm Effective piston area Piston stroke Max mm Weight with standard soft 17 6 3 Standard Soft Jaws The following table shows the dimensions of standard soft jaws OO J1 J8 7 J6 J10 xq 5 9 J11 J3 J9 Serration pitch J2 6 4 Accessories The package box contains the accessories besides the chuck itself Hex key spanner Plug Eyebolt 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
49. bystanders 3 5 2 When Gripping Work piece NOTE When gripping the work piece with the chuck be careful not to get any part of your body caught between the top jaws and the work piece or between the work piece and the machine The operator s hand may be injured ANSI B11 6 1984 prescribes installation of a shielding cover guard so that no part of the operator s body can be caught between a part of the chuck and the surface of the work piece when the space in between exceeds 1 4 inch with the jaws fully opened 3 5 3 During Cutting Operations NOTE In any of the following cases the tool impact on initial cutting contact may result in an unexpected cutting force in excess of chuck work holding capacity The back end of the work piece is away from the chuck s stopper face The rotating center of the work piece is not aligned with the chuck center The work piece is a casting or forging part having a projecting gate or burr This may in machining cause severe personal injury or death to the operator or bystanders If this situation is possible begin tool contact with the work piece initially during a low rpm test run Never operate the cylinder selector valve while the spindle is rotating Otherwise the gripped work piece may come off and fly out ANSI B11 6 1984 prescribes the installation of a safety circuit to nullify opening or closing of the chuck during machining
50. the chuck face part Be careful not to incline the ring l preventing inclination of the plug Ss to the chuck face The operator must AE caution The operator must en take care not to A CAUTION take care not to coo Raza pinch his her hand when gripping the pinch his her hand when gripping the L D forming plug If caught his her hand forming ring If caught his her hand will be injured will be injured 4 Form d part where the work piece is Form d part where the work piece held keeping the plug as above od is held keeping the ring as above mentioned Diameter d should be mentioned Diameter d should be formed in the same diameter as the Emms formed in the same diameter as the gripping diameter of the work piece gripping diameter of the work piece approx allowance H7 and its surface approx allowance h6 and its surface ti finish should be better than 1 6a TFF TEF 0 finish should be better than 1 6a i A finished surface with a higher precision A finished surface with a higher precision will be obtained if the formed plug is re will be obtained if the formed ring is re gripped before the final finish forming gripped before the final finish forming 5 After finished forming of top jaws grip After finished forming of top jaws grip the work piece and make sure that required jaw stroke and gripping accuracy are obtained Chuck center line for Doy forming D
51. the hydraulic pressure and 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 stationary chuck 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 Recommended oil types are Daphne Super Multi Oil 32 Shell Tellus Oil 32 Diamond Lub RO 32 Esso Teresso 32 Mobil DTE Light CAUTION 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 cylinder 3 Precautions For Use 3 1 Selecting Top Jaws The chuck is equipped with a set of standard soft top jaws We are ready to prepare standard hardened jaws and special top jaws as optional accessories at your request If necessary place an order your from nearest Howa representative We disclaim all the warranties and responsibility for accidents caused by use of the top jaws not prepared by Howa AA WARNING For all the chuck parts including consumables place an order with Howa Machinery Ltd Howa shall not be liable for any accidents caused by use of parts not
52. 408 1254 Facsimile International access code 81 052 409 3766 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 cm2 lt Force 1kN 101 97kgf Torque 1N m 0 10197kgf m Safety Information 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 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 result in minor injury or machine damage Ay CAUTION There are many hazardous situations that may occur during operation inspection and maintenance of the chuck used under various circumstances We cannot predict all of these hazards Accordingly the warning messages described in this manual do not cover all the hazardous situations Also there are too many things that are impossible or prohibited in chuck operation to desc
53. A WARNING supplied to the cylinder If not supplied or not sufficient the work piece could slip out and fly off as the cutting starts and may cause severe injury or death to the operator and or bystanders Z O m ANSI B11 6 1984 prescribes installation of an interlock circuit for preventing rotation or an audible or visible warning system activated when the required pressure is not supplied to the cylinder gripping side To make sure that there will be no interference of the top jaws or stopper with the turret or tools do a test run cycle at low spindle speed without work gripping Perform a test run at low speed before cutting to verify that the top jaws or the stopper does not interfere with the turret or tools Should there in fact be interference the resulting sharp collision AA WARNING may cause the top jaws or the stopper to fly off which may lead to severe injury or death to the operator and or bystanders 11 To comply with ANSI B11 6 1984 section 4 3 2 you need to install a check valve and an accumulator in the connecting area with the chuck so that the hydraulic or pneumatic system does not loose pressure in case of failure Besides check valve and accumulator it is essential to install a shielding cover that separates the chuck and work piece from the operator or bystanders Without such a cover the work piece chips or tool fragments will fly out causing severe injury or death to the operator and or
54. RNING Never lift the chuck using the jaw nut while the base plate is attached Lifting items weighing more than the chuck will reduce its precision and performance Never lift items weighing more than the chuck Under extreme conditions the chuck could be broken and drop off 2 4 Installing Procedure 2 4 1 Before Installation After taking the chuck out of the package box wipe off all anticorrosive oil clinging to it with a cloth permeated with cleaning oil 5 2 4 2 Installing Chuck Make sure that the rear end of the cylinder body is smooth and free of burrs before mounting the chuck to the base plate Secure the chuck to the base plate using the chuck installing bolts For the torque to be applied to the chuck installing bolt refer to Table 2 Table 2 Tightening torque Nm 2 4 3 Supply of the pneumatic or hydraulic pressure Connect the pneumatic or hydraulic piping to the pressure supply ports Fig 2 The pressure supply and the opening and closing operation of the top jaws are shown in Table 3 Table 3 Pressure movement Operation of direction of supply port piston body top jaws A Backward B Forward 2 4 4 Compressed air To ensure sufficient gripping force when the stationary chuck is using compressed air the pneumatic system must include a compressor with sufficient capacity to operate the piston body at the required speed and have the appropriate piping diameters and air regulator The ne
55. cessary supply of compressed air is obtained by following calculation Q The necessary supply of compressed air L MIN A N R q The air consumption which the 1 round trip of the piston body takes sssrrrsrerrrrerererss L A N R t The processing cycle time The time from the clamping to the removal of the workpiece after machining min P The operating air pressure er MPa N The number of the stationary chucks to use at the same time Piece Single use Multiple use Q 10 Q Nx F 10 Ex Single use of HO10D6 From the specification table Extend side of effective piston area mm 267 7cm Retract side of effective piston area 278 7cm When the jaw stroke is operated to its maximum range Piston body stroke Steele Sie ele RE WR ee tee RRR RE 15mm 1 5cm Compressed air to USA coc tee eee ee 0 54MPa The processing cycle time sassnonsnnnsnnasnnnsanasonana 2min 0 54 0 1013 1 q 267 7 x1 5 278 7 x1 5 x 0 1013 1000 5 2 From the formula 10 12 6 L min AN R The O ring component of the piston body will experience premature wear if it is not supplied with clean lubricated compressed air The degree of the filter of the filtration use equal to or less than 5 um and the lubricating oil species use one corresponding to ISO VG32 6 2 4 5 Hydraulic Oil When using this stationary chuck in
56. ece Insufficient pressure Increase pressure to the set level Top jaws do not match the work piece diameter Correct top jaws forming in right way Excessive cutting force Calculate the cutting force to see if it matches the specification of chuck Insufficient lubrication at master jaws and sliding parts Chuck runs out Supply grease from grease nipples and open close the top jaws a few times while no work piece is gripped Check peripheral and end face run out and retighten bolts Stopper end face runs out Correct the run out stopper end face Dust has entered the master jaws or serration of top jaws Remove top jaws clean serration part thoroughly to remove dust Jaws fastening bolts are not tightened securely Fasten bolts sufficiently but not too much Jaws are not formed properly Confirm if the forming plug or the forming ring is in parallel with chuck s end face and if the forming plug or the forming ring is not deformed by gripping force Also check forming pressure and jaws surface roughness Jaws are deformed or jaws fastening bolts are extended due to excessive jaws height Lower the height of jaws as much as possible Excessive jaws height may reduce the service life of the chuck Work piece is deformed due to excessive gripping force 16 Reduce the gripping force to a reasonable amount to assure proper machining
57. end to reduce the coefficient of friction between the jaws and the work piece The ability of the jaws to hold the work piece will depend upon the work piece itself A larger diameter heavier work piece for example will exert greater force against the jaws of the chuck and therefore will more easily overcome the gripping capability of the jaws of the chuck Improper maintenance in the form of dirt rust improper or inadequate lubrication will also diminish the ability of the chuck to hold a work piece Finally the manner in which the work piece is machined in the lathe or machining center will determine the precise forces exerted on the work piece and therefore on the jaws of the chuck and may overcome the ability of the jaws to hold the work piece It is therefore absolutely required that the ability of the jaws of the chuck to hold the work piece be reviewed with each new set up or job and periodically during the course of a long job Machine operations of the lathe which produce forces sufficient to overcome the gripping force of the jaws of this chuck will cause the work piece to fly out which in turn may cause severe injury or death to the operator or bystanders 4 3 Parts List Chuck body Parts Name Hex socket head bolt Pilot plate Hex socket head bolt Plug Hex socket head bolt Wedge plunger Screw Draw screw Set screw Dust proofer A Set screw Draw stud Grease nipple R
58. f the work piece is not perfectly round the top jaws should be of a swivel type that allows the gripping force to be applied equally at six positions We assume no responsibility for any accidents caused by use of top jaws manufactured without our approval 3 5 Precautions for Operation We are the chuck manufacturer and are not responsible for the safe operation of the combined chuck and lathe or machining center into which the chuck is installed There exist numerous rules and guides for overall safe operation among the most respected is ANSI B11 6 1984 Nonetheless while reference may be made to ANSI and or specifications mere mechanical compliance with ANSI and or other standards does not ensure safety All standards should be considered only as elements of an overall safety consideration and when considered alone constitute only minimum standards What follows is a partial enumeration of universal precautions which should be taken in the normal course of operation Particular steps beyond or in addition to those which will be discussed below must be determined by the individual user after a complete review of all aspects of the work to be done AA WARNING A failure to guard the machine as whole may lead to serious injury or death to the operator or bystanders 3 5 1 Before Gripping Work piece Before beginning operations check to be sure that the pneumatic or hydraulic pressure needed to operate the chuck is being A
59. he top jaws are not secured no matter how far in the bolts are screwed In either case if the screw depth is improper the jaws and or work piece may fly off from the chuck and in machining may cause severe personal injury or death to the operator or bystanders 3 3 Forming Top Jaws Fig 5 When the top jaws are installed they must be machine formed to align GOOD NO GOOD flush with the work piece When the work piece is gripped the jaw stroke 2 Fa ree od should be such that there is one fourth of the jaw stroke remaining as a pak measured from the stroke end Ae an Thus if you are gripping the outside diameter OD of the work piece with the jaws one fourth of the inside stroke should remain while you are gripping the inside diameter ID with the jaws the remaining portion oer ales Soe of the stroke should be on the outside refer to Fig 5 it iin A The cylinder pressure when the top jaws are formed should be the same al as when the work piece is actually being cut A Pete See Fig 6 for the specific steps for forming the top jaws Do not grip near the end of the jaw stroke Forged or molded work pieces have surface irregularity as far as they are not machined The chuck may not be able to grip such a work piece in a stable state Gripping a forged or molded work piece not machined near the end of the jaw stroke wil
60. l cause insufficient gripping force and the application of the tool to the work piece may cause the work piece to slip out of the jaws and fly off This may cause severe personal injury or death to the operator or bystanders Fig 6 OD gripping ID gripping 1 Prepare a formed plug Prepare a formed ring a o 3 3 2 Open the master jaws to the limit by Close the master Jaws to the limit by D operating the hydraulic or pneumatic D operating the hydraulic or pneumatic circuit f k circuit Then form D part where the plug is Then form D part where the ring is held Diameter D is given by following EY held Diameter D is given by following EEN the work piece and make sure that required jaw stroke and gripping accuracy are obtained jand KES HH fff T tk ee EE Pit thy d diameter of plu d diameter of rin l D d lt D d nae ia stroke x 0 75 i D dd gt dD2 od SBW stroke x 0 75 3 Operate the hydraulic or pneumatic Operate the hydraulic or pneumatic d circuit and grip the formed plug at D d circuit and grip the formed ring at D part pushing it to
61. lts may become loose or damaged resulting in coming off or flying out of the parts or the work piece The table below shows the bolt sizes and their tightening torque Tightening torque Bolt size M6 M8 M10 M12 M14 Tightening torque N m 12 1 29 4 57 9 101 128 2 Lubricate the chuck periodically Failure to lubricate the chuck may remarkably shorten the lifetime of the chuck Lubricate the chuck once in eight hours of operation However when using a large amount of water soluble coolant lubricate once in four hours Recommended oil MOLYKOTE EP GREASE supplied from Dow Corning Corporation lt For all the chuck parts including consumables place an order with gt Howa Machinery Ltd Howa shall not be liable for any accidents caused by use of parts not supplied from Howa Any and all warranties are invalid unless only Howa s genuine parts are used Use eyebolts when mounting or removing the chuck Otherwise you may drop the chuck or suffer from lumbar injury due to excessive load Minimize surge pressure when using hydraulics If a pressure reducing valve with poor regulating response is used to set the hydraulic source pressure a large pressure surge could cause the cylinder to malfunction or be damaged Take steps to ensure that surge pressure is minimized NOTE The words of gripping force and clamping force are used as a synonym in this instruction manual Both words mean total force of cla
62. mping each jaw in a chuck 3 1 Construction and Operation 1 1 Model Coding The stationary chuck H010D is model coded as follows H010D Size No 6 8 10 This stationary chuck consists of a standard HO1MA chuck that is used as the base for the chuck section that has been modified to be stationary and a 200 stationary cylinder Because of this H01MAL has been engraved in the chuck body The designs of Model H010D and Model H01MA are shown in Table 1 Table 1 Model H010D Stationary chuck Device Configuration Model Names in Chuck Section Device Configuration Engraved Chuck Body Type 0696S95090 H010D6 H01MA6 H010D8 H01MA8 200 Stationary Cylinder H010D10 H01MA10 1 2 Construction and Operation The stationary chuck is comprised of a chuck section and a cylinder section The chuck uses pneumatic or hydraulic pressure to open and close the top jaws On the chuck section a dust proofer B is attached to the guide section of the master jaw so that chips cannot easily enter into the chuck even when it is installed vertically The cylinder section is the dedicated cylinder for the stationary chuck Chuck part consists of a chuck body a wedge plunger and master jaws The wedge plunger and master
63. on with non specified lubricants may also permit extraordinary corrosion and or wear and will lead to a loss of gripping force WARNING The operator and or bystanders may be seriously injured or killed if improper lubricants are used Improper lubricants may reduce gripping force of the chuck and permit work pieces to fly out of the chuck WARNING Failure to use an anticorrosive coolant can cause rust build up inside the chuck that increases friction This causes serious injury or death to the operator and or bystanders as well as damage to the machine AA WARNING 13 4 2 Disassembly and Cleaning Even with proper lubrication fine chips or scale can enter the chuck to jam the area of the jaw guide or wedge plunger thus preventing smooth operation Disassembly and cleaning must be done on a regular basis every 1000 hours When doing so inspect carefully for parts wear and breakage replacing as necessary AA WARNING If the chuck interior becomes jammed with chips the gripping force will decrease or the jaw stroke will become short If cutting is performed under such a condition the work piece may be disengaged from the chuck causing severe injury or death to the operator and or bystanders Disassembling Procedure 9 Move the piston body to the front edge so that the top jaw goes into its opened configuration Remove the top jaw and the jaw nut Remove the plug Remove the chuck installing bolts at the ch
64. ound nut Set screw 1 2 3 4 5 6 7 8 9 Spring Connector Steel ball Cylinder body Master jaw Guide sleeve Dust proofer B Piston body Soft top jaw Cylinder cover Jaw nut Guide bar Ul 100 C amp Hex socket head bolt JIS B2401 P75 55 es hes se CS nel ot alee 2x eee Hex socket head bolt JIS B2401 P75 JIS B2401 P75 N JIS B2401 P65 JIS B2401 P65 JIS B2401 P65 JIS B2401 P185 JIS B2401 P185 JIS B2401 P185 JIS B2401 P12 JIS B2401 P12 JIS B2401 P12 AS 568 170 AS 568 170 AS 568 170 AS 568 046 AS 568 046 15 AS 568 046 5 Troubleshooting When there are any troubles with the operation of the chuck the following causes are likely Please check these before contacting us for service Trouble Chuck does not operate Insufficient master jaws stroke Work piece slips Poor accuracy Possible cause Damaged parts on chuck Recommended remedy Disassemble and repair Seizure of sliding contact part Disassemble and repair with oilstone or replace Cylinder inoperative Chips accumulated inside Insufficient top jaws stroke heavily Check the piping line If no problem is detected disassemble and clean the cylinder Disassemble and clean Adjust so that top jaws come near the center of the stroke when they grip the work pi
65. ribe completely in this manual We cannot assume any responsibility for any damage or accidents caused through operation inspection or maintenance that is not specified in this manual 1 Safety Precautions The following precautions apply to handling maintenance and operation of the chuck Read and understand them carefully before use 4A DANGER lt Never operate the cylinder selector valve while the spindle is rotating gt Otherwise the gripped work piece may come off and fly out Never put any part of your body inside the spindle cover while the spindle is rotating Otherwise you may be caught in the rotating elements Route the solenoid valves so that the chuck keeps clamping the work piece even if the power is interrupted Otherwise the gripped work piece may come off and fly out Keep the pneumatic or hydraulic pressure constant while the chuck is gripping the work piece There is no internal check valve in the H011D chuck so it will lose its gripping force when the pneumatic or hydraulic pressure is not on This loss of gripping force may cause the work piece to fly off Turn off the power before installing inspecting or servicing the chuck Otherwise you may be caught in the rotating elements Do not exceed maximum operating pressure This may cause the stationary chuck to be damaged or the work piece to fly off Securely tighten the bolts with the specified torque Otherwise the bo
66. ropping the chuck Instead break open the box and screw eyebolts into the jaw nuts Then use a chain block to lift the chuck A CAUTION Use the eyebolt when installing or removing the chuck You may drop the chuck or suffer from lumbar injury due to excessive load Position the chuck horizontally before lifting The chuck must remain level during lifting If the chuck is lifted at an Ay CAUTION angle the jaw nut attached to the eye bolt may come out of the guide section and cause the chuck to be dropped Never lift more than the weight of the chuck Never lift the chuck with other items Using the jaw nuts to lift the chuck with more than its own weight will adversely affect the precision and function of the chuck Ay CAUTION 2 2 Accessories The package box contains the accessories besides the chuck itself Please refer to the section 6 4 Accessories for particulars 2 3 Preparations for Installation A bracket or base plate is required for securing this chuck when it is fixed mounted to a machining center drilling or milling machine Be sure to prepare one appropriate for the machine the chuck will be installed on Hydraulic and pneumatic power are required for operating the chuck A WARNING The securing bracket or base plate used must match the chuck and the equipment it is to be mounted to If the rigidity and strength are insufficient the whole chuck will move and cause the work piece to fly off 4A WA
67. term use under conditions of maximum force is not recommended To maintain long term gripping precision one must keep sufficient work holding force in relation to the cutting force and with adjustment for sufficient but not excessive gripping force the most effective performance will be achieved AA WARNING The use of excessive maximum pneumatic or hydraulic pressure will lead to breakage of chuck parts or bolts and sudden loss or gripping force If such a mishap takes place while machining the work piece may fly oft causing severe injury or death to the operator or bystanders AA WARNING In the case of ID gripping ensure that the use pressure does not exceed half of the maximum pressure If pressure that exceeds half of the allowable value is applied to the chuck the chuck parts or bolts will be broken and the gripping force will be lost instantaneously If such an accident occurs during machining the top jaws or the work piece will come off causing severe injury or death to the operator or bystanders 10 3 4 2 Work Deformation When a work piece tends to be easily deformed lowering the gripping force can minimize the deformation However lowering the gripping force requires special care as lowering the gripping force may make it more difficult to securely hold the work piece To take better measures against deformation design the jaw configuration as if the jaws wrap the work piece Also when the outside diameter o
68. uck body Insert the Hex key spanner into the hole on the pilot plate and turn the draw screw in the counterclockwise direction The chuck body is slowly moving forward and then separate the draw screw form the connector to remove the chuck section from the cylinder section Remove the pilot plate Hex socket head bolt the wedge plunger and detach the master jaw Remove the chuck part and detach the piston body at the cylinder part Remove the mounting bolts and detach the cylinder cover Use the M8 extraction bolt tap holes provided at three locations in the cylinder cover Slowly and evenly screw the M8 jack bolts in the three locations and lift up the cylinder cover Remove the guide bar and piston body from the cylinder body Reassembly While reassembly is performed in reverse sequence of the Fig 10 disassembly care must be taken about the threading position of the draw screw An error in this adjustment will reduce the jaw movement While the cylinder is in this position adjust by tightening the draw screw until the circumference of the master jaw matches the circumference of the chuck body Aside from damage to the chuck the chuck will be able to maintain a constant gripping force upon a work piece assuming that the hydraulic or pneumatic operating pressures do not change However the ability of the chuck to hold a work piece will deteriorate with wear and tear on the surfaces of the jaws of the chuck which will t
69. w remains can be loosened with cleaning oil brushed vigorously then blown off by compressed air NOTE When a serration is damaged it is similar to when dirt clings to the serration the top jaw is not seated properly causing poor accuracy When the damage is noticed a whetstone and file should be used to repair it 2 The top jaws engage with the serration on the master jaws and the arrangement is secured with the jaw nuts and bolts This construction is adjustable only within a certain range for the top jaws and master jaws Adjust the top jaw position between the minimum and the maximum dimensions indicated by O in the table of dimensions see 6 2 When this O dimension is taken for maximum the peripheral surfaces of the master jaws and jaw nuts virtually coincide Do not use top jaw out of the adjustable range If the top jaws are installed in the radial direction outside of the adjustable range the master jaws or jaw nuts will break making the top jaws and or work piece come off in some instances This may in machining cause severe personal injury or death to the operator or bystanders 3 After determining the installing position secure the top jaws to the master jaws using the jaw nut and bolt Use the fastening torque for the bolts as indicated in Table 4
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