HOWA MACHINERY H3EF Instruction Manual Download Page 6

-4- 

1.

.構造

構造

構造

構造と

と作動

作動

作動

作動 

 

1.1

1.1

1.1

1.1     形番表示

形番表示

形番表示

形番表示 

高速 3 爪ドローダウンチャックは次のように分類されます。 

 

        H3EF 

        H3EF 

        H3EF 

        H3EF         

       

       

           

   

   

    A

A       

       

       

            

....

    

JIS 規格主軸端番号 

記号なし:

:ストレートインロ付き(標準仕様) 

                :

:アダプタ付き 

                主軸端番号:5,6,8 

サイズ番号:

:6,8 

 

 

 

1.2

1.2

1.2

1.2     構造

構造

構造

構造と

と作動

作動

作動

作動    

高速3爪ドローダウンチャックは大きく分けてチャックボデー,

ドローバおよびドロースリーブより構成されています。 

ドローバは,チャックボデーの回転中心に対して傾斜した穴に

挿入されています。ドローバの後方はT形の形状となっており,

この切欠き溝でドロースリーブとかみ合っています。 

ドロースリーブが後方へ引かれると,ドローバはくさび作用に

よりトップジョーを介してワークをチャック端面に引き付けて

把握します。 

なお,このチャックは内径把握はできません。 

 

 

 

 

 

 

 

 

2.

.取付

取付

取付

取付け

け方法

方法

方法

方法    

2.1 

2.1 

2.1 

2.1  開

開   

   

   

    梱

梱    

チャックを梱包箱から取出します。8インチのチャックは重量が20kg 以上あります。腰をいためたり,落してけ

がをする恐れがありますから,手で動かしたり持ち上げたりせず箱を壊して付属のアイボルトをチャック外周のね

じ穴にねじこみ,チェンブロックなどを用いて吊り上げてください。 

 

 

 

 

 

注意

注意

注意

注意    

この取扱説明書の中では,トップジョーが付いている側を前,ドロースクリュが付いている側を後

とします。 

チャックの

チャックの

チャックの

チャックの取付

取付

取付

取付け

け,

,取外

取外

取外

取外しの

しの

しの

しの時

時はアイボルトを

はアイボルトを

はアイボルトを

はアイボルトを使用

使用

使用

使用すること

すること

すること

すること。

。    

(6

6インチは

インチは

インチは

インチは吊

吊りベルト

りベルト

りベルト

りベルト,

,8

8インチは

インチは

インチは

インチはアイボルトを

アイボルトを

アイボルトを

アイボルトを使用

使用

使用

使用)

)    

手を滑らしてチャックを落したり腰をいためたりする恐れがあります。

 

図 1 

 

 

注意

注意

注意

注意

 

Summary of Contents for H3EF

Page 1: ...F H3EF H3EF INSTRUCTION MANUAL HOWA MACHINERY LTD IMPORTANT Be sure to read and understand this instruction manual thoroughly before operating this product Please save this manual When ownership of th...

Page 2: ...5 2 5 5 2 5 1 5 2 5 2 5 2 5 3 6 2 5 4 7 2 5 5 8 8 3 1 8 3 2 9 3 3 10 3 4 12 3 5 12 3 5 1 12 3 5 2 13 3 6 13 3 6 1 13 3 6 2 14 3 6 3 14 3 6 4 15 16 4 1 16 4 2 17 4 2 1 17 4 2 2 17 4 3 18 4 4 19 20 21...

Page 3: ...1 H3EF 3 CE CE CE CE 452 8601 1900 1 TEL 052 408 1254 FAX 052 409 3766 6 1MPa 10 197kgf cm2 1kN 101 97kgf 1N m 0 10197kgf m...

Page 4: ...2 M6 M8 M10 M12 M16 N m 12 1 29 4 57 9 101 161...

Page 5: ...3 8 1 4 1 EP...

Page 6: ...4 1 1 1 1 1 1 1 1 3 H3EF H3EF H3EF H3EF JIS 8 1 2 1 2 1 2 1 2 3 T 2 1 2 1 2 1 2 1 kg 1...

Page 7: ...5 2 2 2 2 2 2 2 2 6 5 2 3 2 3 2 3 2 3 H3EF A 2 4 2 4 2 4 2 4 2 5 2 5 2 5 2 5 2 5 1 2 5 1 2 5 1 2 5 1 2 5 2 2 5 2 2 5 2 2 5 2 C 0 040 0 050 3 2...

Page 8: ...6 2 5 3 2 5 3 2 5 3 2 5 3 8 6 1 1 mm 40 47 5 M16 2 20 2 5 H9 12 16 M2 31 37 M3 46 54 4 Re Re Re Re Re 1 Re 1 5...

Page 9: ...7 2 2 6 8 T I R mm 0 020 T I R mm 0 020 3 3 M12 M16 N m 101 161 6 5mm 2 5 4 2 5 4 2 5 4 2 5 4 6...

Page 10: ...8 2 5 5 2 5 5 2 5 5 2 5 5 JIS B0905 1992 4mm s 4 JIS B0905 1992 ISO1940 1 1986 ISO8821 1989 4 6 8 g 2 3 3 1 3 1 3 1 3 1 J2 7...

Page 11: ...9 3 3 3 3 5 5 5 6 8 M10 M12 L1 mm 20 24 mm 15 19 mm 10 11 N m 57 9 101 5 8 9 10...

Page 12: ...10 3 3 3 3 3 3 3 3 1 4 1 4 12 11...

Page 13: ...11 14 7 6 6 8 S1 0 2 0 mm 58 80 S4 mm 22 32 S6 M8 M8 13 4 7 6 8 S1 0 2 0 mm 58 80 S2 mm 49 64 S3 mm 35 45 S4 mm 22 32 S5 mm 10 18 14 6 M8 M8 12 d 13 6 0 5MPa d d H7 1 6a...

Page 14: ...12 3 4 3 4 3 4 3 4 3 5 3 5 3 5 3 5 VDI No 3106 VDI No 3106 VDI No 3106 3 5 1 3 5 1 3 5 1 3 5 1 6 3 6 3 6 3 6 3...

Page 15: ...13 3 5 2 3 5 2 3 5 2 3 5 2 6 3 6 3 6 3 6 3 6 ANSI B11 6 ANSI 3 6 1 3 6 1 3 6 1 3 6 1 ANSI B11 6 ANSI B11 6 ANSI B11 6 ANSI B11 6 1984 1984 1984 1984 15 6 3 1 20...

Page 16: ...B11 6 ANSI B11 6 ANSI B11 6 ANSI B11 6 1984 1984 1984 1984 1 4 1 4 1 4 1 4 mm mm mm mm 3 6 3 3 6 3 3 6 3 3 6 3 ANSI B11 6 ANSI B11 6 ANSI B11 6 ANSI B11 6 1984 section 4 3 2 1984 section 4 3 2 1984 se...

Page 17: ...11 6 ANSI B11 6 ANSI B11 6 ANSI B11 6 1984 1984 1984 1984 ANSI B11 6 ANSI B11 6 ANSI B11 6 ANSI B11 6 1984 1984 1984 1984 ANSI B11 6 ANSI B11 6 ANSI B11 6 ANSI B11 6 1984 1984 1984 1984 3 6 4 3 6 4 3...

Page 18: ...16 4 1 4 1 4 1 4 1 EP 8 1 4 1 EP 100 0004 1 5 1 23F TEL 0120 77 6278 FAX 03 3287 1203 17...

Page 19: ...17 4 2 4 2 4 2 4 2 1000 4 2 1 4 2 1 4 2 1 4 2 1 M4 90 M4 90 4 2 2 4 2 2 4 2 2 4 2 2 18...

Page 20: ...18 4 4 4 4 4 4 4 4 ANSI B11 6 1984 section 7 1 9...

Page 21: ...19 4 5 4 5 4 5 4 5 No No 1 1 15 3 2 1 16 1 3 1 17 3 4 1 18 3 5 1 19 3 6 1 20 1 7 1 21 1 8 1 22 1 9 1 23 1 10 3 24 1 11 3 25 1 12 3 26 1 13 3 6 1 14 3...

Page 22: ...20...

Page 23: ...21 6 1 6 1 6 1 6 1 EF 6 8 mm 5 2 5 2 mm 12 12 mm 100 130 1 mm 25 25 r min 7000 6000 kN 18 25 kN 62 86 kg m2 2 0 054 0 15 kg 16 30 115 115 HH64C MPa 2 0 2 8 4 GD2 3...

Page 24: ...M12 M16 H 18 22 J M16 2 M20 2 5 J1 32 40 J2 22 27 J6 32 42 J8 15 18 K1 23 28 K2 30 36 K3 16 18 K4 4 4 K5 2 5 3 2 K6 P9 P12 Max 47 5 55 L Min 35 5 43 M1 h9 14 8 19 8 M2 H7 35 50 Max 17 17 M3 Min 5 5 M4...

Page 25: ...23 6 3 6 3 6 3 6 3 6 4 6 4 6 4 6 4 6 8 J1 32 40 J2 22 27 J3 47 60 J4 12 16 J6 32 42 J8 0 15 15 18 J10 17 5 20 J11 11 13 5 J12 M10 M12 J13 17 22 J16 30 35 J19 k7 118 150 J20 5 5 H3EF6 H3EF8...

Page 26: ...24 6 5 6 5 6 5 6 5 6 8 M12 L 95 16 L 105 3 B 3 B 8 B 10 B 4 B 10 B 14 1 M10 1...

Page 27: ......

Page 28: ...ing Top Jaws 9 3 3 Forming Top Jaws 10 3 4 Installing Stopper 12 3 5 Setting Working Conditions 12 3 5 1Permissible Cylinder Force 12 3 5 2Work Deformation 13 3 6 Precautions for Operation 13 3 6 1Bef...

Page 29: ...0197kgf 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...

Page 30: ...f your body inside the spindle cover while the spindle is rotating Otherwise you may be caught in the rotating elements Route solenoid valves so that the chuck keeps clamping the work piece even if th...

Page 31: ...chuck periodically Failure to lubricate the chuck may remarkably shorten the lifetime of the chuck For all the chuck parts including consumables place an order with Howa Machinery Ltd Howa shall not b...

Page 32: ...drawn backward the draw bars pass through the top jaws with a wedging operation The work piece is pulled toward the chuck edge and gripped This chuck cannot grip the inside diameter of the work piece...

Page 33: ...cording to the chuck plunger draw sleeve stroke adjust the draw screw so that the draw sleeve contacts the back plate of the chuck 2 5 Installing Procedure 2 5 1 Before Installation After taking the c...

Page 34: ...t the Hex key spanner equipped from the front side of the chuck and check to see whether the draw screw can be turned 5 Hoist the chuck with the chain block and screw in the draw screw into the connec...

Page 35: ...n Operational resistance develops when there is some abnormality in the installation procedure If the chuck is used without removal of the resistance parts seizure or abnormal wear may occur causing m...

Page 36: ...o 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 t...

Page 37: ...m 57 9 101 Fig 10 Use exact torque for fastening bolts If less torque is used than specified in Table 5 above the bolts may loosen in the top jaws and or the work piece could come off If the torque is...

Page 38: ...iameter of the work piece with the jaws one fourth of the inside stroke remains The cylinder pressure when the top jaws are formed should be the same as when the work piece is actually being cut See F...

Page 39: ...ure is inappropriate forming plug may rise up causing inferior accuracy Press the forming plug against the front face of the chuck and then grip it preventing the inclination of plug In this condition...

Page 40: ...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 ex...

Page 41: ...f 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...

Page 42: ...ol fragments will fly out causing severe injury or death to the operator and or bystanders When gripping the work piece with the chuck be careful not to get any part of your body caught between the to...

Page 43: ...nal injury may result if the operator mistakenly comes into contact with a spinning chuck whose top jaws or gripped work piece have irregular contours which are not readily visible while rotating A do...

Page 44: ...ditions the work piece will come off and may cause severe injury or death to the operator and or bystanders Lubrication with non specified lubricants may also permit extraordinary corrosion and or wea...

Page 45: ...mounting screw and then turn the draw bar 90 to CCW direction using hexagonal wrench In this condition the draw bar can be pulled out from the draw sleeve and chuck body 9 Remove the guide bar 10 Remo...

Page 46: ...orce 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 surfa...

Page 47: ...raw sleeve 1 18 Key 3 5 O ring 1 19 Hex socket head screw 3 6 Back plate 1 20 O ring 1 7 Round nut 1 21 Guide bar 1 8 Spring 1 22 Set screw 1 9 Steel ball 1 23 Draw stud 1 10 Top jaw Soft jaw 3 24 Set...

Page 48: ...the top jaws a few times while no work piece is gripped Work piece slips Excessive speed of revolutions Reduce the speed till the necessary gripping force is assured Chuck runs out Check peripheral an...

Page 49: ...6000 Max input force kN 18 25 Clamping force at Max input force Total jaw force kN 62 86 Moment of inertia J Note1 kg m 2 Note2 0 054 0 15 Weight with standard soft jaws kg 16 30 Matching cylinder Se...

Page 50: ...130 170 G M12 M16 H 18 22 J M16 2 M20 2 5 J1 32 40 J2 22 27 J6 32 42 J8 15 18 K1 23 28 K2 30 36 K3 16 18 K4 4 4 K5 2 5 3 2 K6 P9 P12 Max 47 5 55 L Min 35 5 43 M1 h9 14 8 19 8 M2 H7 35 50 Max 17 17 M3...

Page 51: ...lines indicating the claming force when the input force is lower than that of maximum Refer these diagrams in case that the lower input force is necessary in relation to the character of a work piece...

Page 52: ...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 so...

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