background image

24

Power Chuck

6. Troubleshooting

6. 

故障和对策

6. 고장 및 대책

If the chuck malfunctions, stop the lather and 
try the following countermeasures.

척 사용 중 이상발생시 아래와 같은 점을 재확
인하시고 당사에 연락을 주시면 친절히 설명하
여 드리겠습니다.

使用夹头时,若发生如下异常,请采取如
下对策后与我公司联系, 我公司将亲切地
说明给您。

문제점 / Trouble / 

问题

원인 / Cause / 

原因

대책 / Action / 

对策

척이 작동하지 않음

Chuck does not operate

夹头不启动

척 부품이 파손되어 있다.
The inside of the chuck is broken.

夹头配件损坏

분해 후 교환한다.
Disassemble and replace part.

拆下来更换

습동부가 늘어붙어 있다.
Slide way seizes.

seized. 滑动部粘着。

분해 후 늘어붙은 부위를 제거 수정 및 교환한다.
Disassemble and repair damaged part with oilstone or 
replace it.

拆开,除去并更换粘着的部位。

마스터죠의 스트로크 부족

Insufficient master jaw stroke

基爪行程不夠

칩(Chip)이 내부에 많이 들어가 있다.
Too much sward in chuck.

里面有过多的芯片。

분해 청소를 한다.
Disassemble and clean.

拆开清扫。

공작물의 이탈

Workpiece slippage

加工产品被用出去

마스터죠의 스트로크가 부족하다.
Insufficient master jaw stroke.

基爪的行程不足。

공작물을 파악할 때 마스터죠가 스트로크의 중앙 부근에 있
도록 한다.
Position master jaw so that it is in stroke center when 
workpiece is gripped.

基爪的行程不足。夹持加工产品时, 使基爪位于行程
的中 央部分。

구리스 주입(급유)이 안되어 소착현상이
발생 되었다.
Seizure occured. Because of
doing not to grease.

由于没有润滑油,造成烧结.

구리스를 주입하고 5~10분간 척을 작동시켜 윤활시켜준다.
Grease chuck and operate it for 5 to 10 minutes.

注入润滑油,操作卡盘5~10分钟使其润滑.

정도불량

Poor accuracy

精密度不够

파악력이 부족하다.
Insufficient clamping force.

夹持力不够

설정유압으로 되어 있는지 확인한다.
Check that hydraulic pressure adequately set.

检查液压设定是否正确。

탑죠의 성형된 지름이 공작물 지름과 잘 맞
지 않는다.
Formed dia. of top jaw does not match 
workpiece dia.

顶爪的成型直径与加工产品的直径不符

정확한 성형방법에 기초해서 재성형한다.
Reform top jaw according to correct method.

请按照正确的成型方法再次成型。

절삭력이 지나치게 높다.
Cutting force is too high.

切割力过高

절삭력을 계산하고 척의 사양에 맞는지를 확인한다.
Calculate cutting force and reduce it up to chuck speci-
fications.

计算切割力,确认切割力是否符合夹头的技术参数

Summary of Contents for RTC

Page 1: ...k Instruction Manual Please read and understandDANGER WARN ING items in this maunal before operating the Chuck Please keep this manual by your side for answers to any questions you may have and to che...

Page 2: ......

Page 3: ...to the symbol which emphasizes important information Warning term DANGER WARNING CAUTION IMPORTANT Indicates an imminently hazardous situation which if not avoided will result in death or serious inj...

Page 4: ...4 Power Chuck 1 2 2 1 2 2 3 3 1 3 2 3 3 3 4 4 5 5 1 5 2 6 7 8 9 7 11 11 11 12 12 13 15 16 17 22 22 23 24 26 27 28...

Page 5: ...The manufacture and installation of table 3 2 Installation of the air system 3 3 The operation of the air unit 3 4 Test run 4 Precautions 5 Maintenance and inspection 5 1 Lubrication 5 2 Disassembling...

Page 6: ...6 Power Chuck 1 2 2 1 2 2 3 3 1 3 2 3 3 Air Unit 3 4 4 5 5 1 5 2 6 7 8 9 7 11 11 11 12 12 13 15 16 17 21 21 22 23 25 26 27...

Page 7: ...n Danger by catching operator in a machine Danger by discharge of clamped workpiece during spindle rotation Danger by discharge of chuck or workpiece After spindle should be stopped please open the do...

Page 8: ...y chuck 3 Pitch Danger by discharge of workpiece related with lowering gripping force caused by unsufficint lubrication If the pirch is different the accuracy will be affected and the chuck will be da...

Page 9: ...nger by operation fault and lowering judgement Stick out T nuts invites danger of workpiece flying out due to a fall of bindng strength between master jaw and top jaw WARNING Danger by catching in a m...

Page 10: ...iece make sure your hand is out of gripping area Never hammer chuck jaws or gripped workpiece Danger by dropping Danger by discharge of chuck or workpiece in case of damaging of chuck Danger or finger...

Page 11: ...ws protrude so as to engage the T slot to be at an angle in relation to the rotational center of the chuck body When the wedge plunger is drawn to the rear the master jaws are pulled toward the center...

Page 12: ...Fig 2 The accuracy will be affected due to the runout of the outer diameter of table flatness so that when install the RTC chuck the flatness of table and the runout of outer diameter should adjust u...

Page 13: ...ING WARNING WARNING Bolt Size Tightening Torque M8 38 2N m 3 9kgf m M10 72 6N m 7 4kgf m M12 106 8N m 1 3kgf m Fig 3 3 2 3 2 3 2 Installation of the air system Air unit Control valve Chuck Tighten chu...

Page 14: ...1 2 3 4 5 6 WARNING WARNING Tighten the mounting screws of the chuck with specified torque See page 13 If tightening torque is insufficient or too much the accident will be caused WARNING Bracket 1mm...

Page 15: ...der to prevent pressure drop and flow rate reduction any bend or crush of the tube can obstruct the air flow the redundant tube design should be considered 7 Air unit should be near by the chuck if po...

Page 16: ...romagnetic valve manual valve is normal 5 Adjust the air pressure to 7kgf cm2 0 7Mpa then check if there is leakage 3 4 3 4 3 4 Test run Adjust the air pressure to 2kgf cm2 0 2Mpa for test run then ch...

Page 17: ...ws the air pressure should be lower than when standard top jaws used 7 Lubricating the chuck is very important bad lubrication will cause insufficient gripping force and abnormal abrasion 8 The max pr...

Page 18: ...nger If the bolt protrudes from the T nut bottom the top jaw is not fixed even if the mounting bolt is tightened Also the jaw or workpiece discharges thus resulting in danger consequently the overall...

Page 19: ...pinch his her hand when gripping the forming plug If caught his her hand will be injured Ring Prepare a formed ring ring d D d x 0 75 Close the master Jaws to the limit by operating the hydraulic or p...

Page 20: ...gripping accuracy are obtained d h6 1 6a Form d part where the work piece is held keeping the ring as abovemen tioned Diameter d should be formed in the same diameter as the gripping diameter of the...

Page 21: ...amage and the danger of workpiece scattering 2 While clamping the irregular workpiece the setting pressure should be depended on the top jaw condition Furthermore it should be tested on cutting before...

Page 22: ...nd affects gripping accuracy and causes wear and seizure Consequently securely lubricate the chuck After machining clean the chuck body and slideway with air gun etc Use rust prevention coolant oil so...

Page 23: ...of the seal cover and remove the seal cover 3 Loosen the screws of the back plate and remove the back plate 4 Remove the distributor 5 Remove the piston plate 6 Loosen the screws of the cover and remo...

Page 24: ...oo much sward in chuck Disassemble and clean Workpiece slippage Insufficient master jaw stroke Position master jaw so that it is in stroke center when workpiece is gripped Seizure occured Because of d...

Page 25: ...ly tightened Remove top jaw and clean serrations thoroughly Tighten bolts to correct torque Forming of top jaw is inadequate Check that forming plug is parallel to chuck end face and plug is not defor...

Page 26: ...t jaws kgf RTC 110 11 3 5 2 0 7 7 7 5 100 8 7 3 RTC 160 11 5 5 2 0 7 7 21 0 72 20 22 0 RTC 210 13 7 6 3 0 7 7 33 0 50 30 27 7 RTC 260 13 6 6 3 0 7 7 48 0 50 43 42 5 Type A B C D E F G H I J K L M N O...

Page 27: ...d bolt 3 19 Hex Socket head bolt 6 No Name Q ty 20 Hex Socket counter sink bolt 6 21 Hex Socket counter sink bolt 1 22 PT PT Plug PT 4 23 ROTO ROTO Grid Ring 3 24 O Ring O 3 25 O Ring O 2 26 O Ring O...

Page 28: ...28 Power Chuck 9 Accessories 9 9 mm Type Tightening Bolt Wrench RTC 110 M6x95L M2 M4 M5 M6 RTC 160 M8x105L M2 M4 M5 M6 M8 RTC 210 M8x125L M2 5 M4 M5 M6 M10 RTC 260 M10x130L M2 5 M4 M5 M6 M8 M10...

Page 29: ......

Page 30: ......

Page 31: ......

Page 32: ...te st e d P ro d u kt io n u b er w ac h t B au ar t g ep ru ft s ISO 9001 2008 R T C Power Chuck RTC Instruction Manual RTC Samchully Machinery 405 820 99 TEL 82 32 822 4811 FAX 82 32 822 4377 405 8...

Reviews: