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6. Trouble shooting

Most of jack troubles arise from improper lubrication, inappropriate selection, and misalignment. Please use the
following trouble shooting table when investigating problems.

Table 6. Trouble shooting

Trouble

Cause

Action

Gear Housing

Failure

1. Over load

2. Improper support

3. Shock

・

Reduce the load or replace with a unit of sufficient capacity.

・

Install the jack to a robust base and align proplerly.

・

Provide a shock absorbing device.

Input

Shaft

Failure

1. Improper centering

2. Excessive overhung load

3. Overload

4. Impact load

5. Excessive input

・

Tube coupling may cause shaft failure. Please use flexible

coupling.

・

Re-align as mentioned in installation page.

・

Check the catalog for allowable loads and adjust.

・

See Gear Housing Failure #1.

・

Provide a safety device to avoid possible impact loads.

・

Set the input power to be less than the allowable input torque

in the catalog or replace it with a larger unit.

・

When several jacks are connected in series, there is a

limitation on the input shaft of the first jack due to the axia

strength. If the current value exceeds the catalog value, reduce

the load or change the jack to one with a larger capacity

Bearing

Failure

1. Overload

2. Excessive overhung load

3. Coupling misalignment

4. Coupling axial adjustment

5. Abnormal force to

worm wheel bearings

6. Improper lubrication

7. Impact load

・

See Gear Case Housing #1.

・

See Input Shaft Failure #2.

・

See Input Shaft Failure #1.

・

Although the specified pressure has been applied to the

bearing, the input shaft can be rotated freely when no load is

connected. If the rotation is heavy, some force may be

applied to the input shaft in the axial direction. Remove the

force.

・

See #5 (Maintenance and inspection) of this manual.

・

See Input Shaft Failure #4.

Abnormal wear of

travel nut/

worm wheel

1. overload

2. Improper lubrication

3. Improper

adjustment/installation

・

See Gear Housing Failure #1.

・

See Bearing Failure #6.

・

Set the load so that it will be applied onto the same axis as the

screw shaft.

Ball nut damage,

abnormal wear

1. Overload

2. Improper

adjustment/installation

3. Improper lubrication

4. Inappropriate sizing

・

See Gear Housing Failure #1.

・

Set the load so that it will be applied onto the same axis as the

screw shaft.

・

See Bearing Failure #6.

・

Check the catalog for relationship between life and load.

Shaft failure,

Abnormal abration,

abnormal noise

1. Overload

2. Improper

adjustment/installation

3. Side load

4. Improper lubrication

・

See Gear Housing Failure #1.

・

See Ball Nut Failure #2.

・

Provide a guide to avoid side loads

・

See Bearing Failure #6.

Gear Housing

overheat

(over 80

℃

)

1. Overload

2. Improper lubrication

3. Improper centering

・

See Gear Housing Failure #1.

・

See Bearing Failure #6.

・

See Input Shaft Failure #1.

・

See Shaft Failure #3.

Содержание LINIPOWER

Страница 1: ... engineers only Before using the LINIPOWER JACK you must read and understand the entire contents of this instruction manual Units described herein are SI Gravitational Figure in is for reference TSUBAKIMOTO CHAIN CO NOTICE In the case of special specification it might be partially different from this instruction manual Refer to the attached final drawing for sections The final drawing of standard ...

Страница 2: ...elevated object to fall or cause unstable parts to move suddenly Do not use the jack with a motor or electrical accessories in a combustible atmosphere This may resulf in an explosion or fire When using the jack with equipment for fransporting personnal or lifting equipment protective devices should be installed to prevent accidents if the jack should break or fall When using the jack for lifting ...

Страница 3: ...ds or side loads Any trouble caused by modeifications to the product by the customer is not covered by warranty and Tsubaki can not be considered liable for such damage Thank you for purchasing TSUBAKI LINIPOWER JACK To make best use of it proper installation operation and maintenance is required This manual contains such information and should be carefully read in order to maintain the performanc...

Страница 4: ...ipt 2 Transportation 3 Installation 4 Operation 5 Maintenance and inspection 6 Trouble shooting 7 Basic drawing 8 Option 1 Counter LS unit 2 Position detect unit 3 Specification of each position detector 4 Motor 5 Gear motor 9 Warranty ...

Страница 5: ...same as those you ordered ２ Check that the nuts and bolts on the unit have not loosened Consult the distributor you purchased the product from if you encounter a problem In case you find product defects please contact your distributor or our sales office with the description of following body nameplate Please check TYPE MFG No and DRAWING No of the nameplate when inquiring so that we can support s...

Страница 6: ... is exceeded the shaft may disengage from the unit or fail to function Screw shafts of JWB Ball Screw Type and JWH High Lead Ball Screw Type rotate and drop by its own weight The same is true for the traveling nut of JWB and JWH Travel nut type Provide anti rotation measure to prevent the screw shaft and traveling nut from rotating at the time of installation 5 For JWB Ball Screw Type and JWH High...

Страница 7: ...he end fitting configuration dimensional drawing 3 In atmospheres with a lot of vibration or temperatures higher than the operating temperature range use dowel pins instead of set screws 12 The jack s thrusting force may cause the screw shaft nut in the case of travel nut type to rotate in which case a rotation prevention is required When operating with the shaft end unconnected or pulling the rop...

Страница 8: ... has self locking feature vibration and shock may affect its efficiency in which case a brake unit is required JWB and JWH must have brake units that over power their holding torque because of their extremely high efficiencies 8 Never approach or touch the rotary parts input shaft etc or the screw during operation 5 Maintenance and inspection 1 The jack is shipped prepacked with grease Recommended...

Страница 9: ... for jacks JWB010 JWH010 and below In case of the made to order type confirm with the final drawing grease nipple might not be same as above 4 Inspect regularly for general backlash and screw unit condition Jack life and replacement timing are determined by the following JWM Backlash in the direction of screw shaft and nut hits 1 4 of the screw pitch JWB JWH Visible particles due to wear and tear ...

Страница 10: ...axial adjustment 5 Abnormal force to worm wheel bearings 6 Improper lubrication 7 Impact load See Gear Case Housing 1 See Input Shaft Failure 2 See Input Shaft Failure 1 Although the specified pressure has been applied to the bearing the input shaft can be rotated freely when no load is connected If the rotation is heavy some force may be applied to the input shaft in the axial direction Remove th...

Страница 11: ...rt Qty 1 Gear housing 1 2 Gear housing cover 1 3 Input shaft cover 2 4 Screw shaft 1 5 Input shaft worm 1 6 Worm wheel 1 7 Screw cover 1 8 Bush 1 9 Bearing 2 10 Bearing 2 11 Oil seal 2 12 Shim 13 Snap ring 2 14 Adaptor 1 15 End fitting 1 16 Travel flange 1 17 Blank cap 1 18 Guide key 1 19 Guide nut 1 20 Grease nipple 1 21 Hex socket bolt 22 Hex socket set screw 23 Spring pin 24 Hex socket plug 7 B...

Страница 12: ... Gear housing 1 2 Gear housing cover 1 3 Input shaft cover 2 4 Screw shaft 1 5 Input shaft worm 1 6 Worm wheel 1 7 Screw cover 1 8 Bush 1 9 Bearing 2 10 Bearing 2 11 Oil seal 2 12 Shim 13 Snap ring 2 14 Adaptor 1 15 End fitting 1 16 Travel flange 1 17 Blank cap 1 18 Ball nut 1 19 Stopper plate 1 20 Guide nut 1 21 Grease nipple 2 22 Hex socket bolt 23 Hex socket set screw 24 Spring pin 25 Hex socke...

Страница 13: ...ffects should be performed 4 Use a cable of the same gauge dia as the connector of the counter LS unit Using a cable that is too thin or inserting discreet wires will render the waterproof feature of the unit ineffective 5 If wiring is performed in an area where the counter LS unit may get wet from rain or other sources make sure that no water gets inside the unit causing it to malfunction Setting...

Страница 16: ... cam strongly after fixing it by the set of screws Otherwise built in reducer can brake Connection 1 Use the terminal block in the unit for the connection to each detector Connection of each detector to terminal block is previously completed 2 In case of long distance wiring signal loss can get worse 3 Make sure to ground the shield wire of the detector unit and signal 4 Locate the signal and powe...

Страница 17: ...14 Wiring side by customer Caution The back of terminal has printed board It is wired as broken line Pre wired by Tsubaki Pre wired side Terminal ...

Страница 18: ...cam is stopped by the reverse limit microswitch by screw contraction and nut reversal 3 Be aware that the momentum of the jack will prevent it from stopping immediately when the microswitch is activated and that there will be a slight amount of overrunning Take this into consideration and adjust the microswitch activation position to point slightly in front of where you actually want the jack to s...

Страница 19: ...utput signal can be obtained when connected to a pull up resistor Output voltage for signal 1 and 2 H is supply voltage 1 V or more L is 1V or less Reference for pull up resistance DC 5V 220Ω DC12V 470Ω DC24V 1kΩ 4 Rotary encoder is a precision instrument Never apply vibration or shock 5 Use shield wire for wiring of rotary encoder Potentiometer Specification Terminal Type CP 30 Maker Sakae Total ...

Страница 20: ...17 Output wave form Signal 1 Signal 2 Signal 3 Forward Output circuit ...

Страница 21: ...er they are not loose 4 Grounding After installation of the Linipower Jack ground the motor Earth work in class 3 or higher Table 2 Motor terminal box Motor capacity Connector configuration Applicable cable diameter Connector mounting part Size of ground terminal 0 2 to 0 4 kW SK 14L φ11 to φ13 G1 2 M4 0 75 to 1 5 kW A20c φ14 to φ15 G3 4 M4 2 2 to 2 3 kW A25c φ19 to φ20 G1 M4 Connector connection ...

Страница 22: ...19 ...

Страница 23: ...act site If separate DC wiring is required please contact us Special Type may require a different wiring Please refer to the drawing Brake 0 2 to 0 4 kW It is usually sufficient to monitor the operational status of the brake on your own but please be aware of the following The brake lining becomes worn because of the force of friction between the brake plate and the lining It is necessary to chang...

Страница 24: ... brake is released manually without turning on the brake power Never apply any load to the screw shaft when manually releasing it 1 Loosen the 2 nuts until they come in contact with the head of the bolt 2 By screwing the 2 bolts in evenly the tip of the bolt will make contact with the armature causing it to suddenly become heavy and thus releasing the brake Note Forcefully screwing in the bolts ma...

Страница 25: ...ing and tightening the adjustable nuts may damage to the nuts and lose locking effect Note Before tightening the adjustable nuts insert the hexagon socket screw key into the hexagon socket of the guide bolt so that the guide bolt may not come loose by rotating together Replace with a new adjustable nut if the adjustable nut is removed or repeatedly tightened and loosened Size 0 75kW M5 P0 8 1 5 2 ...

Страница 26: ...tion is approx 45 Note Do not tighten the bolts forcefully Otherwise the armature may deform and bolts or female screws at cover may be damaged which will lead to brake failure 3 In the above operation the lining is released from the armature and brake plate allowing the braking force to be removed However the braking force is not removed depending on the individuality In that case tighten the bol...

Страница 27: ...ear 1 Brake structure 2 Brake inspection and gap adjustment It is necessary to adjust the gap when the thickness of lining and gap reach limit otherwise brake will be not able to function well Depending on usage condition the lining and gap may reach to limit Lining limit as following Brake gap and lining limit Yoke Stud bolts Hub Coil Liner Silencer fitting Spring Distance collar O ring Armature ...

Страница 28: ... and the armature Note In case of separate the yoke and the armature the brake spring and O ring will comes out It is difficult to reassemble Note Attached brake release screw M8X70L is not available to fix Yoke and Armature 2 Remove the hexagon nut and pull the yoke Note The yoke has wire connection with motor please handle carefully not to damage the wire Brake gap Bolt holes for manual release ...

Страница 29: ...xagon bolts M8X50 5 Check the gap at several points along the circumference and all in range of specified value The yoke and the armature should be installed parallel position After adjusting the gap apply power and make sure the brake function correctly When the gap is too small between Armature Brake plate and Lining each parts contact and make noise during rotation 6 Fix the brake cover Note Be...

Страница 30: ...the bolts another 90 after it becomes heavy brake will be released Note Do not tighten the bolts too much Otherwise the armature may deform and bolts or female screws at cover may be damaged which will lead to break failure 4 When setting back to regular braking condition remove the bolts for manual release M8X70L When these steps are completed make sure works normally with motor Note Securely tig...

Страница 31: ... an inverter Use a conductance and a resistance in between contacts of a Magnetic Contact to protect it For 25 Watt Gear Motor Resistance 10 to 200Ω 1 4Watt and larger Conductance 0 1 to 0 33μＦ AC125WV and larger For 40 Watt Gear Motor Resistance 10 to 200Ω 1 4Watt and larger Conductance 0 1 to 0 33μＦ AC250WV and larger The travel screw of the standard jack and keyed machine screw jack moves in th...

Страница 32: ...e of made to order product please confirm the final drawing the connection might not be same The travel screw of the standard jack and keyed machine screw jack moves in the direction of the arrow shown in the picture to the left picture and wired as shown below The traveling nut moves in the same direction as the travel screw If two of the wires among white gray and black are changed the travel sc...

Страница 33: ...to the manual release holes 20 and screw them in When the screws or bolts begin to tighten screw a further 1 3 to 1 2 rotation The brake gap is now roughly zero and the brake is released A fan 11 of range 0 2kw to 0 75kW has been installed If one of the holes 20 is hidden by the fan insert the M5 screw and slightly release the brake Then gently move the fan by hand and insert the other screw After...

Страница 34: ...ust the gap by slightly enlarging it Note In case of turning U Nut at first put hexagonal Allen wrench into hexagon socket of guide bolt not to turn together with U Nut then turn U Nut otherwise guide bolt may loosen due to turning together with U Nut Replace the U nut if it has been removed or repeatedly loosened and tightened when replacing size M5 P0 8 When replacing completely remove any greas...

Страница 35: ...failing to follow the instruction manual 2 Insufficient maintenance or improper operation by the Buyer 3 Incorrect installation of Goods into other equipment or machines 4 Structure change of the Goods by any modifications or alterations by the Buyer 5 Any repair by engineers other than the Seller or those designated by the Seller 6 Operation in inappropriate environment not specified in the manua...

Страница 36: ...表示该有害物质至少在该部件的某一均质材料中的含量超出 GB T 26572 规定的限量要求 Show that the concentration of the hazardous substance exceed the concentration limits specified in GB T 26572 零部件名称 Part Name 有害有毒物质或者元素 HazardousSubstancesorElements 铅 Pb 汞 Hg 镉 Cd 六价铬 Cr Ⅵ 多溴联苯 PBB 多溴二苯醚 PBDE 蜗轮 Worm wheel 梯形丝杆螺母 Trapezoidal threaded nut 滑脂嘴 Grease nipple 计数器LS箱体 Counter LS case 位置检测装置 Position Detecting Unit 电动机 Motor 本表格依据SJ T 113...

Страница 37: ... U S Tsubaki Power Transmission LLC https www ustsubaki com Taiwan Tsubakimoto Co https tsubakimoto com tw Tsubaki of Canada Limited http tsubaki ca Tsubakimoto Chain Shanghai Co Ltd http tsubaki cn Tsubaki Australia Pty Limited http tsubaki com au Tsubakimoto Europe B V https tsubaki eu Tsubakimoto U K Ltd https tsubaki eu Tsubakimoto Korea Co Ltd http tsubakimoto tck co kr ...

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