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OPERATION AND MAINTENANCE MANUAL

MAC-HS MOTORS

PAGE: 62

CODE: CTT32 EDITION: 04 RELEASE: SEPTEMBER 2020

Subject to technical changes without prior notice

6.5.2

Mechanical faults

Fault

Probable cause

Corrective action

Rubbing noise

Rotating parts are rubbing together

Determine the cause and readjust the parts

Foreign bodies in the motor

If so, repair by manufacturer

Damage to bearings

Change bearings

Excessive radial

vibrations

Rotor imbalance

Uncouple rotor and rebalance it

Non-concentric rotor, shaft bent

Contact factory

Non-concurrent shaft alignment

Align motor-machine system.

Imbalance on coupled machine

Rebalance coupled machine

Vibrations transmitted by gear

Correct gear

Resonance with foundations

Reinforce foundations after checking with factory

Changes to foundations

Determine cause and eliminate it. Realign machine

Excessive axial

vibrations

Faulty angular alignment

Align group of machines and check alignment

Blows transmitted by coupled machine

Examine coupled machine

Vibrations transmitted by gear

Correct gear

Resonance with foundations

Reinforce foundations after checking with factory

Changes to foundations

Determine cause and eliminate it. Realign machine

Table 31: Mechanical faults

Содержание MAC-HS 100

Страница 1: ...OPERATION AND MAINTENANCE MANUAL MAC HS MOTORS...

Страница 2: ...______________________________ 16 3 3 4 Cooling Methods___________________________________________________________________________ 17 3 3 5 Vibration grade_____________________________________________...

Страница 3: ...__________________________________________________________________________ 35 4 2 Reception ____________________________________________________________________________________ 35 4 3 Transport_______...

Страница 4: ...bearings ____________________________________________________________________ 54 6 3 Replacing the encoder __________________________________________________________________________ 57 6 3 1 Solid sh...

Страница 5: ...nts given on the motor nameplate and in this document 1 2 Target readership and purpose The purpose of the operation manual is to provide all the information required for the appropriate mounting comm...

Страница 6: ...may be material damages NB The result may be an unwanted condition or situation if the corresponding safety instruction is not observed If several hazard levels are present at the same time the most s...

Страница 7: ...reviously approved by VASCAT Proper and safe operation of the products requires their proper transportation storage installation mounting assembly operation and maintenance Allowed ambient conditions...

Страница 8: ...e The data given in this manual is reviewed regularly and subsequent editions are published when corrections are necessary 1 7 Scope of the documentation and external references The manual contains al...

Страница 9: ...OPERATION AND MAINTENANCE MANUAL MAC HS MOTORS PAGE 9 CODE CTT32 EDITION 04 RELEASE SEPTEMBER 2020 Subject to technical changes without prior notice 2 DECLARATIONS OF CONFORMITY...

Страница 10: ...OPERATION AND MAINTENANCE MANUAL MAC HS MOTORS PAGE 10 CODE CTT32 EDITION 04 RELEASE SEPTEMBER 2020 Subject to technical changes without prior notice...

Страница 11: ...OPERATION AND MAINTENANCE MANUAL MAC HS MOTORS PAGE 11 CODE CTT32 EDITION 04 RELEASE SEPTEMBER 2020 Subject to technical changes without prior notice...

Страница 12: ...hermal protection According to the IEC EN 60034 11 standard PTC140 and Pt100 probes on stator winding and Pt100 on the bearings other sensors optional Installation altitude According to the IEC EN 600...

Страница 13: ...g IEC EN 60034 7 Classification of construction types IEC EN 60034 8 Terminal markings and direction of rotation IEC EN 60034 9 Noise limits IEC EN 60034 11 Thermal protection IEC EN 60034 14 Mechanic...

Страница 14: ...e summarised in the table below apply to MAC HS motors Duty Description Definition S1 Continuous duty Operation under constant load for a time duration enough to reach thermal balance S2 Short time du...

Страница 15: ...lange through holes IM V3 IM3031 With flange shaft up through holes IM B6 IM1051 Foot mounting on vertical plane shaft left IM V5 IM1011 Foot mounting on vertical plane shaft down IM B7 IM1061 Foot mo...

Страница 16: ...th fingers Protection against the penetration of solid foreign bodies with a diameter of more than 12mm 2 Protection against drops of water falling at an angle of up to 15 from the vertical axis 3 Pro...

Страница 17: ...he motor by a separately excited fan motor The inlet side may be equipped with an air filter IC16 IC1A6 Circulation via pipe or duct Cooling medium is supplied by external part IC17 IC1A7 Single pipe...

Страница 18: ...requirements and Grade B machines with special vibration requirements The table below shows the limits of maximum vibration magnitude in displacement velocity and acceleration RMS for shaft height H...

Страница 19: ...t Factor OF Up Ua Impulse Risetime A Benign OF 1 1 0 3 s B Moderate 1 1 OF 1 5 C Severe 1 5 OF 2 0 D Extreme 2 0 OF 2 5 Table 10 Phase to ground stress categories 3 3 8 Heating limits The IEC60034 1 i...

Страница 20: ...ION 04 RELEASE SEPTEMBER 2020 Subject to technical changes without prior notice b A thermal class lower than the insulation class This would be the case of a motor built with Class H insulation 180 C...

Страница 21: ...os Description Pos Description 1 Motor type 2 No of poles 3 Serial No 4 Year of manufacture 5 Rated power PN kW 6 Rated torque MN Nm 7 Rated voltage UN V 8 Rated frequency FN Hz 9 Rated current IN A 1...

Страница 22: ...speed 225 250 Shaft height mm L Defines the rated motor speed Table 13 MAC HS motor codes 3 5 2 Ambient conditions In their standard version MAC HS motors are not suitable for working in saline or cor...

Страница 23: ...not work in continuous service S1 but rather in an S2 Short time duty type a multiplication factor must be applied K2 to the torque and power specified on the nameplate S1 Service to determine the to...

Страница 24: ...nal optional optional IM V5 V6 IM 1011 IM 1031 optional optional optional optional optional IM V18 V19 IM 3611 IM 3631 optional optional optional optional optional Table 15 Available construction type...

Страница 25: ...ooling Method The table below summarises the available cooling methods for the MAC HS motors COOLING EN60034 6 PROTECTION IC06 IP23 IC16 IP23 IC17 IP23 Table 17 cooling types available for MAC HS moto...

Страница 26: ...19600 1279 MAC HS 225 D E High speed hybrid spindle bearing 3000 20000 19600 1279 N D E High speed hybrid spindle bearing 3000 20000 19600 1279 MAC HS 250 D E High speed hybrid spindle bearing 3000 2...

Страница 27: ...using NMN sandwich type paper Nomex Mylar Nomex The outer parts of the sandwich Nomex are fibres whereas the core Mylar is a plastic film of polyethylene terephthalate Special care is also taken with...

Страница 28: ...as described in the following graph from technical specification TS 60034 25 of the IEC Voltage impulse isolation class Admissible operation voltage peak to peak Phase Phase C Phase Ground B IVIC C B...

Страница 29: ...for the bigger ones It is a solid state device whose resistance varies significantly with temperature and provides a Contact Open OFF Contact Closed ON type logical signal depending on whether or not...

Страница 30: ...de the following linear probes 1xPt100 on the winding and 2xPt100 one on each bearing which would monitor the operating temperature at all times Alternatively KTY84 130 probe can be also installed on...

Страница 31: ...s can be installed in the following positions Motor Shaft height Circulation direction No fan units Standard position Optional positions MAC HS4 100 132 160 S M Blowing 1 Top Side MAC HS4 MAC HS2 160...

Страница 32: ...y voltage 5 10 30 5 Output logic RS422 TTL Line driver Push Pull HTL Sin Cos 1Vpp Output voltage High level Low level 2 5 V VDC 3 V 0 5 V 2 8 V Max output frequency 300 kHz 300 kHz 450 kHz Load capaci...

Страница 33: ...que flange assembly As an option motors in the MAC HS series can be adapted for the direct assembly of a torque flange or torque meter The assembly type is adapted according to each customer s specifi...

Страница 34: ...ed at different places on the motor according to each customer s requirements The following figure shows one possible setup Figure 8 Accelerometer provision 3 8 5 Noise level The technical data sheets...

Страница 35: ...Please check with VASCAT for more details of each shipment 4 2 Reception When the goods have been received the customer is responsible for checking that the packaging has not been damaged and is in pe...

Страница 36: ...eyebolts have been fitted on the top of the housing exclusively for said purpose Therefore do not lift the motor using the shaft or the fan casing under any circumstances To lift the machine use guide...

Страница 37: ...y place the following measures must be adopted Cover the machine using a plastic film or similar with a drying material silica gel inside Package the unit in a sealed box Place several bags of drying...

Страница 38: ...The exterior surface of the motors can reach temperatures of more than 60 C and therefore the appropriate precautions must be taken to avoid accidental contact the motor bears a plate indicating said...

Страница 39: ...sts perfectly on a solid base Make sure that the base is capable of supporting the weight of the motor without problem If the base were to go out of shape over time the motor may not be level which wo...

Страница 40: ...he correct service life of the motor Clean carefully the shaft surface before mounting the coupling PRECAUTION Damages to the motor bearings Prevent solvent from entering the interior of the bearings...

Страница 41: ...es to the motor bearings If the motor shaft is knocked the bearings may be damaged If belts are used for the transmission of the torque or a gear with radial load make sure that the admissible radial...

Страница 42: ...ered safe by VASCAT are as follows Parameters Reference values Recommended measurement voltage 500 V Minimum insulation resistance with new or repaired windings 60 M Table 23 Insulation reference valu...

Страница 43: ...4Nm 120x120x45 MAC HS 132 M8 8Nm 180x180x60 MAC HS 160 M12 20Nm 300x300x120 MAC HS 200 M12 bars 40Nm 380x380x210 MAC HS 225 M12 bars 40Nm 460x460x250 MAC HS 250 M12 bars 40Nm 460x460x250 Table 24 Sta...

Страница 44: ...to Trasero NDE Bearing PT100 Rodamiento Polea DE Bearing PT100 DE PT100 NDE Pt100 1 Pt100 1 PTC PARES APRIETE REGLETA BOARD M6 M8 M12 M16 TIGHTENING TORQUES PAR TORQUE 4Nm 8Nm 20Nm 40Nm Figure 11 Moto...

Страница 45: ...sions of the MAC HS motors are as follows 2R1 White 3R1 White 1R2 Red 1R2 Red 2R2 Red 2R2 Red 3R2 Red 3R2 Red Pt 100 1 THERMAL PROBES SONDAS T RMICAS Pt 100 2 DE Polea Pt100 3 NDE Trasero PTC TP1 Whit...

Страница 46: ...tions As shown in the above figure the power cable screen must be connected on both sides motor and converter The screen connections must be made bearing in mind that they must cover a wide surface of...

Страница 47: ...he screen connected to the terminal box using a clamp Figure 16 Recommended connections in the terminal box The earth protection conductor must be connected to the terminal indicated for said function...

Страница 48: ...the interior of the terminal box 5 2 5 Final checks Before closing the terminal box check that The electric connections in the terminal box are fastened tight in accordance with the above and the fas...

Страница 49: ...equipotential connections have been made correctly The electrical connections are tightly bolted All the power cables and their respective shields are correctly connected The other cables cables from...

Страница 50: ...ing precaution to avoid accidental contact with the rotating parts Proceed as follows to start up the motor 1 Start up the drive auto tuning procedure so that it can recognise the motor see drive docu...

Страница 51: ...he cooling system in operation as long as necessary to bring the windings below 80 C PRECAUTION Damages to the motor bearings To avoid the premature wear and tear of the grease in the bearings they mu...

Страница 52: ...be applied in any way 6 2 Maintenance operations and frequency Activities Service intervals and terms Basic inspection Every 500 service hours or at least every 6 months Cleaning of the fan and air fi...

Страница 53: ...maintenance operations recommended by VASCAT are as follows 6 2 2 Cleaning of the fan and air filter It is important to keep the fan wheel as clean as possible To do so apply compressed air to its sur...

Страница 54: ...he originals must be installed Standard bearings for each motor type may be consulted on the test sheet provided to the customer with the motor The procedure for replacing bearings must be carried out...

Страница 55: ...ges without prior notice 5 Use an eye bolt to remove the rotor from the interior of the stator taking care not to damage the windings Figure 18 Replacing bearings on MAC HS motors step 5 6 Put the rot...

Страница 56: ...new pair of bearings to 70 C to make them dilate and easier to insert in the shaft 10 Insert the new bearings in the axle taking into account their positioning as regards each other same as the previo...

Страница 57: ...placing the encoder The procedure for replacing the encoder must be carried out as follows depending on the type 6 3 1 Solid shaft encoder 1 Remove the protection a 2 Loosen the elastic coupling b tha...

Страница 58: ...e 6 4 Original spares VASCAT supplies subunits of the full motor as original spares for MAC HS motors The spare subunits that are available are listed in the following table Spares Subunits 1 Stator s...

Страница 59: ...n must be provided 1 Motor type by default MAC 2 Standard HS 3 Size in reference to shaft height 4 Length S M L P or X These initial 4 points refer to the name of the motor and are summarised in the f...

Страница 60: ...circuit between turns or phase short circuit on stator winding Check the elements of each winding phase milliohmmeter and the insulation elements between phases and between phases and earth using a m...

Страница 61: ...air Overheating with load Excessive load Reduce load Converter output voltage too high frequency too low Check adjustments on frequency converter and perform auto tuning Power connection problems Che...

Страница 62: ...ent Contact factory Non concurrent shaft alignment Align motor machine system Imbalance on coupled machine Rebalance coupled machine Vibrations transmitted by gear Correct gear Resonance with foundati...

Страница 63: ...ect to technical changes without prior notice 6 6 Technical support and service For more information or specific technical support please contact VASCAT S A P I Mas les Vinyes C De l Esquirol s n Apar...

Страница 64: ...P CTT 32 ED 04...

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