Nakanishi HTS1501 User manual

■Readthesecautionscarefullyandonlyuseinthemannerintended.
■Safetyinstructionsareintendedtoavoidpotentialhazardsthatcouldresultinpersonalinjuryor
damage to the device. Safety instructions are classified as follows in accordance with the
seriousnessoftherisk.
ThankyouforpurchasingtheUltra-Precision,High-SpeedAirTurbine,HTS1501S.HTS1501Swas
designedforuseonmachiningcenterswithoutrotatingthemachinesmainspindle.HTS1501Suses
an Ultra-precision collet system and is ideal for use with small diameter end mills in mold making
applications.TheAirLineKit(withLubricator)isusedtodriveHTS1501S.
PleasereadthisOperationManualcarefullypriortouse.
①              
②         
③             
④ !  !  "!! ! !    
!   !        #    

⑤ $  ! % &      '   ! 
    
⑥ $        
⑦
(   φ  ㎜ )     * ㎜       φ + ㎜
     
,     ! -!       
!    
$  *#
,        ! -!   
    !    
.
！
！
！
/ *0
. (1
/ *0
①The shank is taper type : BT30・BT40・BT50・HSK E25・HSK E32・HSK E40・HSK E50・
HSKA63・HSKF63・straight（M2040）
②Thespindle shousingismadeofprecision-groundstainlesssteel(SUS-416)
③Awideselectionofcolletchucksareavailabledependingonapplicationrequirements.
④Airdrivensystemgeneratesextremelylittleheat,evenaftermanyhoursofcontinuoususe.
⑤Designedforusewiththeattachmentoflessthanφ1.0㎜squareendmillorlessthanR0.5㎜Ball
endmill.
2 2
3-2 Dimensions
1 .    
Ultra-precision High-Speed Air Turbine Spindle
HTS1501S
OM-K0389E Rev.B
Replacethetoolsaccordingtothefollowingprocedure.
①Placetheprovided8㎜spanneronthespindleshafttofasten.
②Place the provided 11㎜ spanner on the
chuck nut, and turn it counterclockwise to
loosenthechuck.Andpulloutthetool.
(Thechucknutwillloosenbutthecolletwill
not release the tool after one turn, turn it
more,andthechuckwillopen.)
③Shortenthelengthofmax.toolmountingas
possiblewheninsertinganothertool.
④Turnthechuckclockwisetofastenthetool.
2
       )       # 
$                
           #     

！
. (1
Replace the chuck according to the following
procedure.
①Thechucknutisloosenedtogetherwiththetool
according to the4.Replacement of Tools
procedure above. And unscrew the chuck nut 
andremovethecolletandchucknut.
Thenremovethetoolfromthechuck.( 23 )
②Hold the chuck nut in one hand and push the
collet diagonally toward the spanner flat to
removethecolletfromthechucknut( 24 )
③Thenewchuckcanbeattachedbyinsertingthe
new chuck diagonally toward the spanner
flat( 24 )andpressingstraightdown.
８
５
Tool
ChuckNut
Loosen
Spindleshaft
23
24
SpannerFlat
Chuck
Diagonal
ColletNut
4 *  
5 *   #
①HTS1501S-BT30 ②HTS1501S-BT40 ④HTS1501S-M2040③HTS1501S-BT50
⑤HTS1501S-HSKE25 ⑥HTS1501S-HSKE32
49.5
φ
（9.9）
57
97
（40）
（14.7）
34
20
φ
17.5
44.5
φ
25
φ
11.8
φ
（9.9）
ＨＳＫ Ｅ２５
68
81
（13）
（14.7）
34
49.5
φ
17.5
44.5
φ
52
φ
25
φ
11.8
φ
49.5
φ
（9.9）
17.534
（65.4）

89.5
154.9（14.7）
63
φ
49.5
φ
44.5
φ
25
φ
11.8
φ
ＢＴ４０
49.5
φ
（9.9）

ＢＴ３０
82.5
130.9
（48.4）
（14.7）

34
46
φ
17.5
44.5
φ
25
φ
11.8
φ
49.5
φ
100
φ
（9.9）
17.5
34
（101.8）
98.5
200.3（14.7）
44.5
φ
25
φ
11.8
φ
49.5
φ
（9.9）
70
86
（16）
（14.7）
34
49.5
φ
17.5
44.5
φ
52
φ
25
φ
11.8
φ
ＢＴ５０
ＨＳＫ Ｅ３２
2 23 24 2+
2526
⑨HTS1501S-HSKA63 ⑩HTS1501S-HSKF63
HSKA63
49.5
φ
63
φ
52
φ
（9.9）
17.5
34
（32）
92
124
（14.7）
44.5
φ
25
φ
11.8
φ
49.5
φ
63
φ
52
φ
（9.9）
17.5
34
（25）92
117（14.7）
44.5
φ
25
φ
11.8
φ
HSKF63
227
282
⑦HTS1501S-HSKE40 ⑧HTS1501S-HSKE50
φ40
（9.9）
34 17.5
73.5 （20）
93.5
φ11.8
φ44.5
φ25
φ49.5
φ63
HSKE40
（14.7）

（14.7）

φ5 0
φ44.5
φ11.8
100.5
（25）75.5
17.534
（9.9）
ＨＳＫＥ５０
φ6 3
φ49.5
φ2 5
Motorspeed
AppropriateAirPressure
SpindleAccuracy
Tapertype

AirConsumption
Weight

StandardColletChuck(CHA-4.0)
AirInletHose
ToolsSizes
150,000min−１(0.5MPa)
0.5MPa(5.0kgf/cm2)
Within1μm
BT30・BT40・BT50・HSKE25・HSKE32・HSKE40・
HSKE50・HSKA63・HSKF63・StraightType（M2040）
90NR/min
1,030g(HTS1501S-BT30)
1,700g(HTS1501S-BT40)
φ4.0㎜
φ6.0㎜ (OD)×4m
Lessthanφ1.0㎜SquareEndMill
LessthanR0.5㎜BallEndMill
Lessthanφ4.0㎜Grindstone
９
５
８
11
！
. (1
① $       #    
② .#      !     
③ !   #       #    
   #       #     

④ $     #     
⑤   9 :  !    
              
   9 :
⑥ !      &  9 :' /    
          
⑦         $  %   
    
⑧  # !       
⑨               %    
           !   1   
;3         !  ! 
 %   .#      
⑩ .#    #    #
3  < 
3-1Specifications
・ColletChuckφ4.0 ㎜(provided)1pc.
・Spanner(8×5) 1pc.
・Airhosewithfilterjoint4m
・ChuckNut(provided)1pc.
・Spanner(11×9) 1pc.
・Operationmanual
StandardAccessories
ChuckNut
Loosen
Tighten
Spindle
Colletchuck(CHA-□□) 
Chucknut
φ0.5㎜-φ4.0㎜ineveryincrements,φ2.35㎜,φ3.175㎜
CHN-A
<Optional>
Tool

Partialdisconnectionofhoseorleakingconnection.
BrokenHose
Lowairfloworpressure
Noorlowoilsupply


Inclinedorvibratinglubricator

Excessiveoilinoilreservoir.

Excessiveoildriprate
Moistureintheoilreservoir.
Moistureintheairfilter.
Noairflow



Damagedmotorbearings
Contaminantsinsidethechuckorthespindle.
ColletNutisnotproperlypositioned
Cuttingtoolisbent
Ballbearingiswornout
Usethebenttool
GroundParticlesstuckinthecolletchuckor
spindle.
Ballbearingiswornout.

11 Troubleshooting
Whenthetroubleisfound,pleasecheckthefollowingpriortoconsultingyourdealer.
Trouble Cause Inspect/CorrectiveAction
Checkalljointsandre-tightensealconnections.
Replacethehose.
Checktheaircircuit.
Checktheoilvolumeintheoilreservoirandincreasethedriprate.When
using NAKANISHIs lubricator, adjust to 30-40 drops/min,1-3 drops/min
forotherlubricatorsthatsupplyoildirectlyintotheairhose.
Ifthelubricatorisinclinedorsubjecttovibration,alargevolumeofoilwill
flowandthespindlewillrotateirregularly.
Alargevolumeofoilwillflowandthespindlewillrotateirregularly.Drain
oiltotheappropriatevolumebylooseningthevalve.
Decreasedripratetostabilizemotorspeed.
Drainmoisturefromthelubricatorandreplaceoil.
Drainmoistureintheairfilter.
Check the regulator and set at the appropriate air pressure. Check all
hoseconnections.
Check air compressor power supply and air outlet. Check hoses for
leaks,bendsordisconnections.
SendtoNAKANISHIforRepair
Cleantheinsideofthechuckandthespindle.
Setthechuckthechucknutproperly
Replacecuttingtool.
SendtoNAKANISHIforRepair
Changethetool.
SendtoNAKANISHIforRepair



Low
Rotation
Speed
NoRotation
Excessive
Runout
Noiseor
vibration
during
rotation
13
6        
               
          !
！
"#"$
①AttachHTS1501Sintothequillofthemachiningcenter.
②Securetheairhosetoasuitableplaceonthemachiningcenterandcheckthatyouhaveallowed
enoughslackforthequillsfullrangeofmotion.
※Ifthemainspindleisrotatedbymistake,checktheairhoseandmachiningcenterfordamage.And
useitonlyaftertest-running.
7 % & #   ' ( )'*+,-
①ConnecttheFilterJointoftheAirIntakeHoseofHTS1501StotheHoseConnectorontheAir
LineKit.
②AttachtheotherendoftheAirIntakeHosetotheeasyconnectionjointontheHTS1501S.
③Filloil reservoir through theOil Filler Cap withrecommended NAKANISHI oil(liquid paraffin ISO
VG15)toupperlimitontheReservoir.DisconnectfromairsupplypriortoopeningOilFillerCap.
Donotoverorunderfill.
④AttachthehoseforairpipingtotheconnectorontheAirlinekit.
⑤Attachtheoppositesideofthehoseforairpipingtotheaircompressor.
⑥Supply air from the air compressor and turn  regulator knob clockwise(clockwise=high)to set air
pressurebetween0.5MPa.
⑦Run the motor at the proper pressure. Close the Oil Drip Rate Adjusting Screw by turning
clockwiseandthenturnOilDripRateAdjustingScrewcounterclockwisetoadjustdriprateto30-40
drops/min.(IfyourenotusinganNAKANISHIlubricator,adjustbetween1-3drops/min.)
⑧Aftersettingtheproperdroprateyouareallreadytousetheairmotor/spindle.
"("##   .  /! +0   .       .
    !     1           
.   ,* 
！
%2#3"
①  4   !  !     5    1
    6 ! .    "("##     5 
   !  ! 7    5    .    
    ! #  !      !  6
!   !  .   
② %5            
  8  / 71         5
#       /  71 !     
.
③ .       ' (   9 ' ( 3
7:
！
%   ' (
③AdjustingtheOilDripRate( ;< )
RunHTS1501Satthespecifiedairpressureandadjusttheoildrip
ratetotherecommendedratebyturningtheOilDripRateAdjusting
Screw.(About30to 40 drips/min) Turnthescrew counterclockwise
to increase the rate and clockwise to decrease. When using non-
NAKANISHIlubricator,adjusttheoildripratetoabout1-3drips/min.

④RemoveOilandMoistureRegularly( ;= )
Remove and replace the oil in the Reservoir once a month, to
ensureapureoilsourceforthemotor.Moisturemaycollectandmix
withtheoilintheReservoiranddamagethemotor.OpentheDrain
Valveatthebottomofthereservoirbyturningitcounterclockwise.

⑤Oil
LiquidparaffinISOVG15isrecommended.
Increase
Decrease
OilFiller
OilReservoir
DrainValve
9 %  %
①Thepropersurfacespeedforvitrifiedgrindstonesis600-1,800m/min.
10  2  %
HTS1501 is designed to prevent coolant from entering the motor/spindle by using the air used for
driving the turbine as an air purge. Never spray coolant directly on the HTS1501S main body,
because coolant may enter the motor/spindle. Coolant or foreign particle contamination of the
spindle,sinternalcomponentswilldramaticallyshortenbearinglife.
②Do not exceed 13㎜ overhang for mounted grindstones. In case overhang must exceed 13㎜
reducethemotorspeedinaccordancewithFig.19.
③Donotusetoolswithbentorbrokenshanks,cracksorexcessiverunout.
④Dressthegrindstonepriortouse.
⑤Forgrindingthemaximumdepthofcutshouldnotexceed0.01㎜radiallyoraxially.Reciprocatethe
toolseveraltimesaftereachinfeedstep.
⑥Always operate tools within the tool manufacturers recommended speed limits. Use of a tool
outsideofthemanufacturersrecommendedspeedlimitscouldcausedamagetothespindleand
injurytotheoperator.
⑦Keepthetoolshankandcolletclean.Ifcontaminantsareleftinthecollettheycancauseexcessive
runoutanddamagethetoolandspindle.
⑧Donotdroporhitspindle.
SurfaceSpeed（m/min）＝ 3.14×Diameter（㎜）×rotationSpeed（min
− 1）
1,000
Overhang（㎜） 
20
25
50
Speed（min
− １）

Ｎ×0.5
Ｎ×0.3
Ｎ×0.1
Table１.OverhangandSpeed
N:Max.OperatingSpeedat13㎜Overhang
8  /     >6  
！
%2#3"
;?
2014.09.20 002
HoseConnector
;,
EasyJoint
Sidedome
OilFillerCap
FilterJoint
AirsupplyHose
ToAirCompressor
AirSupplyHoseConnector
AirFilter RegulatorKnob Lubricator
8  ' ( 3
①OilVolume( ; )
Checktheoilvolumeatleastonceaweek.Iftheoillevelislow,
fill to the upper limit. If the oil level is above the upper limit,
removetheexcessoil.Takecarenottooverorunderfilltheoil
reservoirasthiscancausetheoildeliveryratetovary.
②MoistureintheAirFilter( ;@ )
Drain moisture from the Air Filter by pushing the Drain Valve
sideways.
       .    
  !   %   
 3 ; %
！
OilfillerCap
OilReservoir
DrainValve
OilGauge
UpperOilLimit
LowerOilLimit
PushRight&Left
DrainValve
%2#3"
;@
;
SideDome OilDripRate
AdjustingScrew
;<
;=
PressureGauge
OilDripRate
AdjustingScrew