TG4

TG4 is a steadfast technology performing high accuracy grinding with stable high quality, A machine structured has designed for supporting  high accuracy and high productivity with adoption of a DD motor for the wheelhead swivel section combination with the original of JTEKT STAT BEARING.

AVAILABLE MACHINE SEARCH BY INDUSTRY
SPECIFICATION


ITEMS
UNIT
TG4 - 32
TG4 - 63
Distance between centers
mm
320
320
Swing on table

Ø320
Ø320
Grinding diameter



     O.D.
mm
Ø0 ~ Ø220
Ø0 ~ Ø220
     I.D.
mm
Ø10 ~ Ø120
Ø10 ~ Ø120
O.D. wheel


   Bearing

TOYODA STAT BEARING
TOYODA STAT BEARING
   Normal wheel 
   O.D. x width x I.D.
mmStraight: Ø405 x 50 [75] x Ø127
Angular: Ø405 x 50 [75] x Ø127
Straight: Ø405 x 50 [75] x Ø127
Angular: Ø405 x 50 [75] x Ø127
   Normal wheel Surface speed
m/s
30 [ 45 / 60 / 80 ]
30 [ 45 / 60 / 80 ]
   CBN wheel
   O.D. x width x I.D.
mmStraight: Ø350 x 30 x Ø127 [Ø203.2]*²
Angular: no setting
Straight: Ø350 x 30 x Ø127 [Ø203.2]*²
Angular: no setting
   CBN wheel Surface speed
m/s
30 [ 45 / 60 / 80 ]
30 [ 45 / 60 / 80 ]
Wheelhead infeed



     Rapid feedrate
m/min
Ø20
Ø20
     Smallest input increment
mm
Ø0.0001
Ø0.0001
Wheelhead swiveling unit



     Swivel angle
°
0 ~ 210
0 ~ 210
     Swivel unit
°
0.00001
0.00001
    Swiveling method

Auto (DD motor)
Auto (DD motor)
    Swivel positioning method

NCNC
Table traverse



    Rapid feedrate
m/min
20
15
    Smallest input increment
mm
0.0001
0.0001
Workhead



     Type

Workhead with live center
Workhead with live center
     Center

MT No.4 [ Special center ] *³
MT No.4 [ Special center ] *³
     Rotation speed
min¯¹
10 ~ 1,000
10 ~ 1,000
Tailstock



     Type

Hydraulic type
Hydraulic type
     Center

Special center [ MT No.4 ] *³
Special center [ MT No.4 ] *³

Specification may be limited depending on customer tooling.
       *1: Options
        *2: The I.D. of CBN wheel differs depending on surface speed. I.D. Ø127 mm at 30 m/s and 45 m/s surface speed / I.D. Ø203.2 mm at surface speed 60 m/s, 80 m/s
       *3: Type differs depending on the workhead and tailstock used

The best and the fastest
Combination grider achieving high accuracy and high speed grinding through process integration

Steadfast technology performing high accuracy grinding  
     • Stable high quality grinding
     • A machine structure supporting high accuracy and high productivity
     • Development technology supporting high accuracy
• JTEKT STAT BEARING

High Productivity  
     • Improve productivity with a ideal wheel mounting
     • Improve productivity with a dual-center drive

 Abundant options
     • CNB wheel specifications are prepare to achieve high productivity
     • C-Axis workhead
     • Touch probe for wheel diameter measurement ( Automatic end face locating unit )
     • Manually center distance adjustment hydraulic type tailstock
     • Automatic between-center adjusting type dual-side drive workhead
     • Electromagnetic chuck



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