TOYODA
PRODUCTS
PRODUCTS

TG4

Achieving high accuracy and high speed grinding through process integration

Grinding centers

TG4

Outline
Adoption of a DD motor for the wheelhead swivel section
Achieving high accuracy positioning and high speed rotation of the wheelhead unit.
Equipped with a coolant penetration-free DD motor making for a highly reliable machine structure.

Achieving one-chuck grinding

Specification
Distance between centers
mm 320/630
Swing over table
mm φ320
Max. grinding diameter
O.D. mm φ220
I.D. mm φ120
Grinding wheel OD
(Normal wheel)
O.D. x Width x I.D. mm Straight:φ405×50 [75]×φ127
mm Angular:φ405×50 [75]×φ127
Surface speed m/s 30 [45/60]
Wheelhead infeed
Rapid feedrate m/min φ15
Smallest input increment mm φ0.0001
Wheelhead swiveling unit
Swiveling angle ° 0~210
Swivel unit ° 0.00001
Swiveling method Automatic(DDmotor)
Swivel positioning method NC
Table traverse
Rapid feedrate m/min 15
Smallest input increment mm 0.0001
Workhead
Type Spindle workhead
Center Center specialized form
Footstock
Type Hydraulic
Center Center specialized form

[ ] shows optional specifications.

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