GL4i

The GL4i is a cylindrical grinding machine for dedicated processes in a high-production environment. It features a hydrostatic wheel-head bearing and way system, and the patented TOYODA STAT® BEARING and floating plate to ensure high accuracy and positioning. This machine is offered in plain- and angled-head configurations.

AVAILABLE MACHINE SEARCH BY INDUSTRY
SPECIFICATION
ITEMSUNIT
GL4Pi - 50
GL4Ai - 50
GL4Pi - 100
GL4Ai - 100
GL4Pi - 150
GL4Ai - 150
GL4Pi - 200
GL4Ai - 200
Distance between centers
mm
500
1,000
1,500
2,000
Swing over table
mm
Ø320 [ Ø400 ]  *1
Ø320 [ Ø400 ]  *1
Ø320 [ Ø400 ]  *1
Ø320 [ Ø400 ]  *1
Grinding diameter
mm
Ø0 ~ Ø300
Ø0 ~ Ø300
Ø0 ~ Ø300
Ø0 ~ Ø300
Load mass between centers
kg150  *2150 *2 [ 300 ] * 3150 *2 [ 300 ] * 3
150 *2 [ 300 ] * 3
Wheel





     Wheel OD x ID
mm

Type P : Ø405 X Ø127
Type A : Ø455 X Ø127
[ Type P only : Ø510 X Ø203.2 ]

Type P : Ø405 X Ø127
Type A : Ø455 X Ø127
[ Type P only : Ø510 X Ø203.2 ]

Type P : Ø405 X Ø127
Type A : Ø455 X Ø127
[ Type P only : Ø510 X Ø203.2 ]

Type P : Ø405 X Ø127
Type A : Ø455 X Ø127
[ Type P only : Ø510 X Ø203.2 ]

      Max. wide
mm
75 [ 100 ( Ø405, Ø455) /
50 ( Ø510 ) / 100 ( Ø510 ) ]
75 [ 100 ( Ø405, Ø455) /
50 ( Ø510 ) / 100 ( Ø510 ) ]
75 [ 100 ( Ø405, Ø455) /
 50 ( Ø510 ) / 100 ( Ø510 ) ]
75 [ 100( Ø405, Ø455) /
 50 ( Ø510 ) / 100 ( Ø510 ) ]
     Surface speed
m/s
33 [ 45 ]33 [ 45 ]
33 [ 45 ]
33 [ 45 ]
Workhead





     Spindle speed
min¯¹
21 ~ 500   *4
21 ~ 500   *4
21 ~ 500   *4
21 ~ 500   *4
Machine weight  *5
kg
4,000
5,000
6,000
7,000

The specification maybe restricted according to the tooling of customer.
*1: The Ø400 mm swing specification is offered on a per-machine basis. Please consult with our sales department.
*2: The max. load on the live spindle of the workhead with dead spindle plus live spindle (optional accessory ) for GL3i is 10 kg, and 40 kg for GL4i. ( including workpiece and workpiece holder )
*3: If you would like the 300 kg specification, please consult with our sales department.
*4: Subject to change depending on workhead model type.
*5 : Subject to change depending on specifications and accessory parts, etc
[ ] ; Optional accessory 

The best machine for achieving high accuracy and productivity with a simple machine configuration

Long - term grinding accuracy
     • TOYODA STAT BEARING
     • High rigidity, low vibration bed
     • High - accuracy feed mechanism
     • Low thermal displacement bed
     • Heat isolation cover

Simple and easy operation
     • Displaying craftsmen skill - that is manual intervention
     • Improved efficiency of single part grinding
     • Conversational controls allow for ease of use
     • HMI TOYOPUC-Touch of the IoE* era

Consideration of safety, reassurance and workability
     • Excellent workability with a full cover
     • Manual operations are possible with front face handle



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