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 JTEKT STAT® BEARING and floating plate to ensure high accuracy and positioning. This machine is offered in plain- and angled-head configurations.
SPECIFICATION |
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ITEMS | UNIT | 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 | kg | 150 *2 | 150 *2 [ 300 ] * 3 | 150 *2 [ 300 ] * 3 | 150 *2 [ 300 ] * 3 |
Wheel | |||||
Wheel OD x ID | mm | Type P : Ø405 X Ø127 | Type P : Ø405 X Ø127 | Type P : Ø405 X Ø127 | Type P : Ø405 X Ø127 |
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
Long - term grinding accuracy
• JTEKT 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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