J450G - Mitsui Seiki

J450G With FANUC 31i-B-Plus with Panel iH Pro

  • Designed and built for accuracy from the bed casting, slideway construction to hand scraping:
  • - 3-point bed construction
  • - Highly rigid bed and column casting
  • - V-F way employed on X-axis
  • - Hand scraped way surfaces
  • - Ultra precise needle roller bearings utilized on slideway surfaces
  • Wide U-axis stroke of +33 ~ -20mm allows grinding of varying hole diameters without changing grinding wheels
  • Suite of options available for automated grinding such as full machine enclosure, grinding spindle, ATC, spindle probe and tool setter
  • G-MAPS Conversational programming software intuitively designed for ease of generating programs by inputting parameters into guided screen
  • Exceptional surface finishing in hard materials
  • Environmentally concious design & manufacture
  • Various Factory Automation and Integration solutions
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Specifications and Standard Features

The latest J450G Jig Grinder replaces its predessor 4GDN and provides more critical precision & functionality to discerning business owners wanting to improve their capabilities in the mold & die, aero space, healthcare, and precision industries. The reliable, ultra-repeatable accuracy allows for profitable production of some of the world's most demanding applications.
Working Capacity Spindle Head (C-Axis; U-Axis; Z-Axis) Grinding Spindle Axis Speed Precision Automation Footprint
X axis longitudinal stroke (table traverse):
610 mm (24.02")
Y axis cross stroke (saddle head traverse):
410 mm (16.14")
Z axis vertical stroke (quill):
140 mm (5.51")
W axis vertical stroke (cross rail):
460 mm (18.11")
Distance between columns:
1,120 mm (44.09")
Maximimum Distance from table top to wheel collet:
730 mm (28.74")

Table

Working surface :
790 x 600 mm (31.10" x 23.62")
Max permissible load:
750 kg (1,650 lbs)
C-Axis planetary motion
5 - 300 rpm
U-Axis infeed stroke
+33 ~ -20 mm (-1.299 ~ +0.787”)
Quill chopping stroke (max.)
95 mm (3.74”)
Quill chopping cycle (within 25 mm stroke)
200 cycles / min
Low speed grease pack (HFM-HV)
9000 ~ 45000 rpm
Low speed O&A (HFM-L)
9000 ~ 45000 rpm
Low speed high stiffness (HFM-HS)
9000 ~ 30000 rpm
ATC grinding head (HFM-ATC)
9000 ~ 30000 rpm
High speed O&A (HFM-H)
18000 ~ 90000 rpm
Air turbine (ATM-II)
Max 175,000 rpm

Rapid traverse

X & Y- axis:
2000 mm/min (78.7 IPM)
Z axis (quill):
3000 mm/min (118.1 IPM)

Cutting feed

X & Y- axis:
0.1 - 2000 mm/min (0.0039 – 78.7 IPM)
Z axis (quill):
0.1 - 3000 mm/min (0.0039 – 118.1 IPM)

Positioning Accuracy (JIS):

X, Y and Z axis:
± 0.001 mm (0.00004")
C axis:
1 arc sec. (JIS)

Repeating accuracy (JIS):

X, Y and Z axis:
± 0.001 mm (0.00004")
A and C axis:
0.5 arc sec. (JIS)
Set Up & Measurement
Various probing & in-process measuring options
Tool Changer Capacity
Option: 20ATC
Work Handling
Manual 0-point; Robot Loader
Length:
3,420 mm (135")
Width:
3,850 mm (152")
Machine Weight:
4,300 kgs (9,500 lbs)

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