This machine is a CNC controlled Thread Grinder, equipped with a Fanuc 30i Series CNC Control. This machine is completely automatic except for set-up, loading and unloading of work and resetting the size handwheel.
This machine is a CNC controlled Thread Grinder, equipped with a Fanuc 30i Series CNC Control. This machine is completely automatic except for set-up, loading and unloading of work and resetting the size handwheel.
Spindle rotation | C axis |
Table feed | Z axis |
Wheel feed & Dress feed | X axis |
Maximum diameter swing over table | Ø480 mm |
Maximum length of threaded portion to be ground | 180 mm |
Minimum diameter of workpiece hole to be ground | ~ 20 mm |
Effective wheel size | ~20-50mm |
width | ~ 6-16mm |
Change of speed | ||
Stepless by frequency inverter | ||
In case of standard type H.F. Motor(as option) | 15,000-24,000rpm | |
In case of rigid type H.F. Motor (as option) | 8,000-15,000rpm. | |
In case of straight type H.F. Motor (as option) | 8,000-15,000rpm. | |
In case of high speed type H.F. Motor (as option) | 22,500-45,000rpm. | |
Maximum helix angle of wheel spindle | ±10° |
Wheel head forwarding and retracting travel (NC) | Max. 234 mm |
Feed rate per one step | 0.001mm |
Manual wheel in-feed rate (INCHING) | 500mm/min |
per one graduation of pulse handle | 0.001 mm |
Total amount of in-feed | 9.999 mm |
Max. in-feed rate | 0.999 mm |
Min. in-feed rate | 0.001 mm |
Total stroke | 450 mm |
Min feed per step | 0.0001 mm |
Lead setting range | 0.25 – 50 |
Rapid returning without spindle rotation | 1,000mm/min |
Maximum work dia. inserted through work spindle hole | Ø65 mm |
No. of work spindle speed selection | Stepless |
Work spindle speed | Max. 100 rpm |
Work spindle angle per one step | 0.005 degree |
No. of thread for automatic indexing for multi-start screw | Infinitely |
Height from floor to axis | Approx. 1,200 mm | |
Machine height | Approx. 1,800 mm | |
Floor space | Approx. 3,860 x 3,835 mm | |
Net weight | 7,000 kgs. |
The machine is supplied ready for operation on 3 phase, 60Hz., 200-220Volts AC.