YIG-20-NC-S Main spec.
Capacity Renge of grinding hole diameter 5 to 200mm(dia)
Grinding length 200mm
Swing in chuck cover 370mm(dia)
Work head Swing over table 540mm(dia)
Main spindle r.p.m 10 to 800rpm NCprg. and manual operation
Invertor control 
Main spindle swivel angel (Manual) +15dig With chuck cover
Table (Carriage) Max. carriage stroke (Z axis) 700mm
Carrage feed drive 0 to 10M/min
Movement for each turn of pulse handle 0.01, 0.1, 1.0, 10mm
By mode changeover
Movement for each scale graduation of pulse handle 0.0001, 0.001, 0.01, 0.1mm(dia)
By mode changeover
Wheel head Wheel head movement +170mm, -80mm from work center
Wheel head Infeed speed (X axis) 0 to 5M/min (up to 10M/min)
Movement for each turn of pulse handle 0.01, 0.1, 1.0, 10mm(dia)
By mode changeover
Movement for each scale graduation of pulse handle 0.0001, 0.001, 0.01, 0.1mm(dia)
By mode changeover
Motor For hydraulic system 750w 4P
For coolant pump (At grinding) 180w 2P
For coolant pump (At dressing) 100w 2P
For coolant pump (At circulation)) 180w 2P
For coolant separator 25w 2P
For wheel head (SESPA drive) 2.2Kw 2P
For main spindle 1.5Kw 4P INVERTOR Control
For infeed wheel head (X axis) 1.0Kw FANUC alp.6 AC servo-motor
For table (Z axis) 3.0Kw FANUC alp.22 AC servo-motor
Control FANUC Mate-D
2-axis Simultaneous control system with option
Original soft. by Yamadakoki
(Man-machine interface)
Tank capacity Hydraulic unit 30L
Coolant tank unit 180L
Machine hight . 1,980mm
Required floor space . 3,000*1,600mm
Net waight . 3,500Kg
YIG-20-NC-S
Special Features

This is a numerical control (NC) type internal grinding machine which incorporates various special feautures of our products which have won high appraisal up to now.
This model is designed for high accuracy and durability and easy operation.

There is no need to generate programs for standard machining operation.
The relative positioning of the grinding wheel and work piece can be set by simply moving the position to the place indicated on the control panel and by pressing button.

A function is provided to enable subprogram call for automatic dressig, etc. at an optional point by pressing the corresponding push button.

The operability is greatly improved by this function.
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