Yamadakoki NC internal grinder YIG-20-NC-S spec.

**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
Tank capacity	Coolant tank unit	180L
Machine hight	.	1,980mm
Required floor space	.	*3,0001,600mm**
Net waight	.	3,500Kg

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.