YASDA ENGINEERING SERVICE / Center Hole Grinder / the semi-automatic YCG-1215 CNC featuring CNC designed for mass production applications

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	Spindles Repairs, component processing, and manufacture

	Correction Technique

	Precision measurement of large work pieces

	Center Hole Grinder Semi-automatic CNC

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Yasda adds a new model to the center hole grinder (CNC) range:
the semi-automatic　YCG-1215CNC　 featuring CNC designed for mass production applications.
the semi-automatic YCG-1215 CNC

　Point.1　semi-automatic operation by incorporating a computer into the previous model

The YCG-1215 CNC center hole grinder from Yasda features semi-automatic operation by incorporating a computer into the previous model.

The following new features are added:

Automatic control over rapid approach, cutting approach, dwell, and return
Automatic positioning of spindle dressing
Automatic compensation to align the grindstone dressing quantity with the cutting approach quantity
Uniform and accurate center hole depth
Significantly shorter processing times
Improved quality consistency via automated operation

Dressing is performed manually as per previous models.

　Point.2　Dresser

The new dresser offers more convenience than that of previous models as described below.

The spindle is automatically positioned for dressing and locked in position.
The grindstone dressing value is adjusted on the dial scale.
As before, the dresser is turned manually to the required position. Dressing is performed using the rotating handle.
The grindstone dressing quantity is automatically compensated to align with the spindle approach quantity.

　Point.3　Control Panel

The machine is operated via a touch-screen panel.
Operating instructions are displayed on the panel.

　Center Hole Grinder YCG-1215CNC Specifications

Sizes of workpiece	Workpiece clamping range	Φ5∼ Φ150mm
	Workpiece length	50∼ 1200mm
	Max. weight of workpiece	100kg
Center Hole Grinder Capacity	Center hole angle	60°
	Dia. of center hole stone	Φ2∼ Φ50㎜
Spindle of grinding stone	Dia. of spindle	Φ32mm
	Speed of grinding stone (15mm dia.)	45,000min^-1
	Speed of grinding stone (27mm dia.)	25,000min^-1
	Speed of grinding stone (51mm dia.)	15,000min^-1
Motors	For spindle	0.4KW
	For reciprocating motion	0.1KW
	For dust collector	0.4KW
	cutting head vertical approach	1.5KW
Grinding head	Max. rapid approach	140mm
	vertical approach manual pulse, minimum approach	0.001mm
Grinding stone dressing device	Travel of dressing diamond	40mm
	Max. travel for one revolution of wheel	1.5㎜
	Max. in-feed for one revolution of wheel	1mm(0.002mm/div.)
Electric power supply	Voltage & spindle	3Ph 200V 50/60Hz
	Capacity	4.0KVA
Pneumatic source	For lubrication of spindle	0.3∼ 0.4MPa
Weight	Net weight of the standard machine	960kg

　Center Hole Grinder YCG-1215CNC OUTLINE