CNC Rotary Table

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MRNC - 255 / 320 / 400

CNC Rotary Table

Unit:mm

Model		MRNC-255/255N				MRNC-320/320N		MRNC-400/400N
Worktable diameter		Ø255				Ø320		Ø400
Table height(Horizontal)		167				222		250
Center height(Vertical)		160				210		255
Overall height(Vertical)		350				385		465
Spindle hole diameter		Ø33				Ø42		Ø41
Center bore diamenter		Ø40 H7				Ø40 H7		Ø40 H7
T-Slot size		12 H7				14 H7		14 H7
Guide block size		18 h7				18 h7		18 h7
Number of worm gear teeth		72				72		72
Servo motor(model as required)		FANUC		MELDAS		FANUC	MELDAS	FANUC	MELDAS
		α 4i	α 8i	HF-53T	HF-103T	α 12i	HF-203S	α 12i	HF-203S
Speed reduction ratio		1/180				1/180		1/180
Minimum input increment		0.001^o				0.001^o		0.001^o
Table rotation speed		22.2r.p.m(Motor 4000r.p.m)				16.6r.p.m(Motor 3000r.p.m)		16.6r.p.m(Motor 3000r.p.m)
Clamp torque & Clamp method (kg-m)		50 (Hydraulic pressure 35kg/cm²)				85 (Hydraulic pressure 35kg/cm²)		180 (Hydraulic pressure 35kg/cm²)
Cumulative indexing accuracy		15"				15"		15"
Repeatablity		4"				4"		4"
Load capacity(kg)	Horizontal	250kg				350kg		500kg
	Vertical	100kg				150kg		200kg
	Tail-stock used	250kg				350kg		500kg
Allowable inertia force		12.3kg-cm-sec²				38.5kg-cm-sec²		99.8kg-cm-sec²
Max torque capacity of worm gear		48 kg-m				78 kg-m		170 kg-m
Allowable work piece diameter		Ø255				Ø320		Ø400
Net weight(motor excluded)		88 kg				162 kg		262 kg
Note : Choice of junction box location at right, top or back side of the rotary table. * "N" means reduced sheet plate.