Big Hole CNC Rotary Table for Complex Workpieces

BRNC-255A

Reference

Specifications / Mode		Unit	BRNC-255A	BRNC-320/320N	BRNC-40A	BRNC-500
Net Diameter		mm	Ø255	Ø320	Ø400	Ø500
Table Height	Horizontal	mm	200	222	250	300
Center Height	Vertical	mm	160	210	255	310
Overall Height		mm	305	385	465	560
Center Bore Diameter		Ømm	Ø100^H7	Ø100^H7	Ø180^H7	Ø220^H7
Through-Hole Diameter		Ømm	Ø100	Ø100	Ø180	Ø220
Width Of T-Slot		mm	12^H7	14^H7	14^H7	18^H7
Width of Guide Block		mm	18^h7	18^h7	18^h7	18^h7
Minimum Input Increment		deg.	0.001°	0.001°	0.001°	0.001°
Indexing Accuracy		sec.	20"	20"	20"	20"
Repeatability		sec.	4"	4"	4"	4"
Servo Motor (Model As Required)	FANUC		α8i	α12i	α12i	α12i
Servo Motor (Model As Required)	MELDAS		HF-154S	HF-204S	HF-204S	HF-204S
Speed Reduction Ratio			1/120	1/180	1/180	1/180
Table Rotation Speed		r.p.m	25	16.6	16.6	16.6
Allowable Inertia Force		kg-cm-sec²	12.3	38.5	99.8	187.6
Allowable Turntable Torque		kg-m	48	78	170	250
Drive Pressure / Method		kg/cm²	35 (Hyd.)	35 (Hyd.)	35 (Hyd.)	35 (Hyd.)
Clamping Torque		kg-m	50	85	180	250
Allowable Load Capacity	Vertical	kg	200	150	240	400
	Horizontal	kg	640	350	800	960
	Tail-Stock	kg	400	350	480	800
Allowable Workpiece Diameter		Ømm	Ø255	Ø320	Ø400	Ø500
Net Weight (Motor Excluded)		kg	97	173	273	400
"N" means shortened motor cover,please contact us for shortening drawing if ncecssity. "A" means high-load design (Equipped with radial and axial bearing).