Back Type CNC Rotary Table

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CNC Rotary Table / VRNC-170B / VRNC-210B / VRNC-255B

• Worktable diameter Ø170, Ø210 and Ø255 mm.
• Motor is mounted at back.
• Employs high precision cross roller bearing.
• Exclusive dual lead worm drive.
• Air operated.

High Precision CROSS ROLLER Bearing

Specification Unit: mm

Back Type CNC Rotary Table VRNC-170B

Model		VRNC-170B
Worktable diameter		170
Center height (vertical)		135
Center bore diameter		35 H7
T-slot size		12 H7
Guide block size		18 h7
Number of worm gear teeth		72
Cumulative indexing accuracy		Max. 20"
Repeatability		4"
Clamp torque & Clamp method		8kg-m (pneumatic pressure 5kg/cm2)
Load capacity	Vertical	75kg
	Tail-stock used	150kg
Allowable inertia force		4.9kg-cm-sec2
Allowable turntable torque		15kg-m
Net weight (Motor excluded)		62.5kg
Servo motor (model excluded)		FANUC	MELDAS
		AC OS, 3	HA43NT-E30
Speed reduction ratio		1/90
Minimum input increment		0.001°
Table rotation speed		33.3 r.p.m.

Back Type CNC Rotary Table VRNC-210B

Model		VRNC-210B
Worktable diameter		210
Center height (vertical)		160
Center bore diameter		45 H7
T-slot size		12 H7
Guide block size		18 h7
Number of worm gear teeth		72
Cumulative indexing accuracy		Max. 20"
Repeatability		4"
Clamp torque & Clamp method		16kg-m (pneumatic pressure 5kg/cm2)
Load capacity	Vertical	75kg
	Tail-stock used	150kg
Allowable inertia force		4.9kg-cm-sec2
Allowable turntable torque		15kg-m
Net weight (Motor excluded)		76kg
Servo motor (model excluded)		FANUC	MELDAS
		AC OS, 3	HA43NT-E30
Speed reduction ratio		1/90
Minimum input increment		0.001°
Table rotation speed		33.3 r.p.m.

Back Type CNC Rotary Table VRNC-255B

Model		VRNC-255B
Worktable diameter		255
Center height (vertical)		160
Center bore diameter		45 H7
T-slot size		12 H7
Guide block size		18 h7
Number of worm gear teeth		72
Cumulative indexing accuracy		Max. 20"
Repeatability		4"
Clamp torque & Clamp method		16kg-m (pneumatic pressure 5kg/cm2)
Load capacity	Vertical	75kg
	Tail-stock used	150kg
Allowable inertia force		4.9kg-cm-sec2
Allowable turntable torque		15kg-m
Net weight (Motor excluded)		77.5kg
Servo motor (model excluded)		FANUC	MELDAS
		AC OS, 3	HA43NT-E30
Speed reduction ratio		1/90
Minimum input increment		0.001°
Table rotation speed		33.3 r.p.m.

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