Yukiwa CNC rotary tables are installed on the machining centers, tapping centers and special purpose machines and are used in various workings, such as the automobile parts, IT parts etc. They contribute to the streamline of production and the cost reduction in your company by the easy handling, strong rigidity, high precision and durability.

JNC Series
Light weight Compact Suitable for small-sized machining centers Accurate indexing Accurate indexing is available by durable worm wheel of special alloy. Outstanding water protection Auto-Air Purging system (PAT.) is built in as standard and effects against coolant outstandingly.

■ Easy jig designing　  ■ Easy maintenance

Model	Right Handed	JNC140R	JNC170R	JNC200R	JNC250R
	Left Handed	JNC140L	JNC170L	JNC200L	JNC250L
Table diameter		140	170	200	250
Center height		110	135	160	200
Table faucet diameter		40H7 depth 10	60H7 depth 10	70H7 depth 10	90H7 depth 10
Table center through hole diameter		28	45	56	72
Clamp system		Air pressure (0.5 ～ 0.7Mpa)
Clamp torque (N･ｍ)		120 (0.5MPa)	230 (0.5MPa)	450 (0.5MPa)	650 (0.5MPa)
Indexing accuracy (Cumulative)		Within 40 seconds			Within 30 seconds
Allowable operation load (N)	Vertical load	4,000	5,000	7,000	8,000
	Horizontal load	2,000	3,000	4,000	5,000
	Circumferential load	2,000	1,700	2,600	3,500
Allowable inertia Moment (kg･m²)	During vertical use	0.25	0.5	1.0	2.0
	During horizontal use	0.125	0.25	0.5	1.0
Total reduction ratio		1/72	1/90	1/90	1/90
Maximum rotation (min-1 )		41.6	33.3	33.3	33.3
Guide piece width		14h7	14h7	18h7	18h7
Weight (kg)		27	38	58	86

*	Guide piece (2pcs), Fixtures (2sets), Air tube (5m) for table clamping are attached.
*	Corresponding to Controller for CNC rotary table or to motor for additional axis.

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JNCH Series

High-speed indexing Max rotation of JNCH140 is 83.3min-1. Shortening the indexing time contributes to improve productivity in your company. Accurate indexing Accurate indexing is available by durable worm wheel of special alloy. Outstanding water protection Auto-Air Purging system (PAT.) is built in as standard and effects against coolant outstandingly.

■ Light weight・Compact　■ Easy jig designing 　■ Easy maintenance

Model	Right Handed	JNCH140R	JNCH170R	JNCH200R	JNCH250R
	Left Handed	JNCH140L	JNCH170L	JNCH200L	JNCH250L
Table diameter		140	170	200	250
Center height		110	135	160	200
Table faucet diameter		40H7 depth10	60H7 depth10	70H7 depth10	90H7 depth10
Table center throughhole diameter		28	45	56	72
Clamp system		Air pressure (0.5MPa)
Clamp torque (N･ｍ)		120 (0.5MPa)	230 (0.5MPa)	450 (0.5MPa)	650 (0.5MPa)
Indexing accuracy (Cumulative)		Within 40 seconds			Within 30 seconds
Allowable operation load (N)	Vertical load	4,000	5,000	7,000	8,000
	Horizontal load	2,000	3,000	4,000	5,000
	Circumferential load	2,000	1,700	2,600	3,500
Allowable inertia Moment (kg･m²)	During vertical use	0.125	0.25	0.5	1.0
	During horizontal use	0.06	0.125	0.3	0.5
Total reduction ratio		1/36	1/45	1/45	1/45
Maximum rotation (min-1)		83.3	66.6	66.6	66.6
Indexing time (second) (Clamping/unclamping time of 0.2 sec. and processing time of AC4 controller are included.)	10°	0.89	0.93	0.93	0.69
	45°	1.01	1.12	1.12	0.81
	90°	1.13	1.23	1.23	1.05
	180°	1.29	1.47	1.47	1.17
Guide piece width		14h7	14h7	18h7	18h7
Weight (kg)		27	38	58	86

*	Guide piece (2pcs), Fixtures (2sets), Air tube (5m) for table clamping are attached.
*	Corresponding to Controller for CNC rotary table or to motor for additional axis.

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YNC Series

High clamping torque Air hydraulic clamping mechanism gives high clamping torque. Rigid bearing structure Since the table shaft is supported by large bearings, displacement by load will be smallest. Centering of jig/work piece is easy. Accurate indexing Accurate indexing is available by durable worm wheel of special alloy.

■ Light weight・Compact　 ■ Easy jig designing　
■ Easy maintenance　 ■ Outstanding water protection

Model	Right Handed	YNC170R	YNC200R	YNC250R
	Left Handed	YNC170L	YNC200L	YNC250L
Table diameter		170	200	250
Center height		135	160	200
Table faucet diameter		60H7 depth 10	70H7 depth 10	90H7 depth 10
Table center through hole diameter		45	56	72
Clamp system		Air pressure (0.5 ～ 0.7Mpa)
Clamp torque (N･ｍ)		260 (0.5MPa)	540 (0.5MPa)	840 (0.5MPa)
Indexing accuracy (Cumulative)		Within 30 seconds	Within 25 seconds	Within 20 seconds
Allowable operation load (N)	Vertical load	9,000	10,000	11,000
	Horizontal load	3,000	6,000	7,000
	Circumferential load	3,000	5,400	6,700
Allowable inertia Moment (kg･m²)	During vertical use	0.5	1.0	2.0
	During horizontal use	0.25	0.5	1.0
Total reduction ratio		1/90	1/90	1/90
Maximum rotation (min-1)		33.3	33.3	33.3
Guide piece width		14h7	18h7	18h7
Weight (kg)		43	69	114

*	Guide piece (2pcs), Fixtures (2sets), Air tube (5m) for table clamping are attached.
*	Corresponding to Controller for CNC rotary table or to motor for additional axis.

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YNCP Series

High clamping torque Air hydraulic clamping mechanism gives high clamping torque. Rigid bearing structure Since the table shaft is supported by large bearings, displacement by load will be smallest. Centering of jig/work piece is easy. Accurate indexing Accurate indexing is available by durable worm wheel of special alloy. Indexing accuracy of YNCP250 is within 20 seconds cumulatively.

■ Light weight・Compact 　■ Easy jig designing　
■ Easy maintenance 　■ Outstanding water protection

Model	Right Handed	YNCP170R	YNCP200R	YNCP250R
	Left Handed	YNCP170L	YNCP200L	YNCP250L
Table diameter		170	200	250
Center height		135	160	200
Table faucet diameter		60H7depth10	70H7depth10	90H7depth10
Table center through hole diameter		45	56	72
Clamp system		Air pressure (03～0.5MPa)
Clamp torque (N･ｍ)		550 (0.5MPa)	850 (0.5MPa)	1,050 (0.5MPa)
Indexing accuracy (Cumulative)		Within 30 seconds	Within 25 seconds	Within 20 seconds
Allowable operation load (N)	Vertical load	9,000	10,000	11,000
	Horizontal load	4,000	6,000	7,000
	Circumferential load	4,000	6,200	7,000
Allowable inertia Moment (kg･m²)	During vertical use	0.5	1.0	2.0
	During horizontal use	0.25	0.5	1.0
Total reduction ratio		1/90	1/90	1/90
Maximum rotation (min-1)		33.3	33.3	33.3
Guide piece width		14h7	18h7	18h7
Weight (kg)		43	69	114

*	Guide piece (2pcs), Fixtures (2sets), Air tube (5m) for table clamping are attached.
*	Corresponding to Controller for CNC rotary table or to motor for additional axis.

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BNC Series

High clamping torque Air hydraulic clamping mechanism gives high clamping torque. Rigid bearing structure Since the table shaft is supported by large bearings, displacement by load will be smallest. Centering of jig/work piece is easy. Accurate indexing Accurate indexing is available by durable worm wheel of special alloy. Indexing accuracy of YNCP250 is within 20 seconds cumulatively.

■ Rigid bearing structure 　 ■ Easy maintenance 　■ Outstanding water protection

Model		BNC320R
Table diameter		320
Center height		230
Table faucet hole diameter		170H7
Table center through hole dia.		160
Clamp system		Air pressure (0.3〜0.5MPa)
Clamp torque (N・m)		3,000(0.5MPa)
Indexing accuracy (cumulative)		20 seconds
Allowable operation load (N)	Vertical load	18,000
	Horizontal load	11,000
	Circumferential load	18,000
Allowable inertia Moment (kg・m²)	During vertical use	5.00
	During horizontal use	2.50
Total reduction ratio		1/90
Maximum rotation	(min-1)	22.2
Guide piece width		18h7
Product weight	(kg)	174

*	Guide piece (2pcs), Fixtures (2sets), Air tube (5m) for table clamping are attached.
*	Corresponding to Controller for CNC rotary table or to motor for additional axis.

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NCT／NCR Series

Table diameter	320	410	500	630
Model for Vertical use only	NCT320	NCR410	NCT500	NCT630
Model for Vertical and Horizontal use	NCT320W	NCRS410		NCTS630
Model of motor mounting on top	NCTU320	NCTU410	NCTU500	NCTU630
Model of motor mounting on back	NCTB320	NCTB410	NCTB500	NCTB630
		NCRB410
Height to table surface	230	220(U,B 230)	300	320
Total reduction ratio	1/90～1/180
Backlash adjustment	Dual lead worm gear
Clamp system	Hydraulic (3Mpa)
Clamp torque (N･ｍ)	750	1,200	3,100	4,500
Indexing accuracy (Cumulative)	Within 20 seconds
Weight (kg)	220	245	475	700

*	Special specifications are available. For the details, please refer to our catalog.
*	Corresponding to Controller for CNC rotary table or to motor for additional axis.

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