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

Unit:mm
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.