Lenses are automatically transported by manually loading the lens tray and processed by the kanzashi.
NC control is employed for the oscillating motion of the kanzashi, enabling advanced processing operations and setting of the kanzashi’ positions.
The processing method of the conventional diagonal-shaft polishing machine is followed, which facilitates smooth setting of the processing conditions.
The tilting axis is equipped with a counter to ensure high repeatability in setup changes.
Polishing Machine
Medium-sized 4-shaft Variable Tilt-axis Semi-automatic Smoothing Machine NS-60TC-4S-Ⅱ
NAGATA SEISAKUSHO CO., LTD.
Lower axis tilting machine capable of automatically processing lenses in 4 processes
Automatic conveyor with inverting function enables continuous processing of the front and back sides of each input tray.
| No. of shaft | 4 | |
| Shaft inverval | 500mm | |
| Processing work | φ40～65mm （Holder dia. maxφ75mm） |
|
| Processing work shape | concave | Polishing angle（θ）within 108° |
| convex | Polishing angle θ≦30°（※ideal value） | |
| Kanzashi diameter | φ16mm | |
| Max. tool medium | φ130mm | |
| Main Shaft | Tilt angle | 0～40° |
| No. of rotation | 200～1,500rpm（two step setup） | |
| 回転止め | ソケット部スパナ掛け | |
| Motor | 0.4kW 4P 200V 4基（inverter control） | |
| Angle display | ハンドル部ポジションインジケーターによる角度換算 | |
| Swing Shaft | Swing width | ±30mm （Touch Panel Value Control （揺動幅・揺動中心・供給兼停止位置）） |
| No. of swing | max30/min（往復）（Touch Panel Value Control） | |
| 揺動始点位置決め範囲 | 作業者側に70mm 奥に30mm | |
| Motor | AC servomotor 1/5 | |
| Kanzashi pressurization method | Cylinder pressurization（三段加圧/主軸回転連動） | |
| Process time setting | Touch panel value input（1 sec～99 hours 59 min.） | |
| Coolant supply control | Dedicated solenoid valve control for each shaft | |
| Dimensions | Approx. W2,180×H1,650×D1,100（not including protruding object/supply device） | |
| Max. dimensions | Approx. W2,500×H1,960×D1,200（not including protruding object/supply device） | |
| Weight | Approx. 1,700kg |
Utility
| Power source | 3 phase 200V 30A | |
| Clean air | min 0.49MPa amount consumed 230L/min. |
Automatic Supply Device
| Tray（No. of packs） | 1 tray | Made by OHARA Corporation Standard lens pack can be used |
| pack pattern | 5 patterns can be registered（納入事前登録） | |
| driving force | Belt conveyor type | |
| Supply Method | continuous processing（endless）※4 pieces at start are manually installed | |
| Transfer time | transport machine | 108 sec./4 shafts |
| machine stop time | 31.2 sec./4 shaft |
Supply (processing) pattern
| Shaft №1 | Shaft №2 | 反転 | Shaft №3 | Shaft №4 | |
| 工程2段 | A side metal | A side resin | 反転 | B side metal | B side resin |
| 工程1段 | A side metal→№3 | A side resin→№4 | 反転 | B side metal | B side resin |
※Patterns other than the above will require separate software modification (separate charge).
Automatic supply device
| Coolant pump | NQJ-60E 60W 2 phase | |
| Coolant tank | SUS 25L（29L） Round shape φ480×H160mm キャスター付き台車 2 each |
Click to enlarge.
