Optical Parts／Eyeglass Lens
Automotive Lenses
Eyeglass Lens
For LED Lens Mold / Ultra-Precision Cutting Tool UPC
For Cutting Eyeglass Lenses (Rough Machining) / PCD Rotating Tool
・Mirror finish cutting of harden steel and stainless steel is possible. ■Features ・Cutting of LED lens molds, Cutting of hardened steel and cemented carbide ■Applications A diamond cutting tool for molds of automotive LED light parts. When used on an elliptical vibration cutting unit, this tool enables ultra-precision cutting of hardened steel and cemented carbide.
・High quality cutting edge finish suppresses burrs and stabilizes surface finish quality. ・Unique tool design ensures stable machining. ■Features ・Eyeglass lens cutting (rough machining), resin molding parts, nonferrous metal parts, etc. ■Applications Used for rough cutting of aspherical shapes of eyeglass lenses. Tool head interchangeable type, holder integrated type, etc. are available upon request. Regardless of eyeglass lenses, milling machines for flat and groove machining, side cutters, etc. can be designed to meet your application and requirements.
Tool Head Replacement Type
Holder Integrated Type
■Product of Taga Electric Co., Ltd. Ultrasonic Vibration Cutting Device EL-50Σ
■Image of Ultrasonic Elliptical Vibration Cutting
■UPC-R for EL-50Σ
Eyeglass Lens Finish Cutting / NewD
Chips
UPC Cutting Edge
・The combination of our originally-designed inserts and holders enables easy and precise tool setting like indexable inserts. ・The rake face is free from adhesions and accumulation of chips and maintains the high quality of worked surfaces even during continuous use. ■Features A high shape accuracy and mirror finish required in eyeglass lens finishing can be achieved by extremely sharp cutting edges.
Work Material Cross-Section
Ultrasonic Elliptical Vibration
・Eyeglass lens finishing ・Resin parts machining ■Applications ■Machining Examples
□Process Example of Eyeglass Lens
【Results】
For Sensor Camera Mold / Ultra-Precision Cutting Tool UPC-R, BLPCD UPC
Tool Specification : Cutting Speed : Feed Per Revolution : D.O.C. :
R2.0 - Relief Angle 18° 1,200 m/min 0.25 mm/rev 0.08 mm
Shape Accuracy: Surface Roughness (Ra): Machined Workpieces:
0.8 µm 0.1 µm 2,000 pieces
The automotive lens used in autonomous drive and automatic brake requires higher accuracy. Ultra-precision lens mold machining tools from A.L.M.T. are capable of meeting these severe requirements.
・Highly precise lens, regardless of glass or plastic, can be produced. ■Features
・Machining of various automotive lens molds ■Applications
■Machining of Cemented Carbide Molds with BLPCD UPC
100 µm
Eyeglass Lens
Micrograph of Machined Surface
For Head Up Display Mold / Ultra-Precision Cutting Tool UPC-Nano profile, UPC-Nano ballendmill
Molds of various lenses used in head up display units and optical parts are machined precisely.
・Ultra-precision mold machining is possible. ■Features
・Machining of molds of various head up display unit components such as Micro lens alloys, Combiner lenses ■Applications
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