SCI 21-22 General Catalog

Ultra-Precision Cutting Tools UPC

UPC TM -F

UPC TM -T

AL

Exhibits full potential for high-efficiency, ultra-precision cutting in planar and cylindrical shapes

Ideal for fine grooving such as that for Fresnel lenses

■ Features 1. Drastically reduces or eliminates running-in machining time. 2. Obtain uniform, high-quality machined surfaces by setting the roundness (sharpness) of the cutting edge according to the work material and cutting conditions. ■ Applications 1. Laser reflective mirrors 2. Polygon mirrors 3. Photosensitive drums of copying machines 4. Planar and cylindrical mirror finishing

■ Features 1. The cutting edge is uniform and extremely sharp, free from chipping and undulation. 2. Guarantees the cutting edge shape in the order of submicrons.

■ Applications 1. LCD prism sheet moulds

2. Fresnel lens moulds 3. Optical sheet moulds 4. Various diffraction grating moulds 5. Other fine grooving

Exclusive Blade Type for Polygon Mirrors

□ Cutting Edge Shape

□ Cutting Edge Shape

UPC-T

UPC-FC

UPC-FR

Standard ±15’ High Precision ±6’

R

□ Dimensions and Highest Accuracy

□ Dimensions and Highest Accuracy

Cutting Edge Angle θ

Relief Angle α

Lateral Rake Angle γ

Rake Face R

Cutting Edge Angle θ

Angular Tolerance

Tip Width W

Rake Angle β

Width of Cut W

Rake Angle β

Relief Angle α

Cat. No.

Cat. No.

Very High Precision SS High Precision S

Q

± 6’

UPC-FC

0.2 μm min.

Less than 45°

0° to 5°

-5° to 0°

45° to 80°

1.0 to 4.0 mm

0° to 15°

UPC-T

-5° to 10°

0° to 15°

± 15’

UPC-FR

45° or more

Pin Angle

10° to 45° 2.0 to 4.0 mm

2° to 5°

30 to 40 mm

10 μm

LCD Prism Sheet Moulds

AL6

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