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75-840-070 Notch milling machine


ISO 179, ISO 180, ISO 8256, ASTM D 256, ASTM D 6110

Automatic notch milling machine

The notch milling machine is used to notch plastic specimens in accordance with the a

bove listed standards

75-840-070 Notch milling machine
Studies have shown that the direct positioning of the notch and its dimensions have an influence on the energy measured. Therefore, correct notching is of high importance. The Coesfeld milling machine has been developed to cut out high performance notches from any type of plastic material. The combination of solid construction and safe and easy handling make the Coesfeld machine the ideal tool for making notched specimens. Description operation mode: Using a milling head, a Vshaped notch is milled into one side of the specimen. The most important characteristics are the radius and the residual specimen width in the notch root.
Notch shape A: r=0.25 mm Universal clamping device

A pack of Specimens are clamped in an universal clamping device and notched in one pass.

Performance features: ? Progressively adjustable cutting speed and feed rate ? Operator-frie ndly display allows rapid setting of new parameters ? Manual setting of dimension to bottom of notch by means of fine screw thread adjuster ? Plexiglass safety hood ? Single-to oth polycristalline diamond milling cutter for optimal notch making are available

Other milling cutters are available for different materials and notch radii.

Single-tooth carbide cutter

? ?
Notch shape B: r=1.00 mm

?
V-Notch r=0.25 mm

Connection for external compressed air for specimen cooling Optional: Magnetic valve for automatic activation of the compressed air Optional: Digital measuring device for checking the dimension to the bottom of the notch

.

Notch shape C: r=0.10 mm

Coesfeld GmbH & Co. KG Tronjestra?e 8 * 44319 Dortmund

Telefon: +49 231 912 980 0 Telefax: +49 231 179 885

E-Mail: mail@coesfeld.com Internet: www.coesfeld.com

Technical Data
Description Order number 75-840-070 63 mm 40 – 200 mm/min 80 mm 200 – 1000 R/min max. 8 bar 230 V – 50/60 Hz - 2.5 kVA (110 V upon request) 540 x 440 x 430 mm approx. 45 kg

Automatic notch milling machine
Tool Diameter Cutting speed Advance Feed length Rate of feed Compressed-air supply (cooling) Electrical connection Dimensions (width x depth x height) Weight

Accessories:
Description Universal clamping device max. clamping length 50 mm, for specimens according to: ISO 179 type 1 and ISO 180, ISO 8256 type 1, ASTM D 256 and ASTM D 6110
Changer magazine for manufacture of double notches Changer magazine for 12 specimens - according to ISO 179 type 1, ISO 180 and ISO 8256 type 1 Specimen dimensions: length 80 mm, width 10 mm, thickness 4 mm

Order number 75-840-144

75-840-146

Single-tooth carbide cutter Single-tooth carbide cutter Single-tooth carbide cutter

45 degree, r = 0.25 mm +/- 0.05 mm (notch type A) 45 degree, r = 1.00 mm +/- 0.05 mm (notch type B) 45 degree, r = 0.10 mm +/- 0.02 mm (notch type C)

75-840-210 LM 75-840-212 LM 75-840-211 LM 75-840-213 LM 75-840-215 LM 75-840-214 LM 205-009-001

Single-tooth diamond cutter 45 degree, r = 0.25 mm +/- 0.05 mm (notch type A) Single-tooth diamond cutter 45 degree, r = 1.00 mm +/- 0.05 mm (notch type B) Single-tooth diamond cutter 45 degree, r = 0.10 mm +/- 0.02 mm (notch type C) Digital Measuring device for measuring the residual specimen width incl. digital dial gauge, measuring range: 0 - 12 mm, indicating accuracy 0,001 mm Magnetic valve device for automatic activation of the compressed air during the milling process

75-840-060

Coesfeld GmbH & Co. KG Tronjestra?e 8 * 44319 Dortmund

Telefon: +49 231 912 980 0 Telefax: +49 231 179 885

E-Mail: mail@coesfeld.com Internet: www.coesfeld.com


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