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- [ Automatic Notchvis ]
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 Automatic Notchvis

automatic_notchvis.jpg (9748 octets)The Automatic Notchvis is designed of laboratories which need to perform a large number of impact tests, and spend a lot of time and human resources preparing highly accurate and reproducible specimens.

In order to give laboratories the chance to save time and money, CEAST has developed this instrument, which can notch up to 56 specimens 3.17mm thick in one cycle with the highest accuracy.

Automation

The Automatic Notchvis is  a microprocessor controlled unit, designed to notch, rapidly and automatically, specimens used for resilience impact tests.

The notching system is made up of interchangeable constant profile knives assembled on a mechanical precision slide separate from the pneumatic drive. This guarantees a considerably smooth cutting path for the knife.

A soft-touch keypad allows the user to input all the necessary parameters, such as remaining depth (notch depth) and single pass depth; the machine will then automatically complete the desired work cycle.

A digital display indicates all the working parameters, such as: set remaining depth, actual remaining depth, single pass depth and cutting speed.

Cutting speed

Adjustable via air-flow regulator, the Automatic Notchvis can easily cover the knife speed range required by international standards (ie. between 12 and 20 m/min).

Single Pass Depth (Specimen loader feed)

Input via keyboard, this is adjustable from 0.01 to 0.1mm ±0.01

Remaining Depth

Input via keypad this is selectable according to international standards. Ancillary equipment code 6819.010 to check the remaining depth of notched specimens is also available.
Note: Both single pass depth and remaining depth are derived from the movement of specimen loader feed.

Cycle time

Cycle time depends on the cutting speed, single pass depth and remaining depth set prior to the test. For example, with a cutting speed of 18m/min., a single pass depth of 0.02mm, and remaining depth of 10.16mm the cycle time is approximately 12 minutes.

Versability

The Automatic Notchvis is designed to more than satisfy the requirements of ISO 2818. The cutting speed and the feed rate of the specimen loader are both adjustable in order to cope with the variables that affect the accuracy of specimen notching, such as the polymer family, the elasticity and recovery characteristics of the material.

Safety

The Automatic Notchvis has been developed in accordance with full Safety requirements. The Automatic Notchvis provides enclosure of all moving parts.
It is not possible to start a cutting cycle if the door is open. If the operator opens the door during the cutting cycle the Automatic Notchvis will automatically stop.
Moreover an Emergency push button is provided.

Re-sharpenable notching knives with constant profile made of super cutting steel
6819.114 Rectangular thickness 0.8 ± 0.1mm BSI 2782-351 A - Size 3 _ Type A and other equivalent
6819.115 Rectangular thickness 2 ± 0.1mm DIN 53453, BSI 2782-351A - Size 1, 2 - Type A, UNE 53021
UNI 6062 - Fig. 3 and other equivalent
6819.113 45° + 15'
r= 0.254 ± 0.025mm		 ASTN D 256, ISO 180 - Fig.3 - Type A, DIN 53753 - Fig. 5, BSI 2782-351A - Type 3,  BSI 2782-350 - Type A, JIS k 6871, UNI 6323 and other equivalent
6819.119 45° + 15'
r= 0.5 ± 0.05mm		 ISO 180 - Fig. 3 - Type B, ISO 179 - FIG. 4 - Type B, BSI 2782-351A - Type C, BSI 2782-350 - Type B and other equivalent
6819.116 90° + 1°
r= 0.5 ± 0.05mm		 DIN 53448 - Fig. 3 and other equivalent
6819.113 45° + 15'
r= 0.1 ± 0.02mm		 r=0.1 ± 0.02mm
ISO 179 - Fig. 4 - Type C, DIN 53753 - Fig. 5 - Tab. 3 and other equivalent

Specimen Dimensions

  • Minimum width: 3mm
  • Maximum width: 15mm
  • Minimum thickness: 3mm
  • Maximum length: 127mm

Technical Data

  • Cutting speed: Adjustable from 8 to 40m/min.
  • Single pass depth: Adjustable from 0.01 to 0.1mm
  • Remaining depth: Selectable
  • Cycle time: Variable
  • Physical dimensions (WxDxH): 805 x 730 x 370 mm
  • Weight: 90 kg
  • Supply: 230V - 50/60Hz Singlephase (110V on request)
  • Power (kVA): 0.5
  • Paint: fushia Ral 4006 - gray Ral 7035
  • Air supply (MPa): 0.6