LASER GONIOMETER

Measuring range of sharpening angles of up to 90 degrees (overall angle). This device can be used to easily measure the sharpening angle of a knife, as well as scissors. The sharpening can be symmetrical or asymmetrical. Similar devices are produced by the English company CATRA. Their prices are totally ridiculous!!!

CATRA portable models

HOBBY model

But why pay so much?! We have created a very simple and considerably more affordable device, which uses any standard 2xAAA laser pointer as a beam. Until now, we have been selling incredibly simple, but sufficiently informative devices. We could construct more complicated design elements, but we do not see it necessary. At least for now, anyway, as it would not affect the precision, maybe only the comfort of use. This device has been constructed for knives with a blade width of up to 50 mm. On demand, we can manufacture a device for any reasonable blade width, but only for a limited number of customers.

All goniometers are currently manufactured as a universal transparent option, which matches all colours of the sharpeners. Hence being always available. Using a goniometer is very easy, you will get the idea from the pictures in the links above. To measure the angle for sharpening scissors, you need to place one half of the scissors to the edge of the centre angle and move the stop to the angle. Read the data on the laser scale and add 45 degrees. The value of the centre angle is 90 degrees. Although the device seems very simple, it is highly sensitive (especially after refocussing) and is able to measure not only the sharpening angle of a Stanley knife but also the angle of its secondary bevel! Despite the value of this skew being only 0.12 mm!

The photo shows an example of measuring the angle of an OLFA carton cutter described above. Unfortunately, the photo does not exactly match the original, because photographing a laser beam is fairly difficult - the flash distorts it. In reality, it is much clearer and more informative. However, even here you can see not only the basic sharpening angle (bevel towards the cutting edge) but also the secondary bevel, even though it is only 0.12 mm wide (measured using a measuring microscope).

 

 

Comments

William Stephenson
2019/06/01
What is the cost with shipping and method of payment?
admin
2019/06/03
Thank you for your comment. Shipping cost depends on the country in which to deliver the goods. Send us the country of destination and we will send you the price of delivery if your country is not in the list of countries to which we deliver goods. Thank.

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