How to judge the quality of ruby nozzle?

How to judge the quality of ruby nozzle?

Ruby nozzle is an important accessory widely used on the winding machine. The following aspects can be considered when purchasing the nozzle:

The finish of the ruby nozzle orifice: its position at the junction of the inner hole and the arc angle needs to be observed with the aid of a magnifying glass. For a high-quality nozzle, the junction of the inner hole and the arc angle is a natural transition, with no intersection mark.

Inner hole finish: The inner hole needs to be precisely ground to ensure smoothness.

Dimension accuracy of inner hole: the precision machined thread nozzle can control its inner hole accuracy within 0.01mm

R shape of the head and tail: The size of the R shape of the head and tail must be just right, because too large or too small R will affect the quality of the product and the bearable tension.

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Ruby nozzle manufacturers talk about the key points of ruby cutting:

Ruby nozzle manufacturers talk about the key points of ruby cutting

Cutters is essential in gems resplendent light one step, precious stones cut is people after long-term exploration and practice, contains the wisdom and efforts of the countless artisans and summarize a set of experience, the crystallization of a beautiful gem contain the nature and the crystallization of human wisdom, is the gem of the value of the real.

Ruby cutting is a representative of colored stones. Good cutting can maximize the beauty of the gem, best show the characteristics of the gem, make the gem more attractive, so as to enhance the value of the gem. Here is a brief introduction to the key points of ruby cutting.

First of all, ruby is a kind of multicolor gem, so when cutting it, the table should be perpendicular to the direction of the long axis, so as to avoid the phenomenon of impure color of the gem. Secondly, rubies, like many other gems, are very particular about the cutting proportion. When cutting gems, the size and refractive index of gems should be taken into account. According to a certain proportion, the fire color of gems should be displayed to the maximum extent, and the loss of gems in the process of sweeping and grinding. Finally, for rubies with starlight effect, they can only be cut into cambered shape. In addition to the general requirements, the starlight of the gem should be collected in the center of the gem, and the star line should be clear and sharp.