Methods for making fetal hair brushes

The manufacturing process of fetal hair brushes is mainly summarized as follows:

Water basin: also known as water work. The penman smoothes out the lanugo hair soaked in the water basin, removes the miscellaneous hair, fluff, and edgeless hair that are not suitable for pens while wet, and organizes it into a semi-finished pen tip. It is one of the most complex and critical processes in the fetal hair brush process. There is also a process of degreasing the hair in the basin process. First, use lime water to degrease the roots of the lanugo hair, and use the "sun and night dew method" for a longer period of time to degrease the tip of the lanugo hair, so as not to cause drastic changes to damage the tip. This is also the uniqueness of the lanugo hair pen craftsmanship.

Assembling the set: It includes two parts. One is to install the pen tip, dig a hole in the selected pen tube, and install the tied pen tip into it; the other is to prepare the pen cap for the assembled pen. The technical difficulty of the sleever is "turning", that is, digging holes in the pen barrel. The size and depth of the hole are just right for the pen tip. Quality requirements include a flat head and a neat navel. Hu brush has the reputation of "not losing its hair", and this process is the key.

Brush selection: also called brush repair. It is a key technical link in the fetal brush craft. Pen selection is the process of final inspection and trimming of the semi-finished fetal hair pen formed in the previous process. It is necessary to remove the fetal hair that affects the internal and external quality, and reshape the pen tip to finally achieve the quality requirements of being sharp, even, round and healthy. The pen selection process generally involves surface injection, picking, selection and wiping. Selecting and wiping is a process of twisting and shaping the pen tip. In the jargon, it is called "selecting three points and wiping seven points." The "light" and "white" required for the brush tip are reflected by the technique of hand wiping. Therefore, apprentices who choose pen work must first practice hard on basic skills, and only after their gestures are accurate can they practice actual operations. The "roundness" and "collapse" of the pen head are all modified according to the hand of the pen selector.

Engraving: Engraving various fonts on the pen tube, such as the baby's name and date of birth, etc. Carving is also a skill-rich job. The knife techniques for various strokes are called dot, stroke (horizontal), straight (vertical), offset, nip, kick (pick), and hook. The stroke order when carving is not based on the order of writing strokes. Instead, the same strokes of each character are carved at once, and then another stroke is carved. This requires the engraver to be proficient in the structure of the strokes of the font and the arrangement of the characters. It is required that the engraved fonts be arranged evenly and vertically like "an incense stick", that is, the overall verticality of the characters cannot exceed the deviation of an incense stick. The font engraving must be smooth, smooth, and smooth.